Re: [netfilter-core] iptables redirect is broken on bridged setup

[Patrick McHardy <kaber@trash.net>]

Denis Vlasenko wrote:
> Linux 2.6.12
>
> Was running for months with this simple iptables rule:
>
> iptables -t nat -A PREROUTING -s 172.17.6.44 -d 172.16.42.201 -p tcp --dport 9100 -j REDIRECT --to 9123
>
> Chain PREROUTING (policy ACCEPT 0 packets, 0 bytes)
>        0        0 REDIRECT   tcp  --  *      *       172.17.6.44          172.16.42.201      tcp dpt:9100 redir ports 9123
>
> But now I need to bridge together two eth cards in this machine, and
> suddenly redirect is no longer works.

This doesn't look related to the nf_reset problem since it happens
in PREROUTING and only the output hooks are defered. I suspect a
configuration error, when there is no IP configured on a device
the REDIRECT target can't be used.
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