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Date:      Sat, 9 Dec 2000 18:44:09 -0500
From:      "Patrick Bihan-Faou" <patrick@netzuno.com>
To:        "Brian Somers" <brian@Awfulhak.org>
Cc:        <freebsd-net@freebsd.org>
Subject:   RE: Problem with PPP, tcpmssd and routing socket messages 
Message-ID:  <POEDLEGGIEKJJIOGHEJNOEKGCDAA.patrick@netzuno.com>
In-Reply-To: <200012092049.eB9KnQl54447@hak.lan.Awfulhak.org>

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Hi Brian,


> > The funny thing is that if I do a ifconfig tun0 mtu 1333, I see
> the proper
> > RTM_IFINFO messages...
>
> ppp sets the interface mtu using TUNSIFINFO rather than SIOCSIFMTU.
> See src/usr.sbin/ppp/tun.c.
>

OK now I see it... This seems to be the culprit. I guess that this ioctl as
well as possibly TUNSIFMODE should generate the proper routing socket
messages (RTM_IFINFO). Do you want me to do that and send you a patch, or do
you want to handle it yourself ?


Patrick.



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