Relay agents, NAT, and offers to giaddr
adekok at infoblox.com
Fri Sep 15 21:10:36 UTC 2006
Simon Hobson wrote:
> It doesn't deal with the client renewing though. That would need
> significant rewriting of the server to handle renewal requests that
> come from a different IP address to the lease being renewed. IFF you
> think you can write a workable method for dealing with it, then the
> way to address it is through the standards bodies - good luck !
Maybe I'm crazy, but my tests with ISC & a hacked-up test client
indicate that so long as giaddr is set, that's where the reply goes.
I've successfully had it renew leases for IP address X that were unicast
from IP Y (i.e. giaddr).
> The complications are significant. I personally do not believe that
> the effort involved would be worth it since there are always
> alternatives. In any case, this is only the second or third time in a
> good few years that I can recall the question being asked - hardly a
> mass request !
Yeah, I was just playing Devil's advocate...
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