С помощью pppoe-setup настроил соединение. pppoe-start - конектит:
Jun 16 19:17:32 stvad-pc pppd[2432]: pppd 2.4.5 started by root, uid 0
Jun 16 19:17:32 stvad-pc pppd[2432]: Using interface ppp0
Jun 16 19:17:32 stvad-pc pppd[2432]: Connect: ppp0 <--> /dev/pts/2
Jun 16 19:17:32 stvad-pc pppoe[2433]: PPP session is 21081 (0x5259)
Jun 16 19:17:32 stvad-pc pppd[2432]: CHAP authentication succeeded
Jun 16 19:17:32 stvad-pc pppd[2432]: local IP address 46.98.79.204
Jun 16 19:17:32 stvad-pc pppd[2432]: remote IP address 212.115.225.20