Date: Mon, 13 Jan 2003 11:15:48 -0600 (CST) From: Scott Pilz <tech@tznet.com> To: freebsd-questions@freebsd.org, <freebsd-security@freebsd.org> Subject: MPD/VPN Message-ID: <20030113111532.X61841-100000@mail.tznet.com>
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I'm open to suggestions on this one. I have tried everything :(
I'm hoping that someone else ran into this problem and knows how to fix
it.
MPD/FREEBSD as a VPN server.
Multiple clients (windows and unix).
Windows 98: Works great, connects, tiny performance drop in speed, hardly
noticeable.
Windows 2000: Works just as well as Windows 98 if not better.
Windows XP: I can connect, ping through the VPN, even load tiny web pages
and telnet out - but anything large stalls completely.
I've tried multiple XP machines, they all do the same thing.
It is my understanding that this is a MTU issue - but I find it very hard
to believe that Microsoft products need configuration before they work,
such as a MTU change.
Heres mpd.conf for what it's worth (I've excluded the clients):
client_standard:
set iface disable on-demand
set iface enable proxy-arp
set iface idle 86400
set bundle disable multilink
set link yes acfcomp protocomp
set link disable pap
set link enable chap
set link keep-alive 10 60
set ipcp yes vjcomp
set ipcp dns 66.170.64.1 66.170.64.13
set bundle enable compression
set bundle enable crypt-reqd
set ccp yes mppc
set ccp yes mpp-e40
set ccp yes mpp-e128
set ccp yes mpp-stateless
One other thing - I notice that the two clients that do work (any
Windows 98 or 2000 box) has a MTU of 1496 on the server:
ng0: flags=88d1<UP,POINTOPOINT,RUNNING,NOARP,SIMPLEX,MULTICAST> mtu 1496
The ones that don't vary but are NOT 1496.
Any input would be helpful at this point.
<bangs head into desk>
Scott
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