[pptp-server] frequent ppp disconnects

[Jeff Shanholtz]

My vpn client is frequently disconnecting. It can happen as often as
every few minutes, but usually it takes more like 15 or 20 minutes. Once
I was able to stay connected for 3-4 hours before the disconnection, but
that is the only time I've been able to maintain a relatively long
connection. I'm using 1.1.2 and pppd 2.4.1 on RH 7.1. I haven't
installed any of the patches. Other than the frequent disconnects,
networking works great. How does one track down such a problem? Does
anyone know the solution? Does anyone think it would (or wouldn't) be
worth going back to the "stable" build of poptop?
 
Here's a few lines from /var/log/messages:
 
Oct 24 14:10:20 shane pptpd[6771]: Buffering out-of-order packet; got
67888 after 67885
Oct 24 14:10:20 shane pptpd[6771]: Buffering out-of-order packet; got
67889 after 67885
Oct 24 14:10:20 shane pptpd[6771]: Buffering out-of-order packet; got
67890 after 67885
Oct 24 14:10:20 shane pptpd[6771]: Gave up waiting for 2 lost packets
beginning with 67886
Oct 24 14:10:52 shane pppd[6772]: No response to 3 echo-requests
Oct 24 14:10:52 shane pppd[6772]: Serial link appears to be
disconnected.
Oct 24 14:10:58 shane pppd[6772]: Connection terminated.
 
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