Tuesday, January 20, 2009

Making Cisco VPN Client work in Linux

The easiest way would be to install "vpnc" package which provides client for Cisco VPN concentrator (more information http://www.unix-ag.uni-kl.de/~massar/vpnc/).

On various OS, "yum" can be used to download and install the package.

#yum install vpnc

Once installed, you can use great script pcf2vpnc developed by Steven. This is useful only if you already have a .pcf file available with you.

#pcf2vpnc Input.pcf US-VPN.conf

NOTE: You can give any meaningful name to the output configuration file. Copy the output file to "/etc/vpnc" folder.

#cp US-VPN.conf /etc/vpnc

Cisco VPN server can be connected using below command

#vpnc US-VPN

If everything goes well, you are connected to the VPN server.


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