I'd take a look at the Logs generated, and determine what MTU it's trying to
use.  Dialup obviously uses a smaller MTU than Broadband, but PPTP uses 1396
(I think, by default).  It's entirely possible that XP is trying to force a
high MTU, which could cause significant fragmentation.

Just an idea...

GN

-----Original Message-----
From: Ping Kwong [mailto:kwongp at midtown dot net] 
Sent: Tuesday, October 21, 2003 11:30 PM
To: 'Greg Sims'; m0n0wall at lists dot m0n0 dot ch
Subject: RE: [m0n0wall] IPSEC from Dial-Up

This is the EXACT same problem I asked twice about without much help.  I
did get it to work through another broadband connection without any
packet loss.  I don't know why but the dial-up connection doesn't seem
to work right for me.

-----Original Message-----
From: Greg Sims [mailto:greg underscore sims at earthlink dot net] 
Sent: Tuesday, October 21, 2003 8:14 PM
To: Magne Andreassen; m0n0wall at lists dot m0n0 dot ch
Subject: RE: [m0n0wall] IPSEC from Dial-Up

I gave your setup a try this evening.  Here's what I did:

On m0n0wall
	lan address range 192.168.0.1/24
	wan address 123.456.789.1 -- this is not a real ip
	enable PPTP server is selected
	server address: 192.168.0.127
	remote address range: 192.168.0.128/28
	RADIUS Server is Not selected
	128 bit encryption is Not selected
	Added One UserID and One Password
	All other fields on PPTP are default values (mostly blank)
	Added the following firewall rule
		proto=*, source=PPTP Clients, Port=*, Destination=*,
Port=*, Frag=null


On WinXP
	created a PPTP Connection
	uses my Dial-Up ISP for Internet Connection
	target address is 123.456.789.1 (wan address of m0n0wall)

I was able to establish a connection with this setup but the performance
is
very slow. I first tried to browse a web page inside the network but the
browser timed out.  I then tried to ping some of the addresses on the
LAN
side of the m0n0wall (192.168.0.xx).  These pings resulted in timeouts
50%
of the time.  I also looked at the load averages on the system status
page
of m0n0wall and they were all very low.  This seems to indicate I don't
have
a hardware resource problem (cpu, memory, ...).

I hope someone can spot a configuration error of some sort as the PPTP
interface seems to be just what I'm looking for.  If I can just get past
this performance issue ...

Any help would be appreciated!  Greg




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