Troubleshooting The Switching Module; Useful Cisco Ios Commands - Switching Modules; Troubleshooting Supervisor Modules; Supervisor Module Leds - Cisco Catalyst 9400 Series Hardware Installation Manual

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Troubleshooting the Switching Module

Each switching module has one STATUS LED that provides information about the module and one numbered

PORT LINK LED for each port on the module. Refer to

on page 163

Useful Cisco IOS Commands - Switching Modules

The show module command provides information that is useful in solving problems with ports on individual

modules.

Some problems can be solved by resetting the switching module. Power cycle the chassis - this resets, restarts,

and power cycles the switching module.

Troubleshooting Supervisor Modules

This section only addresses problems with hardware. Problems with features or configuration are not covered

here. Refer for your software configuration guide and release notes for information on configuring features

or identifying known problems.

Supervisor Module LEDs

• Check the LEDs on your supervisor and compare them to the described LED behaviors. See

• The Supervisor Module STATUS LED turns either amber or red under the following conditions:

Standby Supervisor Engine Problems

•

• Make sure that the supervisor module properly seats in the backplane connector and that you have

•

Cisco Catalyst 9400 Series Switches Hardware Installation Guide

138

to determine the status of the LEDs.

Catalyst 9400 Series Supervisor Module LEDs, on page 164

• Power supply failure (not the same as removal of power supply)

• Power supply fan failure

• Removal or failure of fan tray

• Mismatched power supplies in the chassis

Switch# show module

If the standby supervisor module is not online or status indicates "other" or "faulty" in the output of the

show module command or an amber status LED, create a console connection to the standby supervisor

and check if it is in ROMMON mode or in continuous reboot. If the standby supervisor is in either of

these two states, refer to the System Management > Troubleshooting the Software Configuration section

of the Software Configuration Guide

completely screwed down the captive screws for the supervisor module.

Switch# redundancy reload peer

Cisco Catalyst 9400 Series Switching Module LEDs,

Troubleshooting

Cisco

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