From owner-freebsd-questions  Thu May 18 10:36: 3 2000
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From: "Travis Leuthauser" <travis@winconx.com>
To: <freebsd-questions@freebsd.org>
Subject: Multiple NIC's
Date: Thu, 18 May 2000 12:35:34 -0500
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I am running 3.1 Stable.  I am trying to add a 2nd NIC in my news server.  I
have a 3com (xl0) currently in it with the following configuration:

xl0:
    IP:    xxx.xxx.xxx.12 netmask 255.255.255.128
    alias: xxx.xxx.xxx.14 netmask 255.255.255.255
both IP's are in the same subnet.

I want to add a second 3com NIC (xl1) with the .14 address, thus making my
configuration:

xl0    xxx.xxx.xxx.12 netmask 255.255.255.128
xl1    xxx.xxx.xxx.14 netmask 255.255.255.128

Both of these will be plugged into a 100Mbit hub for the next week or so
until I get a Catalyst in place.

Now, for the problem, when I add the second NIC and change my configuration
to match the above, I begin getting arp messages such as

/kernel: arp:  xxx.xxx.xxx.12 is on lo0 but got reply from (MAC address of
xl0) on xl1
/kernel: arp:  xxx.xxx.xxx.32 is on xl0 but got reply from
(MAC address of win. 98 box @ .32) on xl1

Should I configure the second NIC with a /32 subnet add just add an explicit
route?

Thanks,
    Travis



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