3750X output queue drops

[Daniel Hunter]

I have a 3750X-24T in our production environment that is showing very high number of OQD's in the 'show int sum' output for 4 of the Gigabit interfaces; the interfaces are each in a seperate port channel and there are no OQD's for the relevant port channel and there are no output drops showing in the output for the 'sh int' command for each interface.

The following are the OQD's for the relenvant interfaces

Gi1/1/1:     0

Gi1/1/2:     0

Gi1/1/3:     0

Gi1/1/4:     0

Gi2/1/1:     4252879251

Gi2/1/2:     4251090833

Gi2/1/3:     4251754140

Gi2/1/4:     4294942102

Po1:          0

Po2:          0

Po3:          0

P04:          0

Gi1/1/1 and Gi2/1/2 assigned to Po1, and so on.

IOS version:     C3750E-IPBASEK9-M 12.2(58)SE2

I am assuming this is a bug but would be interested to hear if anyone esle has experienced this problem or knows of a fix.

[Prasan Venky · Accepted solution]

Hi,

Its seems very huge packet drops and check whether it increases by clearing and setting the interval time to 30 secs.

paste output of sh interf switching.

If it shows any incorrect value in the output may be you are hitting this bug CSCso81660 found in the known affected versions.

http://tools.cisco.com/Support/BugToolKit/search/knownAffectedVersions.do?method=fetchKnownAffectedVersions&bugId=CSCso81660

Rate if it helps....

[Daniel Hunter]

Sorry for the slow response, I thought I'd already actioned this.

Software bug is correct answer.