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Date:      Thu, 25 Jan 1996 12:17:08 -0800 (PST)
From:      Archie Cobbs <archie@tribe.com>
To:        daniel@icon.pp.se (Daniel Eriksson)
Cc:        freebsd-questions@FreeBSD.org
Subject:   Re: Setting MTU on tun0, possible?
Message-ID:  <199601252017.MAA02782@bubba.tribe.com>
In-Reply-To: <199601241956.UAA00351@icon.pp.se> from "Daniel Eriksson" at Jan 24, 96 08:56:21 pm

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> I'm having problems trying to send stuff over my dialup PPP-link. To
> me this indicates that my MTU might be too big and that my provider
> chokes on the incoming packets. Is it possible to change the default
> MTU-value (1500) for tun0? How? I've RTFM without finding any info
> about it. Ifconfig doesn't like to play with MTU on tun0...

Yes it is possible, you need to redefine TUNMTU in the file
/usr/src/sys/net/if_tun.h and recompile your kernel. Right now
it's set to 1500. This *should* work. :-)

-Archie

_______________________________________________________________________________
Archie L. Cobbs, archie@tribe.com  *  Tribe Computer Works http://www.tribe.com



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