Re: NAT and MTU issues

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On Mon, 22 Sep 2003, Nigel Metheringham wrote:

> Took a closer look.
> If I put that mangle rule in then:-
>       * I see no ICMP packets on the wire between the originating box
>         and the linux g/w (tested in 2 places to make sure I don't have
>         any packet sniffing/netfilter interactions).  Previously I saw
>         ICMP need frag packets as quoted above
>       * those icmp_reply log messages appear to fire on each and every
>         packet
>
>    icmp_reply: outer SRC -> 192.168.50.119
>    icmp_reply: inner DST -> 192.168.50.119 1500

Uhm, let me see if I got this right...

If you add that mangle rule you don't see any icmp packets on the wire but
you see the icmp_reply messages?

Or do you see those messages when you don't have the rule and thus see the
icmp packets?

/Martin


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