The best replacement for pppoe is pppoa.

The best alternatives to pppoe are rated as following:
★★★★★  pppoa
★★★  dhcp
★★★  pptp
★★★  bridge
★★  dynamic
★★  static ip
★★  ethernet
★★  bridge mode
★  ipoe
★  ppp
★  direct ip
★  dynamic ip
★  poe
  bridged ethernet
  pppoa iinet
  pppoa streamyx
  pppoa optus
  pppoa bt broadband
  bridged
  pppoa talktalk
  dhcp dsl
  ppoa
  pppoa internode
  pppoa difference
  l2tp
  pppoa bigpond

Your alternative for pppoe is not listed? Suggest!
Speaking about pppoe, one probably shouldn't forget about static ip.

Other search terms related to pppoe and their ratings are:
★★★★★ static ip
★ adsl
★ cisco
You have in mind a companion for pppoe and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of pppoe in all years. Click on graph for more.
pppoe
pppoa
dhcp