Hi, On Thu, Aug 13, 2009 at 06:08:36PM -0500, Graham Wooden wrote: > I know - the whole thing is bizarre. I was able to get access to that > remote C2621, and noticed that ip proxy-arp was disabled. I enabled to to > match my interface on the 6500. It's been up for close to an hour now with > no issues (hopefully I just didn't jinx myself).
"ip proxy-arp" should be always disabled, unless you specifically know that
you need it.
For a normal point-to-point link between routers, you'll never need it.
(Having proxy-arp on-by-default is one of the major design errors that
Cisco did - it's seen as a "convenience", because it "makes things works"
that would break otherwise. In reality, all it does is "it hides problems",
because mis-configured systems still work - until the point where they no
longer work, and then it's much harder to find where the brokenness is)
To me, this sounds a bit as if the *Radio* is answering the ARP requests
on its own, for some sort of "management interface" or so.
gert
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