[c-nsp] 6506 reporting incorrect vlan traffic stats via SNMP.

[Paul Stewart]

Hey Stephen....;)

We ran across a similar instance recently and it might be related.
During a test of a new network monitoring system, I changed the
"load-interval" to 30 seconds instead of the default 5 minutes and our
graphs did the same thing.  Kind of strange though as our rrdtool was
fine.... this was on a GigE copper interface if that matters.... changed
the load-interval back and it was accurate again....

Thanks,

Paul Stewart
Network Administrator
Nexicom Inc.
http://www.nexicom.net/  

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Stephen Fulton
Sent: Friday, September 22, 2006 9:17 PM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] 6506 reporting incorrect vlan traffic stats via SNMP.

Hi all,

One of our 6506's running IOS 12.2(18)SXF4 is not reporting correct
inbound/outbound traffic statistics per vlan via SNMP.  I have set two
graphing packages (Cacti & RTG) polling the vlan interfaces ever 30
seconds, and the correct traffic is simply not being reported.  For
example, a vlan that typically has 5mbps inbound consistentally is only
reporting 40kbps.

As best I can tell our configuration on this particular 6506 is pretty
standard, but if there is something particular that you need to see,
I'll cut and paste it in a follow-up message.

Thanks,

-- Stephen.
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