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Cannot access any resources over VPN accept Router

Posted on 2013-02-05
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Last Modified: 2013-02-21
I have created a VPN between a Sonicwall NSA 240 and a Draytek Vigo 2830

The LAN network IP for the Sonicwall is 192.168.58.0/24
The LAN network Ip for the Draytek is 192.168.56.0/24

From PCs on the Sonicwall LAN I can access the Draytek router's web page (192.168.56.1)
But cannot access any servers/workstations on the LAN.

The server has it's firewalls turned off.
Any suggestions on what the issue is?
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Question by:antonioking
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Expert Comment

by:pgm554
ID: 38856304
Can you ping any thing on the other side?
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Author Comment

by:antonioking
ID: 38856381
Nope, only the Draytek router
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by:pgm554
ID: 38856596
Sounds like you need to open ports back to the server ip address.

http://www.draytek.co.uk/support/kb_vigor_portforwarding.html
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by:plug1
ID: 38858542
It sounds like the pcs and servers on the other side are using a different router as thier default gateway, if this is the case you need to add a static route on that gateway pointing to the subnet 192.168.56.0.

A tracert from the pc's on 192.168.56.0 will verify if this is the problem.
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Author Comment

by:antonioking
ID: 38859019
The server and PCs on the branch office cannot ping anything at the head office. Not even the gateway router.
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by:antonioking
ID: 38859193
I have opened the ports to the server on the router.
I have port forwarded 3389 (RDP)

It still doesn't ping, RDP doesn't work.
Cannot access any resources either side of the network.
ie... PCs on 192.168.58.0/24 cannot access any PCs on 192.168.56.0/24 accept the router on 192.168.56.1
PCs on 192.168.56.0/24 cannot access any PCs on 192.168.58.0/24
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by:plug1
ID: 38867126
Can you post an IPCONFIG from a PC on 192.168.58.0 network and then a tracert from that pc to a pc on 192.168.56.0 which is pingable please? Sorry for the delay .. been a bit busy.
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by:plug1
ID: 38867130
Obviously the tracert will fail but I want to see the path.
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Accepted Solution

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antonioking earned 0 total points
ID: 38896849
A vlan on the draytek was causing the problem, and reconfiguring the vlan  resolved the issue.

Thanks for your time.
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Author Closing Comment

by:antonioking
ID: 38913139
Resolve issue myself.
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