The [L2TPSession] section only applies for netdevs of kind
"l2tp", and accepts the following keys:
Name=
Specifies the name of the session. This setting is
compulsory.
SessionId=
Specifies the session identifier. Takes an number in the
range 1...4294967295. The value used must match the
"SessionId=" value being used at the peer. This setting is
compulsory.
PeerSessionId=
Specifies the peer session identifier. Takes an number in the
range 1...4294967295. The value used must match the
"PeerSessionId=" value being used at the peer. This setting
is compulsory.
Layer2SpecificHeader=
Specifies layer2specific header type of the session. One of
"none" or "default". Defaults to "default".
