[pptp-server] Windows 2000 to poptop VPN, question.

[Jamin Collins]

Matthew Gavin [mailto:mattgav at bigpond.net.au] wrote:
> Hi, I have a poptop server on:
> 
> Flavour: Redhat 7.1
> Poptop: pptpd-1.0.1-1
> PPP: ppp-2.4.0-3mpp
> Kernel: 2.4.2-3 #1 SMP
> 
> The Poptop VPN works perfectly with Win 98 and Win NT4, but 
> when I connect with a Windows 2000 client, I can't seem to 
> ping my internal LAN (10.x.x.x)... I have an ADSL connection 
> to the Internet. It worked fine when I was on Win 98. This 
> is what /var/log/messages on the Poptop server shows:
> 
> CTRL: Client 144.x.x.x control connection started
> CTRL: Starting call (launching pppd, opening GRE)
> pppd 2.4.0 started by root, uid 0
> Using interface ppp0
> Connect: ppp0 <--> /dev/pts/2
> GRE: Discarding duplicate packet
> CTRL: Ignored a SET LINK INFO packet with real ACCMs!
> MSCHAP-v2 peer authentication succeeded for username
> found interface eth0 for proxy arp
> local  IP address 203.x.x.x
> remote IP address 203.x.x.x
> MPPE 128 bit, stateless compression enabled
> 
> Once connected, I want to be able to telnet to hosts and bring up my
> Intranet page and so on and so on... but look at this:
> 
> C:\>ping 10.x.x.x
> 
> Pinging 10.x.x.x with 32 bytes of data:
> 
> Request timed out.
> Request timed out.
> Request timed out.
> Request timed out.
> 
> C:\>nslookup
> DNS request timed out.
>     timeout was 2 seconds.
> *** Can't find server name for address 10.x.x.x: Timed out
> 
> Any ideas will be greatly appreciated, the FAQ at 
> poptop.lineo.com is very vague.

Is the 2000 system by any chance part of a local network on it's end?  If
so, are you by any chance using the same IP ranges for both LANs?

Jamin W. Collins