use the following commands for PPP over Ethernet (PPPoE) configuration
vpdn group pppoegroup request dialout pppoe
vpdn group pppoegroup localname abccompany
vpdn username abccompany password abc12345
vpdn group pppoegroup ppp authentication PAP
ip address outside pppoe setroute
use localname and password are assigned by your Internet Service Provider (ISP). The optional setroute parameter is used to obtain the default route from the PPPoE server.