Question concerning PIX and PPPOE. PIX is verion 6.0(1). How is pppoe setup on a pix 506?

Network has a PIX. Unable to ping any outside addresses from the inside. Also, can not connect to outside interface of a router from inside the network. Have added the following to my access list,"access-list outside_if_inbound permit icmp any any". ...

Through dial up have no problem loggging on to my network with out using vpn client. When I use VPN through my ISP dialup account, recieve "no domain server was available to validate password. May not be able to gain access to some network resources....