Allied Telesis AT-GS950/8 - Manuals

Preface 8 Where to Find Web-based Guides The installation and user guides for all Allied Telesis products are available in portable document format (PDF) on our web site at www.alliedtelesis.com . You can view the documents online or download them onto a local workstation or server.

AT-S82 Management Software User’s Guide 9 Contacting Allied Telesis This section provides Allied Telesis contact information for technical support as well as sales and corporate information. Online Support You can request technical support online by accessing the Allied Telesis Knowledge Base from t...

11 Chapter 1 Getting Started This chapter provides information and instructions on how to access the AT-S82 management software by starting a web browser management session. This chapter contains the following sections: ˆ “Starting a Management Session” on page 12 ˆ “Saving Changes” on page 14 ˆ “Qu...

Chapter 1: Getting Started 12 Starting a Management Session You establish a local management session with the AT-GS950/8 switch by connecting an Ethernet cable to one of the eight ports on the front panel of the switch. To start a management session, perform the following procedure: 1. Start a web b...

Chapter 1: Getting Started 14 Saving Changes The management software applies the changes you make when you click the Apply button on any web page. However, the management software does not automatically save the changes you make to the configuration file. You can save your changes to the configurati...

AT-S82 Management Software User’s Guide 15 Quitting a Management Session To quit a management session, close the web browser.

17 Chapter 2 Basic Switch Parameters This chapter contains the following sections: ˆ “Configuring the IP Address, Subnet Mask, Gateway Address, and BOOTP or DHCP” on page 18 ˆ “Disabling or Enabling Ping Blocking” on page 20 ˆ “Enabling or Disabling 802.1X Forwarding Control” on page 21 ˆ “Changing ...

Chapter 2: Basic Switch Parameters 20 Disabling or Enabling Ping Blocking You can allow the switch to respond to ping requests by setting the Ping Blocking parameter. The default setting is enabled, which means that the switch does not respond to ping requests. To disable or enable ping blocking, pe...

AT-S82 Management Software User’s Guide 21 Enabling or Disabling 802.1X Forwarding Control This procedure describes how to enable or disable 802.1x forwarding control. The default setting is disabled. When you disable this feature, 802.1x packets are not forwarded. If this feature is enabled, these ...

Chapter 2: Basic Switch Parameters 22 Changing the Administrator’s Password To reset the administrator’s password, perform the following procedure: 1. From the main menu, select Administrator Password . The Administrator Password page is shown in Figure 5. Figure 5. Administrator Password Page 2. In...

AT-S82 Management Software User’s Guide 23 Rebooting the Switch This procedure reboots the switch and reloads the AT-S82 management software from flash memory. You might reboot the device if you believe it is experiencing a problem. Rebooting the device does not change any of the device’s parameter ...

Chapter 2: Basic Switch Parameters 24 Resetting the Switch and Retaining the IP Address There are two options for resetting the switch: resetting all the parameters except the IP address, or resetting the switch to return all the parameters to their default values. The procedure for resetting the sw...

Chapter 2: Basic Switch Parameters 26 Downloading New Firmware To download new firmware onto the switch, perform the following procedure: 1. From the main menu, select Download Firmware . The Download Firmware page is shown in Figure 9. Figure 9. Download Firmware Page 2. In the Server IP Address fi...

Section I: Using the Menus Interface 27 Chapter 3 Port Configuration This chapter contains the following section: ˆ “Configuring Port Parameters” on page 28

Chapter 3: Port Configuration 28 Configuring Port Parameters This procedure explains how to configure the following port parameters: ˆ State ˆ Speed and duplex mode ˆ Flow control ˆ Medium type (only for ports 7 and 8) To configure the ports, perform the following procedure: 1. From the main menu, s...

Section I: Using the Menus Interface 31 Chapter 4 Trunking This chapter contains the following sections: ˆ “Trunking Overview” on page 32 ˆ “Configuring the Trunking Algorithm” on page 34 ˆ “Setting up the Trunk” on page 35

Chapter 4: Trunking 32 Trunking Overview A port trunk is an economical way for you to increase the bandwidth between the Ethernet switch and another networking device, such as a network server, router, workstation, or another Ethernet switch. A port trunk is a group of ports that have been grouped t...

Chapter 4: Trunking 34 Configuring the Trunking Algorithm To configure the trunk load method, perform the following procedure: 1. From the main menu, select Trunking Algorithm . The Trunking Algorithm page is shown in Figure 12. Figure 12. Trunking Algorithm Page 2. Choose one of the load methods fr...

AT-S82 Management Software User’s Guide 35 Setting up the Trunk To set up the trunk, perform the following procedure: 1. From the main menu, select Port Trunking . The Port Trunking page is shown in Figure 13. Figure 13. Port Trunking Page The current trunks, if any, are shown in the Current Trunkin...

Section I: Using the Menus Interface 37 Chapter 5 Port Mirroring This chapter contains the following sections: ˆ “Port Mirroring Overview” on page 38 ˆ “Configuring Port Mirroring” on page 39

Chapter 5: Port Mirroring 38 Port Mirroring Overview The port mirroring feature allows you to unobtrusively monitor the ingress and egress traffic on a port on the switch by having the traffic copied to another switch port. By connecting a network analyzer to the port where the traffic is being copi...

AT-S82 Management Software User’s Guide 39 Configuring Port Mirroring To configure the trunk load method, perform the following procedure: 1. From the main menu, select Port Mirroring . The Port Mirroring page is shown in Figure 15. Figure 15. Port Mirroring Page 2. From the Target Port list, select...

Section I: Using the Menus Interface 41 Chapter 6 VLANs This chapter contains the following sections: ˆ “VLAN Features” on page 42 ˆ “VLAN Overview” on page 44 ˆ “Working with VLANs” on page 47 ˆ “Protected Ports VLAN” on page 50

Chapter 6: VLANs 42 VLAN Features A Virtual Local Area Network (VLAN) is a logical grouping of devices on different physical LAN segments that allows users to communicate as if they were physically connected to a single LAN, independent of the physical configuration of the network. With VLANs, you c...

Chapter 6: VLANs 44 VLAN Overview This VLAN overview contains the following sections: ˆ “VLAN Name,” next ˆ “VLAN Identifier” on page 44 ˆ “VLAN Port Members” on page 44 ˆ “Incoming and Outgoing Tagged and Untagged Frames” on page 45 ˆ “Guidelines for Creating a VLAN” on page 46 VLAN Name To create ...

AT-S82 Management Software User’s Guide 45 Tagged Port Members A port is a tagged member of a specific VLAN when it is a member of more than one VLAN. If a port is a tagged member of one VLAN, then the same port is also an untagged member of another VLAN. Untagged Port Members A port is an untagged ...

AT-S82 Management Software User’s Guide 47 Working with VLANs This section contains the following procedures for working with VLANs: ˆ “Creating a VLAN,” next ˆ “Displaying all VLANs” on page 48 ˆ “Modifying a VLAN” on page 49 Creating a VLAN To create a VLAN, perform the following procedure: 1. Fro...

AT-S82 Management Software User’s Guide 49 The list of current VLANs is shown in Figure 18. Figure 18. Current VLANs Page Modifying a VLAN To modify the ports in a VLAN, perform the following procedure: 1. From the main menu, select VLAN Configuration . The VLAN Configuration page is shown in Figure...

Chapter 6: VLANs 50 Protected Ports VLAN You use the protected ports VLAN feature when you want to prevent ports from communicating with one another, but you want them all to have access to common resources. For example, in a hotel or apartment complex, the computer in each room or apartment needs t...

Section I: Using the Menus Interface 53 Chapter 7 Class of Service This chapter contains the following sections: ˆ “Class of Service Overview” on page 54 ˆ “Mapping Priorities to Queues” on page 57 ˆ “Setting Up the Schedule” on page 58

Chapter 7: Class of Service 54 Class of Service Overview When the egress queues on a port in an Ethernet switch contains more packets than the port can handle in a timely manner, the port may be forced to delay the transmission of some packets. A port may be forced to delay transmission of packets w...

AT-S82 Management Software User’s Guide 55 Table 1 lists the mappings between the eight CoS priority levels and the four egress queues of a switch port. For example, if a tagged packet with a priority level of 2 entered a port on the switch, the switch would store the packet in Q11 on the egress por...

AT-S82 Management Software User’s Guide 57 Mapping Priorities to Queues To map priorities to queues, perform the following procedure: 1. From the main menu, select CoS Priority to Queue . The CoS Priority to Queue page is shown in Figure 22. Figure 22. CoS Priority to Queue Page The default queue fo...

Chapter 7: Class of Service 58 Setting Up the Schedule To configure map ports to priority queues, perform the following procedure: 1. From the main menu, select CoS Output Scheduling . The CoS Output Scheduling page is shown in Figure 22. Figure 23. Output Scheduling Page 2. To set the weight for a ...

AT-S82 Management Software User’s Guide 59 Assigning Priority to Ports To assign a priority to a specific port, perform the following procedure: 1. From the main menu, select CoS Port Priority Assignment . The CoS Port Priority Assignment page is shown in Figure 24. Figure 24. CoS Port Priority Assi...

Section I: Using the Menus Interface 61 Chapter 8 Spanning Tree Protocol (STP) This chapter contains the following sections: ˆ “Spanning Tree Overview” on page 62 ˆ “Configuring Spanning Tree” on page 71 ˆ “Configuring STP Port Settings” on page 74

Chapter 8: Spanning Tree Protocol (STP) 62 Spanning Tree Overview The performance of a Ethernet network can be negatively impacted by the formation of a data loop in the network topology. A data loop exists when two or more nodes on a network can transmit data to each other over more than one data p...

AT-S82 Management Software User’s Guide 63 You can change the bridge priority number in the AT-S82 management software. You can designate which switch on your network you want as the root bridge by giving it the lowest bridge priority number. You might also consider which bridge should function as t...

AT-S82 Management Software User’s Guide 65 trunk. You cannot set the port cost manually. Port Priority If two paths have the same port cost, the bridges must select a preferred path. In some instances this can involve the use of the port priority parameter. This parameter is used as a tie breaker wh...

Chapter 8: Spanning Tree Protocol (STP) 66 change has occurred, especially if it is a large network. If a topology change is made before all bridges have been notified, a temporary data loop could occur, and that could adversely impact network performance. To forestall the formation of temporary dat...

AT-S82 Management Software User’s Guide 69 If you decide to activate spanning tree on the switch, there is no reason not to activate RSTP on an AT-GS950/8 WebSmart switch even when all other switches are running STP. The switch can combine its RSTP with the STP of the other switches. The switch moni...

AT-S82 Management Software User’s Guide 71 Configuring Spanning Tree To define the spanning tree settings at the switch level, perform the following procedure: 1. From the main menu, select STP Global Settings . The Switch Spanning Tree Settings page is shown in Figure 29. Figure 29. Switch Spanning...

Chapter 8: Spanning Tree Protocol (STP) 74 Configuring STP Port Settings To configure the STP settings, perform the following procedure: 1. From the main menu, select STP Port Settings . The STP Port Settings page is shown in Figure 30. Figure 30. STP Port Settings Page 2. From the From and To lists...