pppoe(8) on Linux
The text ada93de6fefa, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it.
user-space PPPoE client.
Flags it lists
-
-A -
-C -
-D -
-H -
-I -
-S -
-T -
-U -
-V -
-W -
-d -
-e -
-f -
-h -
-k -
-m -
-n -
-p -
-s