[mrtg] Re: Monitor multiple IPs on one physical eth card?

Trent Melcher tmelcher at trilogytel.com
Wed Oct 17 16:13:53 MEST 2001

I figured so,  its the same piece of hardware with only one set of OID's so
your going to get the same info no matter how many IPs it has.  There are a
couple other ways to watch what is getting hit.  You might even be able to
find a software based sniffer that will report based on IPs.  You could
always you the trusty tcpdump with a script or something to count hits to
each IP.

Trent Melcher
Network/System Administrator
Startouch International
Office:402-346-4600 x103
Email:tmelcher at myesa.com

-----Original Message-----
From: Jeffrey A. Croft [mailto:jcroft at isdlab.com]
Sent: Tuesday, October 16, 2001 9:19 AM
To: Trent Melcher
Cc: mrtg
Subject: Re: [mrtg] Monitor multiple IPs on one physical eth card?


Yeah, that's what I got when I tried it. The same info from both IPs. I
am working on configuring ipchains to help me out with it, as Alex

Let me know if you have any other suggestions. Thanks for your time.

Jeff Croft

Trent Melcher wrote:

>I believe you will get the same data from both addresses.  Just run
>againt both Ip addresses and see what the results are.  I think they will
>the same.  I havent tested this but maybe Ill try it,  I have a box that I
>run 5 virtual IPs on, so I will give it a try myself and let you know.
>Trent Melcher
>Network/System Administrator
>Startouch International
>Office:402-346-4600 x103
>Email:tmelcher at myesa.com
>-----Original Message-----
>From: mrtg-bounce at list.ee.ethz.ch [mailto:mrtg-bounce at list.ee.ethz.ch]On
>Behalf Of Jeffrey A. Croft
>Sent: Monday, October 15, 2001 4:44 PM
>To: mrtg
>Subject: [mrtg] Monitor multiple IPs on one physical eth card?
>Is it possible to monitor more than one inferface on a single enthernet
>card with MRTG?
>I have a system with two interfaces, eth0 and eth0:0, which have different
>IPs, but are on the same ethernet card. I would really like to be able to
>monitor the two IPs seperatley, if possible.
>I just can't figure out how to configure the mrtg.cfg file to do
>this. It's a RedHat 7.0 box. Can anyone help?
>Thanks so much,
>Jeff Croft
>Industry Standard Design Lab, LLC
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