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negative unicast packets/interval number

We are getting a negative unicast packets/interval number when we monitor a port on a Cat 5500 switch using the CV5.4. The rest of the parameters (broadcast. multicast, etc) look normal. Can someone please explain how to interpret these numbers?

Thanks.

_ Alex

5 REPLIES
Blue

Re: negative unicast packets/interval number

What is the CV device package version that you have installed for Cat5500?

New Member

Re: negative unicast packets/interval number

The build is 41. The Active Device Package version for Cat5500 is 1.6.

Thanks.

_ Alex

Blue

Re: negative unicast packets/interval number

The CV device package is the most current one. What is the software version running on the Cat5500?

New Member

Re: negative unicast packets/interval number

THe software version is 3.2. It's running Sup 2 as well.

Thanks.

_ Alex

Blue

Re: negative unicast packets/interval number

3.2 is a very old software version considering the fact that the latest is now 7.x. Any way, the problem is not with CiscoView but with the software code/agent running on the switch itself. Since CV uses the underlying agent to poll the MIB objects and then display them in the form of graphs. One thing you can do it to manually poll without using CV, the objects ifOutUcastPkts and ifInUcastPkts and see if they are decrementing.

Also look at CSCdp71615 using the CCO Bug Toolkit which matches with your problem description, for which upgrading the switch code is the likely fix.

Alternatelty, you can re-boot the switch (if possible) and then poll again to to see if that makes any difference.

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