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Date: Sun, 18 May 2014 12:09:21 +0800
From: Julian Elischer <julian@freebsd.org>
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To: Michael Sierchio <kudzu@tenebras.com>,
 "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>
Subject: Re: arp strangeness?
References: <73317.1400369417@server1.tristatelogic.com>
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On 5/18/14, 7:32 AM, Michael Sierchio wrote:
> On Sat, May 17, 2014 at 4:30 PM, Ronald F. Guilmette <rfg@tristatelogic.com>
> wrote:
>
>> May 16 23:05:33 segfault kernel: arp: 69.62.255.254 moved from
> 00:1e:13:22:eb:51 to 00:00:0e:07:ac:00 on rl0
>> May 16 23:05:33 segfault kernel: arp: 69.62.255.254 moved from
> 00:00:0e:07:ac:00 to 00:1e:13:22:eb:51 on rl0
>> May 16 23:25:29 segfault kernel: arp: 69.62.255.254 moved from
> 00:1e:13:22:eb:51 to 00:00:0e:07:ac:00 on rl0
>> May 16 23:25:29 segfault kernel: arp: 69.62.255.254 moved from
> 00:00:0e:07:ac:00 to 00:1e:13:22:eb:51 on rl0
>
> Yeah, the router address may be a synthetic address shared by multiple
> physical interfaces, or
> it may be fictional and handled via multiple interfaces/routers/etc. in
> your ISPs fabric running some HA
> routing (via OSPF for example).

but check with your ISP that your information is current.
It may be that you should be using another address and this one is 
just working by accident.
>
> It's normal.
>
> - M
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