Get a list of events that occurred prior to the trouble, such as an upgrade, a LAN change,
increased traffic, or installation of new hardware.
• Connectivity information: To help troubleshoot connectivity problems, you should
always provide source and destination IP pairs to facilitate in troubleshooting. Ten pairs
is a good rule of thumb (five working pairs and five pairs with connectivity issues). Use
the following commands to get connectivity information:
-
show tech
-
show running-config
-
show port-statistics <port>
Initial troubleshooting
52 Troubleshooting Avaya ERS 4000 Series April 2014
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