[98520] in RedHat Linux List

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Re: Utility to dump hwaddresses from a subnet?

daemon@ATHENA.MIT.EDU (Jan Carlson)
Mon Nov 9 16:36:54 1998

Date: Mon, 09 Nov 1998 07:00:32 -0500
From: Jan Carlson <janc@iname.com>
To: redhat-list@redhat.com
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com

Mattias Mattsson wrote:

> Hello everybody,
>
> I'm seeking for a program which can dump the Ethernet hardware addresses
> on a subnet.
>
> I know I can whatch the addresses in the kernel routing table by using
> '/sbin/arp -n', but it only shows the addresses recently accessed. I would
> like a list of all hardware addresses on my subnet.

Send a PA announcement telling everybody to boot up their
machines.

Write a script to send a single-packet ping to every machine.
Do arp -a.  You will see all the hw addresses.

>
>
> Thanks in advance
> /Mattias
>
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--

Jan Carlson
janc@iname.com   Scarborough, Ontario, Canada
Mailed with Netscape 4.5 on Red Hat Linux 5.2





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