MPD and ADSL pptp line problems

Jamie Heckford jamie at
Mon Oct 11 04:34:56 PDT 2004

I had a problem once with a certain provider using MPD for VPN over ADSL
connections, have you tried experimenting with the MTU on your adapter? 

-----Original Message-----
From: owner-freebsd-questions at
[mailto:owner-freebsd-questions at] On Behalf Of Arjan Knepper
Sent: 11 October 2004 10:31
To: freebsd-questions at
Subject: MPD and ADSL pptp line problems


We 're using FreeBSD-4.10 with mpd-3.18 to connect to our ISP through a
Alcatel speed touch home ISDN-ethernet modem.
 From time to time the connection becomes verry slow and ping -f shows
packet losses up to 90 %.
To recover form the losses, power cycling the modem OR stopping &
restarting mpd OR waiting for minutes to hours solves the packet losses.

Any ideas what might cause this? And how to solve this?

The Alcatel Modem firmware is up-to-date.
There is absolute no problem between de modem and the FreeBSD-box.

Any help/suggestions would be appreciated.


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