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 From:  "Jason J. Ellingson" <jason at ellingson dot com>
 To:  <m0n0wall at lists dot m0n0 dot ch>
 Subject:  Something to change?
 Date:  Tue, 2 Nov 2004 12:24:34 -0600
Currently m0n0 puts an entry in the system log whenever it sees another NIC
using one of its IPs.

Well... since I have the LAN and DMZ on the same switch (I don't need a
LAN... I only need a filtered bridge... but PPTP/IPSEC comes out on LAN port
only) it puts in tons of these errors... It is just detecting itself... (LAN
port is seeing the DMZ NIC and WAN NIC - as DMZ and WAN are bridged)

m0n0 should check the "suspected" offending MAC address and make sure it
isn't the same as any of the MAC addresses on the other m0n0wall NICs.

dc0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
	inet 192.168.88.1 netmask 0xffffff00 broadcast 192.168.88.255
	ether 00:0c:41:1c:52:82
	media: Ethernet autoselect (100baseTX <full-duplex>)
	status: active
fxp0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
	inet 209.32.147.45 netmask 0xfffffff0 broadcast 209.32.147.47
	ether 00:50:8b:64:91:d0
	media: Ethernet autoselect (10baseT/UTP)
	status: active
fxp1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
	ether 00:50:8b:64:91:d1
	media: Ethernet autoselect (100baseTX <full-duplex>)
	status: active

Nov  2 04:46:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 04:46:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 05:05:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 05:05:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 05:12:04 vpn /kernel: arp: 00:50:8b:64:91:d0 is using my IP address
209.32.147.45!
Nov  2 05:12:04 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
209.32.147.45!
Nov  2 05:24:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 05:24:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 05:30:29 vpn /kernel: arp: 00:50:8b:64:91:d0 is using my IP address
209.32.147.45!
Nov  2 05:30:29 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
209.32.147.45!
Nov  2 05:43:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 05:43:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 06:02:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 06:02:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 06:21:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 06:21:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 06:40:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 06:40:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 06:59:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 06:59:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 07:12:03 vpn /kernel: arp: 00:50:8b:64:91:d0 is using my IP address
209.32.147.45!
Nov  2 07:12:03 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
209.32.147.45!
Nov  2 07:18:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 07:18:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 07:37:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 07:37:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 07:56:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 07:56:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 08:15:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 08:15:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 08:34:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 08:34:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 08:53:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 08:53:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 09:12:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 09:12:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 09:31:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 09:31:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 09:50:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 09:50:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 10:09:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 10:09:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 10:28:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 10:28:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 10:45:52 vpn /kernel: arp: 00:50:8b:64:91:d0 is using my IP address
209.32.147.45!
Nov  2 10:45:52 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
209.32.147.45!
Nov  2 10:47:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 10:47:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 11:06:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 11:06:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 11:25:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 11:25:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 11:44:24 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 11:44:24 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!
Nov  2 12:03:23 vpn /kernel: arp: 00:0c:41:1c:52:82 is using my IP address
192.168.88.1!
Nov  2 12:03:23 vpn /kernel: arp: 00:50:8b:64:91:d1 is using my IP address
192.168.88.1!

------------------------------------------------------------
Jason J Ellingson
Technical Consultant

615.301.1682 : nashville
612.605.1132 : minneapolis

www.ellingson.com
jason at ellingson dot com