I'm trying to set up basic load distribution using the following:
iptables -t nat -A OUTPUT -d $addr -p udp --dport 53 -m
statistic --mode nth --every 2 --packet 0 -j DNAT --to $fe1
iptables -t nat -A OUTPUT -d $addr -p udp --dport 53 -m
statistic --mode nth --every 2 --packet 1 -j DNAT --to $fe2
(I know I can achieve pretty much the same using "options rotate"
in resolv.conf, but humour me).
I'm testing the setup with a simple "dig <host>", and it seems
to be working, except that I get a hang ("no servers could be
reached") on every 4th query. It is a consistently reproducable
behaviour.
I'm using iptables 4.0 and kernel 2.6.24.3. Can anyone spot
anything I've missed?
thanks
Per Jessen, Zürich
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