Page 2 - Trademarks
ii v2.0, April 2007 © 2007 by NETGEAR, Inc. All rights reserved. FullManual. Trademarks NETGEAR, the NETGEAR logo, and Auto Uplink are trademarks or registered trademarks of NETGEAR, Inc. Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation. Other brand and product n...
Page 3 - Regulatory Compliance Information
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 the end-user to comply with the applicable requirements may result in unla...
Page 4 - FCC Requirements for Operation in the United States; FCC Information to User
v2.0, April 2007 iv FCC Requirements for Operation in the United States FCC Information to User This product does not contain any user serviceable components and is to be used with approved antennas only. Any product changes or modifications will invalidate all applicable regulatory certifications a...
Page 5 - FCC Declaration Of Conformity; FCC Radio Frequency Interference Warnings & Instructions; GS748T Smart Switch
v2.0, April 2007 v FCC Declaration Of Conformity We NETGEAR, Inc., 4500 Great America Parkway, Santa Clara, CA 95054, declare under our sole responsibility that the model GS748T GS748T Smart Switch complies with Part 15 of FCC Rules. Operation is subject to the following two conditions: • This devic...
Page 6 - Product and Publication Details
v2.0, April 2007 vi Product and Publication Details Model Number: GS748T Publication Date: April 2007 Product Family: Smart Switch Series Product Name: GS748T Smart Switch Home or Business Product: Business Language: English Publication Part Number: 202-10233-01 Publication Version Number: 2.0
Page 7 - Contents; GS748T Software User Manual; About This Manual
vii v2.0, April 2007 Contents GS748T Software User Manual About This Manual Who Should Use this Book ............................................................................................... xiHow to Use This Book ...................................................................................
Page 11 - NETGEAR®; Who Should Use this Book; Chapter 1, “Switch Management Overview”
xi v2.0, April 2007 About This Manual The NETGEAR® GS748T Software User Manual describes how to install, configure, operate, and troubleshoot the GS748T Smart Switch using its included software. This book describes the software configuration procedures and explains the options available within those...
Page 12 - Appendix C, “Network Cabling”; Conventions, Formats and Scope; Typographical Conventions.; This manual uses the following typographical conventions:
GS748T Software User Manual xii v2.0, April 2007 • Appendix C, “Network Cabling” gives cabling requirements and describes some details of port cabling connections. Conventions, Formats and Scope The conventions, formats, and scope of this manual are described in the following paragraphs: • Typograph...
Page 13 - HTML Manual Navigation; Printing a Page from HTML
GS748T Software User Manual xiii v2.0, April 2007 • Scope. This manual is written for the GS748T switch according to these specifications: For more information about network, Internet, firewall, and VPN technologies, use the link to the NETGEAR shown below. HTML Manual Navigation If an HTML version ...
Page 14 - Printing from PDF; PDF of This Chapter; Printing a PDF version of the Complete Manual; Complete PDF Manual; Revision History
GS748T Software User Manual xiv v2.0, April 2007 • Printing from PDF . Your 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 Web site at http://www.adobe.com . – Printing a PDF Chapter. Use the PDF of This C...
Page 15 - Switch Management Interface
1-1 v2.0, April 2007 Chapter 1 Switch Management Overview Switch Management Interface This section gives an overview of switch management, including the methods you can use to manage your NETGEAR GS748T Smart Switch. Your NETGEAR GS748T Smart Switch contains an embedded web server and management sof...
Page 16 - Chapter 3, “Basic Web Management”; System Requirements; Ethernet network with or without DHCP server as appropriate (see; Switch Management Methods
GS748T Software User Manual 1-2 Switch Management Overview v2.0, April 2007 For a more detailed discussion of the Smart Wizard Discovery Utility Program, see. For a detailed discussion of the Web Browser Interface, see Chapter 3, “Basic Web Management” . System Requirements The following hardware an...
Page 17 - Network with DHCP server; Connect the GS748T switch to a DHCP network.; Discover; should see a screen similar to that shown below.
2-1 v2.0, April 2007 Chapter 2 Getting Started—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 To install the switch ...
Page 18 - Network without DHCP Server; Manually assign network parameters for your switch
GS748T Software User Manual 2-2 Getting Started—Smart Wizard Discovery v2.0, April 2007 6. Make a note of the displayed IP address assigned by the DHCP server. You will need this value to access the switch directly from a web browser (without using Smart Wizard Discovery). 7. Select your switch by c...
Page 19 - Manually Assigning Network Parameters
GS748T Software User Manual Getting Started—Smart Wizard Discovery 2-3 v2.0, April 2007 Manually Assigning Network Parameters If your network has no DHCP service, you must assign a static IP address to your switch. If you choose, you can assign it a static IP address even if your network has DHCP se...
Page 20 - NIC Setting on the Host that Accesses the GS748T Smart Switch
GS748T Software User Manual 2-4 Getting Started—Smart Wizard Discovery v2.0, April 2007 NIC Setting on the Host that Accesses the GS748T Smart Switch The settings of your network interface card (NIC) under MS Windows OS are made with entries into the Windows screen pages shown below. For comparison,...
Page 21 - Web Access; Chapter 3, “Basic Web; Additional Utilities; Password Change
GS748T Software User Manual Getting Started—Smart Wizard Discovery 2-5 v2.0, April 2007 Web Access Clicking on the Web Access button of the Smart Wizard Discovery utility reveals the page shown in below. Use this page to proceed to management of the switch covered in Chapter 3, “Basic Web Management...
Page 22 - If you click; Firmware Upgrade; from the main screen of; Firmware Path; Click; Start
GS748T Software User Manual 2-6 Getting Started—Smart Wizard Discovery v2.0, April 2007 Firmware Upgrade If you click Firmware Upgrade 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 swit...
Page 23 - Exit
GS748T Software User Manual Getting Started—Smart Wizard Discovery 2-7 v2.0, April 2007 Exit Click Exit from the Switch Setting section to close the Smart Wizard Discovery Utility program.
Page 25 - Starting Web Management
3-1 v2.0, April 2007 Chapter 3 Basic Web Management This section contains information for performing basic configuration using your web browser. It also describes how to backup your configuration and how to reboot or reset your router if necessary. The section includes this information under the fol...
Page 26 - The NETGEAR Home Page and Switch Status; To start the application:; Enter
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 parameters to match those of your network. This is done using the “Set...
Page 27 - The main pane, entitled; Switch Status; gives a list that shows the condition of the functions; Refresh; The header of the page shows the following links:
GS748T Software User Manual Basic Web Management 3-3 v2.0, April 2007 4. Enter the password (the factory default is “password”) and click Login. The GS748T switch home page is displayed as shown below. The home page shows the Navigation Pane on the left side, which provides a menu to access the vari...
Page 28 - Description of Switch Status Parameters; either
GS748T Software User Manual 3-4 Basic Web Management v2.0, April 2007 Within 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 curr...
Page 29 - Port-Based VLAN Settings: shows which ports belong to each VLAN ID.
GS748T Software User Manual Basic Web Management 3-5 v2.0, April 2007 • VLAN Settings: Two alternatives may show, depending 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 ...
Page 30 - System Functions; Add
GS748T Software User Manual 3-6 Basic Web Management v2.0, April 2007 Port Trunking is a feature that enables multiple links between switches to work as one virtual link (aggregate link). Trunks can be defined for similar port types only. For example, a 10/100 port cannot form a Port Trunk with a gi...
Page 31 - Firmware Menu; This menu item is found at the bottom of the menu bar. It contains; Configuration Backup; and; Factory Reset; their utility may be needed early in the configuration process.; Managing System Files—Backup and Restore
GS748T Software User Manual Basic Web Management 3-7 v2.0, April 2007 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: The following diagram shows a typical Set-up screen. Use it t...
Page 32 - Backup
GS748T Software User Manual 3-8 Basic Web Management v2.0, April 2007 To back up files: 1. Select Configuration Backup => backup. The Configuration Upload Page appears: 2. Select Backup to save the settings to a file. Enter the name of the target file and click start. To restore saved settings: F...
Page 33 - The effect of each of these alternatives is identical.; Resetting the System; Logout
GS748T Software User Manual Basic Web Management 3-9 v2.0, April 2007 • Use the restore Factory Defaults button on the right-hand side of the front panel—see the appropriate installation guide for your switch for more details. The effect of each of these alternatives is identical. Resetting the Syst...
Page 35 - Using the Switch Configuration Utility
4-1 v2.0, April 2007 Chapter 4 Configuring the Switch Using the Switch Configuration Utility The Navigation Pane on the left hand side of the home page contains a Switch Menu which enables you to manage your GS748T Smart Switch with features under the following main headings: • Port Configuration • ...
Page 36 - Click on; Port Configuration; in the Menu Sidebar the port configuration page appears.
GS748T Software User Manual 4-2 Configuring the Switch v2.0, April 2007 Port Configuration You can configure port attributes per port by clicking a port ID number at the port setting menu. 1. Click on Port Configuration in the Menu Sidebar; the port configuration page appears. 2. Click on a Port ID ...
Page 37 - on; Apply; Viewing Packet Statistics
GS748T Software User Manual Configuring the Switch 4-3 v2.0, April 2007 • Speed: Indicates the communication mode set for the port. The default setting for all ports is Auto-negotiation (Auto). The possible entries are: • Auto: Auto-negotiation • 100M Full: 100 Mbps full duplex • 100M Half: 100 Mbps...
Page 38 - Statistics
GS748T Software User Manual 4-4 Configuring the Switch v2.0, April 2007 • Rx Error: Received packet/s with error. Packets are counted as contributing to RX Error if they: • Were less than 64 bytes or greater than 1522 bytes in size • Had a bad FCS • Were dropped due to lack of resources. 1. Click on...
Page 39 - Regulating Traffic Rates using Quality of Service Settings; Three implementations of QoS are supported:; High
GS748T Software User Manual Configuring the Switch 4-5 v2.0, April 2007 Regulating Traffic Rates using Quality of Service Settings Quality of Service (QoS) is used to manage traffic in a network by treating different types of traffic with different levels of priority. Higher priority traffic receive...
Page 41 - VLAN Page
GS748T Software User Manual Configuring the Switch 4-7 v2.0, April 2007 VLAN Page A Virtual 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 func...
Page 42 - Adding and Configuring IEEE 802.1Q VLAN Groups; From the main Navigation Pane menu, select:; VLAN; a screen appears showing a; Add new VLAN; Add VLAN group members as you require:
GS748T Software User Manual 4-8 Configuring the Switch v2.0, April 2007 Adding and Configuring IEEE 802.1Q VLAN Groups 1. From the main Navigation Pane menu, select: VLAN → VLAN Group Setting → IEEE 802.1Q VLAN ; a screen appears showing a VLAN selection window with a table that lists all of the por...
Page 43 - Reconfiguring an IEEE 802.1Q VLAN Group; Deleting an
GS748T Software User Manual Configuring the Switch 4-9 v2.0, April 2007 • Blank space (not a member of a VLAN); use this option to remove a port-VLAN association. Click Apply . 4. Configure Primary VLAN ID (PVID): To enable untagged packets to appear in your required VLAN, be sure to change the PVID...
Page 44 - Adding and Configuring Port-based VLANs; Deleting a
GS748T Software User Manual 4-10 Configuring the Switch v2.0, April 2007 Adding and Configuring Port-based VLANs 1. From the main Navigation 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 p...
Page 45 - Selecting a Management VLAN; Switch; Click Apply; Creating Port Trunks to Increase Link Bandwidth
GS748T Software User Manual Configuring the Switch 4-11 v2.0, April 2007 Selecting a Management VLAN 1. From the main Navigation Pane menu, select: Switch → VLAN → Management VLAN ; the Management VLAN window appears. 2. In the Management VLAN ID window, select the VID that you want to use for switc...
Page 47 - Removing Port Trunks; Using a Sniffer Port to Monitor Traffic
GS748T Software User Manual Configuring the Switch 4-13 v2.0, April 2007 Removing Port Trunks 1. From the main Navigation Pane menu, select: Switch → Trunking ; The Trunk Setting table is displayed. 2. Uncheck the appropriate boxes against the port numbers in the table. 3. Click Apply to save the se...
Page 48 - Jumbo Frame Support
GS748T Software User Manual 4-14 Configuring the Switch v2.0, April 2007 5. Click Apply to save the settings. Jumbo Frame Support Jumbo Frames are not an approved standard Ethernet frame size, so you must ensure that all ofyour networking equipment can support these frames to prevent them from being...
Page 49 - Storm Control (Dropping Traffic that is Flooding a Port)
GS748T Software User Manual Configuring the Switch 4-15 v2.0, April 2007 To enable Rate Limits: 1. From the main Navigation Pane menu, select: Switch → Advanced → Rate Limits; The Rate Limit Setting page is displayed. with a table of port numbers. 2. Click on a Port number in the table; the Rate Lim...
Page 50 - learning
GS748T Software User Manual 4-16 Configuring the Switch v2.0, April 2007 The GS748T switch supports Rapid Spanning Tree Protocol (defined by IEEE 802.1w), which is an improvement (over the 802.1D STP) that shortens connection latency between nodes. The resultant path between nodes determined by RSTP...
Page 52 - Enabling Switch Management using SNMP; Trap Events are indicated in 3 columns:; the switch configuration utility displays the following
GS748T Software User Manual 4-18 Configuring the Switch v2.0, April 2007 Enabling Switch Management using SNMP SNMP (Simple Network Management Protocol) is a transport protocol used for network management. The protocol is used in communication between a Manager—the management station—and an agent wi...
Page 53 - Controlling Switch Access by MAC Address and VLAN ID; To Add a MAC Address
GS748T Software User Manual Configuring the Switch 4-19 v2.0, April 2007 2. In the text boxes along one line, enter the following: • Your Manager host IP address • Community name • Privilege—select ReadOnly or ReadWrite • Traps—select the those that you want to receive from T1 , T2 , and T3 (explain...
Page 54 - To Remove a MAC Address from the Table; Using
GS748T Software User Manual 4-20 Configuring the Switch 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 hexadecimal pair and colon separator format. If your switch is set up wit 802.1Q VLANs, enter: Port , V...
Page 55 - Setting Up Static Multicast Groups
GS748T Software User Manual Configuring the Switch 4-21 v2.0, April 2007 2. Select Enable or Disable 3. Click Apply to save your settings. Setting Up Static Multicast Groups You can specify specific ports and VLANs for receiving Multicast packets with specific MAC addresses. The MAC addresses are IP...
Page 57 - Appendix A; GS748T Smart Switch Specifications; Table A-1. GS748T Smart Switch Specifications
Specifications and Default Values A-1 v2.0, April 2007 Appendix A Specifications and Default Values GS748T Smart Switch Specifications The GS748T Smart Switch conforms to the TCP/IP, UDP, HTTP, ICMP, TFTP, DHCP, 802.1D, 802.1p, and 802.1Q standards. Table A-1. GS748T Smart Switch Specifications Feat...
Page 58 - GS748T Smart Switch Features and Defaults
GS748T Software User Manual A-2 Specifications and Default Values v2.0, April 2007 GS748T Smart Switch Features and Defaults Table A-3. Port Characteristics Feature Sets Supported Default Auto-Negotiation /Static Speed / Duplex 48 (per-port) Auto-Negotiation Auto MDI/MDIX N/A Enabled 802.3x flow con...
Page 61 - Appendix B; The Advantages of VLANs:
Virtual Local Area Networks (VLANs) B-1 v2.0, April 2007 Appendix B Virtual Local Area Networks (VLANs) A Local Area Network (LAN) can generally be defined as a broadcast domain. Hubs, bridges or switches in the same physical segment or segments connect all end node devices. End nodes can communicat...
Page 62 - Packets received by the switch are treated in the following way:; Example; Configure the VLAN membership. Be sure to set all of them as follows.
GS748T Software User Manual B-2 Virtual Local Area Networks (VLANs) v2.0, April 2007 IEEE 802.1Q VLANs Packets received by the switch are treated in the following way: • When an untagged packet enters a port, it is automatically tagged with the port’s default VLAN ID tag number. Each port has a defa...
Page 63 - The following situations produce results as described:; Port-based VLAN Example Configuration; Setup the following VLANs, each with defined descriptions:
GS748T Software User Manual Virtual Local Area Networks (VLANs) B-3 v2.0, April 2007 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 outgoing packet is stripp...
Page 64 - The specific ports above have the following functions:; Results of this Configuration; If an IT user sends out a broadcast message, everyone receives it.
GS748T Software User Manual B-4 Virtual Local Area 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 grou...
Page 65 - Appendix C; Fast Ethernet Cable Guidelines
Network Cabling C-1 v2.0, April 2007 Appendix C Network Cabling This appendix provides specifications for cables 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 Ca...
Page 66 - Category 5 Cable Specifications; Ensure that the fiber cable is crossed over to guarantee link.; Twisted Pair Cables; illustrates straight-through twisted pair cable.; Table C-1. Electrical Requirements of Category 5 Cable
GS748T Software User Manual C-2 Network Cabling v2.0, April 2007 Category 5 Cable Specifications Ensure that the fiber cable is crossed over to guarantee link. Table C-1 lists the electrical requirements of Category 5 UTP cable. Twisted Pair Cables For two devices to communicate, the transmitter of ...
Page 67 - illustrates crossover twisted pair cable.; Patch Panels and Cables
GS748T Software User Manual Network Cabling C-3 v2.0, April 2007 Figure C-1Straight-Through Twisted-Pair Cable Figure C-2 illustrates crossover twisted pair cable. Figure C-2Crossover Twisted-Pair Cable Patch Panels and Cables If you are using patch panels, make sure that they meet the 100BASE-TX re...
Page 68 - Using 1000BASE-T Gigabit Ethernet over Category 5 Cable; Cabling
GS748T Software User Manual C-4 Network Cabling v2.0, April 2007 Using 1000BASE-T Gigabit Ethernet over Category 5 Cable When using the new 1000BASE-T standard, the limitations of cable installations and the steps necessary to ensure optimum performance must be considered. The most important compone...
Page 69 - Length; Factors that affect the return loss are:
GS748T Software User Manual Network Cabling C-5 v2.0, April 2007 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 portion of the link ...
Page 70 - Patch Cables
GS748T Software User Manual C-6 Network Cabling v2.0, April 2007 Patch Cables When installing your equipment, replace old patch panel cables that do not meet Category 5e specifications. As pointed out in the NEXT section, this near end piece of cable is critical for successful operation. RJ-45 Plug ...
Page 71 - Conclusion
GS748T Software User Manual Network Cabling C-7 v2.0, April 2007 Conclusion For optimum performance of your 1000BASE-T product, it is important to fully qualify your cable installation and ensure that it meets or exceeds ANSI/EIA/TIA-568-A:1995 or ISO/IEC 11801:1995 Category 5 specifications. Instal...
