Document Outline

• Management Software
  • AT-S20
• u
  • User’s Guide
• Table of Contents
  • Preface Preface-i
    • Chapter1
  • Features, Menu Tree, and Defaults 1-1
    • Chapter2
  • Getting Started with Local and Remote Omega 2-1
    • Chapter3
  • Getting Started With Browser Management 3-1
    • Chapter4
  • Configuration and Administration 4-1
    • Chapter5
  • Virtual LAN Configuration 5-1
    • Chapter6
  • Monitoring 6-1
    • Chapter7
  • Diagnostics 7-1
  • Spanning Tree Protocol A-1
  • Index Index-1
• Preface
• Purpose of This Guide
• How This Guide is Organized
• Document Conventions
  • A note provides additional information.
• Related Guides
• Chapter1
  • Features, Menu Tree, and Defaults
  • Software Features
    • Switch Naming and Security Features
  • Switch Default Settings
    • Table11 Switch Default Settings
  • Setting Switch Defaults
    • 1. Attach a terminal or PC to the RS232 port located on the front panel of the switch and start t...
    • 2. Press RESET located on the right side of the switch’s front panel.
    • 3. Immediately press any key when you see Hit any key to run diagnostics or to reload system soft...
    • 4. Select D from the menu. The following warning message displays:
    • 5. Select Y.
    • 6. Press B to boot the switch software.
  • Menu Tree
    • Figure11 Omega Menu Tree (1 of 2)
    • Figure12 Omega Menu Tree (2 of 2)
• Chapter2
  • Getting Started with Local and Remote Omega
  • Getting Started with Local Omega
    • Configuring Your Terminal Emulator Program
      • 1. Access the terminal emulator program on your PC (VT100) and set the following:
    • The diagnostics that run during the system boot output only at 9600 bps. Therefore, Allied Telesy...
      • 2. Press <Return> several times to ensure baud autoconfiguration.
      • Starting an Omega Session
        • Allied Telesyn AT-3714FXL Ethernet Switch Accounting Main Menu
          • Figure21 Omega Main Menu (AT-3714FXL)
        • Allied Telesyn AT-3714FXL Ethernet Switch Accounting Main Menu
          • Figure22 System Configuration Menu
      • Entering an IP Address
        • 1. Select System administration IP Parameters from the Main Menu.
        • 2. Select IP address and enter a unique IP address for the switch.
        • 3. Select Subnet mask and enter the switch’s subnet mask.
        • 4. Select Gateway address and enter the address if you are sending packets to another IP network....
    • For non-IP environments, you can use MAC addresses to connect to remote Allied Telesyn switches o...
      • Quitting a Session
    • After you have configured your switch using the Omega management software, you must quit the sess...
  • Remote Management Requirements
  • Managing Your Switch in a TCP/IP-based Network
    • You do have the option to manage the switch using either SNMP or Omega Remote, via Telnet or web ...
      • TCP/IP with BootP or DHCP
      • TCP/IP without BootP
      • Non-TCP/IP Networks
    • You cannot manage the switch using a web browser without configuring TCP/IP information.
      • Configuration Options
• Chapter3
  • Getting Started With Browser Management
  • Browser Requirements
    • While only one local or remote Omega session can be opened, there can be multiple web-based sessi...
  • Starting a Browser Session
    • 1. If your network is using a proxy server, you will need to make exceptions for the switches tha...
    • At minimum, you must have Netscape version 3.0 or any other industry-standard browser to manage t...
      • 2. At the Universal Resource Locator (URL) prompt, enter the switch’s IP address. The following s...
    • For easy access, you may want to bookmark the URL for the switches you access frequently.
  • Navigating Around the Switch
    • Figure31 Port 15 Settings
    • Figure32 Port Link, Status, and Mode States
• Chapter4
  • Configuration and Administration
    • Connecting to a Remote System
      • Menu
      • 3. Enter one of the following: system name or DNS name if any, IP address, or MAC address.
      • 4. Select Quit when you are done.
      • It is important that you select Quit after the Omega session. Otherwise, you may block other sess...
    • Pinging a Remote System
      • Menu
      • 1. Select Administration> Ping a remote system.
      • 2. Enter one of the following: system name, IP address, or Ethernet address. The following screen...
      • When using browser management, 19 pings are sent and then stop.
    • Enabling or Disabling a Port
      • Menu
      • 1. Select Port Status and configuration to display the list of ports.
      • 2. Select a port number, for example, 1, from the list.
      • 3. Select the option to enable or disable the selected port.
      • 4. Select Return to Port Status Menu... to display the list of ports with the updated information...
    • Configuring IP Parameters
      • Menu
      • If you have a BootP server and you have mapped the switch’s MAC address to IP parameters, the swi...
        • 1. Select System Configuration, then IP parameters.
        • 2. Select the parameter you want to configure from the following list. Then select Return to Main...
      • If you have a generic (dumb) terminal configuration, enter the letter corresponding to your choice.
      • The software automatically searches for this password during downloads without user input. This p...
    • Naming the Switch
      • Menu
      • 1. Select System configuration System name.
      • 2. Enter a name of up to 20 characters at the prompt, for example, Accounting Switch.
      • 3. Select Return to Main Menu.
      • Change/Delete the Switch Name
        • 1. Select System configuration> System name to display the switch’s current name.
        • 2. Remove or change the current name.
        • 3. Select the current name; press RETURN.
        • 4. Press the space bar until the name has been deleted. Press RETURN. Null (not configured) displ...
        • 5. Return to the Main Menu.
        • 6. If you want to confirm the deletion, select System Name from the System configuration menu.
    • Naming the Port
      • Menu
      • Table41 Port Numbering
        • 1. Select Port status and configuration to display the list of ports.
        • 2. Select a port number from the list.
        • 3. Enter a port name. Then press RETURN.
      • Enter a name of up to 20 characters, for example, Room 1147.
        • 4. Select Return to previous menu...
        • Changing or Deleting a Port Name
          • 1. Select Port status and configuration to display the list of ports.
          • 2. Select a port number, for example, 1, from the list to display the port configuration screen.
          • 3. Select Port name and press RETURN. Type a new port name or delete the existing one. (Screen pa...
          • 4. If deleting the port name, the system also erases the name from the top of the screen.
          • 5. Return to the Main Menu and select Port Configuration to see the name deletion or change for t...
    • Assigning a Password to the Switch
      • Menu
      • 1. Select System configuration> Omega options> Password.
      • 2. Highlight Null (not configured), press RETURN, then enter a password (maximum 20 characters). ...
      • 3. Select Return to Main Menu.
      • Forgetting Your Password
    • Enabling Store-and-forward or Cut-through (Fragment-Free)
      • Menu
      • 1. Select Port status and configuration to display the list of ports.
      • 2. Select a port number from the list.
      • 3. Select the forwarding method you want for the port.
    • Enabling Auto-Negotiate/Half-Duplex/Full-Duplex
      • Menu
      • 1. Select Port Status and configuration to display the list of ports.
      • 2. Select a port number from the list of ports.
      • 3. Select the transmission mode you want for the port.
      • Make sure that both ends of the connect are set to the same mode. If only one end of the connecti...
    • Enabling Transmit Pacing
      • 1. Select Port status and configuration to display the list of ports.
      • 2. Select a port number from the list.
      • 3. Select Transmit pacing enabled.
    • Setting Up a VT100
      • Menu.
      • Setting Up a Generic (Dumb) Terminal
        • Menu
      • Setting Full-Duplex/ Half-Duplex Mode
        • Menu
      • Setting Baud Rates
        • Menu
      • The default is automatic baud rate detection.
        • Table42 Fixed Baud Rates
    • Setting Time Out Protection
      • Menu
      • 1. Select System administration> Omega Options.
      • 2. Enter a timeout value from 0 to 32,767 minutes. Press RETURN.
      • Deleting a Previously Configured Timeout Value
    • Enabling/Disabling Omega Access
      • Local Omega
      • Remote Omega
      • Web-based Omega
        • Menu
          • Figure41 Enabling/Disabling Omega
    • Enabling/Disabling Backpressure
      • Figure42 Enabling Backpressure
    • Performing Software Upgrades Via TFTP
      • This download password can be changed to prevent unauthorized changes to the switch firmware.
        • Conditions for Network Downloads via TFTP
        • Using TFTP
      • TFTP platforms vary. Some have graphical user interfaces while other platforms require you to typ...
        • Downloading from One Switch to Another
          • Menu
          • 1. Select Update software in another system.
          • 2. Enter either the destination switch’s name, its IP address, or its MAC address (also known as ...
          • 3. Select the Return to Main Menu icon to see a confirmation similar to the following screen.
        • Broadcast Updated Software to All Systems
          • Menu
      • Plan a software broadcast during times when your network is not busy.
        • 1. Select Administration> Broadcast updated software to All systems.
      • You cannot undo this command once executed.
        • 2. Select Return to Main Menu... without interrupting the software download.
      • Switches on your network with different download passwords will not receive the software upgrades.
        • Using XModem to Download
          • 1. Select Adminstration<XModem software update to this system.
          • 2. Enter Yes.
    • Configuring for Bridging
      • Menu
        • Figure43 Bridging Submenu
      • Although defaults are adequate for most installations, changing defaults should be done only if t...
        • Configuring Spanning Tree Parameters
          • Menu
          • 1. Select Bridging, spanning tree parameters to display the bridging options, as shown in the fol...
            • Figure44 Spanning Tree Screen
          • 2. Select Bridge Priority and enter a priority number.
          • 3. Enter Max age time to get the next screen and enter the aging time in seconds at the prompt.
      • Aging time for BPDUs are different from aging time in the MAC address table.
        • 4. Enter Hello time and enter the time in seconds at the prompt.
        • 5. Enter Forwarding delay value and enter the time in seconds.
        • 6. Select Return to Main Menu and repeat the procedure if you want to reconfigure the spanning tr...
        • Designating the Root Port
          • Menu
          • 1. Select Port spanning tree configuration from the Bridging Menu to get a similar list shown on ...
          • 2. Select a port number, for example, 1, to get a screen similar to the following.
          • 3. Select Priority to get the next screen and enter 0 as the priority number at the prompt to mak...
          • 4. Select Cost to get the next screen and enter a cost parameter ranging from 1-65,535; or keep t...
    • Selecting Global Configuration
      • Menu.
      • 1. Select Port Status and configuration to display the list of ports.
      • 2. Select a port number, for example, 1 , from the list.
      • 3. Select the Global Config option.
      • 4. Confirm your action.
      • 5. Select Return to Port Status Menu... to display the list of ports with the updated information.
    • Enabling/Disabling Port Trunking
      • Port Trunking requires that both uplink ports be of the same type and operate in the same mode.
        • 1. Select System configuration > Enable Port Trunking.
        • 2. Select Return to System Configuration Menu…, then select Port Status and configuration Menu......
• Chapter5
  • Virtual LAN Configuration
    • Menu
      • Figure51 Virtual LANs Menu
      • Figure52 VLAN Example
    • The manager is a legacy device. It cannot interpret VLAN tags. The management agent responds only...
      • Figure53 Typical Configuration
    • The PVIDs must match on the trunk or uplink port between the AT8518 switch and the AT-3714FXL sw...
      • Configuration Information
      • Port Information
        • Figure54 Virtual LAN Main Menu
        • Figure55 Default VLAN Menu
      • Adding a New VLAN
        • Menu
        • 1. Select Add new table entry>. The following screen displays.
          • Figure56 Adding New VLAN Descriptors
        • 2. Enter the following VLAN descriptors:
        • 3. Select Return to VLAN Definition Menu. The following screen displays showing the new VLAN desc...
          • Figure57 New VLAN Descriptors
    • Allied Telesyn highly recommends that you use the VLAN ID (default) supplied by the system. Altho...
      • Port to VLAN Configuration
        • Menu
        • 1. Select Port to VLAN configuration.
          • Figure58 Virtual LAN Menu
          • Figure59 Port-To-VLAN Configuration
      • Deleting a Port from a VLAN or Changing Port’s VLAN Assignment
        • 1. Select Port VLAN configuration from the Virtual LANs menu to display the port list with VLAN a...
        • 2. Select the port number you want to delete or change.
        • 3. Do one of the following:
• Chapter6
  • Monitoring
  • Activity Monitor
    • Menu
    • Accounting
      • Figure61 Activity Monitor During Software Downloads
  • MAC Address Table
    • Menu
    • MAC Address Menu Accounting
      • Figure62 Sample MAC Address Table
    • Show All MAC Addresses
      • MAC Address Table Accounting
      • MAC Addresses - Page 1
        • Figure63 Show All MAC Addresses
    • Show By Port MAC Addresses
      • Menu
      • 1. Select MAC Address Table from the main menu. The MAC address menu displays.
      • 2. To learn the MAC address of a specific port, select By port MAC addresses.
      • 3. Select a specific port number to learn the MAC addresses for that port. The following screen d...
      • MAC Address Table Port 5
      • MAC Addresses - Page 1
        • Figure64 By Port MAC Address (Port 5)
    • Get Port from MAC Address
      • Menu
      • 1. Select MAC Address Table from the main menu. The MAC address menu displays.
      • 2. Select Get Port from MAC Address.
      • 3. In the MAC Address field, using the Up Arrow key, enter the MAC Address, for example 0000F4 01...
        • Figure65 Get Port from MAC Address (Port 5)
  • Static MAC Addresses
    • Show All Static MAC Addresses
      • Menu
      • Static Address Configuration Menu Accounting MAC Addresses - Page 1
        • Figure66 Show All Static MAC Addresses
    • Show Per Port Static MAC Addresses
      • Menu
      • Port Selection Menu Accounting
        • Figure67 Per Static MAC Addresses
      • Add MAC Address Menu Accounting
      • Port 2
        • Figure68 Per Port Static MAC Address (Port 2)
    • Delete/Add Static MAC Address
      • Menu
      • 1. Select Per port static MAC address screen, then <Port Number>.
      • 2. Enter your six digit static MAC address. Figure69 shows that the static MAC address table ha...
      • Static Address Configuration Menu Accounting
      • MAC Addresses - Page 1
        • Figure69 Add Static MAC Address (Port 19)
    • Add/Delete Static MAC Addresses and Selecting Ports for Multicasts
      • Menu
    • You add or delete a MAC address from the Muticast Addresses menu.
      • Add Static MAC Address Menu Accounting
      • MAC Addresses
        • Figure610 Muticast Addresses (Add/Delete MAC Addresses)
        • 1. Select Multicast addresses, Add MAC address.
    • Prior to MAC addresses being added, you must enter both the MAC address and ports to receive mult...
      • 2. As an example, enter the six digit multicast MAC address (010002 00000B) and the ports (5,10,1...
      • Add Static MAC Address Menu Accounting MAC Addresses
        • Figure611 Add MAC Address and Muticast for Ports 5, 10, and 12
        • 3. To see your newly added MAC address and ports that are to receive multicast packets, press RET...
    • If you want to change any of the ports that have already been assigned a multicast, you must re-a...
      • Clearing Static MAC Table
        • Menu
        • 1. Select MAC Address Table, then select Clear static MAC table.
        • 2. Enter y to clear the MAC address table.
      • Locating Your Switch’s MAC Address
  • Security/Source Address Table
    • Figure612 Security/Source Address Table
    • Table61 Security/Source Address Table
      • Source Address Learning Mode
    • If you do not lock the SAT table, it will not be saved when the switch is reset.
      • Security Threshold
        • Figure613 Security Threshold
        • Figure614 Configure MAC Address Limit
        • Figure615 MAC Address Limit on Port 5
        • Figure616 MAC Address Limit on All Ports
      • Intruder Protection
        • Figure617 Intruder Protection Screen Section
    • When the Security feature is used to disable a port, the MAC addresses are not deleted until the ...
  • Setting Security/Source Address Table Options
    • Menu
      • Figure618 Security/Source Address Table Screen (defaults)
    • Setting Source Address Learning Mode
      • 1. Select <Secure: source address learning enabled; intruder protection disabled>. The Secure: So...
        • Figure619 Secure: Source Address Learning Enabled
    • Setting Security Threshold
      • 1. Select <Threshold:intruder protection when port MAC address limit exceeded>
    • Setting Number of MAC Address
      • Figure620 Five MAC Addresses Assigned to Port 1
      • 2. Select the specified port and enter the maximum number of MAC addresses assigned to that port,...
        • Figure621 MAC Address Limit on Port 5
      • 3. To apply the same number of MAC address limits to all ports, select <Apply this limit to all p...
        • Figure622 MAC Address Limit on All Ports
    • Setting Intruder Protection
      • Figure623 Intruder Protection
      • 1. Select <Transmit an SNMP Trap if an intruder is detected>
      • 2. Select <Disable the port if an intruder is detected>
  • Mirror Port
    • Menu.
    • 1. Select Traffic/Port Mirroring from the main menu. The Port Mirroring screen is displayed.
    • 2. Select Enabled to display additional options on the same screen.
    • 3. Select a source port number.
    • 4. Select Return to Main Menu...
    • 5. Go to your monitoring device to see the traffic.
  • Port Status
    • Menu
    • For the AT-3714FXL and AT-3714F, Ports 14 and 15 are the uplink ports (Port A and Port B).
      • Figure624 Port List from Port Status (for AT-3726XL, AT-3726)
  • Port Numbering
    • Table62 Port Numbering
      • Figure625 Port Configuration for Port 1
  • Statistics: Received and Transmitted Ethernet Frames
    • Menu
    • Viewing Switch Statistics
      • 1. Select Ethernet Statistics from the Main Menu to display the Receive Statistics Graph.
      • Accounting
      • Receive Statistics Graph
        • Figure626 Received Frames Graph
        • 2. Select RMON Statistics from the Receive Statistics Graph to display the RMON Statistics Graph.
        • 3. Select a port, for example Port 1. Figure628 displays the RMON Statistics for Port 1.
      • Accounting Port 1 RMON Statistics Graph
        • Figure627 RMON Statistics for Port 1
    • Table63 Received Frames
      • 4. Select Transmit Statistics to display the Transmit Statistics Graph, as shown in Figure628.
      • Accounting
      • Transmit Statistics Graph
        • Figure628 Transmitted Frames Graph
    • Table64 Transmitted Frames
      • Viewing Port Statistics
        • 1. Select Ethernet statistics, then select Receive Statistics Graph.
        • 2. Select Individual port overview to display a screen similar to Figure629, listing each port ...
        • Accounting
        • Total Received Frames
          • Figure629 Total Received Frames Per Port Graph
          • 3. Select a port number, for example, Port 1, to display a screen similar to Figure630, showing...
        • Accounting Port 1 - Room 1147 Receive Statistics Graph
          • Figure630 Received Frames Graph for Port 1
          • 4. Select Transmit statistics to display a screen similar to Figure631, showing the frames tran...
        • Accounting Port 1 - Room 1147 Transmit Statistics Graph
          • Figure631 Transmitted Frames Graph for Port 1
      • Interpreting the Graphs
      • Using the Graphs as a Monitoring and Diagnostics Tool
        • 1. Display any of the Ethernet statistics graphs by selecting Ethernet statistics from the Main M...
        • 2. Observe the counters and the graph.
        • 3. Identify and fix the problem.
        • 4. Select Zero statistics counters from any of the Statistics screens after fixing the problem.
    • For more details on resetting statistics counters, see Chapter7, Diagnostics.
• Chapter7
  • Diagnostics
  • Resetting the Switch
    • Menu
    • To Reset the Switch
      • Menu.
  • Running Diagnostics
    • Menu
    • Accounting
      • Figure71 Diagnostics Screen
  • Getting Help
  • Resetting Statistics Counters
    • Menu
    • To Reset Switch (System) Counters
      • 1. Select Ethernet Statistics from the Main Menu to display the Receive Statistics Graph.
      • 2. Select Zero all statistics on the entire system.
• AppendixA
  • Spanning Tree Protocol
    • Concepts
      • Features
      • Parameters
      • Table A1 Spanning Tree Protocol Parameters
        • Operations
        • Index
          • A
          • B
          • C
          • D
          • E
          • F
          • G
          • H
          • I
          • L
          • M
          • N
          • O
          • P
          • Q
          • R
          • S
          • T
          • V