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

[jsimonetti at feedroom.com]

a switch is a layer 2 device. You can only get the MAC address of a device
connected to a port.
To get the IP to MAC translation, you need to dump the ARP cache of the
router serving that segment.
A _great_ tool to do this is Kiwi's Cat Tool v 1.1.9

it effortlessly grabs the switch data and coordinates the router info into a
spreadsheet.

http://www.kiwi-enterprises.com/



-----Original Message-----
From: Preston Wilson [mailto:preston at interactiveink.com]
Sent: Thursday, 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. --
--                                                                    --

--
Unsubscribe mailto:mrtg-request at list.ee.ethz.ch?subject=unsubscribe
Archive     http://www.ee.ethz.ch/~slist/mrtg
FAQ         http://faq.mrtg.org    Homepage     http://www.mrtg.org
WebAdmin    http://www.ee.ethz.ch/~slist/lsg2.cgi


--
Unsubscribe mailto:mrtg-request at list.ee.ethz.ch?subject=unsubscribe
Archive     http://www.ee.ethz.ch/~slist/mrtg
FAQ         http://faq.mrtg.org    Homepage     http://www.mrtg.org
WebAdmin    http://www.ee.ethz.ch/~slist/lsg2.cgi