Gateway IP for eth0 and gateway IP for pptp vpn are same

Posted by user286630 on Ask Ubuntu See other posts from Ask Ubuntu or by user286630
Published on 2014-05-29T21:28:32Z Indexed on 2014/05/29 21:59 UTC
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vpn

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pptp

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gateway

My problem is..

1) I'm using laptop at school. 2) In school, the default gateway for ethernet is 192.168.1.1. 3) I want to connect to a pptp vpn server. The gateway over the vpn connection is also 192.68.1.1. (The VPN server assigns 192.168.100.1 to my laptop and I confirmed that it is not used in school.)

In this situation, there is no problem in Windows 7. I think it is enough smart to distinguish two different gateways with the same IP. All connection requests may be forwarded to the vpn gateway.

But, in Ubuntu, I cannot access a file server in the remote site. I guess every connection request is forwarded to the ethernet gateway.

How can I send all connection requests to the vpn gateway whose IP is same as the ethernet gateway?

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