From owner-freebsd-questions  Fri Jan  3  6:45:50 2003
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Date: Fri, 3 Jan 2003 11:46:27 -0300 (ART)
From: Fernando Gleiser <fgleiser@cactus.fi.uba.ar>
To: Dan Malaby <dan@peritek.com>
Cc: questions@freebsd.org
Subject: Re: Is there a way to get a MAC address from an IP address
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On Thu, 2 Jan 2003, Dan Malaby wrote:

> Is there a way if given an IP address to get the MAC address. The problem I
> am having is that there are two nic's that are using the same IP address on
> my network, but the error message my FBSD box gives me is only the MAC
> address for the offending card. I belive that the offending card does have
> another ligit IP address. I do have a map of all IP that respond on my
> network, but do not have a way of knowing which IP goes with which MAC address.

arp -an | grep <MAC>

replace <MAC> with the MAC addr you have.




			Fer

>
> Any help would be appreciated.
>
>
> Daniel Malaby           voice:(510) 531-6500
> Peritek Corp.           fax:   (510) 530-8563
> 5550 Redwood Road       email: dan@peritek.com
> Oakland, CA 94619
>
>
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