Date: Thu, 17 Jul 2003 18:41:16 +0200 From: Yann Nottara <yann.nottara@almonde.com> To: freebsd-net@freebsd.org Subject: Re: MPD 3.13 PPTP server MTU problems & questions Message-ID: <3F16D1AC.8070802@almonde.com> In-Reply-To: <20030717060346.GB22535@otdel1.org> References: <3F159A8C.9050204@almonde.com> <20030717060346.GB22535@otdel1.org>
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Nikolai SAOUKH wrote:
> | As you'll see in the logs below and from ifconfig output, altough the
> | ngX interfaces MTU is set to 1460 with "set link mtu 1460", it stays at
> | 1500. Any idea why ?
>
> The asked mtu size will be available (set) only when interface is in UP
> state. When the ngX is in down state it has default values.
Thanks for your help.
Zs you can see in the following real world example, ng0 (which IS up)
MTU stays at 1500 although it's configured to be at 1460 in the mpd.conf
configuration file :
ng0: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
inet6 fe80::2b0:d0ff:fee1:4874%ng0 prefixlen 64 scopeid 0x7
ng1: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
ng2: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
ng3: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
...
Any idea ?
--Yann
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