ZyXEL Communications P-2812HNU-51c manuale d’uso

www .zyxel.com www .zyxel.com P-2812HNU-51c Dual W AN VDSL2 IAD with 802.1 1n Wireless Copyright © 2010 ZyXEL Communications Corporation Firmware V ersion 1.02 Edition 1, 06/2010 Default Login Details IP Address 192.168.1.1 User Name Admin account: admin User account: user Pa ss wo rd Admin account: 1234 User account: user[...]

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About This User's Guide P-2812HNU-51c User’s Guide 3 About This User's Guide Intended Audience This manual is intended for people who w ant to configure the P-2812HNU-51c using the web configurat or . Related Document ation •Q u i c k S t a r t G u i d e The Quick Start Guide is designed to help you get up an d running ri ght away . I[...]

About This User's Guide P-2812HNU-51c User’s Guide 4 • Download Library Search for the latest produc t updates an d documentation from this link. Re ad the T ech Doc Overview to find out how to efficiently use the User Guide, Quick Start Guide and Command Line Int erface R eference Guide in ord er to better understand how to use your produ[...]

Document Conventions P-2812HNU-51c User’s Guide 5 Document Conventions W arnings and Notes These are how warnings and notes are shown in this User’ s Guide. W arnings tell you about things that could harm you or your device. Note: Notes tell you other import ant informat ion (for e xample, other things you may need to configure or help ful tips[...]

Document Conventions P-2812HNU-51c User’s Guide 6 Icons Used in Figures Figures in this User’ s Guide ma y use the following generic icons. The P-2812HNU- 51c icon is not an exact representat ion of your devi ce. P-2812HNU-51c Computer N otebook computer Server DSLAM Firewa ll Te l e p h o n e Swi tch Ro u te r[...]

Safety Warnings P-2812HNU-51c User’s Guide 7 Safety Warnings • Do NO T use this product near water , for exam ple, in a wet basement or near a swimming pool. • Do NO T expose your device to dampness, dust or corrosive liquids. • Do NO T store things on the device. • Do NOT install, use, or service this device during a thunderstorm. There [...]

Safety Warnings P-2812HNU-51c User’s Guide 8[...]

Contents Overview P-2812HNU-51c User’s Guide 9 Contents Overview User ’ s Guide ................................................... ..................................................... .......... ......... 21 Introducing the P-2812HNU-51c ........... ................ ................ ................ ................. ................ ... 23 T[...]

Contents Overview P-2812HNU-51c User’s Guide 10[...]

Table of Contents P-2812HNU-51c User’s Guide 11 Table of Contents About This User's Guide ..................................................... ................................................... .. 3 Document Conventions.................................................................. ......................................... .5 Safety War[...]

Table of Contents P-2812HNU-51c User’s Guide 12 2.4 How to Allow Out-of-band Re mote Management from the W A N .. ................ ............. .......... 60 2.4.1 Configuring Multiple W A N Connections .............. ... .... ... ... ... ... ............. .... ... ... ... ... .... ... 60 2.4.2 Configuring Remo te Management ... ................[...]

Table of Contents P-2812HNU-51c User’s Guide 13 Chapter 6 LAN Setup................................................................... ................................................... .. ...... 137 6.1 Overview ... ... .... ... ... ... ............. .... ... ... ... ... ............. .... ... ... ... .... ... ............. ... ... ... .... ...[...]

Table of Contents P-2812HNU-51c User’s Guide 14 8.4 The T rigger Port Screen .. ... ... .... ... ... ............. ... ... .... ... ... ... .... ... ... ... ............. ... .... ... ... ... ... .... .1 8 7 8.4.1 Trigger Port Configuration ........... ............. ................. ................ ............. ................ . 190 8.5 The D[...]

Table of Contents P-2812HNU-51c User’s Guide 15 1 1.6.2 Mac OS 10.5 and 10.6 ............ .......... ... ............. ................ ............. ................ ........ 248 1 1.7 P-2812HNU-51c Print Server Compatible USB Print ers ................ ................. ................ . 2 52 Chapter 12 IPSec VPN ..............................[...]

Table of Contents P-2812HNU-51c User’s Guide 16 14.4 The T rusted CA Sc reen ........... ................ ............. ................ ............. ................ ............. . 2 89 14.4.1 View T rusted CA Certificate ........... ................ ............. ................ ................ ........... 291 14.4.2 Import T rusted CA Cert[...]

Table of Contents P-2812HNU-51c User’s Guide 17 19.7 The QoS Monitor Screen ........... ................ ... ............. ................ ............. ................ ........ 32 3 19.8 T echnical Referenc e ......... ............. ................ ............. ................ ............. ................ ...... .. 324 Chapter 20 Dynamic [...]

Table of Contents P-2812HNU-51c User’s Guide 18 Chapter 24 Interface Group ............................................................................... ................................. ..... 353 24.1 Overview ........... ................ ............. ................ ................ ............. ................ ............ ......... 353 [...]

Table of Contents P-2812HNU-51c User’s Guide 19 29.4 The 802.1ag Screen ................ ................ ................ ................ ............. ................ .......... .3 8 1 29.5 The OAM Ping T est Screen ........... ............. ................ ................ ................ ............. ........ 383 Chapter 30 T roubleshoot[...]

Table of Contents P-2812HNU-51c User’s Guide 20[...]

21 P ART I User ’ s Guide[...]

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P-2812HNU-51c User’s Guide 23 C HAPTER 1 Introducing the P-2812HNU-51c 1.1 Overview The P-2812HNU-51c is a VDSL2 Integr ated Access Device (IAD) that combines a VDSL2+ router with V oice ov er IP (V oI P) communication capabilities. Y ou may access the Internet in one of these ways: • Y ou can have super-fast, secure Intern et access over analo[...]

Chapter 1 Introducing the P-281 2HNU- 51c P-2812HNU-51c User’s Guide 24 1.2 W ays to Manage the P-2812HNU-51c Use any of the following method s to manage t he P-2812HNU-51c. • W eb Configurator . This is recommended for everyda y management of the P- 2812HNU-51c using a (supported) web browser . • SNMP . The device can be monitored by an SNMP[...]

Chapter 1 Introducing the P-2812HNU-51c P-2812HNU-51c User’s Guide 25 network is block ed by default unless it is initiated from your network. This means that probes from the outs ide to your network are not allowed, but y ou can safely browse the Internet and download files. 1.4.1.1 DSL Y our P-2812HNU-51c provides shared Intern et access b y co[...]

Chapter 1 Introducing the P-281 2HNU- 51c P-2812HNU-51c User’s Guide 26 router . This wa y , you can access the Internet via an Ethernet connection and still use the QoS, Firew all and V oIP functions on the P-2812HNU-51c. Figure 2 Internet Access Application: Etherne t W AN 1.4.1.3 3G W AN The USB port allows you to wirelessly co nnect t o a 3G [...]

Chapter 1 Introducing the P-2812HNU-51c P-2812HNU-51c User’s Guide 27 1.4.2 V oIP Internet Calls Y ou can register up to two SIP (Session Initiation Protocol) accounts and use the P-2812HNU-51c to make and receiv e V oIP telephone calls: Figure 4 P-2812HNU-51c’ s V oIP Application • Calls via a V oIP service provider ( A ) - The P-2812HNU- 51[...]

Chapter 1 Introducing the P-281 2HNU- 51c P-2812HNU-51c User’s Guide 28 1.4.4 Wireless Connection By default, the wireless LAN (WLAN) is enabled on the P-2812HNU-51c. IEEE 802.11a/b/g/n compliant clients c an wirelessly connect to the P-2812HNU-51c to access network resources. Y ou can set up a wireless network with WPS (WiFi Protected Setup) or [...]

Chapter 1 Introducing the P-2812HNU-51c P-2812HNU-51c User’s Guide 29 Note: Y ou must activate WPS in the P-2812HNU-51c an d in another wireless device within two minutes of each other . See Section 7 .1 1.4 on page 175 for more information. 1.5 The RESET Button If you forget your password or cannot acces s the web configurator , you will need to[...]

Chapter 1 Introducing the P-281 2HNU- 51c P-2812HNU-51c User’s Guide 30 1.6 LEDs (Light s) The following gr aphic displays the l abels of the LEDs. Figure 7 LEDs on the Device[...]

Chapter 1 Introducing the P-2812HNU-51c P-2812HNU-51c User’s Guide 31 None of the LEDs are on i f the P-2812HNU-51c is not receivi ng power . T able 1 LED Descriptions LED COLO R ST A TUS DESCRIPTION PWR/SYS Green On The P-2812HNU-51c is receiving power and ready for use. Blinking The P-2812HNU-51c is self-testing. Red On The P-2812HNU-51c detect[...]

Chapter 1 Introducing the P-281 2HNU- 51c P-2812HNU-51c User’s Guide 32 Refer to the Quick Start Guid e for in formation on hardware connections. WLAN/ WPS Green On The wireless network is activated and is oper ating in IEEE 802.11b/g mode. Blinking The P-2812HNU-51c is communicating with other wireless clients. Orange Blinking The P-2812HNU-51c [...]

P-2812HNU-51c User’s Guide 33 C HAPTER 2 Tutorials 2.1 Overview This chapter describes: • How to Set up a Wireless Network on page 33 . • How to Use A TM QoS with Multiple PV Cs and Interface Groups on page 43 . • How to Allow Out -of-band Remote Management from the W AN on page 60 . Note: The tutorials featured in this chapter require a ba[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 34 2.2.2 Configuring the AP Fol low the steps below to configure the wireless set tings on your AP . 1 Open the Network > Wireless LAN screen in the AP’ s web configurator . Figure 8 AP: Wireless LAN 2 Make sure the Active Wireless LAN check box is selected. 3 Enter “SSID_Example3” as the SS[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 35 5 Click the Advanced Se tup tab and sele c t 802.1 1b/g/n Mixed in the 802.11 Mode field. Clic k Apply . Figure 9 AP: Wireless LAN > Advanced Setup 6 Open the Status screen.V erify your wireless an d wireless security settings under Device Information and check if the WLAN connection is up unde[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 36 7 Click the WLAN Station List hyperlink in the AP’ s Status screen. Y o u can see if any wireless client has connec ted to the AP . Figure 1 1 AP: S t atus: WLAN S t ation List 2.2.3 Configuring the Wireless Client This section describes how to connect the wireless c lient to a network. 2.2.3.1 [...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 37 This example illustr ates how to manually connect y our wireless client to an acces s point (AP) which is configured for WPA -PSK security and connected to the Internet. Before you connect to the acce ss point, you must know its Service Set IDentity (S SID) and WP A -PSK pre-shared k ey . In this [...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 38 3 When you try to connect to an A P wi th se cu rity configur ed, a window will pop up prompting you to specif y the security sett ings. Enter the pre-shared k ey and leave the encryption t ype at the default setting. Use the Next button to move on to the next scre en. Y ou can use the Back button[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 39 5 The ZyXEL utility returns to th e Link Info screen while it connects to the wi reless network using your settings. When the wireless link is established, the Zy XEL utility icon in the system tra y turns green and the Link Info screen displays details of th e ac tive c o nn ection. Ch eck the ne[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 40 1 Open the ZyXEL ut ility and click the Profile tab to open the screen shown next. Click Add to configure a new profile. Figure 16 ZyXEL Utility: Profile 2 The Add New Profile screen appears. The wireless client automatically searches for av ailable wirel ess networks, which are displa yed in the [...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 41 4 Choose the same encryption method as th e AP to which you want to connect (In this example, WP A-PSK). Figure 18 ZyXEL Utility: Pro file Security 5 This screen vari es depending on the en cryption method yo u selected in the previous screen. Enter the pre-shared key and leave th e encryption typ[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 42 7 V erify the profile settings in the read-only screen. Click Save to save and go to the next screen. Figure 21 Profile: Confirm Save 8 Click Activate Now to use the new profi le immediately . Otherwise, click the Activate Later button. If you clicked Activate Later , you can select the profile f [...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 43 2.3 How to Use A TM QoS with Multiple P VCs and Interface Group s Note: V oice traffic will not be af fected by the user-defin ed QoS settings on the P- 2812HNU-51c. It always get s the highest priority . The P-2812HNU-51c allows you t o have more than one PVC using the A TM layer -2 interface. Y [...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 44 2 Create interface groups in the Advanced Setup > Interface Group screen to map logical LAN groups to the PVCs you created. See Figure 2.3.2 on page 53 . 3 Configure IP addresses for devices in each interface group using the Network > LAN screen. See Figure 2.3.3 on page 57 . 2.3.1 Configuri[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 45 3 Enter the VPI and VCI v a l ues ( 0 and 33 in this exam p le) for PVC 1. Select CBR in the Service Category field and set the Peak Cell Rate as 943 (divide the bandwidth 400000 b ps by 424). Click Apply/Save to sav e the changes an d g o ba ck to the Layer 2 Interface screen. 4 Click Add to conf[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 46 6 Click Apply/ Save to save the changes an d g o ba ck to the Layer 2 Interface screen.[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 47 2.3.1.1 Internet Connection Settings for P VC 1 1 Click Networ k > WAN > Internet Connection to configure WAN connection settings for PVC 1. Click Add . 2 Select PVC 1 ( atm1/0_0_33 ) as the layer-2 interface. Cl ick Next . 3 Select PPP over Ethernet and click Next .[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 48 4 Enter the us er name ( user@isp.net for example), password ( qwert12345 for example) and service name ( isp.net for example) for the PPP connection. Click Next . 5 Remo ve the existing interfaces in the Selected Default Gateway Interfaces list. Select and move a W AN interface ( ppp1 in this exa[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 49 6 Select the first option. R emov e the existing interfaces in the Selected DNS Server Interfaces list. Select and move a W AN interface ( ppp1 in t hi s e x am p le ) to the Selected DNS Server Interfaces list to use that interface as t he system DNS server . Click Next . 7 The summary screen dis[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 50 2.3.1.2 Internet Connection Settings for P VC 2 1 Click Add in the WAN > Internet Connection screen to confi gure WAN connection settings for PVC 2. 2 Select PVC 2 ( atm2/0_0_34 ) as the layer-2 interface. Cl ick Next . 3 Select IP over Ethernet and click Next .[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 51 4 Select Obtain an IP address automatically and click Next . 5 Select Enable NAT and Full Cone NAT , then clic k Next .[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 52 6 Select and move the WAN interface ( at m2 in this examp le) to the Selected Default Gateway Interfaces list to use that interface as the defaul t gateway . Click Next . 7 Select the first option. Select and move the W AN interface ( atm2 in this example) to the Selected DNS Server Interfaces lis[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 53 8 The summary screen displays. Click Apply/Save to save y our changes and go back to the Internet Connection screen. 9 The Internet Connection screen should look like the following. 2.3.2 Setting Interface Group s This part shows examples of creating multiple networks groups with the W AN serv ic [...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 54 Fol low the steps below to map tr affic from LAN 1 to PVC 1 and tr affic from LAN 2 and LAN 3 to PVC 2. Note: Before configuring interface groups, make su re you are connected to LAN 4 which will not be in a group other than th e default group. Otherwise, you need to use the IP address of the new [...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 55 2 Enter GR1 as the Group Name . In this group, we will associate ppp1 (P V C 1 ) as the WAN i nterface with LAN1 as the LAN interface. Select pppoe_0_0_33/ppp1 from the WAN Interface list. Select LAN1 from the Available LAN Interfaces list and click <- to add it to the Grouped LAN Interfaces . [...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 56 4 Enter GR2 as the Group Name . In this group, we will associ ate atm2 (PVC 2) as the WAN i nterface with LAN2 and LAN3 as the LAN interfaces. Select ipoe_0_0_34/atm2 from the WAN Interface list. Select LAN2 and LAN3 from the Available LAN Interfaces lis t and click <- to add them to the Groupe[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 57 5 GR2 has been added successful ly to the in terface group lis t. The screen should look like the foll owing. 2.3.3 Configuring Interface Group IP Fol low the steps below to configure the P-2812HNU-51c’ s LAN IP address and DHCP settings for each group .[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 58 1 Click Network > LAN . Select GR1 from the GroupName drop-down list. The IP Address (192.168.2.1) and IP Subnet Mask (255.255.255.0) are obtained automatically . Select Active DHCP and DHCP Server to have the Z yXEL Device act as the DHCP server for the network. Click Apply to sav e your chang[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 59 2 Select GR2 from the GroupName drop-down list. The IP Address (192 .168.3.1) and IP Subnet Mask (255.255.255.0) are obtained automatically . Select Active DHCP and DHCP Server t o h a v e t h e Zy X E L D e v i c e a c t as the DHCP server for the network. Click Apply when you finish the settings[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 60 automatically . If you can access Internet by usi ng this DSL connection, GR2 i s successfully configured. 2.4 How to Allow Out-of-band Remote Management from the W AN This tutorial shows y ou how to set up a dedicated W AN connection for ISP management of the P-2812HNU-51c and pr event the client[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 61 2 By default, there is a PTM layer -2 interf ace in VLAN MUX mode confi gured already on the P-2812HNU-51c. DSL Connection for Internet Access 1 Go to the WAN > Internet Connection screen. Click Add . 2 Select ptm0/( 0_0_1) as the layer -2 interf ace. Click Next .[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 62 3 Select PPP over Ethernet , enter a descripti ve service name ( Internet in this example), and set the pri ority level to 2 and VLAN ID to 200 . Click Next .[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 63 4 Enter the us er name ( user@isp.net for example), password ( qwert12345 for example) and service name ( isp.net for example) for the PPP connection. Click Next . 5 Remo ve the existing interfaces in the Selected Default Gateway Interfaces list. Select and move a W AN interface ( ppp1.200 in this[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 64 6 Select the first option. R emov e the existing interfaces in the Selected DNS Server Interfaces list. S elect a nd move a WAN interfa c e ( ppp1.200 in this example) to the Selected DNS Server In terfaces list to use that interface as the system DNS server . Click Next . 7 The summary screen dis[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 65 DSL Connection for Remote Management 1 Go to the WAN > Internet Connection screen. Click Add . 2 Select ptm0/( 0_0_1) as the layer -2 interf ace. Click Next .[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 66 3 Select IP over Ethernet , enter a descriptive service name ( RemoteMgmt in this example), and set the pri ority level to 7 and VLAN ID to 300 . Click Next . 4 Select Obtain an IP address automatically and click Next .[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 67 5 Make sure Enable NAT is not se lected a nd click Next . 6 K eep the WAN interface ( ptm0.300 in this exampl e) in the Available Routed WAN Interfaces list to not h ave the cl ients u se this interfac e as th e defaul t gateway . Click Next .[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 68 7 Select the first option. K eep the W AN i nterface ( ptm0.300 in t h i s e xa m p l e ) i n t h e Available WAN Interfaces list t o not have the c lients use th is inte rface a s the system DNS server . Click Next . 8 The summary screen displays. Click Apply/Save to save y our changes and go bac[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 69 9 The Internet Connection screen should look like the following. DSL Connections St atus 1 Go to the Status screen. Check and write down the W AN IP addres ses assigned by yo ur I SP f or th e WAN c on ne c ti o ns i n P TM m o de yo u co nf i gu r ed (2 a nd 3 in th i s example). Y our DSL interf[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 70 3 The WAN Service Ststistics screen displays. Check if any packets are transmitted or received through the two WAN connections you just configured. 2.4.2 Configuring Remote Management Fol low the steps below to not allow access to the P-2812HNU-51c from the LAN. 1 Click Advanced > R emote MGNT [...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 71 2.4.3 T esting the Connection After you finish all the setti ngs in this tu torial, y ou would not be able to access the web configurator from the LAN anymore. Check if you can use the WAN IP address for the RemoteMgmt WAN connection to access the P-2812HNU- 51c. Y o u should also be able to acces[...]

Chapter 2 Tutorials P-2812HNU-51c User’s Guide 72[...]

P-2812HNU-51c User’s Guide 73 C HAPTER 3 Introducing the Web Configurator 3.1 W eb Configurator Overview The web configurator is an HTML -based management interface that allows easy device setup and management via Internet browser . Use Internet Explorer 6.0 and later version s or Mozilla F irefox 3 and la t er ver sions or Sa f a ri 2 . 0 an d l[...]

Chapter 3 Introducing the Web Configur ator P-2812HNU-51c User’s Guide 74 4 A password screen displa ys. Enter the default admin user name admin and default admin password 1234 . Otherwise, en ter the default user nam e user and user password user . Y ou cannot configure the V oIP and TR -069 settings with the user account. The password displays [...]

Chapter 3 Introducing the Web Configurator P-2812HNU-51c User’s Guide 75 As illustr ated above, the main screen is divided into these parts: • A - title bar • B - navigati on panel • C - main window • D - status b a r 3.2.1 Navigation Panel Use the menu items on th e navigation panel to open screens to configure P- 2812HNU-51c features. T[...]

Chapter 3 Introducing the Web Configur ator P-2812HNU-51c User’s Guide 76 T rigger Port Use this screen to change your P-2812HNU-51c’ s port triggering settings. DMZ Host Use this screen to configure a default server which receives packets from ports that are not specified in the Port Forwarding screen. ALG Use this screen to allow SIP sessions[...]

Chapter 3 Introducing the Web Configurator P-2812HNU-51c User’s Guide 77 RIP Use this screen to configure RIP (R outing Information Protocol) settings. QoS General Use this screen to enable QoS and set bandwidth. Queue Setup Use this screen to configure QoS queues. Class Setup Use this screen to define a classifier . Policer Setup Use these scree[...]

Chapter 3 Introducing the Web Configur ator P-2812HNU-51c User’s Guide 78 3.2.2 Main Window The main window displays information and configurati on fields. It is discussed i n the rest of this d ocument. Right after y ou log in, the Status scre en is displayed. See Chapter 4 on page 81 for more inform ation about the Status screen. 3.2.3 S t atus[...]

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P-2812HNU-51c User’s Guide 81 C HAPTER 4 Status Screens 4.1 Overview Use the Status screens to look at the current status of the device, sys te m resources and interfaces (LAN, W AN and WLAN). The Status screen also provides detailed information from DHCP and statistics from tr affic.[...]

Chapter 4 Sta tus Screens P-2812HNU-51c User’s Guide 82 4.2 S t atus Screen Click Status to open this screen. Figure 25 S tatus Screen Each field is desc ribed in the followi ng table. T able 7 Status Screen LABEL DESCRIPTION R efresh Interval Enter how often you want the P-2812HNU-51c to update this screen. Apply Click this to update this screen[...]

Chapter 4 Status Screens P-2812HNU-51c User’s Guide 83 Device Information User Name This field displays the P-2812HNU-51c system name. It is used for identification. Click this to go to the screen where y ou can change it. Model Number This is the model name of your device. MAC Address This is the MAC (Media Access Control) or Ethernet addre ss u[...]

Chapter 4 Sta tus Screens P-2812HNU-51c User’s Guide 84 DHCP This field displays what DHCP se rvices the P-2812HNU-51c is providing to the LAN. Choices are: Server - The P-2 812HNU-51c is a DHCP server in the LAN. It assigns IP addresses to other computers in the LAN. Relay - The P-2812HNU-51c acts as a surrogate DHCP server and relays DHCP reque[...]

Chapter 4 Status Screens P-2812HNU-51c User’s Guide 85 Memory Usage This field displays what percentage of the P-2812HNU-51c’s memory is currently used. Usually , this percentage should not increase much. If memory usage does get close to 100% , the P-2812HNU-51c is probably becoming unstable, and you should restart the device. See Section 28.4[...]

Chapter 4 Sta tus Screens P-2812HNU-51c User’s Guide 86 V oIP Status Click this link to view status of your V oIP usage. See Section 4.3.1 on page 94 . WLAN Station List Click this link to display the MAC address(es) of the wireless stations that are currently associating with the P-2812HNU-51c. See Section 4.3.1 on page 94 . LAN Statistics Click[...]

Chapter 4 Status Screens P-2812HNU-51c User’s Guide 87 4.2.1 3G St atus: NeedPIN Click the NeedPIN link under Interface Status of the Status screen to access this screen. Use this screen to enter the right PIN code for your 3G card. Figure 26 S tatus > Need PIN The following table describes t he labels in this screen. T able 8 S tatus > Nee[...]

Chapter 4 Sta tus Screens P-2812HNU-51c User’s Guide 88 4.2.2 3G St atus: NeedPUK Click the NeedPUK link under Interface Status of the Status screen to access this screen. Use this screen to enter th e PUK code to enable t he 3G SIM card again. Figure 27 S tatus > Need PUK The following table describes t he labels in this screen. T able 9 S ta[...]

Chapter 4 Status Screens P-2812HNU-51c User’s Guide 89 4.2.3 W AN Service St atistics Click Status > WLAN Service Statistics to access this screen. Use this scre en to view the WAN stat istics. Figure 28 S tatus > W AN Service S tatist ics The following table describes t he labels in this screen. T able 10 S tatus > W AN Service S t atis[...]

Chapter 4 Sta tus Screens P-2812HNU-51c User’s Guide 90 4.2.4 Route Info Routi ng is based on the destination a ddress only and the P-2812HNU-51c tak es the shortest path to forward a packet. Click Status > Route Info to access this screen. Use this s creen to view the in ternal routing table on the P-2812HNU-51c. Figure 29 S tatus > Route [...]

Chapter 4 Status Screens P-2812HNU-51c User’s Guide 91 Flag This indicates the route status. U p: The route is up. ! (Reject): The route is block ed and will force a route lookup to fail. G ateway: Th e route uses a gateway to forw ard traffic. H ost: The target of the route is a host. R einstate: The route is reinstated for dynamic routing. D yn[...]

Chapter 4 Sta tus Screens P-2812HNU-51c User’s Guide 92 4.3 V oIP S t atus Click Status > VoIP Statu s to access this screen. Figure 30 V oIP S t atus Each field is desc ribed in the followi ng table. T able 12 VoIP Status LABEL DESCRIPTION SIP Status Account This column displays each SIP account in the P-2812HNU-51c. R egistration This field [...]

Chapter 4 Status Screens P-2812HNU-51c User’s Guide 93 Last Incoming Number This field displays the last number that called t he SIP account. The fie ld is blank if n o number has ev er dialed the SIP account. Last Outgoing Number This field displays the last number the SIP account called. The field is blank if the SIP account has never dialed a [...]

Chapter 4 Sta tus Screens P-2812HNU-51c User’s Guide 94 4.3.1 WLAN S t ation List Click Status > WLAN Station List to access this screen. Use this screen to view the wireless stations that are currently associated to the P-2812HNU-51c . Figure 31 S tatus > WLAN S tation List The following table describes t he labels in this screen. T able 1[...]

Chapter 4 Status Screens P-2812HNU-51c User’s Guide 95 4.3.2 LAN S t atistics Click Status > LAN Statistics to access this screen. Use this screen to view the LAN statistics. Figure 32 S tatus > LAN S tatistics The following table describes t he labels in this screen. T able 14 S tatus > LAN S t atistics LABEL DESCRIPTION Interface This [...]

Chapter 4 Sta tus Screens P-2812HNU-51c User’s Guide 96 4.3.3 Client List DHCP (Dynamic Host Configur ation Protocol , RFC 2131 and RFC 2132) allows individual clients to obtai n T CP/IP configur ation at start -up from a server . Y o u can configure the P-2812HNU-51c as a DHCP server or di sable i t. When configured as a server , the P-2812HNU-5[...]

P-2812HNU-51c User’s Guide 97 C HAPTER 5 WAN Setup 5.1 Overview This chapter discusses the P-2812HNU-51c’ s WAN screens. Use these screens to configure your P- 2812HNU-51c for Internet access. A WAN (Wide Area Network) connection is an outside connection to another network or the Int ern et . It con nects your private networks, such as a LAN (L[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 98 •T h e Internet Connection screen lets you view and configure the WAN settings on the P-2812HNU-51c for Internet access ( Sec tion 5.5 on page 105 ). •T h e 3G Backup screen lets you configur e the 3G WAN connection ( Section 5.6 on page 122 ). T able 16 WAN Setup Overview LAYER-2 INTERFACE IN[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 99 5.2 What Y ou Need to Know Encap sulation Method Encapsulation is used to include data from an upper layer protocol into a lower layer protocol. T o se t up a WAN connection to the Intern et , you need to use the same encapsulation method used by your ISP (Internet Service Provider). If y our ISP [...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 100 • P ort Re stricted Cone • Symmetric The following table summarizes how th ese NA T types handle outgoing and incoming packets. R ead the following sections for more details and examples. The examples in these NA T type sections describe NA T translation betw een internal (priv ate) and exter[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 101 5.3 Before Y ou Begin Y ou need to know your Internet access se ttings such as encapsulation and W AN IP address. Get this inf ormation from your ISP . 5.4 The Layer 2 Interface Screen The P-2812HNU-51c must hav e a layer -2 interface to allow users to use the DSL port or Ethernet WAN port to acc[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 102 The following table describes t he fields in this screen. 5.4.1 Layer 2 Interface Configuration Click the Add button in the Layer 2 Interface screen to open the following screen. Use this screen to create a new la yer-2 interface. At the ti me of writing, you can configure onl y one PTM or Ethern[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 103 51c. Y ou can have multiple A TM layer-2 interfaces using different VPI and/or VCI values. The screen v aries depending on the interface t ype you select. Figure 37 Layer 2 Interfac e Configu ration: D SL A TM Figure 38 Layer 2 Interface Configuration: DSL P TM/Ethernet W AN[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 104 The following table describes t he fields in this screen. T able 19 Layer 2 Interface Configuration LABEL DESCRIPTION AT M P V C Configuration VPI (Virtual P ath Identifier) and VCI (Virtual Channel Identifier) define a virtual circuit. This section is av ailable only when you configure an A TM l[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 105 5.5 The Internet Connection Screen Use this screen to change your P-2812HNU-51c’ s WAN settings. Click Network > WAN > Internet Connection . The summary table shows you the configured WAN servi ces (connections) on the P-2812HNU-51c. P eak Cell R ate Divide the DSL line rate (bps) by 424 [...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 106 T o use NA T , firewall or IGMP proxy in the P-2812HNU-51c, y ou need to configure a WAN connection with PPP oE or IP oE. Note: When a layer-2 interface is in VL AN MUX Mode or MSC Mo de , you can configure up to eigh t W AN services for each interface. Figure 39 Internet Con nection The followin[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 107 5.5.1 Internet Connection Configuration Click the Edit or Add button in the WAN Se rvice screen to configure a WAN connection. Rate This shows the maximum data rate (in Kbps) allowed for traffic sent through this connection. This displays N/A when there is no limit on transmission r ate. Vlan8021[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 108 5.5.1.1 W AN Interface This screen displays when y ou add a new W AN connection. Figure 40 W AN Configuration: WAN Interface The following table describes t he labels in this screen. T able 21 W AN Configuration: W AN Interface LABEL DESCRIPTION Select a layer 2 interface for this service Select [...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 109 5.5.1.2 Service T ype If you set the DSL link ty pe to PPPoA or IPoA for the A TM interface and configure a W AN connection using the A TM interfac e, you only need to configure the Enter Service Description field in this screen. Figure 41 WAN Configuration: Ser vice T ype Figure 42 WAN Configura[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 11 0 5.5.1.3 W AN IP Address and DNS Server The screen differs by the e ncapsulation yo u selected in th e pr e vious screen. See Section 5.7 on page 125 for more infor mation . Rate Limit Enter the maximum transmission r ate in Kbps for traffic sent through the WA N connection. Otherwi se, leav e th[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 111 PPPoE or PPPoA This screen displays when y ou select PPP over Ethernet (PPPoE) in the WAN Service Configuration screen or set the DSL link type to PPPoA for the A TM interface and configure a WAN connection usi ng the A TM interface. Figure 43 WAN Configuration: PPPoE The following table describe[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 11 2 PPPoE Service Name T ype the name of your PPPoE service here. This field is not av ailable for a PPP oA connection. Authentication Method The P-2812HNU-51c supports PAP (P assword Authentication Pro tocol) and CHAP (Challenge Handshake A uthentication Protocol). CHAP is more secure than PAP; how[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 11 3 Bridge PPPoE Frames Between WA N a n d L o c a l Po r t s Select this option to forward PPPoE pack ets from the W AN port to the LAN ports and from the LAN ports to the WAN port. In addition to the P-2812HNU-51c's built-in PPP oE client, you can select this to allow up to ten hosts on the L[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 11 4 IPoE This screen displays when y ou select IP over Ethernet in the WAN Service Configuration screen. Figure 44 WAN Configuration: I PoE[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 11 5 The following table describes t he labels in this screen. T able 24 WAN Configuration: IPoE LABEL DESCRIPTION Obtain an I P address automatically A static IP address is a fixed IP that your ISP giv es you. A dynamic IP address is not fi xed; the ISP assigns you a different one each time you conn[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 11 6 IPoA This screen displays only when you set the DSL link ty pe to IPoA for the A T M interface and configure a WAN connection usi ng the A TM interface. Figure 45 WAN Configuration: I PoA The following table describes t he labels in this screen. Obtain an I Pv6 address automatically Select this [...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 11 7 5.5.1.4 NA T , IGMP Multi cast and Firewall Activation The screen is av ailable onl y when you select IP over Ethernet in the WAN Service Configuration screen or set the DSL link type to IPoA for the A TM interface and configure a WAN connection usi ng the A TM interface. Figure 46 WAN Configura[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 11 8 5.5.1.5 Default Gateway The screen is not av ailable when you select Bridging in the WAN Service Configuration screen. Figure 47 WAN Configuration: Default Gateway: PPPoE, PPPoA, IPoE or IPoA The following table describes t he labels in this screen. T able 27 WAN Configuration: Default Gateway: [...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 11 9 5.5.1.6 DNS Server The screen is not av ailable when you select Bridging in the WAN Service Configuration screen. Note: If you configure only one IPoA or IPoE connection using the A TM interface on the P-2812HNU-51c, you must enter the static DNS server address. Figure 48 WAN Configuration: DNS [...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 120 The following table describes t he labels in this screen. T able 28 WAN Configuration: DNS Server: PPPoE, PPPoA, IPoE or IPoA LABEL DESCRIPTION Select DNS Server Interface from av ailable WA N in t e r f a c e s Select this to hav e the P-2812HN U-51c get the DNS serv er addresses from the ISP au[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 121 5.5.1.7 Configuration Summary This read-only screen shows the current W AN connection settings. Figure 49 WAN Configuration: Con figuration Summary The following table describes t he labels in this screen. T able 29 WAN Configuration: Configuration Summary LABEL DESCRIPTION P ort / VPI / VCI This[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 122 5.6 The 3G Backup Screen Use this screen to configure your 3G settings. Click Network > WAN > 3G Backup . At the time of writing, the 3G cards you can use in the P-2812HNU-51c are Huawei E220, Huawei E169U , and Qisda H21. Note: The actual data rate you obtain varie s depending the 3G card [...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 123 If the signal strength of a 3G network is too low , the 3G card may switch t o an av ailable 2.5G or 2.75G network. R efer to Section 5.7 on page 125 for a comparison between 2G, 2.5G, 2.75G and 3G wireless technologies. Figure 50 3G Backup The following table describes t he labels in this screen[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 124 3G Status This field displays: • NoDevice when no 3G card is inserted, • Disabled when the 3G WAN is n ot activated, • Up when the 3G WAN connection is up, • Down when the 3G connection is down, • NoResponse when there is no response from the inserted 3G card, • NeedPIN if the PIN cod[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 125 5.7 T echnical Reference The following section contains additional technical information about the P- 2812HNU-51c features described in t his chapter . Encap sulation Be sure to use the encapsulation method required b y your ISP . The P-2812HNU- 51c can work in bridge mode or rout ing mode. When [...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 126 standard (RFC 2516) specifying how a personal computer ( PC) interacts with a broadband modem (DSL, cable, wi reless, etc.) connection. For the service provider , PPPoE offers an access and authentica ti on method that works with existing ac cess control systems (for example RADIUS). One of the b[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 127 LLC-based Multiple xing In this case one VC carrie s multip le prot ocols with protocol identifying information being contained in each packet head er . Despite the extra bandwidth and processing ov erhead, this method may be adv antageous if it is not p ractical to have a separ ate VC for each c[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 128 A TM T raffic Classes These are the basic A TM traffic classes defined by the A TM Forum T raffic Management 4.0 Specificati on. Constant Bit R ate (CBR) Constant Bit R ate (CBR) provid es fixed bandwidth that is always a vail able even if no data is being sent. CBR traffic i s generally ti me-se[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 129 Full Cone NA T In full cone NA T , the NA T router maps al l outgoing packets from an inter nal IP address and port to a single IP address an d port on the external network. The NA T router also maps pack ets coming to that external IP address and port to the internal IP address and port. In the [...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 130 se nd t he m t o th e s e rve r at IP a dd re s s 1 , port A . Packets have not been sent from 1 , A to 3 or 5 , so 3 and 5 cannot send pa ckets to 1 , A . Figure 53 Restricted Cone NA T Example Port Restricted Cone NA T P ort restricted cone NA T maps all outgoing packet s from an internal IP ad[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 131 P ackets have not been sent from 1 , A to 4 , E or 5 , so they cannot send packets to 1 , A . Figure 54 Port Re stricted Cone NA T Example Symmetric NA T The full, restricted and port restrict ed cone NA T types use the same mapping for an outgoing packet’ s source address rega rdless of the de[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 132 the example, only 3, C is allowed to send packets to 2, B and onl y 4, D is allowed to send packets to 2, M . Figure 55 Symmetric NA T Introduction to VLANs A Virtual Local Area Network (VLAN) allows a physical network to be partit ioned into multiple logical networks. Devices on a logical networ[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 133 contains two bytes of TPID (T ag Protocol Identif ie r), residing wi th in the type/ length field of the Ethernet fr ame) and tw o bytes of TCI (T ag Control Information), starts after the source address field of the Ethernet fr ame). The CFI (Canonical F ormat In dicator) is a single-bit flag, a[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 134 204.217.0.2. The DNS server is extremel y important because without it, you must know the IP addres s of a com puter be fore you can access it. The P-2812HNU-51c can get the DNS server addres ses in the following ways . 1 The ISP tells you the DNS serv er addresses, usually in the form o f an inf[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 135 3G Comparison T able See the following table for a comparison between 2G, 2.5G, 2. 75G and 3G wireless technologies. T able 31 2G, 2.5G, 2.75G, 3G and 3.5G Wireless Technolog ies NAME T YPE MOBILE PHONE AND DATA ST ANDARDS DAT A SPEED GSM-BASED CDMA-BASED 2G Circuit - switc hed GSM (Global System[...]

Chapter 5 WAN Setup P-2812HNU-51c User’s Guide 136[...]

P-2812HNU-51c User’s Guide 137 C HAPTER 6 LAN Setup 6.1 Overview A Local Area Network (LAN) is a shared communicat ion system to which many computers are attached. A LAN is usually lo cated in one immediate area such as a building or floor of a building. The LAN screens can help you configure a LAN DHCP server and manage IP addresses. • See Sec[...]

Chapter 6 LAN Setup P-2812HNU-51c User’s Guide 138 6.2 What Y ou Need T o Know IP Address Similar to the way houses on a street share a common street name, so too do computers on a LAN share one common ne twork num be r . This is kn own as an Internet Protocol address. Subnet Mask The subnet mask specifies th e network number portion of an IP add[...]

Chapter 6 LAN Setup P-2812HNU-51c User’s Guide 139 DNS DNS (Domain Name System) maps a doma i n name to its corresponding IP address and vice v ersa. The DNS serv er is ext remely important because wi thout it, you must know the IP address of a co mputer before you can access it . The DNS server addresses you enter when you se t up DHCP are passe[...]

Chapter 6 LAN Setup P-2812HNU-51c User’s Guide 140 The following table describes t he fields in this screen. T able 32 LAN > IP LABEL DESCRIPTION LAN TCP/IP Group Name Select the interface group for which you want to configure the LAN TCP/IP settings. See Chapter 13 on page 117 for how to create a new interface group. IP Address Enter the LAN [...]

Chapter 6 LAN Setup P-2812HNU-51c User’s Guide 141 Second DNS Server Enter the second DNS server IP address the P-2812HNU-51c passes to the DHCP clients. IGMP Snooping Enable IGMP Snooping Select this option to activ ate IGMP snooping. This allows the P- 2812HNU-51c to passively learn multicast group. Standard Mode Select this to have the P-2812H[...]

Chapter 6 LAN Setup P-2812HNU-51c User’s Guide 142 6.4 The LAN IPv6 Screen Click Network > LAN > IPv6 to open the IPv6 screen. See Section 5.7 on page 125 for background information about IPv6. Use this screen to configure the IPv6 settings for your P-2812HNU-51c’ s LAN interface. Figure 57 LAN > IPv6 The following table describes t he[...]

Chapter 6 LAN Setup P-2812HNU-51c User’s Guide 143 6.5 T echnical Reference The following section contains additional technical information about the P- 2812HNU-51c features described in t his chapter . Ro ut e r Advertisement Setup R outer advertisement is a response to a router solicitation or a periodical multicast advertisement from a router [...]

Chapter 6 LAN Setup P-2812HNU-51c User’s Guide 144 LANs, W ANs and the ZyXEL Device The actual physical connec tion determi nes whether the P-2812HNU-51c ports are LAN or W AN ports. There are two sepa ra te IP networks, on e inside the LAN network and t he ot her outside th e WAN network as shown next. Figure 58 LAN and W AN IP Addresses DHCP Se[...]

Chapter 6 LAN Setup P-2812HNU-51c User’s Guide 145 addresses, follow their instructions i n selecting th e IP addresse s and the sub n et mask. If the ISP did not explicitly give you an IP network nu mber , then most lik ely you have a single user account and the ISP will assign you a dynamic IP address when the connection is established. If t hi[...]

Chapter 6 LAN Setup P-2812HNU-51c User’s Guide 146 Multicast T raditionally , IP packets are transmitted in one of either two ways - Unicast (1 sender - 1 recipient) or Broadcast (1 sender - everybody on the network). Multicast d elivers IP packets to a group of hosts on the network - not everybody and not just 1. IGMP (Internet Group Mu lticast [...]

Chapter 6 LAN Setup P-2812HNU-51c User’s Guide 147 The following figure shows a LAN di vided into subnets A and B. Figure 59 Physical Network & Partitioned Log ical Networks Ethernet Interface A: 192.168.1.1 - 192.168.1.24 B: 192.168.2.1 - 192.168.2.24[...]

Chapter 6 LAN Setup P-2812HNU-51c User’s Guide 148[...]

P-2812HNU-51c User’s Guide 149 C HAPTER 7 Wireless LAN 7.1 Overview This chapter describes how to perform task s related to setting up and optimizing your wirele ss net w or k, includi ng the foll owi n g . • T urning the wireless connection on or off . • Configuring a name, wireless cha nnel and security for the network. • Using WiFi Prote[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 150 •T h e WDS screen lets y ou set up a Wireless Dis tribution System, in which the P- 2812HNU-51c acts as a bridge with other Z yXEL access points ( Section 7.8 on page 166 ). •T h e Scheduling screen lets you set the times your wireless LAN is turned off ( Section 7.9 on page 167 ). •T h [...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 151 Network Names Each network must hav e a name, referr ed to as the SSID - “Service Set IDentifier” . The “service set” is the network, so the “service set identi fi er” is the network’s name. This helps y ou identify your wireless network when wireless networks’ coverage areas o[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 152 Because of the damage that can be done by a malicious attack er , it’ s not just people who have sensitive information on their network who sh ould use security . Everybody who uses any wireless network shou ld ensure that effective security i s in place. A good way t o come up with effectiv[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 153 7.4 The General Screen Note: If you are configuring the P-2812HNU-5 1c from a computer connected to the wireless LAN and you change the P-2812 HNU-51c’s SSID or security settings, you will lose your wirele ss connection when you press Apply to co nfirm. Y ou must then change the wireless se [...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 154 Bandwidth Select whether the P-2812HNU-51c uses a wireless channel width of 20MHz or 40MHz . A standard 20MHz channel offers transfer speeds of up to 150Mbps whereas a 40MHz channel uses two standard channels and offers speeds of up to 300 Mbps. 40MHz (channel bonding or dual channel) bonds tw[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 155 7.4.1 No Security Select No Security to allow wireless devices to communicate with the access points without any data encrypti on or authentication. Note: If you do not enable an y wireless security on your P-2812HNU-51c, your network is accessible to any wireless networking device that is wit[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 156 7.4.2 WEP Encryption In order to configure and en able WEP enc ryption; click Network > Wireless LAN to display the General screen. Select WEP from the Security Mode list. Figure 62 Wirele ss LAN > General: S tatic WEP Encryption The following table describes t he wirele ss LAN security [...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 157 7.4.3 WP A(2)-PSK In order to configure and enable WP A(2)-PSK authentication; click Network > Wireless LAN to display the General scre en. Select WPA-PSK or WPA2-PSK from the Security Mode lis t. Figure 63 Wireless LAN > General: WP A(2)-PSK WEP Encryption WEP (Wired Equivalent Priv acy[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 158 The following table describes t he wirele ss LAN security labels in this screen. 7.4.4 WP A(2) Authentication Use this screen to configure and enable WP A or WP A2 authentication; click the Wireless LAN link under Network to display the Genera l screen. Select WPA or WPA2 from the Security Mod[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 159 Note: If you select WP A or WP A2 in the Wireless LAN > General screen, the WDS and WPS features are not available on the P-2812HNU-51c. Figure 64 Wireless LAN > General: WP A(2) The following table describes t he wirele ss LAN security labels in this screen. T able 38 Wireless LAN > [...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 160 7.4.5 MAC Filter This screen allows you to configure the P-2812HNU-51c to give exclusive access to specific devi ces ( Allow ) or exclude specific devices from accessing the P- 2812HNU-51c ( Deny ). Every Ethernet device has a unique MAC (Media Access Control) address. The MAC addr ess is assi[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 161 Use this screen to change y our P-2812HNU-51c’ s MAC filter s ettings. Click the Edit button in the Wireless L AN > General screen. The following screen displays. Figure 65 Wireless LAN > MAC Filter The following table describes t he labels in this screen. 7.4.6 Adding a New MAC Filter[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 162 The following table describes t he labels in this screen. 7.5 The More AP Screen This screen allows you to enable and conf igure multiple wireless networks on the P-2812HNU-51c. Click Network > Wireless LAN > More AP . The following screen displays. Figure 67 Network > Wireless LAN &g[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 163 7.5.1 More AP Edit Use this screen to ed it an SSID profile. Click the Edit icon next to an S SID in the More AP screen. The following screen displays. Figure 68 Network > Wireless LAN > More AP: Edit See Section 7.4 on page 153 for more details about the fields in this screen. 7.6 The W[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 164 Click Network > Wi reless LAN >WPS . The following screen di splays. Figure 69 Network > Wireless LAN > WPS The following table describes t he labels in this screen. T able 42 Network > Wireless LAN > WPS LABEL DESCRIPTION WPS Setup Enable WPS Select the check bo x to activat[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 165 7.7 The WPS S t ation Screen Use this screen to set up a WPS wire less network using ei ther Push Butt on Configuration (PBC) or PIN Configuration. Note: If you select No Security in the W ireless LAN > General screen and click Push Button in the WPS S t ation screen, the P-2812HNU-51c auto[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 166 7.8 The WDS Screen A Wireless Distribut ion System (WDS) i s a wireless connection between two or more APs. Use this screen to set up your WDS links between the P-2812HNU- 51cs. Y ou need to know the MAC address of the peer device. Once the securi ty settings of peer sides match one anot her ,[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 167 The following table describes t he labels in this screen. 7.9 The Wireless Scheduling Screen The wireless LAN can be schedul ed to disabl e on certain days and at certain times. Use this screen to view the wireless sched uling rules and enable or disable a rule on the P-2812HNU-51c. T o open t[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 168 Note: Using the Wireles s LAN > General screen or the WPS button to turn o ff or on the wireless LAN has priority over wireless power-of f scheduling. Figure 72 Network > Wireless LAN > Scheduling The following table describes t he labels in this screen. T able 45 Network > Wireles[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 169 7.9.1 Adding a WLAN Power-off Scheduling Rule Use this scre en to set the ti m e s your wireless LAN is tu rned off . T o open this screen, click the Add button in the Wireless LAN > Scheduling screen. Figure 73 Network > Wireless LAN > Scheduling > Add The following table describe[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 170 7.10 The Advanced Setup Screen T o configure adv anced wireless settings, click Network > Wireless LAN > Advanced Setup . The screen appears as shown. Figure 74 Wirele ss LAN > Advanced Setup The following table describes t he labels in this screen. T able 47 Wireless LAN > Advance[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 171 7.1 1 T echnical Reference This section discusses wireless LANs in depth. F or more information, see the appendix. 802.11 Mode Select 802.11b Only to only allow IEEE 802.11 b comp liant WLAN devices to associate with the P-2812HNU-51c. Select 802.11g Only to allow IEEE 802.11g compliant WLAN d[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 172 7.1 1.1 Wireless Network Overview The following figure provides an example of a wireless network. Figure 75 Example of a Wireless Network The wireless network is the part in the blue circle. In this wireless network, devices A and B use the access point ( AP ) to intera ct with the other devic[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 173 7.1 1.2 Additional Wireless T erms The following table descri bes some wirele ss net work terms and acronyms used in the P-2812HNU-51c’ s W eb Configurator . 7.1 1.3 Wireless Security Overview The following sections introduce diff erent types of wi reless security you c an set up in the wire[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 174 characters 2 ; for example, 00A0C5000002 or 00:A0:C5:00:00: 02. T o get the MAC address for each device in the wireless ne twork, see the device’ s User’s Guide or other documentation. Y ou can use the MAC address filter to tell t he P-2812HNU-51c which devices are allowed or not all owed [...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 175 The types of encryption y ou can choose de pend on the type of authentication. (See Section 7.11.3.3 on page 174 for information about this.) For example, if the wireless networ k has a RADIUS server , you can choose WPA or WPA2 . If users do not log i n to the wireless network, you can choose[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 176 between two devices. Both devices must support WPS (check each device’s documentation to make sure). Depending on the de vices you have, you can either press a button (on the device itself , or in its configuration utility) or en ter a PIN (a unique P ersonal Identification Number that allow[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 177 Use the PIN method instead of the push-b utton configuration (PBC) method if you want to ensure that the connection is es tablished b e tween the devices y ou specify , not just the first two devices to activ ate WPS i n range of each ot her . However , you need to log into the configuration i[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 178 The following figure shows a WPS-enab led wi reless c lient (ins talled in a no tebook computer) connecting to the WPS- enabled AP via the PIN method. Figure 76 Example WPS Process: PIN Method 7.1 1.4.3 How WPS Works When two WPS-enabled devices connect, each device must assume a specific role[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 179 The following figure sh ows a WPS -en able d client (install ed in a notebook computer) connecting to a WPS-enabled access point. Figure 77 How WPS works The roles of registrar and enrollee last on ly as long as the WPS setup process is active (two minutes). The next time you use WPS, a differ[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 180 7.1 1.4.4 Example WPS Network Setup This section shows how security settings are distri buted in an example WPS setup. The following figure shows an example network. In step 1 , both AP1 and Client 1 are unconfigured. When WPS is activ ated on both, they perform the handshake. In this example,[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 181 point. However , you know that Client 2 supports the registr ar function, so you use it to perform the WPS handshak e instead. Figure 80 WPS: Example Network S tep 3 7.1 1.4.5 Limit ations of WPS WPS has some limitations of which you should be a ware. • WPS works in Infrastructure networks o[...]

Chapter 7 Wireless LAN P-2812HNU-51c User’s Guide 182 • When you use the PBC method, there is a short period (from the moment you press the button on one device to the moment you press the button on the other device) when any WPS-enabled devi ce could join the network. This is because the registrar has no wa y of id entifying the “corre ct”[...]

P-2812HNU-51c User’s Guide 183 C HAPTER 8 Network Address Translation (NAT) 8.1 Overview This chapter discusses how to conf igure NA T on the P-2812HNU-51c. Network Address T ranslation (NA T , RFC 1631) is the translation of the IP address of a host in a packet, for example, the so urce address of an ou tgoing packet, used within one network to [...]

Chapter 8 Net wo rk Addr ess Translation (NAT ) P-2812HNU-51c User’s Guide 184 Port Forwarding A port forw arding set is a list of insi de (behind NA T on the LAN) servers, for example, web or FTP , that y ou can make visible to the outsid e world even though NA T mak es your whole inside network appear as a si ngle computer to the outside world.[...]

Chapter 8 N etwork Address Tran slation (NAT) P-2812HNU-51c User’s Guide 185 The following table describes t he labels in this screen. T able 50 NA T Port Forwarding LABEL DESCRIPTION Service Name Sele ct a pre-defined service from the drop-down list box. The pre- defined service port number(s) and protocol will display in the External port , Int[...]

Chapter 8 Net wo rk Addr ess Translation (NAT ) P-2812HNU-51c User’s Guide 186 8.3.1 The Port Forwarding Edit Screen This screen lets you create or edit a port forwarding rule. Select User Define in the Service Name field or click the rule’ s Edit icon in the Port Forwarding screen to open the following screen. Figure 82 Port Forwarding Edit Th[...]

Chapter 8 N etwork Address Tran slation (NAT) P-2812HNU-51c User’s Guide 187 8.4 The T rigger Port Screen Some services use a dedicated r ange of ports on the client side and a dedicated rang e of ports on the server sid e. Wi th regul ar port forwarding you set a forwarding port in NA T to forward a serv ice (coming in from the server on the WAN[...]

Chapter 8 Net wo rk Addr ess Translation (NAT ) P-2812HNU-51c User’s Guide 188 port), the P-2812HNU-5 1c forwards the tr affic to the LAN IP address of the computer that sent the request. After that computer’s connection for t hat service closes, another computer on the LAN can us e the service in the same manner . This way y ou do not need to [...]

Chapter 8 N etwork Address Tran slation (NAT) P-2812HNU-51c User’s Guide 189 Click NAT > Trigger Port to open the following screen . Use this screen to view and configure your P- 2812HNU-51c’ s trigger port sett ings. Figure 84 Trigger Port The following table descri bes the labels in this screen. T able 52 NA T Trigger Port LABEL DESCRIPTIO[...]

Chapter 8 Net wo rk Addr ess Translation (NAT ) P-2812HNU-51c User’s Guide 190 8.4.1 T rigger Port Configuration This screen lets you create new port triggering rules. Click the Add icon in the NAT - Trigger Port screen to open the following screen. Figure 85 NA T > T rigger Port > Add Tr i g g e r S t a r t Po r t This is the first trigger[...]

Chapter 8 N etwork Address Tran slation (NAT) P-2812HNU-51c User’s Guide 191 The following table describes t he labels in this screen. T able 53 NAT > Port Triggering > Add LABEL DESCRIPTION Active Clear the check box to disable the rule. Select the check box to enable it. This field is not editable if you are configuring a User Define rule[...]

Chapter 8 Net wo rk Addr ess Translation (NAT ) P-2812HNU-51c User’s Guide 192 8.5 The DMZ Host Screen In addition to the servers for specified services, NA T supports a default server IP address. A default serv er rec eiv es pack ets from ports that are not specifi ed in the NAT Port Forwarding Setup screen. Figure 86 NAT > DMZ Host The follo[...]

Chapter 8 N etwork Address Tran slation (NAT) P-2812HNU-51c User’s Guide 193 Use this screen to enable or disable th e SIP (V oIP) ALG in the P-2812HNU-51c. T o access this screen, click NAT > ALG . Figure 87 NA T > ALG Each field is desc ribed in the followi ng table. 8.7 T echnical Reference The following section contains additional techn[...]

Chapter 8 Net wo rk Addr ess Translation (NAT ) P-2812HNU-51c User’s Guide 194 Port Forwarding Example Let's say you want to assi gn ports 21-25 to o n e F T P , T e l ne t a n d S MT P s e r ve r ( A in the example), port 80 to another ( B in the example) and assign a default server IP address of 192.168.1.35 to a t hird ( C in the example)[...]

P-2812HNU-51c User’s Guide 195 C HAPTER 9 Voice 9.1 Overview Use this chapter to: • Connect an analog phone to the P-2812HNU-51c . • Make phone calls over the Internet, as well as the regular phone network. • Configure setting s such as speed dial. • Configure network settings to optimize the v oice quality of y our phone calls. 9.1.1 Wha[...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 196 Y ou don’ t necessarily need to use all these screens to set up your account. In fact, if your service pro vider did not supply information on a particular field in a screen, it is us ually best t o leave i t at it s defa ult se tting. 9.1.2 What Y ou Need to Know About V oIP Vo I P V oIP stands f[...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 197 9.2 Before Y ou Begin • Before you can use these screens, you need to have a V oIP account already set up. If you don’t have one yet, you can sign up with a V oIP service provider over the Internet. • Y ou should have the information your V oIP service pro vid er ga ve you ready , before you st[...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 198[...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 199 Each field is desc ribed in the followi ng table. T able 57 V oIP > SIP > SIP Accou nt LABEL DESCRIPTION Service Provider Selection Select the SIP service provider profile you want to use for the SIP account you configure in this screen. If you change this field, the screen automatically refres[...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 200 Primary Compression Ty p e Secondary Compression Ty p e Third Compression Ty p e Select the type of voice coder/de coder (codec) that you want the P- 2812HNU-51c to use. G.711 provides high voice quality but requires more bandwidth (64 kbps). G.711 is the default codec used by phone companies and di[...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 201 Call W aiting Rej e c t T i m e r Specify a time of seconds that the P-2812HNU-51c waits before rejecting the second call if you do not answer it. Enable Unconditional For w a r d Select this if you w ant the P-2812HNU-51c to forw ard all incoming calls to the specified phone number . Specify the pho[...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 202 W arm Line Select this to have the P-2812HNU-51c dial the specified warm line number after you pick up the telephone and do not press any keys on the keypad for a period of time. Hot Line Select this to have the P-2812HNU-51c dial the specified hot line number immed iately when you pick up the telep[...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 203 9.4 The SIP Service Provider Screen Click VoIP > SIP > SIP Service Provider to open t he SIP Service Provider screen. Use this screen to co nf igure the S IP server in formation, QoS for V o IP calls, the numbers for certain phone functions, and dialing plan. Figure 90 V oIP > SIP > SIP S[...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 204[...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 205 Each field is desc ribed in the followi ng table. T able 58 VoIP > SIP > SIP Service Provider LABEL DESCRIPTION Service Provider Selection Select the SIP service provider profile you want to see in this screen. If you change this field, the screen automatically refreshes. Select ADD_NEW to crea[...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 206 RFC 3262 RFC 32 62 defines a mechanism to prov ide reliable transmission of SIP provisional response messages, which conv ey information on the processing progress of the request. This uses the option tag 100rel and the Provisional R esponse ACKnowledgement (PRACK) method. Select this to have the P-[...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 207 SR TP Support When you make a V oIP call using SIP , the R eal-time T ransport Protocol (R TP) is used to handle voice data transfer . The Secure R eal-time T ransport Protocol (SR TP) is a security profile of R TP . It is designed to provide encryption and authentication fo r the RTP data in both u [...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 208 T .38 F ax Relay Sele ct this if the P-2812HNU-5 1c should send fax messages as UDP or TCP/IP pack ets through IP networks. This provides better qualit y , but it may have inter-oper ability problems. The peer devices must also use T. 3 8 . QoS T ag SIP DSCP Mark Setting Enter the DSCP (DiffServ Cod[...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 209 Unconditional Call F orward Enable Specify the key combinations that you can enter to forw ard all incoming calls to the phone number you specified in the SIP > SIP Account screen. Unconditional Call F orward Disable Specify the key combinations that y ou can enter to turn the unconditional call f[...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 210 9.4.1 Dial Plan Rules A dial plan defines the dialing patterns, su ch as the length and ra ng e of the digits for a telephone number . It also includes country codes, access codes, area codes, local numbers, long distance numbers or international call prefixes. F or example, the dial plan ([2 -9]xxx[...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 21 1 • <dialed-number:translated -number> indicates the number after the colon replaces the number before the colon i n an angle brac ket <> . F or example, (<:1212> xxxxxxx) means the P-2812HNU- 51c automati call y prefixes the translated -number “1212” to the number yo u dialed [...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 212 Each field is desc ribed in the followi ng table. 9.6 The S peed Dial Screen Use this screen to add, edit, or remove speed-dial numbers for outgoing calls. Speed dial provides shortcuts for dialin g freq uently-used ( V oIP) phone numbers. Y ou also have to create speed- dial entries if you want to [...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 213 (the speed dial number , #01 for example) on your phone's k eypad to call the phone number . Figure 92 VoIP > Ph one Book > S peed Dial Each field is desc ribed in the followi ng table. T able 60 VoIP > Phone Book > Speed Dial LABEL DESCRIPTION Speed Dial Use this section to create o[...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 214 9.7 Call History Summary Screen The P-2812HNU-51c logs calls from or to your SIP numbers. This screen allows you to view the summary of rec eived, dialed and missed calls. Click VoIP > Call History > Call History Summary . The following screen displays. Figure 93 V oIP > Call History > C[...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 215 9.8 Outgoing Calls Screen Use this screen to see detailed inform ation for each outgoing call you made. Click VoIP > Call History > Outgoing Calls . The following screen displa ys. Figure 94 V oIP > Call History > Outgoing Calls Each field is desc ribed in the followi ng table. Missing Ca[...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 216 9.9 Incoming Calls Screen Use this screen to see detailed informat ion for each inc oming call from someone calling you. Click VoIP > Call History > Incoming Calls . The following screen displa ys. Figure 95 V oIP > Call History > Incoming Calls Each field is desc ribed in the followi ng[...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 217 Vo I P V oIP is the sending of voice signals ov er Internet Protocol. This allows you to make phone calls and send faxes o ver the Internet at a fr acti on of the cost of using the tradi tional ci rcuit-swit ched telephone network. Y ou can also use servers to run telephone service applications l ike[...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 218 SIP Registration Each P-2812HNU-51c is an indi vidual SIP User Agent (U A). T o provide v oice service, it has a public IP address for SIP and R TP protocol s to communicate with other servers. A SIP user agent has to register with the SIP registr ar and must provide information about the use rs it [...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 219 protocol. In the foll owing figure, either A or B can act as a SIP user agent client to initiate a call. A and B can also both act as a SIP user agent to rece ive the call. Figure 96 SIP User Agent SIP Proxy Server A SIP proxy server receives requests from clients and forwards them to another server [...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 220 to the IP addres s that it received back from the redirect server . Redirect servers do not initiate SIP requests. In the following exampl e, you w ant to use cli ent device A to call someone who is using client device C . 1 Client device A sends a call invi tation for C to the SIP redirect serv er [...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 221 Pulse Code Modulation Pulse Code Mod ulation (PCM) measures analog signal ampl itudes at regular time interv als and con verts them into bits. SIP Call Progression The following figure displa ys the basic st eps in the setup and t ear down of a SIP call. A calls B. 1 A sends a SIP INVI TE request to [...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 222 The response to the request goes to all the proxy servers through which the request passed, in reverse sequence. Once the session is set up, sessio n t raffic is sent between the UAs d irectly , bypassi ng all the pro xy servers in between. The following figure shows the SIP and session tr affic flo[...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 223 1 User Agent 1 sends a SIP INVITE request to Pr oxy 1 . This message is an invitation to User Agent 2 to participate in a SIP telephone call. Proxy 1 sends a response indicating that it is trying to complete the request. 2 Proxy 1 sends a SIP INVITE request to Proxy 2 . Proxy 2 sends a respon se indi[...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 224 V oice Activity Detect ion/Silence Suppression V oice Activity De t e c ti o n (VAD) detects whe t her or not speech is present. This lets the P-2812HNU-51c reduce the bandwidth that a call uses by not tr ansmitting “silent packets” when you are not speaking. Comfort Noise Generation When using [...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 225 1 Pick up the phone and press “****” on your phone’ s keypad and wait for the message that says you are in the configurati on menu. 2 Press a number from 1101~1105 on y our phone followed by the “#” k ey . 3 Play your desired music or voice recordin g into t he receiver’s mouthpiece. Pres[...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 226 T ype of Service (T oS) Network traffi c can be classified by sett ing the T oS (T ype of Service) values at the data source (for example, at the P-2812HNU-51c) so a serv er can decide the best method of delivery , that is the least cost , fastest route and so on. DiffServ DiffServ is a class of ser[...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 227 9.10.2 Phone Services Overview Supplementary services such as call hold, call waiting, and call transfer . are generall y a v ailable from y our V oIP service provider . The P-2812HNU-51c supports the following s e rv ic es : • Call Hold • Call W aiting • Making a Second Call • Call T ransfer[...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 228 After pressing the flash key , if you do not issue the sub-command before the default sub-command timeout (2 second s) expires or issue an inva lid sub- command, the current operation will be aborted. European Call Hold Call hold a l lows you to pu t a call ( A ) on hold by pressing the flash key . [...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 229 • Disconnect the first call an d answer the second call. Either press the flash k ey and press “1” , or just hang up the ph one and then answer the p hone after it ri ngs. • Put the first call on hold and answer the second call. Press the flash key and then “2” . European Call T ransfer D[...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 230 After pressing the flash key , if you do not issue the sub-command before the default sub-command timeout (2 second s) expires or issue an inva lid sub- command, the current operation will be aborted. USA Call Hold Call hold a l lows you to pu t a call ( A ) on hold by pressing the flash key . If yo[...]

Chapter 9 Voice P-2812HNU-51c User’s Guide 231 1 When you are on the phone talking to so meone (party A), press the flash key to put the caller on hold and get a dial tone. 2 Dial a phone number directly to make another call (to party B). 3 When party B answers the second call, press the flash key to create a three-way conversation. 4 Hang up the[...]

Chapter 9 Voic e P-2812HNU-51c User’s Guide 232[...]

P-2812HNU-51c User’s Guide 233 C HAPTER 10 File Sharing 10.1 Overview Share files on a USB memory stick or ha rd drive connected t o your P-2812HNU- 51c with users on yo ur network. The following figure is an ov erview of the P-2812HNU-51c’ s file server feature. Computers A and B can access files on a USB device ( C ) which is connected to t h[...]

Chapter 10 F ile Sharing P-2812HNU-51c User’s Guide 234 10.1.2 What Y ou Need to Know Workgroup name This is the name given to a set of comp uters that are connected on a network and share resources such as a printer or f iles. Windows aut omatically assigns the workgroup name when you set up a network. Shares When settings are set t o default, e[...]

Chapter 10 File Sharing P-2812HNU-51c User’s Guide 235 Samba SMB is a client -server protocol used by Microsoft Windows systems for sharing files, printers, and so on. Samba is a free SMB serv er that runs on most Uni x and Unix-li ke systems. It provides an implementation of an SMB clie nt and server for use with non-Microsoft operating syst ems[...]

Chapter 10 F ile Sharing P-2812HNU-51c User’s Guide 236 10.2 The File Sharing Screen Use this screen to set up file sharin g via the P-2812HNU-51c. T o access this screen, click USB Services > File Sharing . Figure 102 USB Services > File Sharing Each field is desc ribed in the followi ng table. T able 70 USB Services > File Sharing LABE[...]

Chapter 10 File Sharing P-2812HNU-51c User’s Guide 237 10.2.1 Example of Accessing Y our Shared Files From a Computer Y ou can use Windows Explorer to access the file stor age devices connected to the P-2812HNU-51c. Note: The example in this User ’s Guide shows you how to use Microsoft’ s Windows XP to browse your shared files. Refer to your [...]

Chapter 10 F ile Sharing P-2812HNU-51c User’s Guide 238[...]

P-2812HNU-51c User’s Guide 239 C HAPTER 11 Sharing a USB Printer This chapter describes how you can share a USB printer via your P-2812HNU-51 c. 1 1.1 Overview The P-2812HNU-51c allows you to share a USB printer on y our LAN. Y ou can do this by connecting a USB printer to one of the USB ports on the P-2812HNU-51c and then allowing the computers [...]

Chapter 11 Sha ring a USB Print er P-2812HNU-51c User’s Guide 240 1 1.2 What Y ou Need to Know Print Server This is a computer or other device wh i ch manages one or more printers, and which sends print jobs to each printer fr om the computer itse lf or other devices. Operating System An operating system (OS) is the interf ace which helps you man[...]

Chapter 11 Sharing a USB Pr inter P-2812HNU-51c User’s Guide 241 Note: Y our printer ’s inst allation instructions may ask that you co nnect the printer to your computer . Connect your printer to the P-2812HNU-51c instea d. 1 1.4 The Print Server Screen The print server screen i s used to enable the print server func tion on the P- 2812HNU-51c [...]

Chapter 11 Sha ring a USB Print er P-2812HNU-51c User’s Guide 242 1 1.5 Add a New Printer Using Wi ndows This example shows how to connect a pr inter behind the P-2812HNU-51c to y our computer using the Windows XP Profession al operating system. Some menu items may look different on your oper ating system. 1 Click Start > Control Panel > Pr[...]

Chapter 11 Sharing a USB Pr inter P-2812HNU-51c User’s Guide 243 3 Select A network printer, or a printe r attached to another computer and click Next . Figure 108 Add Printer Wizard: Lo cal or Network Printer 4 Select Connect to a printer on the Internet o r o n a h o m e o r o f f i c e n e t w o r k : and enter “http://192.1 68.1.1:631/print[...]

Chapter 11 Sha ring a USB Print er P-2812HNU-51c User’s Guide 244 7 If your printer is not displa y ed in the list of Printers , you can insert the printer driver installation CD/di sk or download the driver file to your comput er , click Have Disk… and install the new printer dri ver . 8 Click Next to conti nue. Figure 1 10 Add Printer Wizard:[...]

Chapter 11 Sharing a USB Pr inter P-2812HNU-51c User’s Guide 245 10 The following screen shows y our current printer settings. Select Finish to comple te a d d in g a new prin ter . Figure 1 12 Add Printer Wizard Complete 1 1.6 Add a New Printe r Using Macintosh OS X Complete the following steps to set up a print server driv er on your Macintosh [...]

Chapter 11 Sha ring a USB Print er P-2812HNU-51c User’s Guide 246 12 Open the Applications folder . Figure 1 14 Macintosh HD Folder 13 Open the Utilities folder . Figure 1 15 Applications Folder[...]

Chapter 11 Sharing a USB Pr inter P-2812HNU-51c User’s Guide 247 14 Double-click the Printer Setup Utility icon. Figure 1 16 Utilities Folder 15 Click the Add icon at the top of the screen. Figure 1 17 Printer List: Add 16 Click the IP Printer tab to set up your printer . •P r e s s t h e alt key and click More Pr inters in the Printer Browser [...]

Chapter 11 Sha ring a USB Print er P-2812HNU-51c User’s Guide 248 • Select your printer manufacturer from the Printer Model drop-down list and then select a printer model. Click Add to sav e and close the Printer Browser configur ation screen. Figure 1 18 Printer Browser 17 The new network printer displays in the Printer Li st . The default pri[...]

Chapter 11 Sharing a USB Pr inter P-2812HNU-51c User’s Guide 249 1 Click the Finder icon on the Dock or do uble-click your Mac hard disk icon ( Mac OS X in this exa m pl e) on your desk to p to open the Mac HD window . Figure 120 Mac OS X HD 2 Open the Applications folder . Figure 121 Macintosh HD Folder 3 Double-click the System Preferences icon[...]

Chapter 11 Sha ring a USB Print er P-2812HNU-51c User’s Guide 250 4 Click the Print & Fax icon. Figure 123 System Preference s 5 Select the Printing tab and click the + icon to add a new printer . Figure 124 Print & Fax 6 Click the Advanced button on the Add Printer toolbar to set up y our printer . If the Advanced button doesn’t appear[...]

Chapter 11 Sharing a USB Pr inter P-2812HNU-51c User’s Guide 251 Note: If you change the P-281 2HNU-51c’s LAN IP address, use the new IP address in the URL to access the print server . • Enter a descriptive name for the printer and where it is located. • Select your prin ter manufact urer from th e Print Using drop-down list and then select[...]

Chapter 11 Sha ring a USB Print er P-2812HNU-51c User’s Guide 252 1 1.7 P-2812HNU-51c Print Server Comp atible USB Printers The following is a list of USB printer models compatible with the P-2812HNU- 51c print server . T able 72 Compatible USB Printers BRAND MODEL CANON MP-530 HP DeskJet F380 HP LaserJet 1022 LEXMARK Z645 SAMSUNG CLP-300[...]

P-2812HNU-51c User’s Guide 253 C HAPTER 12 IPSec VPN 12.1 Overview A virtual priv ate network (VPN) pro vides secure communications between sit es without the expense of leased site-to-site lines. A s ecure VPN is a combination of tunneling, encryption, aut hentication, access control and auditing. It is used to transport tr affic over the Intern[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 254 12.2 What Y ou Need to Know A VPN tunnel is usually established in two phases. Each phase establ ishes a security association (SA) , a contr act indi cating what securit y par ameters the P- 2812HNU-51c and the remote IPSec router will use. The first phase establishes an Internet K ey Exchange ([...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 255 Finding Out More See Section 12.5 on page 267 for adv anced technical information on IPSec VPN . 12.2.1 Before Y ou Begin If a VPN tunnel us es T elnet, FTP , WWW , then you should conf igure remote management ( Remote MGMT ) to al low access for that service. 12.3 The IPSec Screen The following[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 256 The following table describes t he fields in this screen. 12.3.1 The IPSec Setting Screen Click the Add button or a policy’ s Edit icon in the IPSec VPN screen to edit VPN policies. T able 73 Security > IPSec VPN > IPSec VPN LABEL DESCRIPTION Add Click this button to configure a new VPN [...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 257 Note: The P-2812HNU-51c uses the syst em default gateway interface’ s W AN IP address as its W AN IP address to set up a VPN tunnel. Figure 131 Security > IPSec VPN > IPSec Setting > IKE[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 258 The following table describes t he fields in this screen. T able 74 Security > IPSec VPN > IP Sec Setting > IKE LABEL DESCRIPTION IPSec Setting Enable Select this check box to activ ate this VPN policy . This option determines whether a VPN rule is applied before a packet leaves the fir[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 259 IP Subnetmask When the remote IP address type is configured to Single Address , this field is not available. When the remote IP address type is configured to Subnet , enter a subnet mask on the network behind the remote IPSec router . Protocol This field displays ESP and the P-2812HNU-51c uses E[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 260 Local ID T ype Select IP to identify this P-2812HNU-51c by its IP address. Select DNS to identify this P-2812HNU-51c by a domain name. Select E-mail to identify this P-2812HNU-51c by an e-mail address. Select ASN1DN (Abstract Syntax Notation one - Distinguished Name) to identify the remote IPSec[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 261 12.3.2 Manual Key Setup Manual ke y management is useful if you have prob lems with Auto(IKE) key management. 12.3.2.1 Security Pa rameter Index (SPI) An SPI is used to distinguish different SA s terminating at the same destination and using the same IPSec protocol. This data al lows for the mul[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 262 12.3.3 Configuring Manual Key Y ou only configure VPN man u al key w h en yo u se lec t Manual in the Key Exchange Method field on the IPSec Setting screen. This is the IPSec Setting - Manual screen as shown next. Figure 132 Security > IPSec VPN > IPSec Setting > Manual[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 263 The following table describes t he fields in this screen. T able 75 Security > IPSec VPN > IPSec Setting > Manual LABEL DESCRIPTION IPSec Setting Enable Select this check box to activ ate this VPN policy . This option determines whether a VPN rule is applied before a packet leaves the f[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 264 IP Subnetmask When the remote IP address type is configured to Single Address , this field is not available. When the remote IP address type is configured to Subnet , enter a subnet mask on the network behind the remote IPSec router . Protocol This field displays ESP and the P-2812HNU-51c uses E[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 265 Local ID T ype Select IP to identify this P-2812HNU-51c by its IP address. Select DNS to identify this P-2812HNU-51c by a domain name. Select E-mail to identify this P-2812HNU-51c by an e-mail address. Select ASN1DN (Abstract Syntax Notation one - Distinguished Name) to identify the remote IPSec[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 266 12.4 V iewing VPN S t atus Click Security > IPSec VPN > Status to open the screen as shown. Use this screen to displ ay and manage activ e VPN connections. A Security Association (S A) is the group of security settings related to a specific VPN tunnel. This sc reen displays active VPN conn[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 267 The following table describes t he fields in this screen. 12.5 IPSec VPN T echnical Reference This section provi des some technical background informatio n about the topics covered in th is ch apter . 12.5.1 IPSec Architecture The over all IPSec architecture i s shown as follows. Figure 134 IPSe[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 268 IPSec Algorithms The ESP (Encapsulating Security Payl oad) Protocol (RFC 2406) and AH (Authentication Header) protocol ( RFC 2402) describe the packet formats and the default standards for pack et structure ( including implementation algorithms) . The Encryption Algorithm describes the us e of e[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 269 With the use of AH as the securit y protocol, protec tion is extended forward into the IP header to verify the integrity of th e enti re packet by use of portions of the original IP header in the hashing process. T unnel Mode Tunnel mode encapsulat es the entire IP pack et to transmit it securel[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 270 • Choose a Diffie-Hel lman public-key c ryptograph y key group ( DH1 or DH2 ) . • Set the IKE SA l ifetime. This field allows y ou to determine how long an IKE S A s h o u l d s t a y u p b e f o r e i t t i m e s o u t . A n I K E S A t i m e s o u t w h e n t h e I K E S A l i f e t i m e [...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 271 value, and compl ain that the hash value appended to the received packet doesn't match. The VPN device at the receiving end doesn't know about t he N A T in the middle, so it assumes that the data has been maliciously altered. IPSec using ESP in Tunnel mode encapsulates the entire orig[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 272 Normally you cannot set up an IKE SA with a NA T router between the two IPSec routers because the NA T router changes the header of the IPSec packet. NA T tra versal solves the problem by adding a UDP port 500 header to the IPSec packet. The NA T router forwards the IPSe c packet with the UDP po[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 273 IPSec routers that hav e dynamic W AN IP addresses. The P-2812HNU-51c can distinguish up to 48 incoming S As because you can select between t hree encryption al gorit hms (DES, 3DES and AE S), two authentication algorithms (MD5 and SHA1) and eight key groups when you configure a VPN rule (see Se[...]

Chapter 12 IPSec VPN P-2812HNU-51c User’s Guide 274 The two P-2812HNU-51cs in this example can complete negotiation and establis h a VPN tunnel. The two P-2812HNU-51cs in this example cannot complete their negotiation because P-2812HNU-51c B’ s Local ID type is IP , but P-2812HNU-51c A ’ s Remote ID type is set to E-mail . An “ID mismatched[...]

P-2812HNU-51c User’s Guide 275 C HAPTER 13 Firewall 13.1 Overview This chapter shows you how t o enable and configure the P-2812HNU-51c firew all settings. The P-2812HNU-51c firewall is a pack et filtering firewall and restricts access based on the source/destination comput er networ k address of a packet and the t ype of application. 13.1.1 What[...]

Chapter 13 Firewall P-2812HNU-51c User’s Guide 276 Some of the most common IP ports are: Default Filtering Policies Filtering rules are grouped ba sed on the direction of tr av el of packets to which they appl y . The default rule for incoming traffic bl ocks all incomi ng connections from the W AN to the LAN. If y ou wish to allow certain W AN u[...]

Chapter 13 Firewall P-2812HNU-51c User’s Guide 277 The following table describes t he labels in this screen. T able 84 Firewall > Incoming LABEL DESCRIPTION Active Firewall Select this check box to enable the firew all on the P-2812HNU-51c. When the firewall is enabled, the P-2812HNU-51c blocks all incoming traffic from the W AN to the LAN. Cr[...]

Chapter 13 Firewall P-2812HNU-51c User’s Guide 278 13.3.1 Creating Incoming Firewall Rules In the Incoming screen, click Add to display this screen and refer to the following table for information on the labels. Figure 139 Firewall > Incoming: Add The following table describes t he labels in this screen. T able 85 Firewall > Incoming: Add L[...]

Chapter 13 Firewall P-2812HNU-51c User’s Guide 279 Interface Select Select All to apply the rule to all interfaces on the P-2812HNU- 51c or select the specific WAN interface(s) to which this rule applies. Back Click Back to return to the previous screen. Apply Click Apply to save your customized settings and exit this screen. T able 85 Firewall &[...]

Chapter 13 Firewall P-2812HNU-51c User’s Guide 280[...]

P-2812HNU-51c User’s Guide 281 C HAPTER 14 Certificate 14.1 Overview The P-2812HNU-51c can use certificates (also called digital IDs) to authenticate users. Certificates are based on public-pri v ate key pairs. A certificate contains the certificate owner’ s identity and public k ey . Certificates provide a way to exchange public keys fo r u s [...]

Chapter 14 Certificate P-2812HNU-51c User’s Guide 282 • PEM (Base-64) encoded X.509: Thi s Privacy Enhanced Mail format uses 64 ASCII characters to convert a b inary X.509 certificate into a pr intable form. 14.3 The Local Certificates Screen Click Security > Certificates to open the Local Certificates screen. This is the P-2812HNU-51c’ s [...]

Chapter 14 Certificate P-2812HNU-51c User’s Guide 283 14.3.1 Create Certificate Request Click Security > Certificates > Local Certificates and then Create Certificate Request to open the My Certificate Create screen. Use this screen to have the P-2812HNU-51c gener ate a certification request. Figure 141 Create Certificat e Request The follo[...]

Chapter 14 Certificate P-2812HNU-51c User’s Guide 284 After you cli ck Apply , the Certificate Request Details screen displays. Click Load Signed Certificate to import a certificate signed by the CA to replace the request ( see Section 14.3.4 on page 288 ). Otherwise, click Back to return to the Local Certificates screen. See Section 14.3.3 on p [...]

Chapter 14 Certificate P-2812HNU-51c User’s Guide 285 Note: Y ou must remove any sp aces from th e certificate’ s filename before you can import it. Figure 143 Import Loca l Certificate The following table describes t he labels in this screen. T able 88 Import Local Certificate LABEL DESCRIPTION Certificate Name T ype up to 31 ASCII characters [...]

Chapter 14 Certificate P-2812HNU-51c User’s Guide 286 14.3.3 Certificate Det ails Click Security > Certificates > Local Certificates to open the My Certificates screen (see Figure 140 on page 282 ). Click the Vie w icon to open the Certificate Details screen. Use this screen to view in -depth ce rtificat e in formation and change the certif[...]

Chapter 14 Certificate P-2812HNU-51c User’s Guide 287 Figure 144 Certificate Det ails[...]

Chapter 14 Certificate P-2812HNU-51c User’s Guide 288 The following table describes t he labels in this screen. 14.3.4 Load Signed Certificate Click Security > Certificates > Local Certificates and then Load Signed or the Load Signed Certificate button in the Certificate Details screen of a certification request to open the Load Certificate[...]

Chapter 14 Certificate P-2812HNU-51c User’s Guide 289 Figure 145 Load Certificate The following table describes t he labels in this screen. 14.4 The T rusted CA Screen Click Advanced Setup > Certificates > Trusted CA to open the following screen. This screen disp lays a summary lis t of certificates of the certification authorities that y o[...]

Chapter 14 Certificate P-2812HNU-51c User’s Guide 290 this list as being trustworth y; thus you do not need to import an y certificate that is signed by one of these certific ation authorities. Figure 146 T rusted CA The following table describes t he fields in this screen. T able 91 Trusted CA LABEL DESCRIPTION Name This field displays the name [...]

Chapter 14 Certificate P-2812HNU-51c User’s Guide 291 14.4.1 V iew T rusted CA Certificate Click the View button i n the Trusted CA screen to open the following screen. Use this screen to view in-dep th information about the certification authori ty’ s certificate. Figure 147 T rusted CA : View The following table describes t he fields in this [...]

Chapter 14 Certificate P-2812HNU-51c User’s Guide 292 14.4.2 Import T rusted CA Certificate Click the Import Certificate button in the Tru sted CA screen to open the following screen. The P-2812HNU-51c trusts an y vali d cert ificate sig ned by an y of the imported trusted CA certificates. Figure 148 T rusted CA: Import Certificate The following [...]

P-2812HNU-51c User’s Guide 293 C HAPTER 15 Static Route 15.1 Overview The P-2812HNU-51c usually uses the default gatew ay to route outbound tr affic from computers on the LAN to the Internet. T o hav e the P-2812HNU-51c send data to devices not reachabl e through the default gatewa y , use static routes. For example, the next figure shows a compu[...]

Chapter 15 Stat ic Route P-2812HNU-51c User’s Guide 294 15.2 The S t atic Route Screen Click Advanced > Static Route to open the Static Route screen. Figure 150 Advanced > S tatic Route The following table describes t he labels in this screen. T able 94 Advanced > Static Route LABEL DESCRIPTION # This is the number of an individual stati[...]

Chapter 15 Static Route P-2812HNU-51c User’s Guide 295 15.2.1 S t atic Route Edit Click the Add button in the Static Route screen. Use this screen to configure the required information for a static route. Figure 151 S tatic Route: Add The following table describes t he labels in this screen. T able 95 Static Route: Add LABEL DESCRIPTION Destinati[...]

Chapter 15 Stat ic Route P-2812HNU-51c User’s Guide 296[...]

P-2812HNU-51c User’s Guide 297 C HAPTER 16 Policy Forwarding 16.1 Overview T raditionally , routing is based on the destination address only and the P-2812HNU- 51c takes the shortest path to forward a pack et. P olicy forwarding al lows the P- 2812HNU-51c to override t he default routing behavior and alter the pack et forwarding based on the pol [...]

Chapter 16 Policy F or wa rding P-2812HNU-51c User’s Guide 298 The following table describes t he labels in this screen. 16.2.1 Policy Forwarding Setup Click the Add button in the Policy Forwarding screen. Use this screen to configure the required information for a policy route. Figure 153 Policy Fo rwarding: Add The following table describes t h[...]

Chapter 16 Policy Forwarding P-2812HNU-51c User’s Guide 299 Back Click Back to return to the previous screen without saving. Apply Click Apply to save your changes back to the P-2812HNU-51c. Cancel Click Cancel to begin configuring this screen afresh. T able 97 Policy Forwarding: Add LABEL DESCRIPTION[...]

Chapter 16 Policy F or wa rding P-2812HNU-51c User’s Guide 300[...]

P-2812HNU-51c User’s Guide 301 C HAPTER 17 DNS Route 17.1 Overview DNS (Domain Name System) is for mapping a domain name to its corresponding IP address and vice v ersa. The DNS se rver is extremely important because without it, you must know the IP addre ss of a machine before you can access it. In addition to the system DNS s erver(s), each W A[...]

Chapter 17 DNS Route P-2812HNU-51c User’s Guide 302 17.1.1 What Y ou Can Do in this Chapter The DNS Route screens let you view and conf igure DNS routes on the P- 2812HNU-51c ( Section 17.2 on page 302 ). 17.2 The DNS Route Screen Click Advanc ed > DNS Route to open the DNS Route screen. Figure 155 Advanced > DNS Route The following table d[...]

Chapter 17 DNS Route P-2812HNU-51c User’s Guide 303 17.2.1 DNS Route Edit Click the Add button in the DNS Route screen. Use this screen to configure the required information for a DNS route. Figure 156 DNS Route > Add The following table describes t he labels in this screen. T able 99 DNS Route > Add LABEL DESCRIPTION Domain Name Enter the [...]

Chapter 17 DNS Route P-2812HNU-51c User’s Guide 304[...]

P-2812HNU-51c User’s Guide 305 C HAPTER 18 RIP 18.1 Overview Routi ng Information Protocol (RIP , RFC 1058 and RFC 1389) allows a device to exchange routing information with other routers . 18.1.1 What Y ou Can Do in this Chapter The RIP screen lets y ou s et up RIP sett ings on the P-2812HNU- 51c ( Sect ion 18.2 on page 305 ). 18.2 The RIP Scree[...]

Chapter 18 RI P P-2812HNU-51c User’s Guide 306 The following table describes t he labels in this screen. T able 100 Advanced > RIP LABEL DESCRIPTION Interface This is the name of the interface in which the RIP setting is used. Ve r s i o n The RIP version controls the format and the broadcasting method of the RIP packets that the P-2812HNU-51c[...]

P-2812HNU-51c User’s Guide 307 C HAPTER 19 Quality of Service (QoS) 19.1 Overview Quality of Service (QoS) refers to both a network’ s ability to deliver data with minimum delay , and the networking me thods used to control the use of bandwidth. Without QoS , all tr affic data is equally likely to be dropped when the network is congested. This [...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 308 •T h e Policer Setup screen lets you ad d, edit or de le te QoS pol ic ers ( Section 19.5 on page 313 ). •T h e Monitor screen lets you view the P-2812HNU-51c's QoS-related packet statistics ( Section 19.7 on page 323 ). 19.2 What Y ou Need to Know The following terms and[...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 309 queues). Y our P-2812HNU-51c uses the T oken Bucket algorit hm to allow a certain amount of large bursts while k eeping a limit at the aver age r ate. T raffic Policing T raffic polici ng is the limiting of the input or output transmission r ate of a class of traffic on the basis [...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 310 the IEEE 802.1p priority l evel, IP precedence or pa cket length. See Section 19.1 on page 307 for more information. Figure 158 QoS General The following table describes t he labels in this screen. T able 101 QoS General LABEL DESCRIPTION Enable QoS Select the check box to turn on[...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 31 1 19.4 The Queue Setup Screen Click QoS > Queue Setup to open the screen as shown next. Use this screen to configure QoS queues for egress tr affic shaping. Figure 159 QoS Queue Se tup The following table describes t he labels in this screen. Upstream traffic priority will be au[...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 312 19.4.1 Adding a QoS Queue Click the Add button or the edit icon in the Queue Setup screen to configure a queue. Figure 160 QoS Queue Se tup: Add Name This shows the descriptive name of this queue. Interface This shows the name of the P-2812H NU-51c’ s interface through w hich tr[...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 313 The following table describes t he labels in this screen. 19.5 The Class Setup Screen Use this screen to add, edit or delete QoS classifiers. A classifier groups traffic into data flows according to specific criteria such as the source address, destination address, source port num[...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 314 Click QoS > Class Setup to open the following screen. Figure 161 QoS Class Setup The following table describes t he labels in this screen. T able 104 QoS Class Setup LABEL DESCRIPTION Add Click this button to create a new classifier . Order This field displays the index number [...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 315 19.5.1 QoS Class Edit Click the Add button or the Edit icon in the Class Setup screen to configure a classifier . Figure 162 QoS Class Config uration[...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 316 The following table describes t he labels in this screen. T able 105 QoS Class Configuration LABEL DESCRIPTION Class Configuration Active Select to enable or disable this classifier . Class Name Enter a descriptive name of up to 20 printable English keyboard characters, including [...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 317 From Interface Select from which LAN, WLAN or W AN interface tr affic of this class should come. Ether T ype Select a predefined application to configure a class for the matched traffic. If you select IP , you also need to configure source or destination MAC address, IP address, D[...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 318 Exclude Select this option to exclude the packets that match the specified criteria from this classifier . Others 802.1P This field is available only when you select 802.1Q in the Ether Type field. Select this option and select a priority level (between 0 and 7) from the drop down[...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 319 19.6 The QoS Policer Setup Screen Use this screen to configure QoS policers that allow y ou to limit the transmis sion rate of incoming traffic. Cl ick Advanced > QoS > Policer Setup . The screen appears as shown. Figure 163 QoS > Policer Setup The following table describ[...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 320 19.6.1 Adding a QoS Policer Click the Add button or the edit icon in the Policer Setup screen to configure a policer . Figure 164 QoS Policer Setup: Add The following table describes t he labels in this screen. T able 107 QoS Policer Setup: Add LABEL DESCRIPTION Enable Select to e[...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 321 Meter T ype Select a tr affic metering algo rithm used in this policer . The Simple Token Bucket algorithm uses tokens in a bucket to control when traffic can be transmitted. Each tok en represents one byte. The algorithm allows bursts of up to b bytes which is also the bucket siz[...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 322 Non- Conforming Action Specify the action that the P-2812HNU-51c takes on red-marked packets. Select Drop to discard the packets. Select DSCP Mark to assign a specified DSCP number (between 0 and 63) to the packets and forward them. The pack ets are dropped if there is congestion [...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 323 19.7 The QoS Monitor Screen T o view the P-2812HNU-51c’ s QoS packet statistics, click Advanced > QoS > Monitor . The screen appears as shown. Figure 165 QoS > Monitor The following table describes t he labels in this screen. T able 108 QoS > Monitor LABEL DESCRIPTIO[...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 324 19.8 T echnical Reference The following section contains additional technical information about the P- 2812HNU-51c features described in t his chapter . IEEE 802.1Q T ag The IEEE 802.1Q standard defi nes an exp licit VLAN tag in the MAC header to identify the VLAN membership of a [...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 325 DiffServ QoS is used to prioritize source-to- desti nat ion traffic flows. All packets in the flow are given the same priority . Y ou can use CoS (class of service) to give dif ferent priorities to different pac ket types. DiffServ (Differentia ted Services) is a class of service [...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 326 Automatic Priority Queue Assignment If you enable QoS on the P-2812HNU-51c, t he P-2812HNU-51c can automatically base on the IEEE 802.1p priorit y level, IP precedence and/or pack et length to assign priority to tr affic whi ch does not match a class. The following table shows you[...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 327 T oken Bucket The token buck et algorithm uses tokens in a buc k et to control when tr affic can be transmit ted. The buck et stores tokens , each of which represents one byte. The algorithm allows burs ts of up to b bytes which is also t he bucket size, so the bucket can hold up [...]

Chapter 19 Quality of Service (QoS) P-2812HNU-51c User’s Guide 328 All packets are ev aluated against the CBS. If a pac ket does not exc eed the CBS i t is marked green. Otherwise it is ev aluated against the EBS. If it is below the EBS then it is marked yellow . If it ex ceeds the EBS then it is marked red. The following shows how tokens work wi[...]

P-2812HNU-51c User’s Guide 329 C HAPTER 20 Dynamic DNS Setup 20.1 Overview Dynamic DNS allows you to update your current dynamic IP a ddress with one or many dynamic DNS services so that anyo ne can contact you (in NetMeeting, CU- SeeMe, etc.). Y ou can also access your FTP server or W eb site on your own computer using a domain name (for instanc[...]

Chapter 20 Dy namic DNS Se tup P-2812HNU-51c User’s Guide 330 20.3 The Dynamic DNS Screen T o change your P- 2812HNU-51c’ s DDNS, click Advanced > Dynamic DNS . The screen appears as shown. Figure 166 Advanced > Dynamic DNS The following table describes t he fields in this screen. T able 1 1 1 Advanced > Dynamic DNS LABEL DESCRIPTION S[...]

P-2812HNU-51c User’s Guide 331 C HAPTER 21 Remote Management 21.1 Overview This chapter explains how to confi gure the remote management and access control settings on the P-2812HNU-51c. 21.1.1 What Y ou Can Do in this Chapter •T h e TR-069 screen lets you configure the P-2812HNU-51c’ s TR- 069 auto- configur ation settings ( Section 21.3 on [...]

Chapter 21 Remote Management P-2812HNU-51c User’s Guide 332 Click Advanced > Remote MGMT to open the following screen. Use this screen to configure your P-281 2HNU-51c to be managed by an ACS. Figure 167 TR-069 The following table describes t he fields in this screen. T able 1 12 TR-069 LABEL DESCRIPTION Inform Select Enable to activate remote[...]

Chapter 21 Remote Management P-2812HNU-51c User’s Guide 333 21.3 The TR-064 Screen TR -064 is a LAN-Side DSL CPE Configurat io n protocol defined by the DSL Forum. TR -064 is built on top of UPnP . It allows the users to use a TR -064 compliant CPE management application on their computer s from the LAN t o discover the CPE and configure user-spe[...]

Chapter 21 Remote Management P-2812HNU-51c User’s Guide 334 21.4 The SNMP Screen Simple Network Manageme nt Protocol (SNM P) is a protocol used for exchanging management information between ne twork devices . Y our P-2812HNU-51c supports SNMP agent functionalit y , which allows a manager station to manage and monitor the P-2812HNU-51c through the[...]

Chapter 21 Remote Management P-2812HNU-51c User’s Guide 335 Click Advanced > Remote MGMT > SNMP to open the following screen. Use this screen to configure the P-2812 HNU-51c SNMP settings. Figure 169 SNM P The following table describes t he fields in this screen. T able 1 15 SNMP LABEL DESCRIPTION SNMP Agent Select Enable to allow a manager[...]

Chapter 21 Remote Management P-2812HNU-51c User’s Guide 336 21.5 The Service Control Screen Click Advanced > Remote MGMT > Service Control to open the following screen. Use this s creen to decide what services you may use to ac ce ss which P- 2812HNU-51c interface. Figure 170 Service Contro l The following table describes t he fields in thi[...]

Chapter 21 Remote Management P-2812HNU-51c User’s Guide 337 21.6 The IP Address Screen Click Advanced > Remote MGMT > IP Address to open the following screen. Use this screen to specify the “trusted ” computers f rom which an administr ator may use a service to manage the P-2812HNU-51c. Figure 171 IP Address The following table describe[...]

Chapter 21 Remote Management P-2812HNU-51c User’s Guide 338 21.6.1 Adding an IP Address Click the Add button in the IP Address screen to open the following screen. Figure 172 IP Address: Add The following table describes t he fields in this screen. T able 1 18 IP Address: Add LABEL DESCRIPTION IP Address Enter the IP address of the trusted comput[...]

P-2812HNU-51c User’s Guide 339 C HAPTER 22 Universal Plug-and-Play (UPnP) 22.1 Overview Universal Plug and Play (UPnP) is a d ist ributed, open networking standard that uses TCP/IP for simple peer -to-peer ne twork connec t iv ity be tween dev ice s. A UPnP device can dynamically join a network, ob tain an IP address, convey i ts capabilities and[...]

Chapter 22 Universal Plug-and-Play (UPnP) P-2812HNU-51c User’s Guide 340 Windows Messenger is an example of an application that supports NA T tr aversal and UPnP . See the NA T chapter fo r more infor mation on NA T . Cautions with UPnP The automated nature of NA T trav ersal applications in establishing their own services and opening firewall po[...]

Chapter 22 Univers al Plug-and-Play (UPnP) P-2812HNU-51c User’s Guide 341 The following table describes t he fields in this screen. 22.4 Inst alling UPnP in Windows This section shows y ou how to conf igure or install UPnP in Windows. 22.4.1 Windows 7 Windows 7 already has UPnP installed. T o enable it: 1 Click Start > Control Panel and select[...]

Chapter 22 Universal Plug-and-Play (UPnP) P-2812HNU-51c User’s Guide 342 22.4.2 Windows XP T o install the U Pn P in Window s XP : 1 Click Start and Control Panel . 2 Double-click Network Connections . 3 In the Network Connections window , click Adv anced in the m ain me nu and select Optional Networking Components … . Network Co nnection s 4 T[...]

Chapter 22 Univers al Plug-and-Play (UPnP) P-2812HNU-51c User’s Guide 343 5 In the Networking Services window , select the Universal Plug and Play check box. Networki ng Services 6 Click OK to go back to the Windows Optional Networking Component Wizard window and click Next . 22.5 Using UPnP in Windows XP This section shows y ou how to use the UP[...]

Chapter 22 Universal Plug-and-Play (UPnP) P-2812HNU-51c User’s Guide 344 22.5.1 Auto-discover Y our UPnP-enabled Network Device 1 Click Start and Control Panel . Double-click Network Connections . An icon displays under Int ernet Gateway . 2 Right- click the icon and select Properties . Network Co nnection s 3 In the Internet Connection Propertie[...]

Chapter 22 Univers al Plug-and-Play (UPnP) P-2812HNU-51c User’s Guide 345 4 Y ou may edit or delete the port mappings or cl ick Add to manually add port mappings. Internet Connec tion Properties : Advanced Settin gs Internet Connec tion Properties : Advanced Settin gs: Add 5 When the UPnP-enabled device is discon nected from your computer , all p[...]

Chapter 22 Universal Plug-and-Play (UPnP) P-2812HNU-51c User’s Guide 346 7 Double-click on the icon to display y o ur current In te rnet connection status. Internet Conn ection Status 22.5.2 W eb Configurator Easy Access With UPnP , you can ac cess the web-base d configur ator on the P-2812HNU-51c without finding out the IP address of the P-2812H[...]

Chapter 22 Univers al Plug-and-Play (UPnP) P-2812HNU-51c User’s Guide 347 3 Select My Network Places under Other Places . Network Co nnection s 4 An icon with the description f or each UPnP-enabled device displays under Local Network . 5 Right- click on the icon for your P-2812HNU-51c and select Invoke . The web configurator login screen displays[...]

Chapter 22 Universal Plug-and-Play (UPnP) P-2812HNU-51c User’s Guide 348 6 Right- click on the icon for your P-2812HNU-51c and select Properties . A properties window displa ys with basic information about the P- 2812HNU-51c. Network Co nnection s: My Netw ork Plac es: Proper ties: Ex ample[...]

P-2812HNU-51c User’s Guide 349 C HAPTER 23 Parental Control 23.1 Overview P arental control all ows you to b lock web sites with t he specific URL. Y ou can also define time periods and days during wh ich the P-2812HNU-51c performs parental control on a specific user . 23.1.1 What Y ou Can Do in this Chapter •T h e Time Restriction screen lets [...]

Chapter 23 Pare n ta l Cont ro l P-2812HNU-51c User’s Guide 350 The following table describes t he fields in this screen. 23.2.1 Adding a Schedule Click the Add button in the Time Restriction screen to open the following screen. Use this scr een to configure a restri cted access schedule for a specif ic user on your network. Figure 175 T ime Rest[...]

Chapter 23 Parental Control P-2812HNU-51c User’s Guide 351 The following table describes t he fields in this screen. 23.3 The URL Filter Screen Use this screen to configure URL filterin g settings to block the users on y our network fr om acc e ssing ce rti a n web sites. Click Advanced Setup > Parental Control > URL Filter to open the foll[...]

Chapter 23 Pare n ta l Cont ro l P-2812HNU-51c User’s Guide 352 The following table describes t he fields in this screen. 23.3.1 Adding URL Filter Click the Add button in the URL Filter screen to open the following screen. Figure 177 URL Filter Configuration The following table describes t he fields in this screen. T able 122 Parental Control >[...]

P-2812HNU-51c User’s Guide 353 C HAPTER 24 Interface Group 24.1 Overview By default, all LAN and W AN interfaces on the P-2812HNU-51c are in the same group and can communicate with each othe r . Y ou can create multiple groups to have the P-2812HNU-51c assig n the IP addr esses in different do mains to different groups. Each group acts as an inde[...]

Chapter 24 In te r fac e Gr ou p P-2812HNU-51c User’s Guide 354 In the following example, the cl ient th at sends packets with the source MAC address 00:19:cb:01:23:45 is assigned the IP addres s 192.168.2.2 and uses the WAN i nterface ptm0_2. Figure 178 Interface Grouping Application Click Advanced Setup > Interface Group to open the followin[...]

Chapter 24 Interface Group P-2812HNU-51c User’s Guide 355 24.2.1 Interface Group Configuration Click the Add butt on in the Interface Group screen to open the following screen. Use this screen to creat e a new interface group . Note: An interface can belong to a group only . Figure 180 Interface Group Configuration Rem o v e Click the Remove icon[...]

Chapter 24 In te r fac e Gr ou p P-2812HNU-51c User’s Guide 356 The following table describes t he fields in this screen. 24.2.2 Interface Grouping Criteria Click the Add button in the Interface Grouping Configuration screen to open the following screen. Figure 181 Interface Grouping Criteria T able 125 Interface Group Configuration LABEL DESCRIP[...]

Chapter 24 Interface Group P-2812HNU-51c User’s Guide 357 The following table describes t he fields in this screen. T able 126 Interface Grouping Criteria LABEL DESCRIPTION Source MAC Address Enter the source MAC address of the packet. DHCP Option 60 Select this option and enter the V endor Class Identifier (Option 60) of the matched traffic, suc[...]

Chapter 24 In te r fac e Gr ou p P-2812HNU-51c User’s Guide 358[...]

P-2812HNU-51c User’s Guide 359 C HAPTER 25 E-mail Notification 25.1 Overview A mail serv er is an application or a comp uter that runs such an applicati on to receive, forw ard and deliver e-mail messages. T o have the P-2812HNU-51c send reports, logs or notificati ons via e-mail, y ou must specify an e-mail serv er and th e e-mail addre sses of [...]

Chapter 25 E-mail Notification P-2812HNU-51c User’s Guide 360 The following table describes t he labels in this screen. 25.2.1 Email Notification Edit Click the Add button in the Email Notification screen. Use this screen to configure the required information for sending e-mail via a mail server . Figure 183 Email Notification > Add T able 127[...]

Chapter 25 E-mail Notification P-2812HNU-51c User’s Guide 361 The following table describes t he labels in this screen. T able 128 Email Notification > Add LABEL DESCRIPTION Req ui r e s T L S Select this option to enable SSL/ TLS authentication. If mail server authentication is needed but this fe ature is disabled, you will not receive e-mail[...]

Chapter 25 E-mail Notification P-2812HNU-51c User’s Guide 362[...]

P-2812HNU-51c User’s Guide 363 C HAPTER 26 System Settings 26.1 Overview This chapter shows you how to configure system related settings, suc h as system time, password, name, the domain name an d the inactivity timeout interv al. 26.1.1 What Y ou Can Do in this Chapter •T h e General screen lets you configure system sett ings ( Section 26.2 on[...]

Chapter 26 System Settings P-2812HNU-51c User’s Guide 364 The following table describes t he labels in this screen. 26.3 The T ime Setting Screen T o change your P-28 12HNU-51c’ s time and date, c lick Maintenance > Sys tem > Time Setting . The screen appears as shown. Use this screen to configure the P- 2812HNU-51c’ s time based on you[...]

Chapter 26 System Settings P-2812HNU-51c User’s Guide 365 The following table describes t he fields in this screen. T able 130 Maintenance > System > T ime Setting LABEL DESCRIPTION Current Time Current Time This field displays the time of your P-2812HNU-51c. Each time you reload this page, the P-2812HNU-51c synchronizes the time with the t[...]

Chapter 26 System Settings P-2812HNU-51c User’s Guide 366[...]

P-2812HNU-51c User’s Guide 367 C HAPTER 27 Logs 27.1 Overview This chapter contains information abou t configuring general log set tings and viewing the P-2812HNU-51c’ s logs. The web configurator allows y ou to choos e which categories of events and/o r alerts to have the P-2812HNU-51c log and then display the logs or ha v e the P- 2812HNU-51c[...]

Chapter 27 L ogs P-2812HNU-51c User’s Guide 368 The log wr aps around and deletes the old ent ries after it fills. Figure 186 Maintenance > L ogs > View Lo g The following table describes t he fields in this screen. 27.3 The Log Settings Screen Use the Log Settings screen to config ure to where the P-2812HNU-51c is to send logs and which lo[...]

Chapter 27 Logs P-2812HNU-51c User’s Guide 369 T o change your P-2812HNU-51c’ s log settings, clic k Maintenance > Logs > Log Settings . The screen appears as shown. Figure 187 Maintenance > L ogs > Log Settings The following table describes t he fields in this screen. T able 132 Maintenance > Logs > Log Settings LABEL DESCRIP[...]

Chapter 27 L ogs P-2812HNU-51c User’s Guide 370[...]

P-2812HNU-51c User’s Guide 371 C HAPTER 28 Tools Do not interrupt the file tr ansfer process as this may PERMANENTL Y DAMAGE your P-2812HNU-51c. 28.1 Overview This chapter explains how to upload new firmware, manage confi guration files and restart your P-2812HNU-51c. Use the instructions in this chapter to ch ange the device’ s configuration f[...]

Chapter 28 To ols P-2812HNU-51c User’s Guide 372 28.2 The Firmware Screen Click Maintenance > T ools to open the Firmware screen. Follow the instructions in this screen to upload fi rmware to y our P-2812HNU-51c. The upload process uses HT TP (Hypertext T ransfer Prot ocol) and may take up to two minutes. After a successful upload, the system [...]

Chapter 28 Tools P-2812HNU-51c User’s Guide 373 After you see the Firmware Upload in Progress screen, wait two minutes before logging into the P-2812HNU-51c again. Figure 189 Firmware Upload In Progre ss The P-2812HNU-51c automatically restart s in this time causing a tempor ary network disconnect. In some oper ating sy stems, you may see the fol[...]

Chapter 28 To ols P-2812HNU-51c User’s Guide 374 28.3 The Configuration Screen Click Maintenance > Tools > Configurat ion . Information related to factory defaults, backup configuration, and restor ing configuration appears in this screen, as shown next. Figure 192 Maintenance > T ools > Configuration Backup Configuration Backup Confi[...]

Chapter 28 Tools P-2812HNU-51c User’s Guide 375 Restore Configuration Re store Configur ation allows yo u to upload a new or previously saved configur ati on file from your computer to your P-2812HNU-51c. Do not turn off the P-2812HNU-51c wh ile configuration file upload is in progress. After you see a “restore configuration successf ul” scre[...]

Chapter 28 To ols P-2812HNU-51c User’s Guide 376 If the upload w as not successful, th e follo wing sc reen will appear . C lick Tools > Configuration to go back to the Configuration screen. Figure 195 Configuratio n Upload E rror Reset to Factory Default s Click the Reset button to clear all user-enter ed configur ation information and return[...]

Chapter 28 Tools P-2812HNU-51c User’s Guide 377 Click Maintenance > Too ls > Restart . Click Restart to have the P-2812HNU- 51c reboot. Thi s does not affect the P-2812HNU-51c's confi guration. Figure 197 Maintenance > T ools >Restart[...]

Chapter 28 To ols P-2812HNU-51c User’s Guide 378[...]

P-2812HNU-51c User’s Guide 379 C HAPTER 29 Diagnostic 29.1 Overview The Diagnostic screens display information to hel p you identify problems wi th the P-2812HNU-51c. The route between a CO VDSL switch and one of its CPE may go through switches owned by independent organizations. A co nnect ivity fault point generally tak es time to discover and [...]

Chapter 29 Diagnostic P-2812HNU-51c User’s Guide 380 • Loopback test - checks if the MEP port receives it s Loop Back R esponse (LBR) from its target after it sends the Loop Back Message (LBM). If no response is received, there might be a conn ectivity f a ul t b e t wee n them. • Link trace t est - provides addit ional connectivity faul t an[...]

Chapter 29 Diagnostic P-2812HNU-51c User’s Guide 381 29.4 The 802.1ag Screen Click Diagnosti c to open the followi ng screen. Use this screen to perform CFM actions. Figure 199 802.1ag The following table describes t he fields in this screen. T able 136 Maintenance > Diagnostic > 802.1ag LABEL DESCRIPTION 802.1ag Connectivity Fa u l t Manag[...]

Chapter 29 Diagnostic P-2812HNU-51c User’s Guide 382 Maintenance Association (MA) Name T ype a name of up to 39 printable English keyboard characters for this MA. The combined length of the MD Na me and MA name must be less or equal to 44byte s. Maintenance Association (MA) For m a t Select the format which the P-2812HNU-51c uses to send this MA [...]

Chapter 29 Diagnostic P-2812HNU-51c User’s Guide 383 29.5 The OAM Ping T est Screen Click Maintenance > Diagnostic > OAM Ping Test to open the screen shown next. Use this screen to perform an OAM (Operation, Administr ation and M a i n t e n a n c e ) F 4 o r F 5 l o o p b a c k t e s t o n a P V C . T h e P - 2 8 1 2 H N U - 5 1 c s e n d [...]

Chapter 29 Diagnostic P-2812HNU-51c User’s Guide 384 w h i c h t e r m i n a t e s a V P o r V C s e g m e n t . E n d-to-end flows are terminated at the end point of a VP or VC conn ection, where an A T M link is terminated. Segment loopback tests allow y ou to verify integrit y of a PVC to the nearest neighboring A T M de vice. End -to - e n d [...]

P-2812HNU-51c User’s Guide 385 C HAPTER 30 Troubleshooting This chapter offers some suggesti ons to solv e problems y ou might encounter . The potential problems are divided into the following categories . • P ower , Hardware Connections, and LEDs • P-2812HNU-51c Access and Login • Internet Access • Phone Calls and VoIP • USB Device Con[...]

Chapter 30 Tro u blesh oo tin g P-2812HNU-51c User’s Guide 386 One of the LEDs does not behave as expected. 1 Make sure you understand the n ormal behavior of the LED. See Section 1.6 on page 30 . 2 Check the hardware connections. See the Quick Start Guide. 3 Inspect your cables for damage. Cont act the vendor to replace any damaged cables. 4 T u[...]

Chapter 30 Troubleshooting P-2812HNU-51c User’s Guide 387 I cannot see or access the Login screen in the web configurator . 1 Make sure you are using t he correct IP address. • The default IP address is 192.168.1.1 . • If you changed t he IP address ( Section on page 144 ), use the new IP address. • If you c hanged the IP address and have f[...]

Chapter 30 Tro u blesh oo tin g P-2812HNU-51c User’s Guide 388 I cannot T elnet to the P-2812HNU-51c. See the troubleshooting suggestions for I cannot see or access the Login screen in the web configu rator . Ignore the suggestions about y our browser . I cannot use FTP to upload / download the configuration fi le. / I cannot use FTP to upload ne[...]

Chapter 30 Troubleshooting P-2812HNU-51c User’s Guide 389 5 If the problem continues, contac t your ISP . I cannot access the Inter net through a DSL connection. 1 Check if you set the DSL/WAN switch (on the back of the P- 2812HNU-51c) to the DSL side to have the P-2812HNU-51c use t he DSL port for Internet access. 2 Make sure you configured a pr[...]

Chapter 30 Tro u blesh oo tin g P-2812HNU-51c User’s Guide 390 Y our layer-2 interface must be in VLAN MU X Mode or MSC mode to create multi ple WAN serivces for each conne ction. I cannot access the Internet anymore. I had access to the Inte rnet (with the P- 2812HNU-51c), but my Internet connec tion is not ava ilable anymore. 1 Check the hardwa[...]

Chapter 30 Troubleshooting P-2812HNU-51c User’s Guide 391 30.4 Phone Calls and V oIP The telephone port won’t work or the te lephone lacks a dial tone. 1 Check the telephone connections and telephone wire. 2 Make sure you have the VoIP > SIP Account and SIP Service Provider screens properly configured. The PHONE light should be on when the S[...]

Chapter 30 Tro u blesh oo tin g P-2812HNU-51c User’s Guide 392 30.6 Wireless LAN T roubleshooting I cannot access the P-2812HNU-51c or pi ng any computer from the WLAN (wireless AP or router). 1 Make sure the wirel ess LAN is enabled on the P-2812HNU- 51c. 2 Make sure the wir eless adap te r on the wireless station is working properly . 3 Make su[...]

Chapter 30 Troubleshooting P-2812HNU-51c User’s Guide 393 1 Disconnect the Ethernet ca ble from the P-2812HNU-51c’ s LAN port or from y our computer . 2 Re- c o n ne ct t h e E t hernet cable. The Local Area Connection icon for UPnP disappears in the screen. Re start your computer . I cannot open special applicat ions such as wh ite board, file[...]

Chapter 30 Tro u blesh oo tin g P-2812HNU-51c User’s Guide 394[...]

P-2812HNU-51c User’s Guide 395 C HAPTER 31 Product Specifications The following tables summarize the P-2812HNU-51c’ s hardware and firmw are features. 31.1 Hardware S pecifications T able 138 Hardware Specifications Dimensions 240 (W) x 170 (D) x 60 (H) mm We i g h t 420 g P ower Specification 12 V D C 2A Built-in S witch Four auto-negotiating,[...]

Chapter 31 Product Specifications P-2812HNU-51c User’s Guide 396 31.2 Firmware S pecifications T able 139 Firmware Specifications Default IP Address 192.168.1 .1 Default Subnet Mask 255.255.255.0 (24 bits) Default User Name admin Default P assword 1234 DHCP Server IP P ool 192.168.1.33 to 192.168.1.1 32 Static Routes 16 Device Management Use the [...]

Chapter 31 Product Specifications P-2812HNU-51c User’s Guide 397 QoS (Quality of Service) Y ou can efficiently manage traffic on your network by reserving bandwidth and giving priority to certain types of traffic and/or to particular computers. R emote Management This allows y ou to decide whether a service (HT TPS or FTP traffic for example) fro[...]

Chapter 31 Product Specifications P-2812HNU-51c User’s Guide 398 ADSL Standards Multi-Mode standard (ANSI T1.413,Issue 2; G.dmt(G.992.1); G.lite(G992.2)) ADSL2 G.dmt.bis (G.992.3) ADSL2 G.lite.bis (G.992.4) ADSL2+ (G.992.5) R e ach-Extend e d AD SL (RE AD SL ) SRA (Seamless R ate Adaptation) Auto-negotiating rate adaptation ADSL physical connecti[...]

Chapter 31 Product Specifications P-2812HNU-51c User’s Guide 399 The following list, which is not exhaust ive , illust rates the standards supported in the P-2812HNU-51c. T able 140 Standards Supported ST ANDARD DESCRIPTION RFC 1058 RIP-1 (R outing Information Protocol) RFC 1112 IGMP v1 RFC 1157 SNMPv1: Simple Network Management Protocol version [...]

Chapter 31 Product Specifications P-2812HNU-51c User’s Guide 400[...]

P-2812HNU-51c User’s Guide 401 A PPENDIX A Network T roubleshooting Overview The three most basic utilities for troubles hooting network connection issues are: ipconfig , ping and tracert . This appendix giv e s a quick o verview of them as well as some common usage examples. More over , three slightly more advanced utilities are also discuss ed:[...]

Appendix A Network Troubleshooting P-2812HNU-51c User’s Guide 402 Note: Most operating systems ship with TCP/IP already inst alled and enabled. See your Windows document ation for det ails on installing or co nfiguring TCP/IP . The Command Line Interface T o open the Windows command line interface: 1 Click Start > Run . 2 In the Run dialog bo [...]

Appendix A Network Troubleshooting P-2812HNU-51c User’s Guide 403 For example, the date command has the optional /t and date par ameters . If you do not use either of them and enter just date by itself , then the system shows you the dat e it is curren tl y using and t h en prompts you to cha nge it. Howev e r , if y o u use the /t parameter it j[...]

Appendix A Network Troubleshooting P-2812HNU-51c User’s Guide 404 Here you can see that the device has IP address of 1.1.1.1 and example.com is its Domain Name Server (DNS). If the device is disconnected then y ou would see the following instead: If the device is connected but cannot get an IP address then you would see: I n s o m e c a s e s , y[...]

Appendix A Network Troubleshooting P-2812HNU-51c User’s Guide 405 ping The ping command line utility allows you to verify the connection and latency between your computer and either the P-2812HNU-51c or othe r devices on the network. If you cannot reach a target us ing this command, then it may indi cate possible network trouble. Syntax : ping ta[...]

Appendix A Network Troubleshooting P-2812HNU-51c User’s Guide 406 If your ping test fails to get a response, then you ma y see a message lik e this: When a request ti mes out it may mean: • your computer is not connected to the network • your Internet access device is not connected to the network • or the device which you are pinging i s no[...]

Appendix A Network Troubleshooting P-2812HNU-51c User’s Guide 407 tracert The tracert command line utility allows y ou to determine the network path between your computer and a host you specify . When you communicate with other devices on a ne two rk, the data i s no t often sent di rec t ly from p oi nt A t o point B; r ather , it move s through[...]

Appendix A Network Troubleshooting P-2812HNU-51c User’s Guide 408 The following examples show the ty pical output of this command: Here, the tracert to www.example.com took 18 ho ps to reach it s destination . Looking at the latency data, you’ll see the first slow down happens at hop 10. The extremely low latency on the first few hops indicates[...]

Appendix A Network Troubleshooting P-2812HNU-51c User’s Guide 409 In this example, we abridge the tracert results table to show only server IP addresses and not domain names by using t he -d parameter . W e also use the -h parameter to limit the number of hops to 5 to test local connections only . arp Local network tr ansmission is based on MAC a[...]

Appendix A Network Troubleshooting P-2812HNU-51c User’s Guide 410 T o check the ARP table on a Windows XP computer: 1 Click Start > Programs > Accessories > Command Prompt . The Command Prompt screen appears. 2 Ty p e arp -a and press [Enter] . The following examples show the typical outpu t of this c ommand: In this example, the Physica[...]

Appendix A Network Troubleshooting P-2812HNU-51c User’s Guide 41 1 and other route information. When your c omputer wants to access an IP address on another network, it references this table. Syntax : route print Parameters : F or the purposes of this section, the print par ameter is the most importan t. If you enter route by itself , the command[...]

Appendix A Network Troubleshooting P-2812HNU-51c User’s Guide 412 In this example, the 172.16.1.0 is the network address. The 172.16.1.32 is t he address of the local computer . 172.16.1.255 is the network broadcast address which sends broadcast p ackets to all computers on the 172. 16.1.x network. 172.16.1.254 is the default gatew ay . Y ou may [...]

Appendix A Network Troubleshooting P-2812HNU-51c User’s Guide 413 net st at The netstat command line utility is used to show Et hernet statistics and current TCP/IP network connections. Syntax : netstat With no par ameters, this command si mply displays only activ e statistics for ports that are currently in use by one process or another . Parame[...]

Appendix A Network Troubleshooting P-2812HNU-51c User’s Guide 414 Use the -a par amet er to display all possible connections to your device, not just the ones that are currently in use: The following table describes t he thre e entries in the output example above: C:>netstat -a Active Connections Proto Local Address Fore ign Address State TCP[...]

Appendix A Network Troubleshooting P-2812HNU-51c User’s Guide 415 Additionally , you can use netstat -e to display Etherne t statist ics as the fol lowing example. C: >netstat -e Interface Statistics Received Sent Bytes 25250033 7060325 Unicast packets 38838 34744 Non-unicast packets 38227 175 Discards 0 0 Errors 0 35 Unknown protocols 787[...]

Appendix A Network Troubleshooting P-2812HNU-51c User’s Guide 416[...]

P-2812HNU-51c User’s Guide 417 A PPENDIX B Setting Up Y our Computer ’ s IP Address Note: Y our specific P-2812HNU-51c may not support all of the operating systems described in this appendix. See the produc t specifications for mo re information about which operating systems are sup ported. This appendix shows you how to conf igure the IP setti[...]

Appendix B Se tting Up Your Computer’s IP Addres s P-2812HNU-51c User’s Guide 418 Windows XP/NT/2000 The following example us es the default Windows XP displa y theme but can al so apply to Wind ows 2000 and Windows NT . 1 Click Start > Control Panel . 2 In the Control Panel , click the Network Connections icon.[...]

Appendix B Setting Up Your Computer’s IP Address P-2812HNU-51c User’s Guide 419 3 Right- click Local Area Connection and then select Properties . 4 On the General tab, select Internet Protocol (TCP/IP) and then click Properties .[...]

Appendix B Se tting Up Your Computer’s IP Addres s P-2812HNU-51c User’s Guide 420 5 The Internet Protocol TCP/IP Properties window opens. 6 Select Obtain an IP address automatically if your network admi nistrator or ISP assigns your IP addres s dynamically . Select Use the following IP Address and fill in the IP address , Subnet mask , and Defa[...]

Appendix B Setting Up Your Computer’s IP Address P-2812HNU-51c User’s Guide 421 Windows V ist a This section shows screens from Windows Vista Professional. 1 Click Start > Control Panel . 2 In the Control Panel , click the Network and Internet icon. 3 Click the Network and Sharing Center icon.[...]

Appendix B Se tting Up Your Computer’s IP Addres s P-2812HNU-51c User’s Guide 422 4 Click Manage network conne ctions . 5 Right- click Local Area Connection and then select Properties . Note: During this procedure, click Continue whenever Windo ws displays a screen saying that it needs your pe rmission to continue.[...]

Appendix B Setting Up Your Computer’s IP Address P-2812HNU-51c User’s Guide 423 6 Select Internet Protocol Version 4 (TCP/IPv4) and then select Properties .[...]

Appendix B Se tting Up Your Computer’s IP Addres s P-2812HNU-51c User’s Guide 424 7 The Internet Protocol Versio n 4 (TCP/IPv4) Properties window opens. 8 Select Obtain an IP address automatically if your network admi nistrator or ISP assigns your IP addres s dynamically . Select Use the following IP Address and fill in the IP address , Subnet [...]

Appendix B Setting Up Your Computer’s IP Address P-2812HNU-51c User’s Guide 425 V erifying Settings 1 Click Start > Al l Programs > Accessories > Command Prompt . 2 In the Command Prompt window , type "ipconfi g" and then press [ENTER]. Y ou can also go to Start > Control Panel > Network Connections , right-click a netw[...]

Appendix B Se tting Up Your Computer’s IP Addres s P-2812HNU-51c User’s Guide 426 3 Click Change adapter settings . 4 Double c lick Local Area Connection and then select Properties . Note: During this procedure, click Continue whenever Windo ws displays a screen saying that it needs your pe rmission to continue.[...]

Appendix B Setting Up Your Computer’s IP Address P-2812HNU-51c User’s Guide 427 5 Select Internet Protocol Version 4 (TCP/IPv4) and then select Properties .[...]

Appendix B Se tting Up Your Computer’s IP Addres s P-2812HNU-51c User’s Guide 428 6 The Internet Protocol Versio n 4 (TCP/IPv4) Properties window opens. 7 Select Obtain an IP address automatically if your network admi nistrator or ISP assigns your IP addres s dynamically . Select Use the following IP Address and fill in the IP address , Subnet [...]

Appendix B Setting Up Your Computer’s IP Address P-2812HNU-51c User’s Guide 429 V erifying Settings 1 Click Start > Al l Programs > Accessories > Command Prompt . 2 In the Command Prompt window , type "ipconfi g" and then press [ENTER]. 3 The IP settings are display ed as follows. Mac OS X: 10.3 and 10.4 The screens in this s[...]

Appendix B Se tting Up Your Computer’s IP Addres s P-2812HNU-51c User’s Guide 430 2 In the System Preferences window , click the Network icon. 3 When the Network preferences pane opens, select Built-in Ethernet from the network connection type list, and then click Configure.[...]

Appendix B Setting Up Your Computer’s IP Address P-2812HNU-51c User’s Guide 431 4 For d ynamically assigned settings, select Using DHCP from the Configure IPv4 list in the TCP/IP tab. 5 For s tatically assigned settings, do t he following: •F r o m t h e Configure IPv4 list, se lect Manually . •I n t h e IP Address field, type y our IP addr[...]

Appendix B Se tting Up Your Computer’s IP Addres s P-2812HNU-51c User’s Guide 432 V erifying Settings Check your TCP/IP properties by clicking Applications > Utilities > Network Utilities , and then selecting the appropriat e Network Interface from the Info tab. Figure 203 Mac OS X 10.4: Network Utility Mac OS X: 10.5 and 10.6 The screens[...]

Appendix B Setting Up Your Computer’s IP Address P-2812HNU-51c User’s Guide 433 2 In System Preferences , click the Net work icon. 3 When the Network preferences pane opens, select Ethe rnet from the list of available conn ecti on ty pes. 4 From the Configure lis t, sele ct Using DHCP for dynamically assigned settings.[...]

Appendix B Se tting Up Your Computer’s IP Addres s P-2812HNU-51c User’s Guide 434 5 For s tatically assigned settings, do t he following: •F r o m t h e Configure list, select Manually . •I n t h e IP Address field, enter yo ur IP address. •I n t h e Subnet Mask field, enter your subnet mask. •I n t h e Router field, enter the IP addres[...]

Appendix B Setting Up Your Computer’s IP Address P-2812HNU-51c User’s Guide 435 V erifying Settings Check your TCP/IP properties by clicking Applications > Utilities > Network Utilities , and then selecting the appropriat e Network interface from the Info tab. Figure 204 Mac OS X 10.5: Network Utility Linux: Ubuntu 8 (GNOME) This section [...]

Appendix B Se tting Up Your Computer’s IP Addres s P-2812HNU-51c User’s Guide 436 Fol low the steps below to configure y o ur computer IP addres s in GNOME: 1 Click System > Administration > Network . 2 When the Network Settings wi ndow opens, click Unl ock to open the Authenticate window . (By default, the Unloc k button is greyed out un[...]

Appendix B Setting Up Your Computer’s IP Address P-2812HNU-51c User’s Guide 437 3 In the Authenticate window , enter your admin a ccount name and password then click the Authenticate button. 4 In the Network Settings window , select the connection that you wa nt to configure, then click Properties .[...]

Appendix B Se tting Up Your Computer’s IP Addres s P-2812HNU-51c User’s Guide 438 5 The Properties dialog box opens. •I n t h e Configuration list, se le ct Automatic Configuration (DHCP) if you have a dynamic IP address. •I n t h e Configuration list, select S tatic IP addr ess if you have a static IP address. Fill in the IP address , Subn[...]

Appendix B Setting Up Your Computer’s IP Address P-2812HNU-51c User’s Guide 439 V erifying Settings Check your T CP/IP properties by clicking System > Administration > Network Tools , and then selecting the appropriate Network device from the Devices tab. The Interface Statistics column shows data if your connection is working properly . [...]

Appendix B Se tting Up Your Computer’s IP Addres s P-2812HNU-51c User’s Guide 440 Linux: openSUSE 10.3 (KDE) This section shows y ou how to configure y o ur computer’s T CP/IP settings in the K Desktop Environment (KDE) using the openSUSE 10.3 Linux distribution. The procedure, screens and file locations may vary depend i ng on your specific [...]

Appendix B Setting Up Your Computer’s IP Address P-2812HNU-51c User’s Guide 441 3 When the YaST Contro l Center window opens, select Network Devices and then clic k the Network Card icon. 4 When the Network Settings window opens, click the Overview tab, select the appropriate connection Name from the list, and then c lick the Co nfigure button.[...]

Appendix B Se tting Up Your Computer’s IP Addres s P-2812HNU-51c User’s Guide 442 5 When the Network Card Setup window opens, click the Address tab Figure 206 openSUSE 10.3: Ne twork Card Setup 6 Select Dynamic Address (DHCP) if you ha ve a dynamic IP add ress. Select Statically assigned IP Address if y ou ha ve a static IP address. Fill in the[...]

Appendix B Setting Up Your Computer’s IP Address P-2812HNU-51c User’s Guide 443 8 If you know yo ur DNS server IP address(es), click the Hostname/DNS tab in Network Settings and then enter the DNS server informat ion in the fields provided. 9 Click Finish to sa ve your settings and close the window . V erifying Settings Click the KNetwork Manag[...]

Appendix B Se tting Up Your Computer’s IP Addres s P-2812HNU-51c User’s Guide 444 When the Connection Statu s - KNetwork Manager window opens, click the Statistics tab to see if your connecti on is working properly . Figure 208 openSUSE: Connection S tatus - KNetwork Manager[...]

P-2812HNU-51c User’s Guide 445 A PPENDIX C Pop-up Windows, JavaScript s and Java Permissions In order to use the web configurator you need to allow: • W eb browser pop-up wind ows from your device. • Jav aScripts (enabled by default). • Jav a permissions (enabled by default). Note: Internet Explorer 6 screens are used here . Screens for oth[...]

Appendix C Pop-up Windows, JavaScripts and Java Permissions P-2812HNU-51c User’s Guide 446 1 In Internet Explorer , select Tools , Internet Options , Privacy . 2 Clear the Block pop-ups check box in the Pop-up Blocker sect ion of the screen. This disables an y web pop-up block ers you may have enabled. Figure 210 Internet Options: Privacy 3 Click[...]

Appendix C Pop-up Windows, JavaScripts and Java Per missio ns P-2812HNU-51c User’s Guide 447 2 Select Settings… to open the Pop-up Blocker Settings screen. Figure 21 1 Internet Options: Privacy 3 T ype the IP address of y our device (the web page that you do not want to have blocked) wi th the prefix “http://” . F or example, http:// 192.16[...]

Appendix C Pop-up Windows, JavaScripts and Java Permissions P-2812HNU-51c User’s Guide 448 4 Click Add to mo ve the IP address to the list of Allowed sites . Figure 212 Pop-up Blo cker Settings 5 Click Close to return to the Privacy screen. 6 Click Apply to save this setting. JavaScript s If pages of the web configur ator do not display properly [...]

Appendix C Pop-up Windows, JavaScripts and Java Per missio ns P-2812HNU-51c User’s Guide 449 1 In Internet Explorer , click Tools , Internet Options and then the Security tab. Figure 213 Internet Options: Secu rity 2 Click the Custom Level... button . 3 Scroll down to Scriptin g . 4 Under Active scripting make sure that Enable is selected (the de[...]

Appendix C Pop-up Windows, JavaScripts and Java Permissions P-2812HNU-51c User’s Guide 450 6 Click OK to close the window . Figure 214 Security Settings - Java Scripting Java Permissions 1 From Internet Explorer , click Tools , Inter net Options and then the Se curity tab. 2 Click the Custom Level... button . 3 Scroll down to Microsoft VM . 4 Und[...]

Appendix C Pop-up Windows, JavaScripts and Java Per missio ns P-2812HNU-51c User’s Guide 451 5 Click OK to close the window . Figure 215 Security Settings - Java JA V A (Sun) 1 From Internet Explorer , click Tools , Inter net Options and then the Ad vanced tab. 2 Make sure that Use Java 2 for <applet> under Java (S un) is selected.[...]

Appendix C Pop-up Windows, JavaScripts and Java Permissions P-2812HNU-51c User’s Guide 452 3 Click OK to close the window . Figure 216 Java (Sun) Mozilla Firefox Mozilla Firefo x 2.0 screens are used here . Screens for other versions ma y vary . Y ou can enable Java, Javascript s and pop-ups in one screen. Click Tools, then click Options in the s[...]

Appendix C Pop-up Windows, JavaScripts and Java Per missio ns P-2812HNU-51c User’s Guide 453 Click Content .to show the screen below. Select the chec k boxes as shown in the following screen. Figure 218 Mozilla Firefox Content Security[...]

Appendix C Pop-up Windows, JavaScripts and Java Permissions P-2812HNU-51c User’s Guide 454[...]

P-2812HNU-51c User’s Guide 455 A PPENDIX D IP Addresses and Subnetting This appendix introduces IP addresses and subnet masks. IP addresses identify indi vidual devices on a network. Every networking device (including computers, serv ers, routers, printers, etc.) needs an IP address to communicate across the netw ork. These networking devices are[...]

Appendix D IP Addresses a nd Subnetting P-2812HNU-51c User’s Guide 456 The following figure shows an example IP address in which the first three octets (192.168.1) are the network number , and the fourth octet (16) is the host ID. Figure 219 Network Number and Host ID How much of the IP address is the networ k number and how much is the host ID v[...]

Appendix D IP Addresses and Subnetting P-2812HNU-51c User’s Guide 457 By conv ention, subnet masks alw ays cons ist of a continuous sequence of ones beginning from the leftmost bit of the mask, followed by a continuous sequence of zeros, for a total number of 32 bits. Subnet masks can be referred to by the size of the network number part (the bit[...]

Appendix D IP Addresses a nd Subnetting P-2812HNU-51c User’s Guide 458 Not ation Since the mask is alw ays a continuo us number of ones beginning f rom the left, followed by a continuous number of zeros for the remainder of the 32 bit mask, you can simply specif y the number of ones instead of writing the v alue of each octet. Th is is us ua lly [...]

Appendix D IP Addresses and Subnetting P-2812HNU-51c User’s Guide 459 The following figure shows the company network before subnetting. Figure 220 Subnetting Example: Before Subnetting Y ou can “borrow” one of the host ID bits to divide the network 192.168.1.0 into two separate sub-networks. The subnet mask is now 25 bits (25 5.255.255.128 or[...]

Appendix D IP Addresses a nd Subnetting P-2812HNU-51c User’s Guide 460 In a 25-bit subnet the host ID has 7 bits , so each sub-net work has a maximum of 2 7 – 2 or 126 possibl e hosts (a host ID of all zeroes is the subnet’ s address itself , all ones is the subnet’ s broadcast address). 192.168.1.0 with mask 255.255.255.128 i s subnet A it[...]

Appendix D IP Addresses and Subnetting P-2812HNU-51c User’s Guide 461 Example: Eight Subnet s Similarly , use a 27-bit mask to create eight subnets (000, 001, 010, 011, 100, 101, 110 and 111). The following table shows IP address last octet values for each sub net. T able 149 Subnet 3 IP/SUBNET MASK NETWORK NUMBER LAST OCTE T BIT VA L U E IP Addr[...]

Appendix D IP Addresses a nd Subnetting P-2812HNU-51c User’s Guide 462 Subnet Planning The following table is a summary for subnet planning on a network with a 24-bit network number . The following table is a summary for subnet planning on a network with a 16-bit network number . Configuring IP Addresses Where you obtain your network number depen[...]

Appendix D IP Addresses and Subnetting P-2812HNU-51c User’s Guide 463 addresses, follow their instructions i n selecting th e IP addresse s and the sub n et mask. If the ISP did not explicitly give you an IP network nu mber , then most lik ely you have a single user account and the ISP will assign you a dynamic IP address when the connection is e[...]

Appendix D IP Addresses a nd Subnetting P-2812HNU-51c User’s Guide 464 IP Address Conflict s Each device on a network must ha ve a un ique IP address. Device s with duplic at e IP addresses on the same network will not be able to access the Internet or ot her resources. The devices may also be unreachab le through the network. Conflicting Compute[...]

Appendix D IP Addresses and Subnetting P-2812HNU-51c User’s Guide 465 following example, the LAN and W AN are on the same subnet. The LAN computers cannot access the Internet because the router cannot route between networks. Figure 223 Conflictin g Router IP Addresses Example Conflicting Computer and R outer IP Addresses Example More than one dev[...]

Appendix D IP Addresses a nd Subnetting P-2812HNU-51c User’s Guide 466[...]

P-2812HNU-51c User’s Guide 467 A PPENDIX E W ireless LANs Note: Y our specific P-2812HNU-51c may not su pport all of the wireless security types described in this appendix. See the produc t specifications for mo re information about which wireless security types are supporte d. Wireless LAN T opologies This section discuss es ad-hoc and infr astr[...]

Appendix E Wirele ss LA Ns P-2812HNU-51c User’s Guide 468 Intra-BS S traffic is traffic between wirele ss clients in the BS S. When Intra-BS S is enabled, wireless client A and B can access the wired network and communicate with each other . When Intr a-BSS is d isabled, wireless client A and B can still access the wired network but cannot commun[...]

Appendix E Wir eless LANs P-2812HNU-51c User’s Guide 469 An ESSID (ES S IDentification) uniquely id entifies each ESS . All access points and their associated wirel ess clients within the same ESS must have the same ESSID in order to comm u nicate. Figure 227 Infrastructure WLAN Channel A channel is the r adio frequency(i es) used by wireless dev[...]

Appendix E Wirele ss LA Ns P-2812HNU-51c User’s Guide 470 hidden node. Both stations (ST A) are with in range of the access point (AP) or wireless gatewa y , but out -of- range of ea ch other , so t hey ca nnot "hear" e ac h other , that is they do not know if the channel is currently being used. Therefore, they are consider ed hi dden [...]

Appendix E Wir eless LANs P-2812HNU-51c User’s Guide 471 Fragment ation Threshold A Fragmentation Threshold is the maximum data fr agment size (between 256 and 2432 bytes) that can be sent in th e wireless network before the AP will fragment the packet into smaller dat a frames. A large Fragmentation Threshold is recommended for networks not pron[...]

Appendix E Wirele ss LA Ns P-2812HNU-51c User’s Guide 472 sever al intermediate rate steps between the maximum and minimum data r ates. The IEEE 802.11g data rate and modulation are as follows: Wireless Security Overview Wireless security is vital to your ne twork to protect wireless communication between wireless client s, ac ce ss points and t [...]

Appendix E Wir eless LANs P-2812HNU-51c User’s Guide 473 accounting and control features. It is su pported by Windows XP and a number of network devices. Some advantages of IEEE 802.1x are: • User based identification that allows fo r roaming. • Support for RADIUS (R emote Authentication Dial In User Service, R FC 2138, 2139) for central ized[...]

Appendix E Wirele ss LA Ns P-2812HNU-51c User’s Guide 474 The following types of RADIUS messages are exchanged between the access point and the RADIUS server for user accounting: •A c c o u n t i n g - R e q u e s t Sent by the ac cess point requesting accounting. • Accounting-R esponse Sent by the RADIUS server to indicate th at it has start[...]

Appendix E Wir eless LANs P-2812HNU-51c User’s Guide 475 authentication method does not support data encryption wi th dynamic session key . Y ou must configure WEP encry ption keys for d ata encryption. EAP-TLS (T ransport Layer Security) With EAP- TLS, digital certifications are n eeded by both the server and the wireless clients for mutu al aut[...]

Appendix E Wirele ss LA Ns P-2812HNU-51c User’s Guide 476 Note: EAP-MD5 cannot be used with Dynamic WEP Key Exchange For ad ded security , certificate-based au thenti cations (E AP- TLS, EAP- TTLS and PEAP) use dynamic keys for data encryption . They are often deployed in corporate environments, but for pub lic deployment, a simple user name and [...]

Appendix E Wir eless LANs P-2812HNU-51c User’s Guide 477 required for compatibility reasons, but offe rs stronger encryption t han TKIP with Advanced Enc ryption Standard (AES) in the Counter mode with Cipher block chaining Message authentication code Protocol (CCMP). TKIP uses 128-bit k eys that are dynami cal ly generated and d istributed by th[...]

Appendix E Wirele ss LA Ns P-2812HNU-51c User’s Guide 478 authentication. These two features are op tional and ma y not be supported in all wireless dev ices. K ey caching allows a wireless client to store th e PMK it deriv e d through a successful authentication wit h an AP . The wi reless client uses t he PMK when it tries to connect to the sam[...]

Appendix E Wir eless LANs P-2812HNU-51c User’s Guide 479 4 The RADIUS server distributes the PMK to the AP . The AP th en sets up a key hierarchy and management system, usin g the PMK to dynamica lly generate unique data encryption k eys. The k eys are used to encrypt every data packet that is wirelessly communicated bet ween the AP and the wirel[...]

Appendix E Wirele ss LA Ns P-2812HNU-51c User’s Guide 480 4 The AP and wireless clients use the TKIP or AES encryption process, the PMK and information exchanged in a handshake to create tempor al encryption keys. They use these keys to encrypt data exchanged between them. Figure 230 WP A(2)-PSK Authentication Security Parameters Summary Re fer t[...]

Appendix E Wir eless LANs P-2812HNU-51c User’s Guide 481 Antenna Overview An antenna couples RF signals onto air . A transmi tter within a wireless device sends an RF signal to the antenna, whic h propagates the signal through the air . The antenna also operates in reverse by capturing RF signals from the air . P ositioning the antennas properly [...]

Appendix E Wirele ss LA Ns P-2812HNU-51c User’s Guide 482 • Omni-directional antennas send the RF sign al out in all directions on a horizontal plane. The cover age area is torus-sh aped (like a donut) which makes these antennas ideal for a room environment. With a wide cove rage area, it is possible to make circular ov erlapping cov erage area[...]

P-2812HNU-51c User’s Guide 483 A PPENDIX F IPv6 Overview IPv6 (Internet Protocol version 6), is de signed to enhance IP address size and features. The increase in IPv6 address size to 128 bits (from t he 32-bit IPv4 address) allows up to 3.4 x 10 38 IP addresses. IPv6 Addressing The 128-bit IPv6 address is wri tten as ei ght 16-bit hexadec imal b[...]

Appendix F IPv6 P-2812HNU-51c User’s Guide 484 Link-local Address A link -local address uniquely identifies a device on the local ne twork (the LAN). It is similar to a “priv ate IP address” in IPv4. Y ou can have the same link -local address on multiple interfaces on a de vice. A link -local unicast address has a predefined prefix of fe80::/[...]

Appendix F IPv6 P-2812HNU-51c User’s Guide 485 The following table describes the multicas t addres ses which are reserved and can not be assigned to a multicast group. Subnet Masking Both an IPv6 address and IPv6 subnet mask compose of 128-bit binary digits, which are divided into eight 16-bit blocks and written in hexadecimal notation. Hexadecim[...]

Appendix F IPv6 P-2812HNU-51c User’s Guide 486 MAC address and complements the sev enth bit of the first byte of the MAC address. See the following example. St ateless Autoconfiguration With stateless autoconfigur ation in IPv6, addresses can be uniquely and automatically generated. Unlike DHCPv6 (Dynamic Host Configur ation Protocol version six)[...]

Appendix F IPv6 P-2812HNU-51c User’s Guide 487 Each IA must be associated with exactl y one interface. The DH CP clie nt uses the IA assigned to an interface to obtain configur ation from a DHCP server for that interface. Each IA consists of a uni q ue IAID and associated IP information. The IA type is the type of address in the IA. Each IA holds[...]

Appendix F IPv6 P-2812HNU-51c User’s Guide 488 multicast, the P-2812HNU-51c passes the IPv6 prefi x information to its LAN hosts. The hosts then can use the prefix to gener ate their IPv6 addresses. ICMPv6 Internet Control Message Protocol for IPv6 (ICMPv6 or ICMP for IPv6) is defined in RFC 4443. ICMPv6 has a preceding Next He ader value of 58, [...]

Appendix F IPv6 P-2812HNU-51c User’s Guide 489 also displays how to us e th e ipconfig command to see auto-generated IP addresses. IPv6 is installed and enabled by default in Windows Vista. Use the ipconfig command to check your aut omatic configured IPv6 address as well. Y ou should see at least one IPv6 address av ailabl e for the interface on [...]

Appendix F IPv6 P-2812HNU-51c User’s Guide 490 4 Double c lick Dibbler - a DHCPv 6 client . 5 Click Start and then OK . 6 Now your computer can obtain an IP v6 address from a DHCPv6 server . Example - Enabling IPv6 on Windows 7 Windows 7 supports IPv6 b y default. DHCP v6 is also enabled when you enable IPv6 on a Windows 7 computer . T o enable I[...]

Appendix F IPv6 P-2812HNU-51c User’s Guide 491 1 Select Control Panel > Network and Sharing Center > Local Area Connection . 2 Select the Internet Protocol Version 6 (TCP/IPv6) checkbox to enable it. 3 Click OK to sav e the change. 4 Click Close to exit the Local Area Connection Status screen. 5 Select Start > All Programs > Accessori[...]

Appendix F IPv6 P-2812HNU-51c User’s Guide 492 6 Use the ipconfig command to check your dynamic IPv6 address. This example shows a global address (2001:b021:2d::1000) obtained from a DHCP server . C:>ipconfig Windows IP Configuration Ethernet adapter Local Area Connecti on: Connection-specific DNS Suffix . : IPv6 Address. . . . . . . . . . . [...]

P-2812HNU-51c User’s Guide 493 A PPENDIX G Common Services The following table lists some commonl y-used services and their associated protocols and port numbers. F or a comprehe nsiv e list of p ort numbers, ICMP type/ code numbers and services , visit the IANA (Internet Assigned Number Authority) web site. • Name : This is a short, descrip ti[...]

Appendix G Com m o n Ser vice s P-2812HNU-51c User’s Guide 494 ESP (IPSEC_TUNNEL) User -Defined 50 The IPSEC ESP (Encapsulation Security Protocol) tunneling protocol uses this service. FINGER TCP 79 Finger is a UNIX or Internet related command that can be used to find out if a user is logged on. FTP TCP TCP 20 21 File T ransfer Program, a progr a[...]

Appendix G C ommon Ser vices P-2812HNU-51c User’s Guide 495 PPTP TCP 1723 Point -to-P oint T unneling Protocol enables secure transfer of data ov er public networks. This is the control channel. PPTP_TUNNEL (GRE) User -Defined 47 PPTP (P oint -to-Point T unneling Protocol) enables secure transfer of data over public networks. This is the data cha[...]

Appendix G Com m o n Ser vice s P-2812HNU-51c User’s Guide 496 TFTP UDP 69 T rivial File T ransfer Protocol is an Internet file transfer protocol similar to FTP , but uses the UDP (User Datagram Protocol) r ather than TCP (T ransmission Control Protocol). VDOLIVE TCP 7000 Another videoconferencing solution. T able 161 Commonly Used Services (cont[...]

P-2812HNU-51c User’s Guide 497 A PPENDIX H Open Sof tware Announcement s End-User License Agreem ent for "P-2812HNU-51c" W ARNING: ZyXEL Communicatio ns Corp. IS WILLING TO LICENSE THE SOFTW ARE TO YOU ONL Y UPON THE CONDITION THA T YOU ACCEPT ALL OF TH E T ERMS CONT AINED IN THIS LICENSE AGREEMENT . PLEASE READ THE TERMS CAREFULL Y BEF[...]

Appendix H Open Software Announcements P-2812HNU-51c User’s Guide 498 3 Copyright The Software and Documentation contain mat erial that is protected by International Copyright Law and tr ade secr et law , and by international treat y provisions. All right s not gr anted to you herein are expressly reserv ed by Z yXEL. Y ou may not remove an y pro[...]

Appendix H Open Software Announcements P-2812HNU-51c User’s Guide 499 and conditions of this License Agreemen t to those persons employ ed by you who come into contact with the Software, and to use reasonable best efforts to ensure their compliance with such terms and cond itions, including, without limit ation, not knowingly permitting such pers[...]

Appendix H Open Software Announcements P-2812HNU-51c User’s Guide 500 DOCUMENT A TION W ITHO UT COMPL YING WI TH SUCH L AWS, REGULA TIONS, ORDERS, OR O THER RESTRICT IONS. YOU AGREE TO INDEMNIFY Z yXEL AGA INST ALL CLAIMS, L OSSES, DAMAGES, LIABILITIES, COSTS AND EXPENSES , INCLUDING REASONABLE A T T ORNEYS' FE ES, T O THE EXTENT SUCH CLAIM [...]

Appendix H Open Software Announcements P-2812HNU-51c User’s Guide 501 Open-Source Packages for "P-2812HNU-51c" Notice Information herein is subject to change without notice. Comp anies, names, and data used in exampl es herein are fictit ious unless otherwise noted. No part may be reproduced or transmi tted in any fo rm or by any means,[...]

Appendix H Open Software Announcements P-2812HNU-51c User’s Guide 502 NTFS-3G 1.231, Ppp 2.4.1, Samba 3.0.34, Udhcp 0.9.6 and zebr a 0.93a under below GPL license GNU GENERAL PUBLIC LICENSE V ersion 2, June 1991 Copyright (C) 1989, 1991 Free Software F oundation, Inc. 59 T emple Place - Suite 330, Boston, MA 02111-1307, USA Everyone is permi tted[...]

Appendix H Open Software Announcements P-2812HNU-51c User’s Guide 503 know that what they have is not the orig inal, so that an y prob lems introduced by others will not reflect on the original author s' reputations. F i n a l l y , a n y f r e e p r o g r a m i s t h r e a t e n e d c o n s t a n t l y b y s o f t w a r e p a t e n t s . We[...]

Appendix H Open Software Announcements P-2812HNU-51c User’s Guide 504 c) If the modified program normally read s commands interacti v ely when run, you must cause it, when started runni ng for su ch inter active use in the most ordinary way , to print or dis play an announcement including an appropriate cop yright notice and a notice that there i[...]

Appendix H Open Software Announcements P-2812HNU-51c User’s Guide 505 normally distributed (in eit her source or binary form) with the major components (compiler , kernel, and so on) of the oper ating system on which the executable runs, unless that component itself accomp anies the executable. If dis tributi on of executable or object code is ma[...]

Appendix H Open Software Announcements P-2812HNU-51c User’s Guide 506 wide range of software dis tributed through that system in reliance on consistent application of that system; it is up to th e author/donor to decide if he or she is willing to distribute software through any other system an d a licensee ca nno t impose that choice. This sectio[...]

Appendix H Open Software Announcements P-2812HNU-51c User’s Guide 507 LIABLE TO Y OU FOR DAMAGES, INCLUDIN G ANY GENERAL, SPECIAL, INCIDENT AL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOS S OF DA T A OR DA T A BEING RENDERED INACCURA TE OR LOSSES SUST AINED BY YOU OR THIRD P ART[...]

Appendix H Open Software Announcements P-2812HNU-51c User’s Guide 508 OpenSSL License Copyright (c) 1998-2008 The OpenS SL Project. All rights reserv ed. Re di stribution and use in source and bina ry forms, with or without modification , are permitted provided that the following conditions are met: 1. R edistributions of source code must re tain[...]

Appendix H Open Software Announcements P-2812HNU-51c User’s Guide 509 Original SSLeay License Copyright (C) 1995-1998 Eric Y oung (eay@cryptsoft.com) All rights reserved. This package is an S SL implementation written by Eric Y oung (eay@cryptsoft. com). The implementation w as written so as to conform with Netscapes SSL. This l ibrary is free fo[...]

Appendix H Open Software Announcements P-2812HNU-51c User’s Guide 510 BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY , WHETHER IN CONTRACT , STRICT LIABILI TY , OR TOR T (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY W A Y OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVIS ED OF TH E POSSIBILITY OF SUCH DAMAGE. The licence a[...]

P-2812HNU-51c User’s Guide 51 1 A PPENDIX I Legal Information Copyright Copyright © 2010 by Z yXEL Communications Corpor ation. The contents of this publication ma y not be reproduced in any part or as a whole, transcrib ed, stored in a retriev al syst em, tr anslated into an y language , or transmitted in an y form or by any me ans, electronic,[...]

Appendix I Lega l Info rm a tio n P-2812HNU-51c User’s Guide 512 • This device may not cause harmful interference. • This dev ice must acc e pt any interf erence received, including interference that may cause undesired operations. This device has been tested and found to comply with the limits for a Clas s B digital device pursuant to P art [...]

Appendix I Legal Information P-2812HNU-51c User’s Guide 513 This device has been designed t o oper ate with an antenna having a maximum gain of 2dBi. Antenna having a higher gain is strictly prohib ited per reg u lations of Industry Canada. The required antenna impedance is 50 ohms. T o reduce potential radi o interference to other users, the ant[...]

Appendix I Lega l Info rm a tio n P-2812HNU-51c User’s Guide 514 Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada. Viewing Certifications 1 Go to http://www . zyxel.com . 2 Select your prod uct on the Z yXEL home page to go to that product's page. 3 Select the certification y ou wish to view from this page. Z[...]

Index P-2812HNU-51c User’s Guide 515 Index A AAL5 398 ACK message 221 ACS 331 adding a printer e xample 242 ADSL2 398 Advanced Encryption Standard See AES. AES 477 AH 268 ALG 192 algorithms 268 alternative subnet mask notation 458 antenna 395 directional 482 gain 481 omni-directional 482 AP (access point) 469 Application Layer Gatewa y 192 applic[...]

Index P-2812HNU-51c User’s Guide 516 interference 469 channel ID 153 CIFS 234 CIFS (Common Internet File S ystem) 236 Class of Service 226 Class of Service, see CoS client-server protocol 21 8 comfort noise generation 224 command parameters 402 command syntax 402 Common Internet File S y st em (CIFS ) 236 Common Internet File System , see CIFS co[...]

Index P-2812HNU-51c User’s Guide 517 F5 cells 383 FCC interference statement 51 1 file sharing 27 , 236 Finger 193 firmware upload 372 upload error 373 firmware v ersion 83 flash key 227 flashi ng 227 fragmentation thresho ld 471 FTP 184 , 193 G G.168 224 G.992.3 398 G.992.4 398 G.992.5 398 H hidden node 469 host 364 host name 83 HT TP 193 , 275 [...]

Index P-2812HNU-51c User’s Guide 518 ITU- T 224 K key combinations 231 keyp ad 231 L LAN and USB printer 240 LAN statistics 95 LAN TCP/IP 144 LAN-Side DSL CPE Configuration 333 LBR 380 link trace 380 Link T race Message, see L TM Link T race Respon se, see L TR listening port 206 logs 367 overview 367 settings 368 Loop Back Re sponse, see LBR loo[...]

Index P-2812HNU-51c User’s Guide 519 O OAM 383 , 398 OAM ping test 383 OK response 221 , 223 operation humidity 395 operation temperature 395 Operation, Administr ation and Maintenance, see OAM outside header 269 P Pack et T ransfer Mode 99 Pairwise Master K ey (PMK) 477 , 479 Peak Cell Rate (PCR) 105 , 127 peer-to-peer calls 212 Per -H o p Be h [...]

Index P-2812HNU-51c User’s Guide 520 RFC 2684 398 RIP 138 , 305 R outing Information Protocol see RIP route 410 route status 91 router features 24 routing information 90 R outing Information Protocol. See RIP RPPCs 331 RTP 220 RT S (Request T o Send) 470 threshold 469 , 470 S safety warnings 7 seamless rate adaptation 398 secure gateway address 2[...]

Index P-2812HNU-51c User’s Guide 521 TPID 132 TR -064 333 TR -069 331 ACS setup 331 authentication 332 tracert 407 trademar ks 51 1 traffic shaping 12 7 transparent bridging 398 transport mode 268 trTCM 328 tunnel mode 269 T wo Rate Three Color Marker , see trTC M T ype of Service , see T oS U unicast 133 Uniform Resource Identifier 217 Universal[...]

Index P-2812HNU-51c User’s Guide 522 WLAN interference 469 security parameters 480 WLAN button 28 WPA 476 key caching 47 8 pre-authentication 478 user authentication 477 vs WPA -PSK 477 wireless client supplicant 478 with RADIUS application example 478 WPA2 476 user authentication 477 vs WP A2 -P SK 477 wireless client supplicant 478 with RADIUS [...]