I'm having problems connecting using 10.04 Netbook Remix on my Lenovo IdeaPad S10. My Win 7 desktop has no problems, just the netbook. I've tried wifi and ethernet connections with no success.
I've tried all kinds of options in the GUI config, and done every suggestion I could find on Google. I started messing with the command line version but it doesn't seem much different.
root@netbook:/var/log#pon ipredator nodetach debug
using channel 18
Using interface ppp0
Connect: ppp0 <--> /dev/pts/1
send [LCP ConfReq id-0x1 <asyncmap 0x0> <magic 0xfb20b5c8> <pcomp> <accomp>]
--- above line prints 10 times ---
LCP: timeout sending Config-Requests
Update June 27, 2010:
Contents of /etc/ppp/peers/ipredator:
pty "pptp vpn.ipredator.se --nolaunchpppd"
I tried installing Ubuntu desktop instead of netbook edition. No difference. Next I bypassed the router and connected the computer directly to the DSL modem... and it worked. The thing is my Windows 7 computers CAN connect without a problem through the router. I know some other people have had problems with certain routers as well. If Windows can do it and Ubuntu can't, I suspect that there is some problem or limitation with Ubuntu preventing this from working.