DHCP server failover behind relay
stenc at s-carlsen.dk
Thu Sep 6 20:41:19 UTC 2012
On 06/09/12 22:12, Vadym Abramchuk wrote:
> 2012/9/6 Glenn Satchell <glenn.satchell at uniq.com.au
> <mailto:glenn.satchell at uniq.com.au>>
> That's pretty dumb, but I guess you have to live with it. Saw the
> reply - 40 subnets is too many to provision 40 relay systems, so
> that idea.
> So that leaves the iptables -j TEE solution. That looks like it
> would be ok.
> Not ideal, but satisfactory.
> My guess is the next network equipment refresh won't include those
> switches :)
> Just tried -j TEE and got the local loop with two servers copying
> packets to each other :(.
> Any idea on how to avoid this? TTL check looks weird.
You could possibly insert a check for sender address(=other server)
before that rule and accept the packet before retransmitting to the
> Vadym Abramchuk
> dhcp-users mailing list
> dhcp-users at lists.isc.org
No improvements come from shouting:
"MALE BOVINE MANURE!!!"
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