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Make sure you have all required packages prior to installation. -> Requirements
Download the Wanpipe release from the Wanpipe Drivers section.
-------Untar wanpipe release in arbitrary directory (/usr/src/) .
->tar xvfz wanpipe-(version).tgz
->cd wanpipe-(version)------------Run ./Setup install
Proceed with installation Select "Y" for each option.
Under compilation mode: Select "WAN Protocol Support" (Option #1).
Proceed with Defaults for the rest of the compilation.