pptp problem (connection drop) (SOLVED)

infestdead · 2009-03-05 22:13:18

I have this strange problem:
I need to connect to a vpn using pptp, everything is set up perfectly - /etc/ppp/chap-secrets, /etc/ppp/peers/whatever /etc/ppp/options.
And when I connect (using pon whatever) - it works fine.
Then I ssh to where I need to ssh and it works fine too, but when I "ls -l" I get two-three rows of output and then - the connection freezes - I tried waiting for 30 minutes - nothing.
I have the same setup - same config files, same options - same everything under gentoo - and there I can ssh, ls -l, dmesg whatever and it works fine.
This is driving me crazy. What could be the problem?
I tried the same setup under Ubuntu 8.10 - same problem there - "ls -l" - few rows of output and the connection freezes...
I'm currently ssh-ing to my gentoo machine every time I need to use that VPN, but that's no solution.
Any suggestions welcome.

Last edited by infestdead (2009-03-06 08:54:40)

infestdead · 2009-03-06 08:54:25

Solved.
It seems the problem was in the router (some stupid belkin wireless crap), and the gentoo worked because it IS a router, something to do with MTU, icmp pings and stuff.

http://pptpclient.sourceforge.net/howto … ons_freeze more here

the quick fix (at least for me) is - ifconfig ppp0 mtu 1400 (or lower) after the connection is established.

Arch Linux

#1 2009-03-05 22:13:18

pptp problem (connection drop) (SOLVED)

#2 2009-03-06 08:54:25

Re: pptp problem (connection drop) (SOLVED)

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