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Date:      Mon, 13 Aug 2007 21:19:50 +0200
From:      Jon Otterholm <jon.otterholm@ide.resurscentrum.se>
To:        Chuck Swiger <cswiger@mac.com>,  freebsd-net@freebsd.org
Subject:   Re: proxy-arp
Message-ID:  <46C0AED6.6070406@ide.resurscentrum.se>
In-Reply-To: <8B0BAE02-4E6C-418C-AB7A-568B44B4CA41@mac.com>
References:  <46C06C02.5090908@ide.resurscentrum.se> <8B0BAE02-4E6C-418C-AB7A-568B44B4CA41@mac.com>

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Chuck Swiger wrote:
> On Aug 13, 2007, at 7:34 AM, Jon Otterholm wrote:
>> I have a problem with proxy-arp entries.
>>
>> If I add an arp-entry:
>>
>> arp -s $hostip $routermac permanent pub only
>>
>> the router sends an arp and replies to it's own arp like:
>>
>> 15:40:02.074419 arp who-has $hostip tell $hostip
>> 15:40:02.074663 arp reply $hostip is-at $routermac (oui Unknown)
>>
>> This is a problem because some clients interpret this as an 
>> ip-address conflict.
>
> Are you sure that your router is issuing the ARPOP_REQUESTS?
> Is the entry you've published already listed in "arp -a"?
Yes, the entry is already listed as an static arp with the "real" 
clients mac. The one I published earlier is intended for proxy only.

//Jon




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