Date: Tue, 5 Nov 2002 10:06:39 +0500 From: "Dmitry A. Bondareff" <freebsd@mmk.ru> To: "Archie Cobbs" <archie@dellroad.org>, "Johan Larsson" <johan.larsson@operax.com> Cc: "freebsd-net@FreeBSD.org" <freebsd-net@FreeBSD.ORG> Subject: Re: Win XP with mpd Message-ID: <00de01c28489$20ebb760$02010101@wall> References: <200211041904.gA4J41fp034476@arch20m.dellroad.org>
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I'll trying to setup mtu to 1400, why I don't see it by ifconfig command ?
From mpd.conf:
....
set link mru 1400
set link mtu 1400
....
#mpd -b
#ifconfig -a:
ng0: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
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
ng4: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
After connecting:
#ifconfig -a:
ng0: flags=88d1<UP,POINTOPOINT,RUNNING,NOARP,SIMPLEX,MULTICAST> mtu 1500
inet 1.1.1.1 --> 10.0.2.1 netmask 0xffffffff
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
ng4: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
After disconnected:
#ifconfig -a:
ng0: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1496
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
ng4: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
----- Original Message -----
From: "Archie Cobbs" <archie@dellroad.org>
To: "Johan Larsson" <johan.larsson@operax.com>
Cc: "Archie Cobbs" <archie@dellroad.org>; "Dmitry A. Bondareff"
<freebsd@mmk.ru>; "freebsd-net@FreeBSD.org" <freebsd-net@FreeBSD.ORG>
Sent: Tuesday, November 05, 2002 12:04 AM
Subject: Re: Win XP with mpd
> Johan Larsson writes:
> > > > For a long time many peoples discussed why Win XP don't work with
mpd.
> > > > May be you can help us ??
> > > > Where I can find working configs ??
> > >
> > > I've heard of some MTU problems, some of which mpd-3.10 should
address.
> >
> > It might be MTU problems. But the problem occurs for example when i ping
> > the server from the windows xp machine, some pings get lost, some times
> > you must issue the ping command a few times, or run it with -t for a
while
> > to see them get lost. mpd-3.10 does not solve this problem
unfortunately.
>
> Try playing with the "set link mtu" and/or "set iface mtu" commands
> to manually set the MTU values.
>
> > I might be able to fix some dumps (from ethereal) under windows xp if
you
> > want it. And of course, these pings getting lost is just an easy way of
> > seeing the problem, you also get poor performance obviously.
>
> If you can tell where the packets are being dropped, that would be useful
> to know.
>
> -Archie
>
> __________________________________________________________________________
> Archie Cobbs * Packet Design * http://www.packetdesign.com
>
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