L2TP and PPPoE tools built using the go-l2tp package

 go-l2tp is a suite of Go libraries for building L2TP applications on
 Linux systems.
 .
 It includes a set of daemons for managing various related connections:
  * kl2tpd is a client (LAC-mode) L2TPv2 daemon,
  * ql2tpd manages static L2TPv3 Ethernet connections,
  * kpppoed is a PPPoE server daemon which can be used alongside kl2tpd
    to implement L2TP Access Concentrator connections.
 .
 The go-l2tp daemons use the Linux kernel L2TP and PPP subsystems for
 data transport. PPP termination is delegated to pppd.