Cisco Bug: CSCun17492 - C4k %Timer Expired messages - While executing show tech
Feb 20, 2020
- Cisco Catalyst 4000 Series Switches
Known Affected Releases
Symptom: %Timer expired message appears while executing 'show tech'. Additionally, the expired message may appear when executing 'show switch virtual' commands or anything subset of commands that relies on remote-tty sessions between the active and standby supervisors. Conditions: This issue is caused by a remote vty session in a stuck state between the active and standby supervisor. As a result, any further communication between the supervisors will fail. This has been seen when telnet/ssh sessions are abruptly killed while executing commands.
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Bug Details Include
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