prova a 'indentare' meglio il file, tramite spazio:
codice:
default:
 set log Phase Chat LCP IPCP CCP tun command
 set redial 15 0
 set reconnect 15 10000
pppoe:
 set device "!/usr/sbin/pppoe -i ie0"
 disable acfcomp protocomp
 deny acfcomp
 set mtu 1492
 set speed sync
 enable lqr
 set lqrperiod 5
 set cd 5
 set dial
 set login
 set timeout 0
 set authname *****
 set authkey *****
 add default HISADDR
 enable DNS
 enable mssfixup
Maggiori info le puoi trovare in /etc/ppp/ppp.conf.sample

ciao