[mrtg] Re: mrtg for ethernet trafic using ip alias
Daniel J McDonald
dmcdonald at digicontech.com
Thu Jul 5 16:26:38 MEST 2001
drk at voyager.net wrote:
>This is a case of RTFM
>There is a section on "Interface by IP" in the configuration reference
>This should be what you are looking for I believe
Alas, it is not. That just allows MRTG to determine a router interface
ifIndex value to be determined by something fixed.
>> I want to monitor ethernet trafic using mrtg.
>> I had already succes in monitor the trafic for some ip number.
>> The problem is that I want to monitor the trafic in the ethernet
>> using ipalias. Can anybody help me with this ?
There are a couple of ways to skin this cat:
1. use ipchains with a firewall rule of "always allow" and record the
number of hits.
2. use CAR on a nearby router with a CAR rule of "always allow" and record
the number of hits.
3. use netflow export and a program like flowscan or cflowd to grab the
I've got a full description of how you would use CAR to do this on a
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