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Summary of Contents for Allied Telesis AT-S82
- Page 1 Management Software AT-S82 User’s Guide For the AT-GS950/8 Layer 2 Gigabit Ethernet WebSmart Switch Version 1.0.0 613-000375 Rev. A...
- Page 2 Allied Telesis, Inc. has been advised of, known, or...
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Page 3: Table Of Contents
Changing the Administrator’s Password......................22 Rebooting the Switch............................23 Resetting the Switch and Retaining the IP Address ..................24 Returning the AT-S82 Management Software to the Factory Default Values ..........25 Downloading New Firmware..........................26 Chapter 3: Port Configuration ........................27 Configuring Port Parameters .......................... - Page 4 Contents Guidelines for Creating a VLAN ......................... 42 Working with VLANs ............................43 Creating a VLAN............................43 Displaying all VLANs ..........................44 Modifying a VLAN............................45 Deleting a VLAN ............................45 Protected Ports VLAN ............................46 Chapter 6: Class of Service .......................... 49 Class of Service Overview ..........................
- Page 5 Figures Figure 1. Login Dialog Box ..............................12 Figure 2. Main Page ................................13 Figure 3. Save Configuration Page .............................14 Figure 4. Basic Switch Information Page..........................18 Figure 5. Administrator Password Page ..........................22 Figure 6. Reboot Page ................................23 Figure 7. Reset Page................................24 Figure 8. Reset System Page..............................25 Figure 9.
- Page 6 Figures...
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Page 7: Preface
Preface This guide contains instructions on how to use the AT-S82 management software to manage the AT-GS950/8 Smart Switch switch. This preface contains the following sections: “Where to Find Web-based Guides” on page 8 “Contacting Allied Telesis” on page 9... -
Page 8: Where To Find Web-Based Guides
Preface 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. -
Page 9: Contacting Allied Telesis
Allied Telesis web site: www.alliedtelesis.com Allied Telesis FTP server: ftp://ftp.alliedtelesis.com To download new software from the Allied Telesis FTP server from your workstation’s command prompt, you must have FTP client software. Additionally, you must log in to the server. The user name is “anonymous”... - Page 10 Preface...
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Page 11: Chapter 1: Getting Started
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: “Starting a Management Session” on page 12 “Saving Changes” on page 14... -
Page 12: Starting A Management Session
1. Start a web browser. 2. In the URL field of the web browser, enter the default IP address of the switch: 192.168.1.1 The AT-S82 management software displays the login dialog box shown in Figure 1. Figure 1. Login Dialog Box 3. -
Page 13: Figure 2. Main Page
AT-S83 Management Software User’s Guide The main page, which by default displays the Basic Switch Information page, is shown in Figure 2. Figure 2. Main Page... -
Page 14: Saving Changes
Chapter 1: Getting Started 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 configuration file each time that you change a parameter, or save the changes after you are done with all your changes and before you exit the web browser. -
Page 15: Quitting A Management Session
AT-S83 Management Software User’s Guide Quitting a Management Session To quit a management session, close the web browser. - Page 16 Chapter 1: Getting Started...
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Page 17: Chapter 2: Basic Switch Parameters
“Changing the Administrator’s Password” on page 22 “Rebooting the Switch” on page 23 “Resetting the Switch and Retaining the IP Address” on page 24 “Returning the AT-S82 Management Software to the Factory Default Values” on page 25 “Downloading New Firmware” on page 26... -
Page 18: Configuring The Ip Address, Subnet Mask, Gateway Address, And Bootp Or Dhcp
Chapter 2: Basic Switch Parameters Configuring the IP Address, Subnet Mask, Gateway Address, and BOOTP or DHCP This procedure explains how to assign an IP address, subnet mask, and gateway address to the switch. To set the switch’s IP configuration, perform the following procedure: 1. - Page 19 AT-S82 Management Software User’s Guide BOOTP - Enables BOOTP so that the switch gets its IP address from a BOOTP server. When you choose this selection, the IP Address, Subnet Mask, and Default Gateway fields are not available. DHCP - Enables DHCP so that the switch gets its IP address from a DHCP server.
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Page 20: Disabling Or Enabling Ping Blocking
Enabled The switch does not respond to ping requests. This is the default. Disabled The switch responds to ping requests. Allied Telesis recommends that you choose this setting. 3. Click Apply to implement your changes. 4. To save the settings to the configuration file, from the main menu, select Save Configuration. -
Page 21: Enabling Or Disabling 802.1X Forwarding Control
AT-S82 Management Software User’s Guide 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 packets are forwarded to their destination which might be a switch running an authentication protocol. -
Page 22: Changing The Administrator's Password
Chapter 2: Basic Switch Parameters 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. -
Page 23: Rebooting The Switch
AT-S82 Management Software User’s Guide 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 settings. -
Page 24: Resetting The Switch And Retaining The Ip Address
IP address, or resetting the switch to return all the parameters to their default values. The procedure for resetting the switch to the default values is described in “Returning the AT-S82 Management Software to the Factory Default Values” on page 25. -
Page 25: Returning The At-S82 Management Software To The Factory Default Values
This procedure causes the switch to reboot. The switch does not forward network traffic during the reboot process. Some network traffic may be lost. To return the AT-S82 management software to the default settings, perform the following procedure: 1. From the main menu, select Reset System. -
Page 26: Downloading New Firmware
Chapter 2: Basic Switch Parameters 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. -
Page 27: Chapter 3: Port Configuration
Chapter 3 Port Configuration This chapter contains the following section: “Configuring Port Parameters” on page 28 Section I: Using the Menus Interface... -
Page 28: Configuring Port Parameters
Chapter 3: Port Configuration Configuring Port Parameters This procedure explains how to configure the following port parameters: State Speed and duplex mode Flow control Medium type (only for ports 7 and 8) To configure the ports, perform the following procedure: 1. - Page 29 AT-S82 Management Software User’s Guide Note Auto Speed/Duplex is disabled when you manually configure a port’s Speed/Duplex. In this situation, you must use a crossover Ethernet cable to connect that port to another network device. 2. To set the parameters for a port, choose the port using the From and To lists.
- Page 30 Chapter 3: Port Configuration 10M/Half - 10Mbps, half duplex 10M/Full - 10Mbps, full duplex 100M/Half - 100Mbps, half duplex 100M/Full - 100Mbps, full duplex 1000M/Full - 1000Mbps, full duplex 1000M_M/Full - 1000Mbps, full duplex for port operating as a Master port at 1000Mbps in Force mode. This allows the port to send detect and negotiate signals.
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Page 31: Chapter 4: Trunking
Chapter 4 Trunking This chapter contains the following sections: “Trunking Overview” on page 32 “Configuring the Trunking Algorithm” on page 34 “Setting up the Trunk” on page 35 Section I: Using the Menus Interface... -
Page 32: Trunking Overview
The AT-S82 management software provides for four trunks with a maximum of two ports each. - Page 33 AT-S82 Management Software User’s Guide distribution methods: MAC-SA - source MAC address MAC-DA - destination MAC address DAxorSA - destination MAC address/source MAC address...
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Page 34: Configuring The Trunking Algorithm
Chapter 4: Trunking 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 from the list: MAC-SA By the source MAC address. -
Page 35: Setting Up The Trunk
AT-S82 Management Software User’s Guide 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 Trunking Group Entries area. - Page 36 Chapter 4: Trunking 3. For the Group ID, choose a trunk group ID from the list. IDs from 1 through 4 are available. Note that when you choose a group ID that ports are automatically selected on the Port Map. You cannot designate any other ports for the trunk 4.
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Page 37: Chapter 5: Vlans
Chapter 5 VLANs This chapter contains the following sections: “VLAN Features” on page 38 “VLAN Overview” on page 40 “Working with VLANs” on page 43 “Protected Ports VLAN” on page 46 Section I: Using the Menus Interface... -
Page 38: Vlan Features
Chapter 5: VLANs 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. - Page 39 AT-S82 Management Software User’s Guide VLANs can be used to control the flow of data in your network, since the traffic generated by an end-node in a VLAN is restricted to the other end- nodes in the same VLAN. In addition, VLANs can prevent data from...
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Page 40: Vlan Overview
Chapter 5: VLANs VLAN Overview This VLAN overview contains the following sections: “VLAN Name,” next “VLAN Identifier” on page 40 “VLAN Port Members” on page 40 “Incoming and Outgoing Tagged and Untagged Frames” on page 41 “Guidelines for Creating a VLAN” on page 42 VLAN Name To create a port-based VLAN, you must give it a name. -
Page 41: Tagged Port Members
AT-S82 Management Software User’s Guide 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. -
Page 42: Guidelines For Creating A Vlan
Chapter 5: VLANs member of the VLAN). These frames are untagged after transmission from the switch. Guidelines for The following are guidelines for creating a VLAN. Creating a VLAN Each VLAN must be assigned a unique VID. If a particular VLAN spans multiples switches, each part of the VLAN on the different switches should be assigned the same VID. -
Page 43: Working With Vlans
AT-S82 Management Software User’s Guide Working with VLANs This section contains the following procedures for working with VLANs: “Creating a VLAN,” next “Displaying all VLANs” on page 44 “Modifying a VLAN” on page 45 Creating a VLAN To create a VLAN, perform the following procedure: 1. -
Page 44: Displaying All Vlans
Chapter 5: VLANs 3. In the VID field, supply a number for the VLAN ID, from 2 to 4094. 4. In the VLAN Name field, enter a unique name for the VLAN. No spaces are allowed. 5. In the Tag row, select the ports that you want to be tagged members of the VLAN. -
Page 45: Modifying A Vlan
AT-S82 Management Software User’s Guide The list of current VLANs is shown in Figure 17. Figure 17. Current VLANs Page Modifying a To modify the ports in a VLAN, perform the following procedure: VLAN 1. From the main menu, select VLAN Configuration. -
Page 46: Protected Ports Vlan
Chapter 5: VLANs 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 to be isolated from one another, but they all need access to the internet or a server. -
Page 47: Figure 20. Protected Port Page
AT-S82 Management Software User’s Guide 1. From the main menu, select Protected Port. The Protected Port page is shown in Figure 20. Figure 20. Protected Port Page 2. Determine which port(s) will be the Primary port(s). 3. Click the box on the Isolated row for all ports that you want to isolate from one another. - Page 48 Chapter 5: VLANs...
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Page 49: Chapter 6: Class Of Service
Chapter 6 Class of Service This chapter contains the following sections: “Class of Service Overview” on page 50 “Mapping Priorities to Queues” on page 53 “Setting Up the Schedule” on page 54 Section I: Using the Menus Interface... -
Page 50: Class Of Service Overview
Chapter 6: Class of Service 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 while it handles other traffic and, in some situations, some packets destined to be forwarded from the port are discarded. -
Page 51: Scheduling
This control mechanism is called scheduling. Scheduling determines the order in which a port handles the packets in its egress queues. The AT-S82 management software uses weighted round-robin scheduling. This method functions as its name implies. The port transmits a set number of packets from each queue, in a round robin fashion, so that each queue has an opportunity to transmit traffic. - Page 52 Chapter 6: Class of Service example. Table 2. Scheduling Example Maximum Number of Port Egress Queue Packets In this example, the port transmits a maximum of 25 packets from Q3, then 15 packets from Q2, and so forth.
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Page 53: Mapping Priorities To Queues
AT-S82 Management Software User’s Guide 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 21. Figure 21. CoS Priority to Queue Page The default queue for each priority is displayed 2. -
Page 54: Setting Up The Schedule
Chapter 6: Class of Service 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 21. Figure 22. Output Scheduling Page 2. -
Page 55: Assigning Priority To Ports
AT-S82 Management Software User’s Guide 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 23. - Page 56 Chapter 6: Class of Service...
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Page 57: Chapter 7: Spanning Tree Protocol (Stp)
Chapter 7 Spanning Tree Protocol (STP) This chapter contains the following sections: “Spanning Tree Overview” on page 58 “Configuring Spanning Tree” on page 67 “Configuring STP Port Settings” on page 70 Section I: Using the Menus Interface... -
Page 58: Spanning Tree Overview
This can result in the loss of communication between various parts of the network during the convergence process, and the subsequent lost of data packets. The STP implementation on the AT-S82 management software complies with the IEEE 802.1d standard. Bridge Priority The first task that bridges perform when a spanning tree protocol is activated on a network is the selection of a root bridge. -
Page 59: Path Costs And Port Costs
AT-S82 Management Software User’s Guide 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... - Page 60 Chapter 7: Spanning Tree Protocol (STP) a bridge participating in STP has a cost associated with it. The cost of a port on a bridge is typically based on port speed. The faster the port, the lower the port cost. The exception to this is the ports on the root bridge, where all ports have a port cost of 0.
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Page 61: Port Priority
AT-S82 Management Software User’s Guide trunk. Table 7. RSTP Auto Port Trunk Costs Port Speed Port Cost 10 Mbps 20,000 100 Mbps 20,000 1000 Mbps 2,000 You cannot set the port cost manually. Port Priority If two paths have the same port cost, the bridges must select a preferred path. -
Page 62: Hello Time And Bridge Protocol Data Units (Bpdus)
The frequency with which the root bridge sends out a BPDU is called the hello time. This is a value that you can set in the AT-S82 management software. The interval is measured in seconds and the default is two seconds. Consequently, if an AT-GS950/8 WebSmart switch is selected as the root bridge of a spanning tree domain, it transmits a BPDU every two seconds. -
Page 63: Point-To-Point And Edge Ports
AT-S82 Management Software User’s Guide Point-to-Point and Edge Ports Note This section applies only to RSTP. Part of the task of configuring RSTP is defining the port types on the bridge. This relates to the device(s) connected to the port. With the port types defined, RSTP can reconfigure a network much quicker than STP when a change in network topology is detected. -
Page 64: Figure 25. Edge Port
Chapter 7: Spanning Tree Protocol (STP) Edge Port Figure 25. Edge Port A port can be both a point-to-point and an edge port at the same time. It operates in full-duplex and has no STP or RSTP devices connected to it. Figure 26 illustrates a port functioning as both a point-to-point and edge port. -
Page 65: Spanning Tree And Vlans
RSTP mode while ports receiving STP BPDU packets operate in STP mode. Spanning Tree The spanning tree implementation in the AT-S82 management software is a single-instance spanning tree. The switch supports just one spanning and VLANs tree. You cannot define multiple spanning trees. - Page 66 Chapter 7: Spanning Tree Protocol (STP) information on tagged and untagged ports, refer to Chapter 5, “VLANs” on page 37.)
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Page 67: Configuring Spanning Tree
AT-S82 Management Software User’s Guide 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 28. - Page 68 Chapter 7: Spanning Tree Protocol (STP) When you select a value for maximum age, observe the following rules: MaxAge must be greater than (2 x (HelloTime + 1)). MaxAge must be less than (2 x (ForwardingDelay - 1)). Note The aging time for BPDUs is different from the aging time used by the MAC address table.
- Page 69 This is the default setting. Disabled The switch processes the BPDU packets. Allied Telesis recommends that you choose this setting. 10. Click Apply. To configure the ports, refer to “Configuring STP Port Settings,” next.
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Page 70: Configuring Stp Port Settings
Chapter 7: Spanning Tree Protocol (STP) 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 29. Figure 29. STP Port Settings Page 2. - Page 71 AT-S82 Management Software User’s Guide This parameter is used as a tie breaker when two or more ports are determined to have equal costs to the root bridge. The range is 0 to 240 in increments of 16. The default value is 8 (priority value 128). For a list of the increments, refer to Table 8, “Port Priority Value...
- Page 72 Chapter 7: Spanning Tree Protocol (STP)
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