pppoe(8) on Linux
The text 7f9ed6a51131, as Debian 12 (Bookworm) 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