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VPN on one interface

forluca
Level 1
Level 1

‎12-03-2002 02:39 PM - edited ‎02-21-2020 12:12 PM

Hi,

I have a lan on pubblic ip network. I would like to install a 1720 with only one interface (with a pubblic ip address) to make a vpn to a remote site. The vpn will let servers that are on the same ip pubblic network of the 1720 to connect to private remote site network.

I would like to know if there are no problem to make inbound and outbound vpn traffic on the same interface. Is this configuration work?

Thanks for help.

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kdurrett
Level 3
Level 3

‎12-04-2002 06:11 AM

To say that there are no problems is asking for trouble :) But yea, this configuration does work, wish I had a link for you. Commonly referred to as a one-arm bandit config. Of course your servers on the 1720 side will need to have a default gateway of the 1720 or a route for the remote network directing to the 1720. I do believe the one thing you'll have to do is turn off ip redirects on that one interface.

Kurtis Durrett

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