[pptp-server] Poptop works...almost.

Andy Ennamorato ajennamo at uncc.edu
Sun Mar 11 14:40:08 CST 2001


After messaging the list last week and getting some great ideas (thanks to
all), I got poptop semi working. However, I'm still having a major
problem.

Here's my setup: Win98 box->hub->linux(eth1). 
                                 linux(eth0)->ppp0->ADSL (bellsouth).

the linux box acts as a firewall/gateway. eth1 and the win98 box are setup
on the 192.168.x.x network. if i disconnect the ADSL, and attempt to
connect to poptop on eth1/192.168.0.1, i get in fine. i get assigned a
10.0.x.x IP, and the pptp server gets 10.x.x.x assigned to ppp0. (I've got
the 10.x.x.x network specified in pptpd.conf). so i've essentially got a
dummy vpn working. i can telnet to the linux box on 10.0.69.1, etc. (no
network neighborhood yet, but that's another story).

however, as soon as i sign on to ADSL w/ eth0 and ppp0 connecting to ADSL,
i can't connect to poptop (which would be using ppp1 now). i get an error
along the lines of "remote client not authorized to use the specified
address" in the pptpd.log file, and the win98 client says it
authenticates/connects, but immediately disconnects. does anyone have a
poptop vpn working with ADSL (specifically pppoe)? i'm missing something
that allows poptop to work on ppp1/ppp2/ppp3/etc - anyone have an idea?

i can post my config files if needed...but when i contacted the list last
week or so, most people said those look fine. and the fact that it works
w/ ADSL not working seems to reinforce that fact.

any help much appreciated...

Andy
ajennamo at uncc.edu






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