If you plan on using demand dialing, or kernel mode PPPoE, you need to patch and re-install using the standard BLFS instructions. The patch can be downloaded from here: . Additional information about kernel mode PPPoE can be found in rp-pppoe-&pppoe-version;/doc/KERNEL-MODE-PPPOE. Install RP-PPPoE by running the following commands: cd src && ./configure && make && make install