Folks,

This is another "have you seen this?" question. We run Intermapper 4.1.1 on an OS X 
Mac. We are monitoring a Cisco 7507 running 12.2(10b) using the Cisco v2c probe.

The 7507 has a fast ethernet interface were we have used 802.1Q VLANs to create two 
subinterfaces (in Cisco lingo).

Here's the oddity. Intermapper reports received errors on both subinterfaces, eg 
fastether1/1/0.3. The numbers are not huge, but they are pretty constant under normal 
operations when the interface's utilization is only a few percent. But Intermapper 
reports no errors on the master interface, fastether1/1/0. None. And the router's 
"show interface" command also shows no received errors at all, ever, on the master 
interface. "Show int" does not display error counts on subinterfaces.

So, have you seen this? What are the errors that IM is reporting on the subinterfaces?

Stephen Campbell
Network Services
Dartmouth College
6223 Berry-Baker Library
Hanover, New Hampshire 03755
603.646.3231  Fax: 603.646.1041

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