Viewing The Software Version; Providing A Network Topology Diagram; Documenting Changes To Your System Or Network; Assessing Connectivity Problems - Nortel 8300 Troubleshooting Manual

30 Initial troubleshooting
For more information about configuring and displaying log files, see
"Displaying and configuring log files" (page

Viewing the software version

The show sys sw commands displays the software version that is running
on all cards.
Procedure steps
Step
1

Providing a network topology diagram

Every network is designed differently. It is a good troubleshooting practice
to have an accurate and detailed topology diagram of your network shows
the nodes and connections. This visual depiction of your network is very
helpful to Technical Support when they are assessing your problem.

Documenting changes to your system or network

When troubleshooting a problem, verify whether anything has been changed
recently. Ask the following questions:
•
•
•
•

Assessing connectivity problems

When there are connectivity problems, use the source and destination IP
pairs to help troubleshoot. Look at five working source and destination IP
pairs and five IP pairs with connectivity issues.
Copyright © 2007, Nortel Networks
.
Action
To display information about the software running on all cards, enter
the following command:
show sys sw
The information available from the show sys sw command
includes system software information.
Have you recently changed or upgraded your system, your network, or
a custom application? (For example, has any configuration or code
been changed?)
When were these changes made? Provide the date and time.
Who made these changes? Were the changes made by a partner or
customer? Provide the names of the individuals who made the changes.
What events can be identified prior to the trouble occurring? Such as an
upgrade, a LAN change, increased traffic, new hardware.
Nortel Ethernet Routing Switch 8300
Troubleshooting
NN46200-704 01.01 Standard
4.0 29 October 2007
64).
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