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Date: Tue, 29 Sep 1998 14:37:50 -0700
To: freebsd-questions@FreeBSD.ORG
From: Eric Hake <eric@clean.net>
Subject: multi-homed server
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Greetings!

I'm getting the following message upon boot up in the multi-homed machine...

  arp: 00:a0:c9:2c:aa:5c is using my IP address 10.10.138.224!

I'm trying to set up a machine with two network interfaces -- I got them
both to be recoginzed, and I configured my /etc/rc.conf as follows:

  network_interfaces="fxp1 fxp0 lo0"      # List of network interfaces 
  ifconfig_fxp1="inet 10.10.138.224  netmask 255.255.255.192"
  ifconfig_fxp0="inet 10.10.138.225  netmask 255.255.255.192"
  ifconfig_lo0="inet 127.0.0.1"   # default loopback device configuration.

My ifconfig statements return:

  fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 10.10.138.225 netmask 0xffffffc0 broadcast 10.10.138.255
        ether 00:a0:c9:2c:aa:5c
        media: autoselect
        supported media: autoselect 100baseTX <full-duplex> 
          100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP 

and...

  fxp1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 10.10.138.224 netmask 0xffffffc0 broadcast 10.10.138.255
        ether 00:a0:c9:d1:e3:cc
        media: autoselect
        supported media: autoselect 100baseTX <full-duplex> 100baseTX 
          10baseT/UTP <full-duplex> 10baseT/UTP

Here's what I get with a "netstat -rn"

Routing tables

Internet:
Destination        Gateway            Flags     Refs     Use     Netif Expire
default            10.10.138.193      UGSc        4        0      fxp0
127.0.0.1          127.0.0.1          UH          0        0       lo0
10.10.138.192/26   link#2             UC          0        0
10.10.138.224      0:a0:c9:d1:e3:cc   UHLW        0       22       lo0    


Am I missing something?  Why is the IP address 10.10.138.224 getting
snagged by the fxp0? How do I block that?

NOTE: IP & MAC addresses have been changed to protect the innocent


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