pppoe

/usr/sbin/pppd pty /usr/sbin/pppoe -p /var/run/pppoe1.conf-pppoe.pid.pppoe -I x2ge3 -T 80 -U  -m 1412    noipdefault noauth default-asyncmap hide-password nodetach usepeerdns mtu 1492 mru 1492 noaccomp nodeflate nopcomp novj novjccomp user xupeng lcp-echo-interval 20 lcp-echo-failure 3 unit 10001