Subject: Re: Patch for timiting TCP MSS (i.e. for new PPPoE)
To: Rick Byers <email@example.com>
From: None <firstname.lastname@example.org>
Date: 12/03/2001 11:34:49
In message <Pine.NEB.4.33.0112031151580.4384-100000@Apenheul.BigScaryChildren.n
et>Rick Byers writes
>On Mon, 3 Dec 2001, Martin Husemann wrote:
>> Which still means you have to do it for each and every machine behind a
>> pppoe router. It's hard to cope from our understanding of standards
>> conformance, but we *realy* need a MSS clamping option for routers!
>I definantly agree. Mike Pelley <email@example.com>, is implementing
>in-kernel MSS clamping. Anyone know if other OSes handle this directly in
>the TCP stack? Since the problem applies to more than just PPPoE
>connenctions, and more than just ipnat setups - it makes sense to me to
>upport MSS clamping in the TCP stack directly. However, I'm not aware of
>any other OS that does this.
Argh, shouldn't a hack like this go into the IPF stuff, alongside
NAT and the rest of that? It seems kind of ugly to put this into
the forwarding engine, when, last I checked, it just forwarded
packets and didn't otherwise molest them?