Linksys SRW2048 manuale d’uso

A Division of Cisco Systems, Inc . ® Model No . WIRED with W ebView 16, 24, or 48-P ort 10/100/1000 Gigabit Ethernet Switch SRW2016/SRW2024/SRW2048/SRW224G4/SRW248G4 User Guide 24 or 48-P ort 10/100 Fast Ethernet Switch[...]

WebView Switches Copyright and T rademarks Specifications are subject to change without notice . L inksys is a registered tradema rk or trademark of Cisco Systems, Inc . and/or its affiliates in the U.S . and certain other countries. Copyright © 2005 Cisco Systems, Inc. All rights reserved. Other brands and product names are tradem arks or registe[...]

WebView Switches Table of Contents Chapter 1: Introduction 1 Welcome 1 What’s in this User Guide? 2 Chapter 2: Getting to Know the Switch 3 Overview 3 The Front Panel 3 The Back Panel 4 Chapter 3: Connecting the Switch 5 Overview 5 Before You Install the Switch... 6 Placement Options 6 Connecting the Switch 7 Chapter 4: Using the Console Interfac[...]

WebView Switches Switch Conf. (Configuratio n) Tab - IGMP Snooping 34 Switch Conf. (Configuration) Tab - Bridge Multicast 35 Switch Conf. (Configuration) Tab - Bridge Multicast Forward All 36 QoS Tab - CoS Settings 37 QoS Tab - Queue Settings 38 QoS Tab - CoS to Queue 38 QoS Tab - Bandwidth 39 Security Tab - Local Users/System Password 40 Security [...]

WebView Switches Maintenance Tab - Telnet 82 Maintenance Tab - Reset 82 Maintenance Tab - File Download 82 Maintenance Tab - File Upload 83 Maintenance Tab - Restore Defaults 84 Maintenance Tab - Inte grated Cable Test 84 Maintenance Tab - HTTP File Download 85 Spanning Tree Tab - Global Settings 86 Spanning Tree Tab - STP Interface Settings 88 Spa[...]

WebView Switches List of Figures Figure 2-1: Front Panel of the 16-Port Switch 3 Figure 2-2: Back Panel of the 16-Port Switch 4 Figure 3-1: Typical Network Configuration for the 16-Port Switch 5 Figure 3-2: Attach the Brackets to the Switch 7 Figure 3-3: Mount the Switch in the Rack 7 Figure 4-1: Finding HyperTerminal 9 Figure 4-2: Connection Descr[...]

WebView Switches Figure 4-24: Network Configuration 18 Figure 4-25: Ping Test 18 Figure 4-26: TraceRoute Test 18 Figure 4-27: File Management 19 Figure 4-28: Restore System Default Settings 19 Figure 4-29: Reboot System 19 Figure 5-1: Login Screen 20 Figure 5-2: System Information - System Description 21 Figure 5-3: System Information - System Mode[...]

WebView Switches Figure 5-25: Switch Configuration - Bridge Multicast Forward All 36 Figure 5-26: QoS - CoS Settings 37 Figure 5-27: QoS - Queue Settings 38 Figure 5-28: QoS - CoS to Queue 38 Figure 5-29: QoS - Bandwidth 39 Figure 5-30: QoS - Edit Bandwidth 39 Figure 5-31: Security - Local Users/System Password 40 Figure 5-32: Security - Edit Local[...]

WebView Switches Figure 5-55: Statistics - Etherlike Statistics 59 Figure 5-56: Statistics - RMON Statistics 60 Figure 5-57: Statistics - RMON History Control 62 Figure 5-58: Statistics - RMON History Log 63 Figure 5-59: Statistics - RMON Alarms 64 Figure 5-60: Statistics - add RMON Alarm entry 65 Figure 5-61: Statistics - RMON Events Control 66 Fi[...]

WebView Switches Figure 5-85: Maintenance - HTTP File Download 85 Figure 5-86: Spanning Tree - Global Settings 86 Figure 5-87: Spanning Tree - STP Interface Settings 88 Figure 5-88: Spanning Tree - RSTP Interface Settings 90 Figure 5-89: Spanning Tree - MSTP Properties 92 Figure 5-90: Spanning Tree - MSTP Instance Settings 93 Figure 5-91: Spanning [...]

1 Chapter 1: Introductio n Welcome WebView Switches Chapter 1: Introduction We l c o m e Thank you for choosing a WebView Switch. This Switch will allo w you to network better than ever . This new Linksys rackmount switch delivers non-blocking , wire speed switching for your 10, 100, and 1000Mbps network clients, plus multiple options for connectin[...]

2 Chapter 1: Introductio n What’s in this User Guide? WebView Switches What’ s in this User Guide? This user guide covers the steps for setting up and using the Switch. • Chapter 1: Introduction This chapter describes the Switch’ s applications and th is User Guide . • Chapter 2: Getting to Know the Switch This chapter describes the physi[...]

3 Chapter 2: Getting to Kn ow the Switch Overview WebView Switches Chapter 2: Getting to Know the Switch Overview The Switches differ in number and types of LEDs and ports. While the 16-Port Gigabit Ether net Switch is pictured in this chapter , the other Switches are similar in form and function. The Front P anel The Switch's LEDs and ports a[...]

4 Chapter 2: Getting to Kn ow the Switch The Back Panel WebView Switches For the 16-Port Switch, ports 8 and 16 are shared with miniGBIC1 and miniGBIC2, respectively . For the 24-Port Gigabit Ethernet Switch, ports 12 and 24 are shared with miniGBIC1 and miniGBIC2, respectively . miniGBIC1/2 The Switch provides two mini-GBIC ports. The mini-GBIC (g[...]

5 Chapter 3: Connecting the Switch Overview WebView Switches Chapter 3: Connecting the Switch Overview This chapter will explain how to connect network devices to the Switch. For an example of a typical network configuration, see the application diagram shown below . When you connect your network devices, make sure you don’t exceed the maximum ca[...]

6 Chapter 3: Connecting the Switch Before You Install the Switch... WebView Switches Before Y ou Install the Switch... When you choose a location for the Switch, observe the following guidelines: • Make sure that the Switch will be accessible and that the cables can be easily connected. • Keep cabling away from sources of electrical noise , pow[...]

7 Chapter 3: Connecting the Switch Connecting the Switch WebView Switches Rack-Mount Placement T o mount the Switch in any standard-sized, 19-inch wide , 1U high rack, follow these instructions: 1. Place the Switch on a hard flat surface with the front panel facing you. 2. Attach a rack–mount brack et to one side of the Switch with the supplied s[...]

8 Chapter 3: Connecting the Switch Connecting the Switch WebView Switches 8. Power on the network devices connected to the Swit ch. Each active port’s corr esponding Link/Act LED will light up on the Switch. If a port has an active Gigabit connection, then its corresponding Gigabit LED will also light up. If you will use th e Switch’ s co nsole[...]

9 Chapter 4: Using the Console Interface for Co nfiguration Overview WebView Switches Chapter 4: Using the Console Interface for Configuration Overview The Switch features a menu-driven console interface for basic configuration of the Switch and management of your network. The Switch can be configured using CLI through the console interface or thro[...]

10 Chapter 4: Using the Console Interface for Co nfiguration Connecting to the Switch through a Telnet Session WebView Switches 4. Set the serial port settings as follows: Bits per second: 38400 Data bits: 8 Parity: None Stop bits: 1 Flow control: None Then, click the OK button. Connecting to the Switch through a T elnet Session Open a command line[...]

11 Chapter 4: Using the Console Interface for Co nfiguration Configuring the Switch through th e Console Interface WebView Switches Configuring the Switch th rough the Console Interface The console screens consist of a series of menus. Each menu has several options, which are listed vertically . Y ou select a menu option when you highlight it; pres[...]

12 Chapter 4: Using the Console Interface for Co nfiguration Configuring the Switch through th e Console Interface WebView Switches Port Configuration On the Switch Main Menu screen, select P ort Configuration and press the Enter key if you want to configure the Switch’ s ports. The Port Configuration screen displays the port numbers, their st at[...]

13 Chapter 4: Using the Console Interface for Co nfiguration Configuring the Switch through th e Console Interface WebView Switches System Information Using this screen, you can check the Switch’ s firmware versions and general system information. Vers ions The Versions scr een displays the Switch’ s boot, software , and hardware firmware versi[...]

14 Chapter 4: Using the Console Interface for Co nfiguration Configuring the Switch through th e Console Interface WebView Switches Management Settings From the Management Se ttings screen, you can set Serial Port Session Configuration, T elnet Session Configuration, or Secure T elnet (SSH) Configuratio n. Serial Port Configuration On the Serial Po[...]

15 Chapter 4: Using the Console Interface for Co nfiguration Configuring the Switch through th e Console Interface WebView Switches Username & Password Settings From this sceen, you can administer the user names and passwords of those accessing the Switch. Security Settings The Security Settings screen enables you to configure security settings[...]

16 Chapter 4: Using the Console Interface for Co nfiguration Configuring the Switch through th e Console Interface WebView Switches SSL Certificate Generation Use the Certificate Generation screen to specify a device-generated certificate . The following fields are specified: Public Key Length - Specifies the SSL RSA key length. (Range: 512 - 2048)[...]

17 Chapter 4: Using the Console Interface for Co nfiguration Configuring the Switch through th e Console Interface WebView Switches IP Address Configuration The Switch’ s IP informatio n is displayed here . IP Address . The IP Address of the Switch is displayed. (The defau lt IP address is 192.168.1.25 4 .) Verify that the address you enter is co[...]

18 Chapter 4: Using the Console Interface for Co nfiguration Configuring the Switch through th e Console Interface WebView Switches Network Configuration The Network Configuration screen offers a choice of two tests, Ping and T raceRoute . Ping The Ping screen displays the IP address of the location you want to contact. Select Edit to change the IP[...]

19 Chapter 4: Using the Console Interface for Co nfiguration Configuring the Switch through th e Console Interface WebView Switches File Management The File Management screen allows you to upload or download files, such as the startup configuration, boot, or image file , using a TFTP ser ver . Select Edit to change the settings. When your changes a[...]

20 Chapter 5: Using the Web-b ased Utility for Config uration Overview WebView Switches Chapter 5: Using the W eb-based Utility for Configuration Overview This chapter describes the features included in the Web-based utility . All of the features shown in this chapter , unless specifically identified, are included in the Fast Et hernet switches. Ad[...]

21 Chapter 5: Using the Web-b ased Utility for Config uration Sys. Info. (System Informatio n) Tab - System Description WebView Switches Sys. Info. (System Informatio n) T ab - System Description The System Description screen lets you enter general information abo ut the Switch. Model Name . This is the model number and name of the Switch. System N[...]

22 Chapter 5: Using the Web-b ased Utility for Config uration Sys. Info. (System Information ) Tab - Forwarding Databa se WebView Switches Sys. Info. (System Informatio n) T ab - Forwar ding Database The Forwarding Database screen lets you define the aging inter val of the Switch. Aging Interval (15-630) (secs) . This specifies the aging-out period[...]

23 Chapter 5: Using the Web-b ased Utility for Config uration Sys. Info. (System Information ) Tab - Time Synchronization WebView Switches Sys. Info. (System Information) T ab - T ime Synchronization The Time Synchronization scr een allows you to configure the time settings for the Switch. Clock Sour ce . If you want to set the system cloc k via an[...]

24 Chapter 5: Using the Web-b ased Utility for Config uration IP Conf. (Configuration) Tab - IP Addr. (Address) WebView Switches IP Conf. (Configuration) T ab - IP Addr . (Address) The IP Address screen allows you to assign DHCP or static IP settings to interfaces and assign default gateways. DHCP Inte rface . If you ar e using the DHCP Interface ,[...]

25 Chapter 5: Using the Web-b ased Utility for Config uration Switch Conf. (Configuration) T a b - Interface Conf. (Configuration) WebView Switches Switch Conf. (Configuration) T ab - Interface Conf. (Configuration) The Interface Configuration screen shows you the settings for each of the Switch’ s ports. Where many ports are present, you can scr[...]

26 Chapter 5: Using the Web-b ased Utility for Config uration Switch Conf. (Configuration) T a b - Interface Conf. (Configuration) WebView Switches PVE . For Gigabit Ethernet switches. When a port is a Private VLAN Edge (PVE) port, it bypasses the Forwarding Database and forwards all unicast, multicast, and broadcast traffic to an uplink, except fo[...]

27 Chapter 5: Using the Web-b ased Utility for Config uration Switch Conf. (Configuration) T a b - Interface Conf. (Configuration) WebView Switches Current Back Pr essure . Displa yed here is the status of the port’ s Back Pressure mode . Flow Control . Y ou can enable or disable the port’ s Flow Control feature . Current Flow Control . This is[...]

28 Chapter 5: Using the Web-b ased Utility for Config uration Switch Conf. (Conf iguration) T ab - VLAN WebView Switches Switch Conf. (Configuration) T ab - VLAN The VLAN screen displays subgroups of a LAN (Local Area Network). Chose the Select VLAN ID or Show All option. If you chose to Select VLAN ID , chose the ID you wish to display from the dr[...]

29 Chapter 5: Using the Web-b ased Utility for Config uration Switch Conf. (Configuration ) T ab - VLAN Interface Settings WebView Switches Switch Conf. (Configuration) T ab - VLAN Interface Settings The VLAN Interface Settings screen lets you define properties of the interfaces that are associated with VLANs. Interface . This is the physical addre[...]

30 Chapter 5: Using the Web-b ased Utility for Config uration Switch Conf. (Conf iguration) Tab - GVRP Parameters WebView Switches Switch Conf. (Configuratio n) T ab - GVRP P arameters The name of this section is different depending on the type of Switch you are using. Gigabit Ethernet Switches show the GVRP Parameters screen. Fast Ethernet Switche[...]

31 Chapter 5: Using the Web-b ased Utility for Config uration Switch Conf. (Conf iguration) T ab - LAG Conf. (Configuration) WebView Switches Switch Conf. (Configuration) T ab - LAG Conf. (Configuration) The Switch supports up to eight Link Agg regated Groups (LAGs), which maximize port usage by linking a g roup of ports together to form a single g[...]

32 Chapter 5: Using the Web-b ased Utility for Config uration Switch Conf. (Conf iguration) Tab - Port Mirroring WebView Switches Switch Conf. (Configuratio n) T ab - P ort Mirroring The Port Mirroring screen lets you configure the Switch’ s port mirroring settings. Port mirroring can be used for diagnostics or debugging. It forwar ds copies of i[...]

33 Chapter 5: Using the Web-b ased Utility for Config uration Switch Conf. (Conf iguration) T ab - LACP WebView Switches Switch Conf. (Configuration) T ab - LACP The LACP screen allows you to enable the use of the Link Aggregation Control Protocol (LACP) on relevant links for LAGs. Listed on this screen are the LACP LAGs. LACP System Priority (1 - [...]

34 Chapter 5: Using the Web-b ased Utility for Config uration Switch Conf. (Conf iguration) T ab - IGMP Snooping WebView Switches Switch Conf. (Configuration) T ab - IGMP Snooping When IGMP Snooping is enabled globally , all IGMP packets are forwarded to the CPU . The CPU analyzes the incoming packets and determines: Which ports want to join which [...]

35 Chapter 5: Using the Web-b ased Utility for Config uration Switch Conf. (Configuration) Tab - Bridg e Multicast WebView Switches Switch Conf. (Configuration) T ab - Bridge Multicast The Bridge Multicast screen displays the ports and LAGs attached to the Multicast ser vice group. The Port and LAG tables reflect the manner in which the port or LAG[...]

36 Chapter 5: Using the Web-b ased Utility for Config uration Switch Conf. (Configuration) T ab - Bridge Multicast Forward All WebView Switches Switch Conf. (Configuration) T ab - Bridge Multicast Forward All The Bridge Multicast Forwar d All screen contains fields for attaching ports or LAGs to a switch that is attached to a neighboring Multicast [...]

37 Chapter 5: Using the Web-b ased Utility for Config uration QoS Tab - CoS Settings WebView Switches QoS T ab - CoS Settings Quality of Service ( QoS) allows you to implement priority queuing within a network, so different types of traffic are assigned different priority queues. Class of Service (CoS) ser vices are then assigned to the queues, usi[...]

38 Chapter 5: Using the Web-b ased Utility for Config uration QoS Tab - Queue Settings WebView Switches QoS T ab - Queue Settings The Queue Settings screen lets you select the CoS method and assign bandwidth values for your queues. Queue . This is the queue number . Scheduling Strict Priority . If you want traffic scheduling to be based on queue pr[...]

39 Chapter 5: Using the Web-b ased Utility for Config uration QoS Tab - Bandwid th WebView Switches QoS T ab - Bandwidth Use the Bandwidth Settings page to define the bandwidth se ttings for specified ingress and egress interface . Modifying queue scheduling affects the queue settings globally . Po r t . Shows the port to which bandwidth settings a[...]

40 Chapter 5: Using the Web-b ased Utility for Config uration Security Tab - Local Users/System Password WebView Switches Security T ab - Local Users/System P assword This screen will appear as Local Users for those using a Gigabit Ethernet Switch and as System Password for those using a Fast Ethernet Switch. This screen allows you to change the pa[...]

41 Chapter 5: Using the Web-b ased Utility for Config uration Security Tab - 802.1x Port Conf. (Configuration) WebView Switches Security T ab - 802.1x P ort Conf. (Configuration) The 802.1x Port Configuration screen lists the Switch’ s 802.1x ports a nd allows you to configure the authentication settings per port. This authentication method use s[...]

42 Chapter 5: Using the Web-b ased Utility for Config uration Security Tab - 802.1x Port Conf. (Configuration) WebView Switches T o modify the settings for an 802.1x port, click the port’ s Edit icon. On the new screen that appears, you can modify the port settings. Po r t . This is the po rt name . Admin P ort Control . Select forceAuthorized if[...]

43 Chapter 5: Using the Web-b ased Utility for Config uration Security Tab - RADIUS Server WebView Switches Security T ab - RADIUS Server The RADIUS Ser ver screen lists the RADIUS ser vers used for authentication. Y ou can use this screen to access a server ’ s settings. IP Address . This is the IP address of the RADIUS server . Priority . This [...]

44 Chapter 5: Using the Web-b ased Utility for Config uration Security Tab - RADIUS Server WebView Switches Dead Time (0-2000) . Enter the number of minutes that a RADIUS server is bypassed for service requests. T o use the default, click the Use Default checkbox. Key String (0-128 Characters) . Enter the pre-shared key in this field. T o use the d[...]

45 Chapter 5: Using the Web-b ased Utility for Config uration Security Tab - Storm Control WebView Switches Security T ab - Storm Contr ol The Storm Control screen allows you to enable or disable Storm Control, which limits the number of multicast and broadcast frames accepted and forwarded by the Switch. Po r t . Indicates the port on which storm [...]

46 Chapter 5: Using the Web-b ased Utility for Config uration Security Tab for SRW2048 Switches - ACL WebView Switches Security T ab for SRW2048 Switches - A CL The ACL screen lists the access profiles and allows you to configure access profiles for the Switch. Access Profile . This is the name of the access profile. Activated . Y ou can activate a[...]

47 Chapter 5: Using the Web-b ased Utility for Config uration Security Tab for SRW2048 Switches - Profile Rules WebView Switches Security T ab for SRW2048 Switches - Profile Rules The Profile Rules screen contains fields for defining profiles and rules for accessing the Switch. Access to management functions can be limited to user g roups, which ar[...]

48 Chapter 5: Using the Web-b ased Utility for Config uration Security Tab for SRW2048 Switches - Profile Rules WebView Switches Security T ab for SRW2048 Switch es - Authentication Pr ofiles The Authentication Profiles screen contains fields for selecting the user authentication me thod on the Switch. User authentication occurs both locally and vi[...]

49 Chapter 5: Using the Web-b ased Utility for Config uration Security Tab for SRW2048 Switches - Profile Rules WebView Switches Security T ab for SRW2048 Swit ches - Authentication Mapping Console . Authentication profiles used to authenticate console users. Te l n e t . Authentication profiles used to authenticate T elnet users. Secure T elnet (S[...]

50 Chapter 5: Using the Web-b ased Utility for Config uration Security Tab for SRW2048 Switches - Profile Rules WebView Switches Security T ab for SRW204 8 Switches - T A CA CS+ T ACACS+ provides centralized security for validation of users accessing the Switch es. T ACACS+ provides a centralized user -management system, while still retaining consi[...]

51 Chapter 5: Using the Web-b ased Utility for Config uration Security Tab for Other Switches - ACL WebView Switches Security T ab for Other Switches - A CL The ACL screen lists the access profiles and allows you to configure access profiles for the Switch. Access Profile . This is the name of the access profile. Activated . Y ou can activate an ac[...]

52 Chapter 5: Using the Web-b ased Utility for Config uration Security Tab for Other Switches - MAC Based ACL WebView Switches Security T ab for Other Switches - MA C Based ACL Access Control Lists (ACL) allow network managers to defin e classification actions and rules for specific ing ress ports. ACLs contain multiple classification rules and act[...]

53 Chapter 5: Using the Web-b ased Utility for Config uration Security Tab for Other Switches - ACL Mapping WebView Switches Security T ab for Other Switches - A CL Mapping When an ACL is mapped to an interface, the ACL is applied to the selected interface . Use the ACL M apping screen to assign ACL Lists to classification methods and interfaces. T[...]

54 Chapter 5: Using the Web-b ased Utility for Config uration SNTP Tab - Global Settings WebView Switches SNTP T ab - Global Settings The Global Settings screen lets you set the Simple Network T ime Protocol (SNTP) settings. SNTP makes possible accurate time synchronization by a network SNTP serv er for network devices. Using SNTP , the Switch is s[...]

55 Chapter 5: Using the Web-b ased Utility for Config uration SNTP Tab - Authentication WebView Switches SNTP T ab - Authentication The Authentication screen lists the keys used to authenticate the SNTP server . SNTP Authenticat ion . Enable or disable authentication of an SNTP session between the Switch and an SNTP server . Click the Submit button[...]

56 Chapter 5: Using the Web-b ased Utility for Config uration SNTP Tab - Servers WebView Switches SNTP T ab - Servers On the Servers screen, you can see a list of ser vers and their settings. Unicast Server . Displayed here is the IP address of the unicast ser ver . P o ll Interval . This is the inter val (in seconds) at which the unicast server is[...]

57 Chapter 5: Using the Web-b ased Utility for Config uration SNTP Tab - Interface Settings WebView Switches Last Response . This describes the last response of the broadcast server . T o add an SNTP ser ver , click the paper and pencil icon. On the new screen that appears, you can configure the following settings: SNTP Server . Enter the IP addres[...]

58 Chapter 5: Using the Web-b ased Utility for Config uration Statistics Tab - Interface Statistics WebView Switches Statistics T ab - Interface Statistics The Interface Statistics screen displays statistics for received and transmitted packets. Interface . Select the appropriate interface , Po r t or LAG . Then, select the appropriate number from [...]

59 Chapter 5: Using the Web-b ased Utility for Config uration Statistics Tab - Etherlike Statistics WebView Switches Statistics T ab - Etherlik e Statistics The Etherlike Statistics screen displays interface statistics. Interface . Select the appropriate interface , Po r t or LAG . Then, select the appropriate number from the drop- down menu. Refre[...]

60 Chapter 5: Using the Web-b ased Utility for Config uration Statistics Tab - RMON Statistics WebView Switches Statistics T ab - RMON Statistics The RMON Statistics screen displays information about the Switch’s use and errors. (RMON stands for Remote Monitoring.) Interface . Select the appropriate interface , Po r t or LAG . Then, select the ap[...]

61 Chapter 5: Using the Web-b ased Utility for Config uration Statistics Tab - RMON Statistics WebView Switches Frames of 64 Bytes . This is the number of 64-byte frames received on the interface since the Switch was last refreshed. Frames of 65 to 127 Bytes . This is the numbe r of 65- to 127-byte frames received on the interface since the Switch [...]

62 Chapter 5: Using the Web-b ased Utility for Config uration Statistics Tab - RMON History Control WebView Switches Statistics T ab - RMON History Contr ol The RMON History Control screen contains infor mation about sample s of data taken from ports. History Entry No. This is the entry number for a RMON Histor y entr y . Source Interface . This is[...]

63 Chapter 5: Using the Web-b ased Utility for Config uration Statistics Tab - RMON History Log WebView Switches Statistics T ab - RMON History Log The RMON History Log screen shows interface-specific statistics involving network sampling. Each entry has statistics from a single sample. History Entry No. Select the history entr y whose statistics y[...]

64 Chapter 5: Using the Web-b ased Utility for Config uration Statistics Tab - RMON Alarms WebView Switches Statistics T ab - RMON Alarms The RMON Alarms screen displays the network alarms you have set. When the network experiences problems or events, such as rising and falling thresholds, then a network alarm will occur . Alarm Entry . This ide nt[...]

65 Chapter 5: Using the Web-b ased Utility for Config uration Statistics Tab - RMON Alarms WebView Switches T o add an entry , click the paper and pencil icon. On the new screen that appears, you can configure the following settings: Alarm Entry . This is the numbe r of the alarm entr y . Interface . Select the interface for which RMON statistics a[...]

66 Chapter 5: Using the Web-b ased Utility for Config uration Statistics Tab - RMON Events Control WebView Switches Statistics T ab - RMON Ev ents Control The RMON Events Control screen shows the RMON events you have configured. Event Entry . This identifies the event. Community . This is the community to which the event belongs. Description . This[...]

67 Chapter 5: Using the Web-b ased Utility for Config uration Statistics Tab - RMON Events Log WebView Switches Statistics T ab - RMON Ev ents Log The RMON Events Log screen displays a list of RMON events. Event . This is the number of the RMON Event Log entry . Log No. This is the log number . Log Time . This is the time when the log entry was ent[...]

68 Chapter 5: Using the Web-b ased Utility for Config uration Statistics Tab - EAP Statistics WebView Switches Statistics T ab - EAP Statistics The EAP Statistics screen displays information about EAP packets received on a specific port. Po r t . Select the port you want to poll for statistics. Refresh Rate . Select how often you want the EAP stati[...]

69 Chapter 5: Using the Web-b ased Utility for Config uration Statistics Tab - GVRP Statistics WebView Switches Statistics T ab - GVRP Statistics The GVRP Statistics screen displays information about GVRP p ackets received on a specific port. Interface . Specifies whether statistics are displayed for a port or LAG . Refresh Rate . Amount of time th[...]

70 Chapter 5: Using the Web-b ased Utility for Config uration Logs Tab - Message Log WebView Switches Logs T ab - Message Log The Message Log screen shows information about log entries saved to the Log file in flash memor y . Log entries are listed in a descending column, numbered on the left. Log Index . This is the log number . Log Time . Displa [...]

71 Chapter 5: Using the Web-b ased Utility for Config uration Logs Tab - Global Parameters WebView Switches Logs T ab - Global P arameters The Global Parameters screen lets you define which events are recorded by which logs. Y ou can en able logs for the Switch and define specific logs. Logging . If you w ant the Sw itch to keep logs, select Enable[...]

72 Chapter 5: Using the Web-b ased Utility for Config uration SNMP Tab WebView Switches SNMP T ab Simple Network Management Protocol (SNMP) provides a metho d for managing network devices. The switches supports the following SNMP versions: • SNMP version 1 • SNMP version 2 • SNMP version 3 SNMP v1 and v2 The SNMP agents maintains a list of va[...]

73 Chapter 5: Using the Web-b ased Utility for Config uration SNMP Tab WebView Switches • T raps The switches generate the following traps: • Copy trap • Stacking traps This section contains the following topics: • Configuring SNMP Security • Configuring SNMP SecurityConfigu ring SNMP Notifications Configuring SNMP Security Defining SNMP [...]

74 Chapter 5: Using the Web-b ased Utility for Config uration SNMP Tab WebView Switches Defining SNMP Views SNMP Views provide access or block access to device feat ures or feature aspects. For example , a view can be defined which states that SNMP group A has Read Only (R/O) access to Multicast g roups, while SNMP group B has Read-Write (R/W) acce[...]

75 Chapter 5: Using the Web-b ased Utility for Config uration SNMP Tab WebView Switches Defining SNMP Group Profiles The Group Profiles screen provides information for creating SNMP groups, and assigning SNMP access control privileges to SNMP groups. Gro ups allow network managers to assign access rights to specific device features, or features asp[...]

76 Chapter 5: Using the Web-b ased Utility for Config uration SNMP Tab WebView Switches T o add a n entry , click the paper and pencil icon. On the n ew screen that appears, you can configure the following settings: • Group Name . Enter a name for the user -defined group to w hich access control rules are applied. The field range is up to 30 char[...]

77 Chapter 5: Using the Web-b ased Utility for Config uration SNMP Tab WebView Switches Defining SNMP Group Members The Group Membership screen enables assigning system users to SNMP groups, as well as de fining the user authentication method. The Group Membership screen contains the following fields: • User Name . Contains a list of user -define[...]

78 Chapter 5: Using the Web-b ased Utility for Config uration SNMP Tab WebView Switches T o add an member , click the paper and pencil icon. On the new screen that appears, you can configu re all of the fields from the Group Membership screen, along with the following: • Authentication K ey . Defines the HMAC-MD5-96 or HMAC-SH A-96 authentication[...]

79 Chapter 5: Using the Web-b ased Utility for Config uration SNMP Tab WebView Switches • SNMP-Admin - User has access to all device configuration options, as well as permissions to modify the community . View Name . Contains a list of user -defined SNMP views T o add a community , click the paper and pencil icon. Y ou can configure all the field[...]

80 Chapter 5: Using the Web-b ased Utility for Config uration SNMP Tab WebView Switches Defining SNMP Notifi cation Filters The SNMP Notification Filter screen per mits filtering traps based on OIDs. Each OID is linked to a device feature or a feature aspect. The SNMP Notification Filter P age also allows network managers to filter notifications. T[...]

81 Chapter 5: Using the Web-b ased Utility for Config uration SNMP Tab WebView Switches Defining SNMP Notifi cation Recipients The SNMP Notification Receiver screen contains information for defining f ilters that dete rmine whether traps are sent to specific users, and the trap type sent. SNMP notification receivers provide the following services: [...]

82 Chapter 5: Using the Web-b ased Utility for Config uration Maintenance Tab - Telne t WebView Switches Maintenance T ab - T elnet The T elnet screen lets you connect to the Switch through telne t, a terminal emu lation TCP/IP protocol. Connect Via T elnet . If you u se a telnet connection, click Connect Via T elnet . The HyperT erminal screen wil[...]

83 Chapter 5: Using the Web-b ased Utility for Config uration Maintenance Tab - File Up load WebView Switches Source File Name . Enter the name of the fir mware file you want to download. Destination Fil e Name . Specify the file type , Software Image or Boot Code . Configuration Dow nload TFTP Server IP Address . Enter the IP address of the TFTP s[...]

84 Chapter 5: Using the Web-b ased Utility for Config uration Maintenance Tab - Resto re Defaults WebView Switches Destination Fil e Name . Enter the configuration file name to which the file will be uploaded. T ransfer File Name . Specify the file type , R unning Confi guration or Startu p Configur ation . The Running Configuration file holds all [...]

85 Chapter 5: Using the Web-b ased Utility for Config uration Maintenance Tab - HTT P File Download WebView Switches For results on a single port, click the Edit button for that port. A new screen will appear . After clicking the Te s t Now button, the following columns will be updated: T est Result . This is the test result. OK indicates that the [...]

86 Chapter 5: Using the Web-b ased Utility for Config uration Spanning Tree Tab - Globa l Settings WebView Switches Spanning T r ee T ab - Global Settings Spanning T ree Protocol (STP) provides tree topog raphy for any bridge arrangement. STP eliminates loops by providing one path between end stations on a network. Loops occur when alternate routes[...]

87 Chapter 5: Using the Web-b ased Utility for Config uration Spanning Tree Tab - Globa l Settings WebView Switches P a th Cost Defa ult Values . Specifies the method used to assign default path costs to STP ports. The po ssible field values are: Short - Specifies 1 through 65,535 range for port path costs. This is the default value . Long - Specif[...]

88 Chapter 5: Using the Web-b ased Utility for Config uration Spanning Tree Tab - STP Interface Settin gs WebView Switches Spanning T r ee T ab - STP Interface Settings The STP Interface Settings screen shows STP properties assigned to individual ports. This screen contains the following fields: Po r t . Specifies the port num ber on which STP sett[...]

89 Chapter 5: Using the Web-b ased Utility for Config uration Spanning Tree Tab - STP Interface Settin gs WebView Switches Backup-Provides a backup path to the designated port path toward the Spanning T ree leaves. Backup ports occur only when two ports are connected in a loop by a point-to-point link. Backup ports also occur when a LAN has two or [...]

90 Chapter 5: Using the Web-b ased Utility for Config uration Spanning Tree Tab on SRW2048 Sw itches - RSTP Interface Settings WebView Switches Spanning T r ee T ab on SRW2048 Swit ches - RSTP Interface Settings While the classic spanning tree prevents Layer 2 forwarding loops on a general network topology , convergence can take 30-60 seconds. The [...]

91 Chapter 5: Using the Web-b ased Utility for Config uration Spanning Tree Tab on SRW2048 Sw itches - RSTP Interface Settings WebView Switches one or more network layer protocols. When each of the chosen network layer protocols has been configured, packets from each network layer protocol can be sent over the link. The link remains configured for [...]

92 Chapter 5: Using the Web-b ased Utility for Config uration Spanning Tree Tab on SRW2048 Switches - MSTP Properties WebView Switches Spanning T r ee T ab on SRW2048 Switches - MSTP Properties MSTP operation maps VLANs into STP instances. Multiple Spanning T ree provides differing load balancing scenario. For example , while port A is blocked in o[...]

93 Chapter 5: Using the Web-b ased Utility for Config uration Spanning Tree Tab on SRW2048 Switches - MSTP Instan ce Settings WebView Switches Spanning T r ee T ab on SRW2048 Sw itches - MSTP Instance Settings Use this screen to configure MSTP instances. Instance ID . Defines the MSTP instance. The field range is 1-15. Included VLANs . Disp lays VL[...]

94 Chapter 5: Using the Web-b ased Utility for Config uration Spanning Tree Tab on SRW2048 Switches - MSTP Interfac e Settings WebView Switches Spanning T r ee T ab on SRW2048 Swit ches - MSTP Interface Settings The MSTP Interface Settings screen contains parameters assigning MSTP settings to specific interfaces. Instance ID . Lists the MSTP instan[...]

95 Chapter 5: Using the Web-b ased Utility for Config uration Help Tab WebView Switches Designated Bridge ID . The bridge ID number that connects t he link or shared LAN to the root. Designated P ort ID . The Port ID number on the designated bridge that connects the link or the shared LAN to the root. Designated Cost . Cost of the path from the lin[...]

96 Appendix A: About Gig abit Ethernet and Fiber Opt ic Cabling Gigabit Ethernet WebView Switches Appendix A: About Gigabit Ethernet and Fiber Optic Cabling Gigabit Ethernet Gigabit Ethernet runs at spe eds of 1Gbps (Gigabit per second), ten times faster than 100Mbps Fast Ether net, but it still integrates seamlessly with 100Mbps Fa st Ether net ha[...]

97 Appendi x B: Wind ows Hel p WebView Switches Appendix B: Windows Help Almost all networking products require Microsoft Windows. Windows is the most used operating system in the world and comes with many features that help make networking easier . These features can be accessed through Windows Help and are described in this appendix. TCP/IP Befor[...]

98 Appendix C: Glossary WebView Switches Appendix C: Glossar y Adapter - A device that adds ne twork functionality to your PC. AES ( A dvanced E ncryption S tandard) - A security method that uses symm etric 128-bit block data encryption. Backbone - The part of a network that connects most of the systems and networks together , and handles the most [...]

99 Appendix C: Glossary WebView Switches DDNS ( D ynamic D omain N ame S ystem) - Allows the hosting of a website , FTP ser ver , or e-mail ser ver with a fixed domain name (e.g ., www .xyz.com) and a dynamic IP address. Default Gateway - A device that forwards Internet traffic from your local area network. DHCP ( D ynamic H ost C onfiguration P ro[...]

100 Appendix C: Glossary WebView Switches Full Duplex - The ability of a networking device to receive and transmit data simultaneously . Gateway - A device that interconnects networks with differ ent, incompatible communications protocols. Half Duplex - Data transmission that can occur in two directions over a single line, but only one direction at[...]

101 Appendix C: Glossary WebView Switches Node - A network junction or connection point, typically a computer or work sta tion. P acket - A unit of data sent over a network. Ping ( P acket IN ter net G roper) - An Inter net utility used to deter mine whether a particular IP address is online. POP3 ( P ost O ffice P rotocol 3 ) - A standard mail ser[...]

102 Appendix C: Glossary WebView Switches Switch - 1. A data switch that connects computing devices to host compu ters, allowing a large number of devices to share a limited number of ports. 2. A device for making, breaking, or c hanging the connections in an electrical circuit. TCP ( T ransmission C ontrol P rotocol) - A network protocol for trans[...]

103 Appendix D: Specifications WebView Switches Appendix D: Specifications Models SRW2016 - 16-Port 10/100/1000 Gigabit Switch with W e bView SRW2024 - 24-Port 10/100/1000 Gigabit Switch with W ebView SRW2048 - 48-Port 10/100/1000 Gigabit Switch with W ebView SRW224G4 - 24-Port 10/100 Gigabit Switch with WebView SRW248G4 - 48-Port 10/100/1000 Gigab[...]

104 Appendix D: Specifications WebView Switches Dimensions SRW2048 : 16.93” x 1.75” x 13.78” (430 mm x 44.45 mm x 350 mm) SRW248G4 : 16.93” x 1.75” x 13. 78” (430 mm x 44.45 mm x 350 mm) SRW224G4 : 16.93” x 1.75” x 7.9 7” (430 mm x 44.45 mm x 202.5 mm) Unit Weight SRW2016 - 7.30 lbs. (3.31 kg) SRW2024 - 7.35 lbs. (3.33 kg) SRW2048[...]

105 Appendix E: Warranty In formation WebView Switches Appendix E: W arranty Information LIMITED WARRANTY Linksys warrants to Y ou that, for a period of five years (the “Warranty Period”), your Linksys Product will be substantially free of defects in materials and workmanship under normal use . Y our exclusive remedy and Linksys' entire li[...]

106 Appendix F: Regulatory Inf ormation WebView Switches Appendix F: Regulator y Information FCC ST A TEMENT This product has been tested and complies with the specification s for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to pr ovide reasonable protection against harmful interference in a residential [...]

107 Appendix F: Regulatory Inf ormation WebView Switches Safety Comp liance Warning: Fiber Optic Port Safety When using a fiber optic port, never look at the transmit laser while it is powered on. Also , never look directly at the fiber TX port and fiber cable ends when they are powered on. A vertissment: P orts po ur fibres optiqu es - sécurité [...]

108 Appendix F: Regulatory Inf ormation WebView Switches Veuillez lir e à fond l'information de la sécurité suivante avant d'installer le Switch: A VERTISSEMENT : L ’instal lation et la dépose de ce g roupe doiv ent être confiés à un personnel qualifié. Ne branchez pas votre appareil sur une prise secteur (alimen tation électri[...]

109 Appendix F: Regulatory Inf ormation WebView Switches La prise secteur doit se trouver à proximité de l’appareil et son accès doit être facile. V ous ne pouvez mettre l’appareil hors circuit qu’en débranchant son cordon électrique au niveau de cette prise. L ’app areil fonctionne à une tension extrêmement basse de sécurité qui [...]

110 Appendix F: Regulatory Inf ormation WebView Switches Der Gerätestecker (der Anschluß an das Gerät, nicht der Wandsteckdosensteck er) muß einen gemäß EN 60320/ IEC 320 konfigurierten Geräteeingang haben. Die Netzsteckdose muß in der Nähe des Geräts und leicht zugänglich sein. Die Stromversorgung des Geräts kann nur durch Herausziehen[...]

111 Appendix F: Regulatory Inf ormation WebView Switches Hinweis: Bei der Wahl eines Glasfasertransceivers muß für die Beurteilung der Gesamtsicherheit beachtet werden, das die maximale Umgebungstemperatur des T ransceivers für den Betrieb nicht niedriger ist als die für dieses Produkts. Der Glasfasertransceiver muß auch ein überprüftes Ger?[...]

112 Appendix F: Regulatory Inf ormation WebView Switches This guide is for system administrators with a working knowledge of network management. Y ou should be familiar with switching and networking concepts. Zielgruppe Dieser Anleitung ist fuer Systemadministratoren mit Erfahrung im Netzwerkmangement. Sie sollten mit Switch- und Netzwerkkonzepten [...]

107 Appendix G: Contact I nformation WebView Switches Appendix G: Contact Information Need to contact Linksys? Visit us online for information on the latest products and updates to your existing products at: http://www .linksys.com or ftp.linksys.com Can't find information about a product you want to buy on the web? Do you want to kno w more a[...]