[mrtg] Re: Catalyst 6509 - Gigabit traffic monitoring

Pavel Ruzicka pavouk at k332.feld.cvut.cz
Wed Jan 24 10:33:38 MET 2007

> Hi,
> I have a network of 6 Cisco Catalyst 6509 routers, all connected by gigabit
> fibre. These in turn feed off about 4 or 5 gigabit connections into some
> Cisco switches. I have been monitoring the routers for a couple of days. But
> the traffic being recorded on them appears to be very low - eg; one of the
> routers feeds a vlan in our core datacenter which contains about 40 NT
> servers, we have about 2000 users connected to these servers, but the
> traffic graph has a max of 3328 bits per second and an average of 1200 bits
> per second. This doesnt seem to be an accurate record of the traffic going
> across the link.

I must use SNMP version 2 for Gigabit Interfaces.
This is My piece of config from Catalyst 4000:
Target[router1.xxx.cz_2_4]: #2/4:public at router1.xxx.cz:::::2

> Target[]: 6:public at

For generating configuration I use cfgmaker with these additional options:
--ifref=name    --snmp-options=:::::2

Best Regards,

Pavel Ruzicka

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