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 From:  Manuel Kasper <mk at neon1 dot net>
 To:  Michael Hall <mhall at riverside dot org>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] MTU problem (PPPoE ADSL)
 Date:  Tue, 28 Oct 2003 20:31:36 +0100 
On 28.10.2003, at 19:45, Michael Hall wrote:

> something as I don't think that should be necessary. The old firewall
> (FreeBSD/ipfilter) using the standard userland PPPoE setup, the MTU,

FreeBSD userland ppp does MSS clamping by default. MPD can't do it, so 
we have to resort to using ipnat's mssclamp feature. Which of course 
implies that you use NAT. If you don't, well... Maybe we/you could add 
some kind of "null" NAT rule just to get the MSS clamping effect.

- Manuel