[mrtg] Re: MRTG monitoring a switch: Can I label by IP?

[Dan Colquhoun]

I tried to do the same thing.  It was pretty much impossible.  I'd come up
with some scheme to get the MAC address off of each port (switches can
usually give you this) and use this to get the IP address somehow.  In the
end I just went with another tool, Ntop www.ntop.org and used it to create
RRD files for each host.  Also it shows traffic by protocol and connection.
Very nice.


-----Original Message-----
From: mrtg-bounce at list.ee.ethz.ch [mailto:mrtg-bounce at list.ee.ethz.ch]On
Behalf Of Preston Wilson
Sent: May 17, 2001 2:29 PM
To: mrtg at list.ee.ethz.ch
Subject: [mrtg] MRTG monitoring a switch: Can I label by IP?



Hello -

I have three Cisco switches, and I've set up MRTG to monitor the
traffic through each port.  I've searched the Web and USENET, and
I've looked through the MRTG documentation, but there isn't much info
on switches that I've been able to find.

Does anyone here know if it's possible to find out, using SNMP, the
IP address of the machine connected to a specific port on a switch?
I need to be able to monitor bandwidth used by co-located servers,
and I'd like to be able to determine which graph is for which server
without having to manually trace the cables back to the switches
(which could be a very time-consuming solution).

If anybody has done this before, or knows where I should look, please
let me know.

Thanks in advance for any assistance...

Preston Wilson
Data Center Manager
Interactive Ink, Inc.
http://www.interactiveink.com/
--

--                                                                    --
-- Preston Wilson  --  Data Center Manager  --  Interactive Ink, Inc. --
--                                                                    --

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