NETGEAR GS748TNA Software User Manual
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NETGEAR GS748TNA Software User Manual

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Smart Switch Software
User Manual GS748T
NETGEAR, Inc.
4500 Great America Parkway
Santa Clara, CA 95054 USA
202-10331-01
October 2007

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  • Page 1 Smart Switch Software User Manual GS748T NETGEAR, Inc. 4500 Great America Parkway Santa Clara, CA 95054 USA 202-10331-01 October 2007...
  • Page 2 In the interest of improving internal design, operational function, and/or reliability, NETGEAR reserves the right to make changes to the products described in this document without notice. NETGEAR does not assume any liability that may occur due to the use or application of the product(s) or circuit layout(s) described herein.
  • Page 3 Product and Publication Details Model Number: GS748T Publication Date: October 2007 Product Family: Smart Switch Series Product Name: GS748T Smart Switch Home or Business Product: Business Language: English Publication Part Number: 202-10331-01 Publication Version Number: v1.0, October 2007...
  • Page 4 v1.0, October 2007...

  • Page 5: Table Of Contents

    Contents Smart Switch Software User Manual GS748T About This Manual Who Should Use this Book ....................ix How to Use This Book ...................... ix Conventions, Formats and Scope ..................x HTML Manual Navigation ....................xi How to Print this Manual ....................xii Revision History ........................xii Chapter 1 Switch Management Overview...
  • Page 6 Managing Your System Configuration ................3-5 Saving and Restoring Your Configuration ..............3-5 Performing a Factory Reset or a Device Reboot .............3-6 Chapter 4 Configuring the Switch Configuring Ports ......................4-1 Configuring the Link Aggregation Group (LAG) ..............4-3 Setting Up SNMP ......................4-5 Configuring and Creating VLANs ...................4-7 Adding and Configuring IEEE 802.1Q VLAN Groups ..........4-8 Configuring Port-Based VLANs ................4-10 Selecting a Management VLAN ................
  • Page 7 Port-based VLANs ......................B-3 Port-based VLAN Example Configuration ............... B-3 VLAN Configuration Results ................... B-4 Appendix C Network Cabling Fast Ethernet Cable Guidelines ..................C-1 Category 5 Cable ......................C-1 Category 5 Cable Specifications ................C-2 Twisted Pair Cables ....................C-2 Cabling ........................
  • Page 8 viii Contents v1.0, October 2007...

  • Page 9: About This Manual

    About This Manual The NETGEAR ® Smart Switch Software User Manual GS748T 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 procedures.

  • Page 10: Conventions, Formats And Scope

    The release notes detail the platform specific functionality of the Switching, SNMP, Config, and Management packages. Note: Although this document applies to the NETGEAR ® GS748T Smart Switch, some of the illustrations used may show references to other switch model numbers.

  • Page 11: Html Manual Navigation

    • button to access the full NETGEAR, Inc. online knowledge base for the product model. • Links to PDF versions of the full manual and individual chapters.

  • Page 12: How To Print This Manual

    Smart Switch Software User Manual GS748T How to Print this Manual To print this manual, you can choose one of the following options, according to your needs. • Printing a Page from HTML. Each page in the HTML version of the manual is dedicated to →...

  • Page 13: Switch Management Overview

    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 software for managing and monitoring switch functions. This switch will function as a simple switch without using the management software but its use enables you to configure more advanced features and consequently improve switch efficiency and the overall performance of your network.

  • Page 14: System Requirements

    Smart Switch Software User Manual GS748T Table 1-1. Switch Management Methods Management Method Features Smartwizard Discovery Utility No IP address or subnet mask setup needed program Discover all switches on the network User-friendly interface under Microsoft Windows Firmware upgrade capability Password change feature Provides entry to web configuration of switch Web browser...

  • Page 15: Using The Smartwizard Discovery Utility

    Chapter 2 Using the Smartwizard Discovery Utility 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 in a network with a DHCP server, proceed as follows: 1.

  • Page 16: Network Without Dhcp Server

    Smart Switch Software User Manual GS748T 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 Smartwizard Discovery). 7. Select your switch by clicking on the line that displays the switch address. Then click Web Access.

  • Page 17: Manually Assigning Network Parameters

    Smart Switch Software User Manual GS748T 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 a static IP address to the switch even if your network has DHCP service. To manually assign a static IP address to your switch: 1.

  • Page 18: Configuring Your Nic Settings

    Smart Switch Software User Manual GS748T Configuring Your NIC Settings The settings of your NIC on the host that accesses the GS748T Smart Switch, under MS Windows OS, are made with entries into the Windows screens shown below. For comparison, the settings of the switch are also shown although they do not appear in the Windows view.

  • Page 19: Smartwizard Utilities

    Smart Switch Software User Manual GS748T Figure 2-5 Smartwizard Utilities Alternatively, from the Smartwizard main page of Figure 2-1 you can access the following features: • Password Change • Firmware Upgrade Password Change You can set a new password of up to 20 ASCII characters. 1.
  • Page 20 Smart Switch Software User Manual GS748T have downloaded or otherwise obtained the firmware upgrade and that you have it available as a binary file on your computer. This procedure uses the TFTP protocol to implement the transfer from computer to switch. To upgrade your firmware: 1.

  • Page 21: Exit

    Smart Switch Software User Manual GS748T Exit Click Exit from the Switch Setting section to close the Smartwizard Discovery Utility program. Using the Smartwizard Discovery Utility v1.0, October 2007...
  • Page 22 Smart Switch Software User Manual GS748T Using the Smartwizard Discovery Utility v1.0, October 2007...

  • Page 23: Basic Web Management

    • “Performing a Factory Reset or a Device Reboot” Your NETGEAR Smart Switch series provides a built-in browser interface that enables you to configure and manage it remotely using a standard Web browser such as Microsoft Internet Explorer or Netscape Navigator. This interface also allows for system monitoring of the switch.

  • Page 24: Accessing The Switch Management Home Screen

    Smart Switch Software User Manual GS748T Accessing the Switch Management Home Screen You can access the home screen for the GS748T Smart Switch from any PC with a web browser. To start the application: 1. Open a web browser. 2. Enter the device IP address in the address bar. 3.

  • Page 25: System Information Settings

    Smart Switch Software User Manual GS748T • Cancel. Cancels changes made to that screen. Figure 3-2 System Information Settings The main screen, System > Management > System Information, shows the condition of the functions available in the switch. Click Refresh at the bottom of the pane to display updated status information.

  • Page 26: Ip Configuration

    Smart Switch Software User Manual GS748T IP Configuration 1. Select the System > Management > IP Configuration screen shown below to set your IP Configuration. Figure 3-3 2. Select the Get Dynamic IP from DHCP Server radio box to enable the DHCP Server, or select the Static IP Address to set up a static IP address for the switch.

  • Page 27: Managing Your System Configuration

    Smart Switch Software User Manual GS748T To change password: 1. Select Security > Management Security. The User Configuration > Change Password screen will display. 2. In the Old Password field, enter the current password. 3. In the New Password field, enter the new password, and then reenter your new password in the Re-Type New Password field to confirm the change.

  • Page 28: Performing A Factory Reset Or A Device Reboot

    Smart Switch Software User Manual GS748T 4. Click Save. When the file location field displays, specify the file name and path for saving the configuration file. Figure 3-5 File Download enables you to restore the saved configuration file from your PC. To restore your saved configuration file: 1.
  • Page 29 Smart Switch Software User Manual GS748T • You want to make a major configuration change for another reason. Warning: Restoring Factory Defaults erases any prior user configuration. You can perform a Factory Reset using either of the following methods: • From the main menu, Maintenance >...
  • Page 30 Smart Switch Software User Manual GS748T Basic Web Management v1.0, October 2007...

  • Page 31: Configuring The Switch

    Chapter 4 Configuring the Switch The navigation tabs across the top of the user interface provide access to all of the submenu screens which allow you to manage your GS748T Smart Switch. The features under the following main headings: • “Configuring Ports”...
  • Page 32 Smart Switch Software User Manual GS748T 2. Select the row of the port that you want to configure. Then, at the top of screen, enter the following information for the selected port: • Type a description for the port in the Port Description field. •...

  • Page 33: Configuring The Link Aggregation Group (Lag)

    Smart Switch Software User Manual GS748T Figure 4-8 Configuring the Link Aggregation Group (LAG) Link Aggregation Groups (otherwise known as Port Trunking) enables multiple links between switches to work as one virtual link (aggregate link) to provide greater bandwidth than would be available by confining the traffic to a single port.
  • Page 34 Smart Switch Software User Manual GS748T 4. Click Apply. Figure 4-9 The LAG Membership table displays the port members in each LAG. You can also specify port members for LAGs. When specifying LAGs, the following policies apply: • Each port can belong to only one LAG. •...

  • Page 35: Setting Up Snmp

    Smart Switch Software User Manual GS748T Figure 4-10 Note: The selected LAG ID port must correspond to VLAN group IDs. Setting Up 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 within the managed device, in this case your switch.
  • Page 36 Smart Switch Software User Manual GS748T • T3: Link Up/Down – The switch generates an SNMP trap when one of its ports changes its link status You can specify the SNMP management station that can access the MIB of the switch and to which the switch will send the trap.

  • Page 37: Configuring And Creating Vlans

    Smart Switch Software User Manual GS748T 2. Modify the settings in the top row and click Apply. Configuring and Creating VLANs 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 function instead of physical location.

  • Page 38: Adding And Configuring Ieee 802.1Q Vlan Groups

    Smart Switch Software User Manual GS748T Adding and Configuring IEEE 802.1Q VLAN Groups Depending on the VLAN type selected in the VLAN Type Configuration table, you can create 256 IEEE 802.1Q-based VLANs or 48 port-based VLANs. To create a VLAN: 1.
  • Page 39 Smart Switch Software User Manual GS748T • Tag All: Add all the ports to this VLAN and tag all egress packets. • Remove All: Remove all the ports from this VLAN. 3. Click the Unit link to display all available ports. 4.

  • Page 40: Configuring Port-Based Vlans

    Smart Switch Software User Manual GS748T 3. Click Apply. Figure 4-13 Configuring Port-Based VLANs Unlike 802.1Q based VLAN, an ingress packet with an 802.1Q tag is ignored and preserved. To modify port-based VLAN membership: 1. Select Switching > VLAN > VLAN Configuration from the main menu. The VLAN Configuration screen will display.

  • Page 41: Selecting A Management Vlan

    Smart Switch Software User Manual GS748T To modify a Port-Based VLAN membership: 1. Select VLAN Membership. The VLAN Membership screen will display all port-based VLAN members. 2. From the VLAN Identifier pull-down menu, select the VLAN that you want to modify. You can also click the Unit link to display all available ports.
  • Page 42 Smart Switch Software User Manual GS748T resultant path between nodes determined by RSTP is the same as that eventually determined by STP. Use the Bridge Settings table to manage attributes related to the Spanning Tree Protocol. • Bridge Priority. The priority value of this switch. After exchanging BPDUs with other STP- enabled devices, the device with the lowest priority value becomes the root bridge.
  • Page 43 Smart Switch Software User Manual GS748T The Port Configuration table displays the current status of individual ports. You can also configure ports from this table. To modify port settings: 1. Select the Port Configuration link. The RSTP Port Configuration screen will display. 2.

  • Page 44: Establishing Multicast Groups

    Smart Switch Software User Manual GS748T Establishing Multicast Groups You can specify specific ports and VLANs for receiving Multicast packets with specific MAC addresses. The MAC addresses are IPv4 Multicast Addresses (RFC 1112A) formatted as: 01:00:5E-XX-XX-XX. A maximum of 64 groups is supported. IGMP Snooping IGMP (Internet Group Management Protocol) specifies how to register a host to a router in order to receive specific multicast traffic.

  • Page 45: Multicast Group Membership

    Smart Switch Software User Manual GS748T • VLAN ID. Specifies the VLAN ID. This field is only applicable if 802.1Q VLAN mode is used. • Multicast Entry. Specifies the multicast group MAC address associated with the VLAN. 3. Click Add. Figure 4-17 To delete a static multicast entry: 1.

  • Page 46: Enabling Jumbo Frames

    Smart Switch Software User Manual GS748T Figure 4-18 To remove a multicast group: 1. In the line of the table that specifies the group, check the Delete box. 2. Click Apply to remove the group. Enabling Jumbo Frames Jumbo Frames are not an approved standard Ethernet frame size, so you must ensure that all of your networking equipment can support these nonstandard jumbo frames to prevent them from being dropped.

  • Page 47: Setting Rate Limits

    Smart Switch Software User Manual GS748T Setting Rate Limits Rate Limiting determines the bandwidth of ingress and egress traffic for a specific port. There are 11 data rate options in the range 512K bps to 1000M bps, including a disable option that applies no limit to the data rate.

  • Page 48: Ieee 802.1P-Based Qos

    Smart Switch Software User Manual GS748T Two possible system mode implementations of QoS are supported: • IEEE 802.1p-based QoS. • DSCP-based (Differentiated Services Code Point) QoS. To specify the QoS Global system mode: 1. Select QoS > Basic > QoS Global Configuration from the main menu. The QoS Global Configuration screen will display.

  • Page 49: Differentiated Services Code Point (Dscp)-Based Qos

    Smart Switch Software User Manual GS748T 2. From each 802.1p priority value pull-down menu, select one of the four hardware priority queues. 3. Click Apply. Differentiated Services Code Point (DSCP)-based QoS The DSCP 6-bit field in an IP packet header enables levels of service to be assigned to network traffic according to the field’s binary value.

  • Page 50: Enabling Storm Control

    Smart Switch Software User Manual GS748T Figure 4-21 Enabling Storm Control The Storm Control feature enables you to prevent network performance from being disrupted by specifying the threshold of ingress broadcast or multicast and broadcast packets on each port. The traffic source may be Multicast and Broadcast;...
  • Page 51 Smart Switch Software User Manual GS748T The Storm Control Settings table contains system-wide configuration parameters for storm control. To configure storm control: 1. Select Security > Traffic Control. The Storm Control screen will display. Figure 4-22 2. From the Ingress Control Mode pull-down menu, select the type of the packet storm: •...

  • Page 52: Configuring The Ip Access List

    Smart Switch Software User Manual GS748T 3. In the top row, from the Status pull-down menu, select either Enable or Disable. 4. Click Apply. Configuring the IP Access List The IP Access List table allows you to limit and specify the IP addresses that can access the management portion of the switch.

  • Page 53: Setting Up Mirroring Or "Sniffer Ports

    Smart Switch Software User Manual GS748T 2. Specify the trusted MAC address parameters in the configuration row: • Interface. From the Interface pull-down menu, select the interface or port that you want to have this feature. • MAC Address. Specify the trusted source MAC address. •...

  • Page 54: Viewing Packet Statistics

    Smart Switch Software User Manual GS748T Figure 4-23 Viewing Packet Statistics The Port Statistics screen shows reports of packet traffic and packet errors formatted as follows: • Port Selection: The port number on the switch—selected from the Port pull-down menu. •...
  • Page 55 Smart Switch Software User Manual GS748T Figure 4-24 Configuring the Switch 4-25 v1.0, October 2007...
  • Page 56 Smart Switch Software User Manual GS748T 4-26 Configuring the Switch v1.0, October 2007...

  • Page 57: Specifications And Default Values

    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 Feature Value Interfaces 48G (P01 - P48) Fiber Optic 4 Mini-GBIC Combo (P45f - P48f) Flash Memory Size...

  • Page 58: Gs748T Smart Switch Features And Defaults

    Smart Switch Software User Manual GS748T GS748T Smart Switch Features and Defaults Table A-3. Port Characteristics Feature Sets Supported Default Auto-Negotiation / 48 (per-port) Auto-Negotiation Static Speed / Duplex Auto MDI/MDIX Enabled 802.3x flow control / 48 (per-port) Enabled Back Pressure Port Mirroring Disabled Port Trunking (Aggregation)
  • Page 59 Smart Switch Software User Manual GS748T Table A-5. Security (continued) Feature Sets Supported Default Trust Matadors Filter Disabled Port -MAC lock down 48 (per port) Disabled Management VLAN Table A-6. Traffic Control Feature Sets Supported Default Rate control 48 (per port) Disabled Storm control 1 (per switch)
  • Page 60 Smart Switch Software User Manual GS748T Table A-9. Management Feature Sets Supported Default Smartwizard Enabled Statistics 48 (per port) Specifications and Default Values v1.0, October 2007...

  • Page 61: Virtual Local Area Networks (Vlans)

    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 communicate with each other without the need for a router. Routers connect LANs together, routing the traffic to the appropriate port.

  • Page 62: Ieee 802.1Q Vlans

    Smart Switch Software User Manual GS748T 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 default VLAN ID setting that is user-configurable (the default setting is 1).

  • Page 63: Port-Based Vlans

    Smart Switch Software User Manual GS748T 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 stripped of its tag to leaves Port 2 as an untagged packet.

  • Page 64: Vlan Configuration Results

    Smart Switch Software User Manual GS748T • Setting up third VLAN group (Marketing), VLAN ID = 03, with membership of ports 7~14, • 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 all ports.

  • Page 65: Appendix C Network Cabling

    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 Category 5 UTP cable consisting of either two-pair or four-pair twisted, insulated copper conductors bound in a single plastic sheath.

  • Page 66: Category 5 Cable Specifications

    Smart Switch Software User Manual GS748T 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. Table C-1. Electrical Requirements of Category 5 Cable Specifications Category 5 Cable Requirements Number of pairs...
  • Page 67 Smart Switch Software User Manual GS748T Figure C-1 Figure C-2 illustrates crossover twisted pair cable. Figure C-2 Patch Panels and Cables If you are using patch panels, make sure that they meet the 100BASE-TX requirements. Use Category 5 UTP cable for all patch cables and work area cables to ensure that your UTP patch cable rating meets or exceeds the distribution cable rating.

  • Page 68: Cabling

    Smart Switch Software User Manual GS748T Figure C-3 Note: Flat “silver satin” telephone cable may have the same RJ-45 plug. However, using telephone cable results in excessive collisions, causing the attached port to be partitioned or disconnected from the network. 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.

  • Page 69: Near End Cross Talk (Next

    Smart Switch Software User Manual GS748T 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 that is part of the building infrastructure.

  • Page 70: Patch Cables

    Smart Switch Software User Manual GS748T 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.

  • Page 71: Conclusion

    Smart Switch Software User Manual GS748T Table C-3. 100/1000 Mbps RJ-45 Plug and RJ-45 Connector Pin Assignments Channel Description Rx/Tx Data + Rx/Tx Data Rx/Tx Data + Rx/Tx Data Rx/Tx Data + Rx/Tx Data Rx/Tx Data + Rx/Tx Data 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.
  • Page 72 Smart Switch Software User Manual GS748T Network Cabling v1.0, October 2007...

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