A very odd DHCP syslog from 3750 switch.

[DuJin0509]

Hello every one ,

I encountered a very odd syslog from 3750 switch as below.any idear for this ?

*Mar 13 19:57:30 CST: %DHCP_SNOOPING-3-DHCP_SNOOPING_INTERNAL_ERROR: DHCP Snooping internal error, failed to lock semaphore to age out snooping binding entry

-Traceback= 20316F4 2034710 1BD01E8 1BC6C60

Symptom is all end users can not obtain IP addreess from DHCP server.

Thank you .

[Philip D'Ath · Accepted solution]

Almost certainly a software bug.  You should upgrade the software to the next gold star release, or the last maintenance patch in the train you are running.