NETGEAR GS748TNA manuale d’uso

202-10233-01 April 2007 NETGEAR , Inc. 4500 Great America Parkway Santa Clara, CA 95054 USA GS748T Sof tware User Manual[...]

ii v2.0, April 2007 © 2007 by NETGEAR, Inc. All rights reserved. FullManual. T rademarks NETGEAR, the NETGEAR logo, and Auto Uplink are trad emarks or register ed trademarks of NETGEAR, Inc. Microsoft, W indows, and W indow s NT are registered trademar ks o f Microsoft Corporation. Other brand and product names are registered trademarks or trad em[...]

v2.0, April 2007 iii Regulatory Compliance Information This section includes user requirements for operating this product in accordance with National laws for usage of radio spectrum and operation of radio devices. Failure of th e end-user to comply with the a pplicable requirements may result in unlawful operation and adverse acti on against the e[...]

v2.0, April 2007 iv FCC Requirement s for Operation in the United S t ates FCC Information to User This product does not contain an y user serviceab le co mponents and is to be us ed with approved antennas only . Any product changes or modifications wi ll invalidate all appl ic able regul atory certification s and approvals FCC Guidelines for Human[...]

v2.0, April 2007 v FCC Declaration Of Confo rmity W e NETGEAR, Inc., 4500 Great America Parkway , Santa Clara, CA 95054, declare under our sole responsib ility that the model GS748T GS748T Smart Switch co mplies with Part 15 of FCC Rules. Op eration is subject to the fo llowi ng two conditions: • This device may not cause harmful interference, an[...]

v2.0, April 2007 vi Product and Publication Det ails Model Number: GS748T Publication Date: April 2007 Product Family: Smart Switch Series Product Name: GS748T Smart Switch Home or Business Prod uc t: Business Language: Engl ish Publication Part Number: 202-10233-01 Publication V ersion Number: 2.0[...]

vii v2.0, April 20 07 Content s GS748T Sof tware User Manual About This Manual Who Should Use this Book .............. ................ ............. ................ ................ ............. ....... xi How to Use This Book .............. ................ ............. ................ ................. ............ .............. xi Conventi[...]

viii v2.0, April 2007 System Functions ..................... ................ ............. ................ ................. ............ ............ 3-6 Firmware Menu ............ ................ ................. ................ ............. ................ ................ ..... 3- 7 Managing System Files—Backup and Restore .. .........[...]

ix v2.0, April 20 07 Appendix C Network Cabling Fast Ethernet Cable Guidelin es ............. ............. ................ ............. ................ ............. . C-1 Category 5 Cable ......... ................ ................. ............ ................. ................ ............. ....... C-1 Category 5 Cable S pecifications .....[...]

x v2.0, April 2007[...]

xi v2.0, April 20 07 About This Manual The NETGEAR ® GS748T Softwar e User Manual describes how to insta ll, configure, operate, and troubleshoot the GS748T Sma r t Switch using its included softwa re. Th is book describes the software configuration procedures and explains the options available w ithin those procedures. Who Should Use this Book Th[...]

GS748T Software User Manual xii v2.0, April 2007 • Appendix C, “Network Ca bling” gives cabling requirements an d describes som e de tails of port cabling connections. Conventions, Format s and Scope The conventions, formats, and scope of this manu al are described in the following paragraphs: • T ypographical Conventions. This manual uses [...]

GS748T Software User Manual xiii v2.0, April 20 07 • Scope. This manual is written for the GS748T switch according to these specifications: For more information abou t network, Internet, firewall, and VP N technologies, use the link to the NETGEAR shown below . HTML Manual Navigation If an HTML version of this manual is provided, it includes the [...]

GS748T Software User Manual xiv v2.0, April 2007 • Printing from PDF . Y our computer must have the free Adobe Acrobat reader installed in order to view and print PDF files. The Acrobat reader is available on the Adobe W eb site at http://www .a dobe.com . – Printing a PDF Chapter . Use the PDF of This Chapter link at the top left of any page. [...]

1-1 v2.0, April 20 07 Chapter 1 Switch Management Overview Switch Management Interface This section gives an overview of switch ma nagem en t, including the meth ods you can use to manage your NETGEAR GS748 T Smart Switch. Y our NETGEAR GS748T Smart Switch contains an embedded web server and management software for managing and monitoring switch fu[...]

GS748T Software User Manual 1-2 Switch Manag ement Ov erview v2.0, April 2007 For a more detailed discussion of the Smart W izard Discovery Utili ty Program, see. For a detailed discussion of the W eb Browser Interfac e, see Chapter 3, “Basic W eb Mana gement” . System Requirement s The following hardware a nd software facilities are required t[...]

2-1 v2.0, April 20 07 Chapter 2 Getting S t arted—Smart Wizard Discovery This section leads you through the steps necessary to begin managing your GS748T Smart Switch. It covers how to install in a network that contains a DHCP server and one without DHCP . Network with DHCP server T o install the sw itch in a network with a DHCP server , proceed [...]

GS748T Software User Manual 2-2 Getting Star ted—Smart W izard Discov ery v2.0, April 2007 6. Make a note of the displayed IP address assi gned by the DHCP server . Y ou will need this value to access the switch directly from a web browser (without using Smart W izard Discovery). 7. Select your switch by clic king on the line that shows it. Then [...]

GS748T Software User Manual Getting Started—Smart Wizard Discov ery 2-3 v2.0, April 20 07 Manually Assigning Network Parameters If your network has no DHCP serv i ce, you must assign a static IP addres s to your switch. If you choose, you can assign it a static IP address even if your network has DHCP service. Proceed as follows: 1. Connect the G[...]

GS748T Software User Manual 2-4 Getting Star ted—Smart W izard Discov ery v2.0, April 2007 NIC Setting on the Host that Accesses the GS7 48T Smart Switch The settings of your network interface card (NIC ) under MS W indows OS are made with entries into the W indows screen pages sh own below . For comparison, the settings pages of the switch are a[...]

GS748T Software User Manual Getting Started—Smart Wizard Discov ery 2-5 v2.0, April 20 07 W eb Access Clicking on the W eb Access button of the Smart W i zard Discovery utility re veals the page shown in below . Use this page to proceed to management of the switch covered in Chapter 3, “Basic W eb Management” . Additional Utilities Alternativ[...]

GS748T Software User Manual 2-6 Getting Star ted—Smart W izard Discov ery v2.0, April 2007 Firmware Upgrade If you click Firmware Upgrad e from the main screen of Figure 2-1 , after you have selected the switch to upgrade, the following screen appears: The application software for the GS748T-series sw itch is upgradeable, en abling your switch to[...]

GS748T Software User Manual Getting Started—Smart Wizard Discov ery 2-7 v2.0, April 20 07 Exit Click Exit from the Switch Setting section to close th e Smart W izard Discovery Utility program.[...]

GS748T Software User Manual 2-8 Getting Star ted—Smart W izard Discov ery v2.0, April 2007[...]

3-1 v2.0, April 20 07 Chapter 3 Basic W eb Management This section contains informatio n for performing basic configuration using yo ur web browser . It also describes how to back up your configuration and ho w to reb oot or reset your router if necessary . The section includes this in formation under the following headings: • “Starting W eb Ma[...]

GS748T Software User Manual 3-2 Basic Web Management v2.0, April 2007 • IP address: 192.168.0.239 • Subnet Mask: 255.255 . 255.0 From the home page thus accessed, as described in the next section, you may want to change the network paramete rs to match those of you r netw ork. This is done using the “Set-up” option selected from the navigat[...]

GS748T Software User Manual Basic Web Manageme nt 3-3 v2.0, April 20 07 4. Enter the password (the factory d efau lt is “password”) and click Lo gin . The GS748T switch home page is displayed as shown b elow . The home page sh ows the Navigation Pane on the left side, which provides a menu to access the various configuration fu nctio ns of the [...]

GS748T Software User Manual 3-4 Basic Web Management v2.0, April 2007 W ithin the various browser interface pages, there are several buttons that you can use. Their names and functions are listed below: • Browse: Locates a certain path for a desired file. • Refresh: Pulls that screen’ s data from current values on the system • Apply: Submit[...]

GS748T Software User Manual Basic Web Manageme nt 3-5 v2.0, April 20 07 • VLAN Settings: T wo alternatives may show , depe nding upon the switch configuration. These options are mutually exclusive. • IEEE 802.1Q VLAN Settings: shows, by VLAN ID (PVID), which ports belong and whether their egress packets are tagged or untagged. • Port-Based VL[...]

GS748T Software User Manual 3-6 Basic Web Management v2.0, April 2007 Port T runking is a feature that enables multiple links between switches to work as one virtual link (aggregate link). T runks can be defined for similar port types on ly . For example, a 10/100 port cannot form a Port T runk with a gigabit port. T r unks can only be formed withi[...]

GS748T Software User Manual Basic Web Manageme nt 3-7 v2.0, April 20 07 The switch default state allows access from any IP address. If you enter authorized IP addresses, be sure to include the IP address of your own management PC. • Set-up: T he following diagram sho ws a typical Set-up screen. Use it to enter the name and location of your switch[...]

GS748T Software User Manual 3-8 Basic Web Management v2.0, April 2007 T o back up files: 1. Select Configuration Back up => backup. Th e Configuration Upload Page appears: 2. Select Backup to save the settings to a file. Enter the name of the tar get file and click start. T o restore saved settings: From the Configuration Backup scr een, enter t[...]

GS748T Software User Manual Basic Web Manageme nt 3-9 v2.0, April 20 07 • Use the restore Factory Defaults button on the right-hand side of the front panel—see the appropriate installation guide fo r your switch for more details. The effect of each of these alternatives is identical. Resetting the System Resetting reboots the embedded operating[...]

GS748T Software User Manual 3-10 Basic Web Management v2.0, April 2007[...]

4-1 v2.0, April 20 07 Chapter 4 Configuring the Switch Using the Switch Configuration Utility The Navigation Pane on the left ha nd side of the home page con t ains a Switch Menu which enables you to man age your GS748T Smart Switch with features under the fo llo wing main headings: • Port Configuration • S tatistics •Q o S •V L A N •T r [...]

GS748T Software User Manual 4-2 Configuring the S witch v2.0, April 2007 Port Configuration Y ou can configure port attributes per port by clicki ng a port ID number at the port setting menu. 1. Click on Port Configuration in the Menu Sidebar; the port configuration page app ea rs. 2. Click on a Port ID number in the firs t column; a port setting w[...]

GS748T Software User Manual Configuring the Switch 4-3 v2.0, April 20 07 • Speed: Indicates the communica tion mode set for the port. Th e default setting for all ports is Auto-negotiation (Auto). The possible entries are: • Auto: Auto-negotiation • 100M Full: 100 Mbps full duplex • 100M Hal f: 100 Mbps half du plex • 10M Full: 10 Mbps fu[...]

GS748T Software User Manual 4-4 Configuring the S witch v2.0, April 2007 • Rx Error: Received packet/s with error . Packet s are counted as contributing to RX Error if they: • W ere less than 64 bytes or gr eater than 1522 bytes in size • Had a bad FCS • W ere dropped due to lack of resources. 1. Click on St a t i s t i c s in the main menu[...]

GS748T Software User Manual Configuring the Switch 4-5 v2.0, April 20 07 Regulating T raffic Rates usin g Quality of Service Settings Quality of Service (QoS) is used to manage traffic in a network by treating dif ferent types of traffic with different levels of priority . Higher priority tra ffic receives preferential treatment during times of swi[...]

GS748T Software User Manual 4-6 Configuring the S witch v2.0, April 2007 Differentiated Services Code Point (DSCP)-based QoS The Differentiated Services Code Poi nt (DSCP) 6-bit field in an IP packet header enables le vels of service to be assigned to network traffic according to the field’ s binary value. This 6-bit field comprises three IP Prec[...]

GS748T Software User Manual Configuring the Switch 4-7 v2.0, April 20 07 VLAN Page A V irtual Local Area Network (VLAN) is a means of electronically separating ports on the same switch from a single broadcast domain into separate broadcast domains. By using VLANs, users can group nodes by logical fu nction instead of p hysical location. For ex ampl[...]

GS748T Software User Manual 4-8 Configuring the S witch v2.0, April 2007 Adding and Configuring IEEE 802.1Q VLAN Group s 1. From the main Navigatio n Pane menu, select: VLAN → VLAN Group Setting → IEEE 802.1Q VLAN ; a screen appears show ing a VLAN selection window with a ta ble that lists all of the port s with their VLAN membership. If you ha[...]

GS748T Software User Manual Configuring the Switch 4-9 v2.0, April 20 07 • Blank space ( not a member of a VLAN); use this op tion to remove a port-VLAN association. Click Apply . 4. Configure Primary VLAN ID (PVID): T o enable untagged packets to appear in yo ur re quired VLAN, be sure to change the PVIDs for the relevant ports. Access the PVID [...]

GS748T Software User Manual 4-10 Configuring the S witch v2.0, April 2007 Adding and Configuring Port-based VLANs 1. From the main Naviga tion Pane menu, select: Switch → VLAN → VLAN Group Setting → Port-based VLAN ; a screen appears showing a VLAN selection window with a table that lists all of the ports with their VLAN membership. If you ha[...]

GS748T Software User Manual Configuring the Switc h 4-11 v2.0, April 20 07 Selecting a Management VLAN 1. From the main Naviga tion Pane menu, select: Switch → VLAN → Management VLAN ; the Management VLAN window app ears. 2. In the Management V L AN ID wind ow , select the VID that you want to use for switch management. 3. Click Apply Creating [...]

GS748T Software User Manual 4-12 Configuring the S witch v2.0, April 2007 T o se lect Trunk members for a T runk group, click Apply to activate the new setting Setting up Port T runks 1. From the main Navigatio n Pane menu, select: Switch → T runking ; The T runk Setting table is displayed. 2. Check the boxes against the port numbers in the table[...]

GS748T Software User Manual Configuring the Switc h 4-13 v2.0, April 20 07 Removing Port T runks 1. From the main Navigatio n Pane menu, select: Switch → T runking ; The T runk Setting table is displayed. 2. Uncheck the appropriate boxes agains t the port numbers in the table. 3. Click Apply to save the settings. Using a Sniffer Port to Monitor T[...]

GS748T Software User Manual 4-14 Configuring the S witch v2.0, April 2007 5. Click Apply to save the settings. Jumbo Frame Support Jumbo Frames are not an approved standa rd Ethernet frame size, so you must ensure that all of your networking equipment can su pport these frames to prev ent them from being dr opped. The GS748T switch can carry a maxi[...]

GS748T Software User Manual Configuring the Switc h 4-15 v2.0, April 20 07 T o enable Rate Limits: 1. From the main Navigatio n Pane menu, select: Switch → Advanced → Rate Limits; The Rate Limit Setting page is displaye d. with a table of port numbers. 2. Click on a Port number in the table; the Rate Limit wi n dow for that port appears. 3. Fro[...]

GS748T Software User Manual 4-16 Configuring the S witch v2.0, April 2007 The GS748T switch su pports Rapid Spanning T ree Protocol (defined by IEEE 80 2.1w), which is an improvement (over th e 802.1D STP) that shortens connec tion latency between nodes. The resultant path between nodes determined b y RSTP is the same as that even tually determined[...]

GS748T Software User Manual Configuring the Switc h 4-17 v2.0, April 20 07 T o set up RSTP: 1. From the main Naviga tion Pane menu, select: Switch → Advanced → Spanni ng T ree; The IEEE 802.1W RSTP Setting page shown i n The following screen is displayed. with a table of port numbers that can be set as enabled or disabled. 2. Select Enable (RST[...]

GS748T Software User Manual 4-18 Configuring the S witch v2.0, April 2007 Enabling Switch Management using SNMP SNMP (Simple Network Management Prot ocol) is a transport protocol used for network management. The p rotocol is used in comm un icati on between a Ma nager—the management station—and an agent within the managed device, in this case y[...]

GS748T Software User Manual Configuring the Switc h 4-19 v2.0, April 20 07 2. In the text boxes along on e line, enter the following: • Y our Mana ger host IP address • Community n ame • Privilege—select ReadOnly or ReadW rite • T ra ps—s elect the those that you want to receive from T1 , T2 , and T3 (explained above) • Admin—set to[...]

GS748T Software User Manual 4-20 Configuring the S witch v2.0, April 2007 If your switch is set up with Port-based VLANS, in the windows provided, enter the Port and MAC Address in conventional six hexadeci mal pair and colon separator format. If your switch is set up wit 802.1Q VLANs, enter: Port , VLAN I D , and MAC Address in conventional six h [...]

GS748T Software User Manual Configuring the Switc h 4-21 v2.0, April 20 07 2. Select Enable or Disable 3. Click Apply to save your settings. Setting Up S t atic Multicast Group s Y ou can specify spec ific ports and VLANs for receiving Multicast packets with specific MAC addresses. The MAC addresses are IPv4 Multicast Addresses (RFC11 12A) of the f[...]

GS748T Software User Manual 4-22 Configuring the S witch v2.0, April 2007[...]

Specifications and Default Values A-1 v2.0, April 20 07 Appendix A S pecifications and Default V a lues GS748T Smart Switch S pecifications The GS748T S mart Switch confor ms to the TCP/IP , UDP , HTTP , ICMP , TFTP , DHCP , 802.1D, 802.1p, and 802.1Q stand ards. T able A-1. GS748T Smart Switch Specif ications Feature Va l u e Interfaces 48G (P01 -[...]

GS748T Software User Manual A-2 Specification s and Default Values v2.0, April 2007 GS748T Smart Switch Features and Default s T a ble A-3. Port Characteristics Feature Sets Supported Default Auto-Negotiation / S t atic S peed / Duplex 48 (per-port) Auto-Negotiation Auto MDI/MDIX N/A Enabled 802.3x flow control / Back Pressure 48 (per-port) Enabled[...]

GS748T Software User Manual Specifications and Default Values A- 3 v2.0, April 20 07 T rust MacAddress Filter 256 Disabled Port -MAC lock down 48 (per port) Disabled Management VLAN 1 0 T able A-6. T raffic Control Feature Sets Supported Default Rate control 48 (per port) Disabled S torm control 1 (per switch) Disabled Jumbo frame 48 (per port) Dis[...]

GS748T Software User Manual A-4 Specification s and Default Values v2.0, April 2007 Smart Wizard N/A Enab led S t atistics 48 (per port) N/A T able A-9. Management Feature Sets Supported Default[...]

Virtual Local Area Networks (VLANs) B-1 v2.0, April 20 07 Appendix B V irtual Local Area Networks (VLANs) A Local Area Network (LAN) can genera lly be defi ned as a broadcast domain. Hubs, bridges or switches in the same physical se gment or segments connect all en d node devices. End nodes can communicate with each other without the need for a rou[...]

GS748T Software User Manual B-2 Virtual Local Ar ea Networks (VLANs) v2.0, April 2007 IEEE 802.1Q VLANs Packets rece ived by the switch ar e treated in the following way: • When an untagged packet enters a por t, it is automat ically tagged with the port’ s default VLAN ID tag number . Each port has a default VL AN ID setting that is user-confi[...]

GS748T Software User Manual Virtual Local Area Networks (VLANs) B-3 v2.0, April 20 07 4. The following situations produce results as described: • If an untagged packet enters Port 1, the switch tags it with a VLAN tag value 10. The packet has access to Port 2 and Port 3. The outg oing packet is stripped of its tag to leaves Port 2 as an untagged [...]

GS748T Software User Manual B-4 Virtual Local Ar ea Networks (VLANs) v2.0, April 2007 • Setting up third VLAN group (Marketing), VLAN ID = 03, with membership of ports 7~14, 25. • Setting up fourth VLAN group (Accounting), VLAN ID = 04, with membership of ports 19~20, 25. • Setting up first VLAN group (IT), VLAN ID = 01, with membership of al[...]

Network Cabling C-1 v2.0, April 20 07 Appendix C Network Cabling This appendix provides specifications for cab les used with a NETGEAR GS748T Smart Switch. Fast Ethernet Cable Guidelines Fast Ethernet uses UTP cable, as specified in the IEEE 802.3u standard for 100BASE-TX.The specification requires Category 5 UTP cable consis ting of either two-pai[...]

GS748T Software User Manual C-2 Network Cabling v2.0, April 2007 Category 5 Cable S pecifications Ensure that the fiber cable is crossed over to guarantee link. Ta b l e C - 1 lists the electrical requirements of Category 5 UTP cable. T wisted Pair Cables For two devices to communicate, th e transmitter of each device must be connected to the recei[...]

GS748T Software User Manual Network Cabling C-3 v2.0, April 20 07 Figure C-1Straight-Through T wisted-Pair Cable Figure C-2 illustrates crossover twisted pair cable. Figure C-2Crossover T wisted-Pair Cable Patch Panels and Cables If you are using patch panels, make sure th at they meet the 100BASE- TX requirements. Use Category 5 UTP cable for all [...]

GS748T Software User Manual C-4 Network Cabling v2.0, April 2007 Using 1000BASE-T Gigabit Ethern et over Category 5 Cable When using the new 1000BASE-T standard, the limitations of cable installations and the steps necessary to ensure optimum perform ance must be considered. The most important components in your cabling system are patch pane l conn[...]

GS748T Software User Manual Network Cabling C-5 v2.0, April 20 07 Length The maximum distance limitation between two pieces of equipment is 100 m, as per the original Ethernet specification. The end-to -end link is called the “channel.” TSB-67 defines the “Basic Link” which is the po rtion of the link that is part of the bui lding infrastru[...]

GS748T Software User Manual C-6 Network Cabling v2.0, April 2007 Patch Cables When installi ng your equipment, rep lace old patch panel cables that do not meet Catego ry 5e specifications. As pointed out in the NEXT sectio n, this near end pi ece of cabl e is critical fo r successful operation. RJ-45 Plug and RJ-45 Connectors In a Fast Ethernet net[...]

GS748T Software User Manual Network Cabling C-7 v2.0, April 20 07 Conclusion For optimum performanc e of your 1000BASE-T product, it is important to fully qualify you r cable installation and ensure that it meets or exceeds ANSI/EIA/TIA-568-A:1995 or ISO/IEC 1 1801:1995 Category 5 specifications. Install Cate gory 5e cable where possible, including[...]

GS748T Software User Manual C-8 Network Cabling v2.0, April 2007[...]