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Question about 3750 and MIB

Dear Mister

I have a 3750, whit a problem of high CPU utilization.

The log show the next message:

Dec 26 13:25:58: %SNMP-3-CPUHOG: Processing GetBulk of lldpRemEntry.8

Dou you know what it´s means??

lldprementry is a summary of "LLDP REMOTE ENTRY". But, what is the meaning about .8 .

Best Regards

1 Reply 1

andtoth
Level 4
Level 4

Hi,

You are most likely hitting a software bug which caused this. The bug id is CSCtg62793.

Traceback on 3750 for lldpRemEntry

Symptom:
See system message set like:

%SYS-3-CPUHOG: Task is running for (2111)msecs, more than (2000)msecs (78/44),process = SNMP ENGINE.
2010-04-27 16:19:01 - 10.60.4.52 - 122: -Traceback= 1755588 1755640 1752508 172B6C8 172B704 18ABA64 18A9D54 28FCDEC 28D0A28 28C1390 28EC158 1B8ADCC 1B81858

%SNMP-3-CPUHOG: Processing GetNext of lldpRemEntry.8.0


Conditions:

3750 stack running image c3750-ipservicesk9-mz.122-53.SE.bin

Workaround:

Create an snmp-server view blocking this portion of the mib tree or the LLDP-EXT-MED-MIB that contains it ie

snmp-server view cutdown iso included
snmp-server view cutdown 1.0.8802.1.1.2.1.5.4795.1.2.1 excluded

or

snmp-server view cutdown 1.0.8802.1.1.2.1.5.4795 excluded


and then to apply it :

no snmp-server community < your string here> RO 1
snmp-server community < your string here> view cutdown RO 1

Please refer to the Bug Toolkit page for more information on the following link:

http://tools.cisco.com/Support/BugToolKit/search/getBugDetails.do?method=fetchBugDetails&bugId=CSCtg62793

This will be fixed in IOS version 12.2(58)SE.

Best regards,

Andras

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