Re: How do I manually set the MTU on a PPP Connection?

To: debian-user@lists.debian.org
Subject: Re: How do I manually set the MTU on a PPP Connection?
From: John Hasler <jhasler@debian.org>
Date: Sat, 07 Jan 2006 16:24:39 -0600
Message-id: <[🔎] 87bqyn3cd4.fsf@toncho.dhh.gt.org>
In-reply-to: <[🔎] 20060107215125.BDAE22E355@murphy.debian.org> (Tyson Varosyan's message of "Sat, 7 Jan 2006 13:51:14 -0800")
References: <[🔎] 20060107215125.BDAE22E355@murphy.debian.org>

Tyson Varosyan writes:
> ...when I dial-up using pppd or wvdial...

It isn't "pppd or wvdial".  Wvdial is a pppd configurator.

> Apparently every time a connection is made, the MTU is reset.

Edit /etc/ppp/options.  You should find a line reading '#mtu <n>'.
If the line reads 'mtu 0' you've found your problem (though I don't know
how it would have gotten changed).  In any case, make it 'mtu 1492'.

I suspect that your firewall script may be setting the mtu to 0, though.
-- 
John Hasler

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Follow-Ups:
- RE: How do I manually set the MTU on a PPP Connection?
  - From: "Tyson Varosyan" <tigran@tigran.com>

References:
- How do I manually set the MTU on a PPP Connection?
  - From: "Tyson Varosyan" <tigran@tigran.com>

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