VPN issues

We VPN into our main office.
We are not on their network and are completely separate from their network.  Nothing is in common with them.  Look at it as a completely separate entity.

In order to get into the main office's resources, is we have to VPN into them.
When we do that it wipes out our primary network connection, we cannot get into outlook, and cannot map network drives.
It seems, the VPN takes over the network.
We are using a single NIC card.

Any suggestions how the 2 can work together.

Thanks
autumn801Asked:
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Rob WilliamsConnect With a Mentor Commented:
Yes the support staff for the Cisco would have to enable split-tunneling. There is no way to do it locally.
Very possible they will not do so as it exposes their network to any attacks that you may receive on your end.
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Rob WilliamsCommented:
How is your VPN established, or rather what VPN client are you using?
There is a security feature built into all VPN clients that blocks local connections, including local Internet access, to protect the office/remote network. Keeping in mind the possible security concerns, this can be modified to allow access to your local network at the same time as the VPN. It is called split-tunneling. The function is changed in different ways with different VPN's, some on the client and others on the router/server end. If you are using the Windows VPN client you can do so on the client/connecting PC.
Go to:
control panel | network connections | right click on the VPN/Virtual adapter and choose properties | Networking | TCP/IP -properties | Advanced | General | un-check  "Use default gateway on remote network"
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autumn801Author Commented:
This done through Cisco Systems VPN Client Version 4.0.5

And main company gave us this client.
So then they have to change it.
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Rob WilliamsCommented:
Thanks autumn801.
Cheers !
--Rob
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