Re: Two Ethernet cards in one machine on same IP network

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From
Russ Panula <zeeb@digitaladvantage.net>
Date
14 Aug 1996 13:09:56
Subject
Re: Two Ethernet cards in one machine on same IP network
Message-ID
32123f8b.6333998@mail.digitaladvantage.net

In reply to
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On Wed, 14 Aug 1996, Michael Ryan <mike@NetworX.ie> wrote:

>I've a system (FreeBSD 2.1R) with two NICs: WD8013 and NE2000.
>I want to plug both of them into the same IP network,
>on the same cable.
>
Interesting concept.. I still can't figure out why you'd want to do
this though. ;-)

>I ifconfig the WD8013 (ed0) first, and it goes fine.
>When I ifconfig the NE2000 (ed1), I get an error message
>as follows.
>
># cat /etc/hosts
>194.9.12.7 h1
>194.9.12.8 h2
># ifconfig ed0 inet h1
># ifconfig ed1 inet h2
>ifconfig: ioctl (SIOCAIFADDR): File exists
>
>When I then do "ifconfig ed1" the parameters (IP address,
>netmask and broadcast address) are fine, but I can't ping
>the IP address (h2), even from the machine itself. The
>routing table shows that the address (194.9.12.8) is reached
>via link#1 -- which is sort of correct, as that's the
>interface to the 194.9.12.0 network, but that's not what
>I expected (link#1 == ed0).
>
>Any ideas?
>
Just as a guess, I think it may be hung up on the broadcast address..
But I can't for the life of me give a good reason why.

>
>Thanks,
>Mike
><mike@NetworX.ie>
>---
>

Russ


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