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Dlink DGL-4300 has connection issue with Windows 2003 RRAS/VPN.

Posted on 2007-03-18
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Last Modified: 2010-08-05
Dlink DGL-4300 has connection issue with Windows 2003 RRAS/VPN.

1. Using Windows 2003 RRAS, allowing all PPTP connections.
2. Using AD in a Domain
3. Windows XP Pro client, already joined domain, uses Xp VPN Client
4. Connection works fine, no issues.
5. Upon disconnect, you cannot reconnect for 8-10 minutes.
6. Resetting the router before the above time (say immediately after a VPN disconnect) will allow you to reconnect instantly.
7. Ports are all setup correctly according to DLink Website.

This bug is reproduceable in two environments, both Windows 2003, XP Pro, DGL-4300, separate domains.
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Question by:supportservices
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Expert Comment

by:Rob Williams
ID: 18746096
Have you tried updating the firmware:
http://support.dlink.com/products/view.asp?productid=DGL%2D4300#faq
Not certain that a "Wireless Gaming Router" is the ideal router for a VPN/Server environment, but no reason it shouldn't work.
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Author Comment

by:supportservices
ID: 18757203
Yes I did try the latest firmware 1.7, still the same problem. I agree, not an ideal unit for VPN but why everything else works makes this problem annoying at best.
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Expert Comment

by:Rob Williams
ID: 18759069
Any chance you use any "trigger port range/protocols" that point to the server? If so I wonder if they could be "holding the door open". Perhaps try as a test disabling them if any. Normally just for a VPN these would not be enabled, you would only use the virtual server options..
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Author Comment

by:supportservices
ID: 18960325
I have sent this comment to DLink and they have confirmed it is a bug. Bummer.
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Expert Comment

by:Rob Williams
ID: 18961494
Do they plan to resolve with a firmware update ?
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by:supportservices
ID: 18976864
That is what the top level tech said, and shortly afterward firmware 1.8 came out. Well it was just strange timing, the firmware does not address the issue or resolve anything VPN (doesn't claim to either). So perhaps in 3-6 months firmware 1.9 will fix the VPN issue i am having.
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Rob Williams earned 500 total points
ID: 18981085
That is too bad. Actually I have noticed there are quite a few problems with VPN's and different models of D-Link. Maybe not a priority for them.
Good luck with it.
--Rob
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by:Rob Williams
ID: 19103738
Thanks supportservices.
Cheers !
--Rob
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