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RE: Linux ARP bridging issues

> -----Original Message-----
> From: Ross Halliday
> Sent: Tuesday, August 31, 2010 11:48 AM
> To: 'debian-isp@lists.debian.org'
> Subject: Linux ARP bridging issues
> Up until sometime last week this thing ran absolutely fine. Now, all
> a sudden, ARP replies are not always being bridged back. I can see all
> the requests flowing out, and I can see the replies coming back into
> br0 but not appearing on tap0. Very rarely I've seen a reply make it
> through, sometimes after 10 seconds of ARP requests, sometimes after
> minutes, sometimes not even after half an hour.

After more testing I have determined this is not actually the case - ARP
requests coming in (either destined for the client or coincidentally
from the destination the client is trying to reach) is passing fine. It
does not appear that the bridge is forwarding any ARP replies to tap0 at

Ross Halliday
Network Operations
WTC Communications

Office: 613-547-6939 x203
Helpdesk: 866-547-6939 option 2

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