Enterasys Networks A2H124-24FX User Manual

Page 70

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Troubleshooting Checklist

4-8 Troubleshooting

Port(s) goes into
standby for no
apparent reason.

Loop condition detected.

Verify that Spanning Tree is enabled.
Refer to the SecureStack A2
Configuration Guide
for the instructions to
set the type of STA.
Review the network design and delete
unnecessary loops.
If the problem continues, contact
Enterasys Networks for technical support.

User parameters (IP
address, switch and
module name, etc.)
were lost when the
SecureStack A2
power was cycled.

Clear NVRAM was set using
CLI commands.

Reenter the lost parameters as
necessary. Refer to the SecureStack A2
Configuration Guide
for the instructions to
configure the SecureStack A2 using CLI
commands.
If the problem continues, contact
Enterasys Networks for technical support.

User powered the
management switch off before
the configuration was saved.
Configuration changes on the
management A2 switch are
saved to itself every two
minutes (the configuration is
pushed to the other stack
members every fifteen
minutes).

Execute the “save config” command, and
wait for the prompt to come back before
Powering the switch off.
Executing the “reset” command
automatically saves the config before
resetting the switch.

Table 4-2 Troubleshooting Checklist (continued)

Problem

Possible Cause

Recommended Action

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