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Date: Mon, 21 Jan 2008 16:46:14 +0000
From: Tom Judge <tom@tomjudge.com>
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To: "Bruce M. Simpson" <bms@FreeBSD.org>
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Cc: freebsd-net@freebsd.org, Enovation Technologies <gdakos@enovation.gr>
Subject: Re: help
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Bruce M. Simpson wrote:
> Enovation Technologies wrote:
>> i configure with sysinstall my second nic , but when i restart my box  
>> i have this message
>> arp: 10.200.1.1 is on re0 but got reply from 00:50:7f:b0:a0:f8 on re1
>>
>>
>> my question is how to configure  2 nics with different ip on same box  
>> in the same subnet.
>>   
> 
> Configure the second with a /32 prefix (netmask 255.255.255.255) instead 
> of the usual netmask.
> 
> You will always receive the arp warning unless you disable it by setting 
> sysctl
> net.link.ether.inet.log_arp_wrong_iface and 
> net.link.ether.inet.log_arp_movements to 0.
> 
> These limitations *may* go away in future releases.
> 

Surely this configuration will cause all the reply's to be routed out of 
re0 without some form of pfil layer manipulation?

Tom