Arcane IP Conflict to Watch Out For

After spending a couple of weeks worrying that I’d have to be plugged directly into my router to connect to my work VPN network, with my Dell D830 Latitude laptop and Windows 7 64 bit, I finally chanced upon the solution. It turned out to be a device manager setting and potentially a setting in the BIOS on my D830 dell latitude (bios revision A14).

Follow the following steps if you are suffering the same issue yourself…

1. Changed the MTU setting on the VPN device...

2. Changed a setting in the bios, which dictated that the wifi connection should be turned off when another connection is available (i.e. LAN or 3

UPDATE: 23:15 15 January 2010: Actually I’ve just discovered the real route of my problems. Turns out that if my router (3com office connect adsl wireless 11g firewall router), assigns an ip address that is in use by one of the virtual server LAN IP addre

What actually happened was when I plugged another router into my firewall router, I got assigned 192.168.1.3 to my laptop wireless card, which wasn’t one of the entries in the virtual servers table, and that’s when it started working.

So if you have trouble connecting, double-check if you have conflicting IP addresses, or, drop us a line – help@ncp-e.com or @VPNHaus

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