[mrtg] Re: Cisco 3550/VLAN
Eric_Mailing_List at rednarb.com
Mon Mar 22 17:58:10 MET 2004
----- Original Message -----
From: <caleb at intruix.net>
To: <mrtg at list.ee.ethz.ch>
Sent: Friday, March 19, 2004 2:30 PM
Subject: [mrtg] Cisco 3550/VLAN
I'm sure this question has been asked before, but from the posts
I've seen, no
one seemed to really answer the question. We're running a Cisco 3550
and I'm trying to monitor throughput of a given VLAN. The only thing
able to do right now is produce MRTG reports on VLAN showing
traffic -- as in 100 or below bits per second. (not kilobit -- BIT)
impossible as the actual port on the switch itself reports 600kbps.
VLAN attached to a given switchport doesn't seem to report that
I even tried changing MRTG to reference the switch's IP of a given
block -- still, no go.
This is starting to drive me nuts.
Anyone run into this, or have any suggestions?!
Intruix Tech, Inc.
In my experience, it seems that Cisco reports traffic on a vlan that
has passed from one vlan to another. Since all that traffic is on
the same vlan, it doesn't report that bit rate. I was puzzled by
this at first as well, and never did get an official answer from
Cisco. However, I can tell you that on my multi-vlan 4006 I get a
large amount of traffic reported on each vlan as a lot of data
traverses back and forth across them all. But on my edge network
switches, the vlan report shows next to nothing.
Eric_Mailing_List at rednarb dot com
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