AT-8800 Series Switch
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Contents
Operating the switch
AT-8800 Series Switch User Guide
Maintenance and Troubleshooting
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Introducing the AT-8800 Series Switch
Why Read this User Guide?
Chapter
Where To Find More Information
AT-8800 Series Switch Documentation Set
Features of the AT-8800 Series Switch
Online Technical Support
Introduction
Management Features
Software Features
Special Feature Licences
Do if You Clear Flash Memory Completely on
Getting Started with the Command Line Interface CLI
This Chapter
Connecting a Terminal or PC
Terminal Communication Parameters
Parameters for terminal communication Value
Enter the password at the password prompt
Getting Started with the Command Line Interface CLI
Logging
Assigning an IP Address
Setting Routes
To change the IP address for an interface, enter the command
Changing a Password
Choosing a Password
To add a static route, enter the command
Using the Commands
Not available
Getting Command Line Help
To display the current help file, enter the command
Aliases
Enabling Special Feature Licences
Setting System Parameters
Getting Started with the Graphical User Interface GUI
Getting Started with the Graphical User Interface GUI
What is the GUI?
Accessing the Switch via the GUI
Browser and PC Setup
Supported browsers and operating systems
Http Proxy Servers
Establishing a Connection to the Switch
See Option 3 Connecting to an Installed Switch on
See Option 1 Configuring the Switch before Installation on
See Option 2 Installing the Switch into the LAN on
Option 1 Configuring the Switch before Installation
Use this procedure if
See Http Proxy Servers on page 23 for more information
Option 2 Installing the Switch into the LAN
Default username is manager
At the login prompt, enter the user name and password
Plug the switch into the LAN
See Secure Access on page 29 for more information
Assign the vlan1 interface an IP address
Option 3 Connecting to an Installed Switch
Find out the IP address of the switch’s interface
Select a PC
If necessary, bypass the Http proxy server
Secure Access
Create a Security Officer user account
Then enter the password for CIPHER, sbr4y3
To enable system security, use the command
To create an RSA key pair, use the command
System Status
System Status
Using the GUI Navigation and Features
Configuration Menu
Using Configuration Pages
Quality of Service and traffic filters
An example of a configuration page with a selection table
Editable Fields
Management Menu
Monitoring Menu
Diagnostics Menu
Changing the Password
Context Sensitive GUI Help
Saving Configuration Entered with the GUI
Combining GUI and CLI Configuration
Configuring Multiple Devices
To upgrade the GUI
Then delete the GUI resource file, using the command
Load the new file onto the switch
Upgrading the GUI
Troubleshooting
Install the new file as the preferred GUI
Point your web browser at the switch’s IP address
Accessing the Switch via the GUI
Deleting Temporary Files
Traffic Flow
Solution
Solutions
IP Addresses and Dhcp
Time and NTP
Loading Software
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Using Scripts on
User Accounts and Privileges
Snmp and MIBs on
A Security Officer prompt looks like
Login
Normal Mode and Security Mode
To display the current operating mode, enter the command
Operating the switch
Specific Parameters
Remote Management
Storing Files in Flash Memory
Using Scripts
Example output from the Show File command
Saving the Switch’s Configuration
Storing Multiple Scripts
Loading and Uploading Files
File Naming Conventions
File extensions and file types Extension File type/function
Loading Files
SPA
Setting Loader Defaults
Example Load a Patch File Using Http
To load a patch file Configure the Loader
Download the patch file
Uploading Files From the Switch
Example Upload a Configuration File Using Tftp
More information
To upload a log file
Upgrading Switch Software
Example Upgrade to a New Software Release Using
To upgrade to a new software release
Load the new release file onto the switch
Enter the licence password for the software release
Make the release the default permanent release
Enter licence information for the release
Test the release
Example Upgrade to a new patch file
To upgrade to a new patch file
Check that the file is successfully loaded
Using the Built-in Editor
Snmp and MIBs
Where interface is the name of an interface, such as vlan11
For More About Operations and Facilities
AT-8800 Series Switch User Guide
Switch Ports
Enabling and Disabling Switch Ports
To enable or disable a switch port, use the commands
To display information about switch ports, use the command
STP
Autonegotiation of Port Speed and Duplex Mode
Port Trunking
Speed 10/100
Show VLAN=ALL
Layer 2 Switching
Packet Storm Protection
Port Mirroring
Port security
Example output from the Show Switch Port Intrusion command
Virtual Local Area Networks VLANs
Vlan Tagging
Tpid
Format of user priority and Vlan data in an Ethernet frame
Vlan Membership using Vlan Tags
Vlan membership of example of a network using tagged ports
Vlan Membership of Untagged Packets
Member ports
Creating VLANs
Vlans with untagged ports
To add tagged ports to a VLAN, use the command
To destroy a VLAN, use the command
Summary of Vlan tagging rules
Protected VLANs
Vlan Interaction with STPs and Trunk Groups
Layer 2 Switching Process
Generic Vlan Registration Protocol Gvrp
Ingress Rules
Learning Process
Forwarding Process
Layer 2 Filtering
Example output from the Show Switch Filter command
Quality of Service
Egress Rules
Spanning Tree Protocol STP
Spanning Tree Modes
Spanning Tree and Rapid Spanning Tree Port States
Spanning tree port states State Meaning
Rapid Spanning Tree port states State Meaning
Configuring STP
SET STP=stpnameALL PRIORITY=0..65535
Example output from the Show STP command
Do not occur
Switch Max Age
Parameter Meaning
To display STP port information, use the command
94AT-8800 Series Switch User Guide
Example output from the Show STP Port command
To show STP counters, use the command
96AT-8800 Series Switch User Guide
Receive
Transmit
Discarded
Interfaces to Layer 3 Protocols
Igmp Snooping
Disable Igmpsnooping
Example output from the Show IP Igmp command
Group List
Triggers
Event
Description
Parameters
Layer
Then use either of the following commands
Displays the interfaces enabled for IP routing Figure
Internet Protocol IP
IP Multicasting
Routing Information Protocol RIP
Novell IPX
Layer 103
Example output from the Show IPX Circuit command
AppleTalk
Resource Reservation Protocol Rsvp
Layer 105
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Maintenance and Troubleshooting
How the Switch Starts Up
Switch startup messages
How to Avoid Problems
Set system territory
Watch for software updates
What to Do if You Clear Flash Memory Completely
If you accidentally do this, you will need to
What to Do if Passwords are Lost
What to Do if the PPP Link Disconnects Regularly
Getting the Most Out of Technical Support
Resetting Switch Defaults
Checking Connections Using Ping
To get debugging output, enter the command
Maintenance and Troubleshooting 113
Troubleshooting IP Configurations
To set Ping defaults, enter the command
Stop a Ping that is in progress, enter the command
Telnet Fails
Troubleshooting Dhcp IP Addresses
Your switch is acting as a Dhcp client
Your switch is acting as a Dhcp server
Maintenance and Troubleshooting 115
Troubleshooting IPX Configurations
To check that the PPP link is active, enter the command
Local Workstations Can Not Access Remote Servers
No Routes are Visible to the Remote Router
Using Trace Route for IP Traffic
Check route tables
To halt a trace route that is in progress, enter the command