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Problem with VPN Split-Tunneling

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  • Problem with VPN Split-Tunneling

    I am having a problem with VPN Split-Tunneling.
    I have NO issues with VPN Everything-Through-The-Tunnel.

    The router is a Cisco 851w running IOS 12.4T (T7) Advance Security Image.
    The VPN client is Cisco VPN Client ver 4.8.00.0440

    I have split tunneling configured on the router.
    The config pushes DNS server IPs to the client.
    No Split-DNS is configured.
    The router config is proper.

    When testing from the router location, I use a dial-up line to establish a VPN connection to the router.
    Using this method, split tunneling functions properly:
    1. I can access the lan behind the router with no problems.
    2. I can access the internet via the clients ISP connection using URLs and IPs.

    When traveling off-site (e.g. a hotel using broadband) and making a VPN connection to the router:
    1. I can access the lan behind the router with no problems.
    2. I can access the internet via the clients ISP connection using IPs.
    3. I CANNOT access the internet via the clients ISP connection using URLs.

    This appears to be a DNS problem, but I am at a loss to figure out how to resolve the issue.

    Any suggestions would be appreciated.

    Regards,

  • #2
    Re: Problem with VPN Split-Tunneling

    Try to use your router as DNS proxy server. You have not posted the config but you can add "ip dns server" command to your config if you have not done so and use your router as DNS server in the configurations of the clients.

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