proxy-arp

Jon Otterholm jon.otterholm at ide.resurscentrum.se
Mon Aug 13 12:19:24 PDT 2007


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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