No ping or traffic on connected VPN - TechRepublic
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March 23, 2005 at 10:18 PM
cazen

No ping or traffic on connected VPN

by cazen . Updated 21 years, 3 months ago

I am troubleshooting a VPN connection IP traffic problem.
I can successfully connect to the internet.
I can successfully establish a VPN connection.
After the connection I can’t communicate with anything on my private or work network.
I tried ping, SuperScan4 network discovery, network browse, direct connection to default gateways, etc. and have no connectivity.

I have a recent W2K pro laptop with all updates connected to a DL-624 Dlink B-Band router WAP with DSL bridged. I’m using Panda Titanium 2005 AV/Firewall and have given the VPN software inbound/outbound priviledges and the VPN virtual adaptor ‘LAN’ status (opposed to ‘Internet’) in Panda.
The Dlink router is set to ‘pass through’ for IPSEC and PPTP VPN traffic.
My remote network is a static IP Watchguard SOHO6tc with the latest firmware.
I’m using the latest MUVPN client and an imported WGX config file generated by the SOHO6tc.

The VPN connection seems to connect properly (logs show no abnormal errors) but nothing can communicate.

My home network uses the same subnet and addressing scheme as the remote network. (Work uses static addressing and home uses DHCP)
The default gateway on both networks is 192.168.1.1.
At work I connect with internal nic and home is 802.11g. The assigned ip on the SOHO VPN connection is unique on both network’s but I don’t think I can talk to my internal LAN with VPN active anyway.

My first thought was that the networks should use different IP addressing IF I was connecting the two networks, but I think the VPN tunnell connects only my laptop to the remote network (tunnell is initiated all the way though my home net) so the IP conflict with the default gateways (DLink router and SOHO) shouldn’t matter.
It would be a real pain to setup either network on a different addressing scheme to troubleshoot this. So I’m grasping for help here.

So who see’s the problem here?

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