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From: Matt Ayres <matta@tektonic.net>
To: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
Cc: xen-devel@lists.xensource.com
Subject: Re: ARP cache problems / slow connect times in routed mode - Bug #596 opened
Date: Sat, 01 Apr 2006 14:43:13 -0500	[thread overview]
Message-ID: <442ED7D1.8010001@tektonic.net> (raw)
In-Reply-To: <4e4b5757e10e41d8391f21bd6095bd91@cl.cam.ac.uk>



Keir Fraser wrote:

> 
>> The other oddity is why does having the /24 statically routed along 
>> with the /18 cause any IP on the internet to be added to the ARP 
>> cache?  That part right there is what is most confusing to myself.
> 
> Agreed, that doesn't seem to make any sense!
> 
>  -- Keir

I figured it out.  Proxy ARP is _very_ touchy when it comes to subnets. 
  Since the netmask is a /32 subnet on the host vif the route works if 
added as 169.254.1.1/32 on the guest (versus a /24).  This allows RedHat 
to do what they want and I need not worry if a user turns of zeroconf 
support on their own now.

Thanks,
Matt

      reply	other threads:[~2006-04-01 19:43 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-31 20:49 ARP cache problems / slow connect times in routed mode - Bug #596 opened Matt Ayres
2006-04-01 16:05 ` Matt Ayres
2006-04-01 16:56   ` Keir Fraser
2006-04-01 17:12     ` Matt Ayres
2006-04-01 17:32       ` Keir Fraser
2006-04-01 19:43         ` Matt Ayres [this message]

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