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Webcast-Catalyst9k
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Show Command Killed 6509???

Good Morning,

Can anyone tell me why issuing the following command would drive the processor utilization 100%?

sh ip device tracking all           

This effectively took the switch offline until we resolved the issue by clearing the vty lines.  The following message was listed in the log 4 times:

%IP_DEVICE_TRACKING-4-TABLE_LOCK_FAILED: Table already locked byprocess-id 130(SSH Process)

This 6509 is functioning as a L2 access switch and has a very minimal config - only features running are dhcp snooping and 802.1x.  Other engineers in my company use this command on 6509s (same IOS) daily with no issues.  Unfortunately, I am unable to post any specific config info so I am just curious if anyone else has encountered this issue as I would love to know how a show command caused this issue.

Thanks,

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