I have setup a PPTP VPN on an Astaro 220 (v7.005). It works fine for all apart from those using high-latency connections eg mobile 3G.
It connects and authenticates, can ping websites but can't browse the web and the connection between Outlook and Exchange is very slow - unusable really.
The following log shows what happens when I connect via 3G and try and open a couple of web pages etc. VPN used to work fine over 3G on our old firewall.
Any ideas anyone?!
Here is an extract from the log - I think this is where the problem is.
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2007:09:23-17:20:00 (none) pptpd[12334]: GRE: buffering packet #113 (expecting #115, lost or reordered)
2007:09:23-17:20:00 (none) pptpd[23847]: CTRL: Received PPTP Control Message (type: 5)
2007:09:23-17:20:00 (none) pptpd[23847]: CTRL: Made a ECHO RPLY packet
2007:09:23-17:20:00 (none) pptpd[23847]: CTRL: I wrote 20 bytes to the client.
2007:09:23-17:20:00 (none) pptpd[23847]: CTRL: Sent packet to client
2007:09:23-17:20:00 (none) pptpd[12334]: GRE: timeout waiting for -10 packets
2007:09:23-17:20:00 (none) pptpd[12334]: GRE: accepting #113 from queue
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