31 and whether it is a control or data packet. When tunnels and sessions
37 operations when establishing tunnels and sessions. The procedure looks
117 sockets are used to implement unmanaged L2TPv3 tunnels (iproute2's "ip
120 unmanaged tunnels later in this document.
363 L2TPv2/L2TPv3 IPv4/IPv6 tunnels and userspace must use the appropriate
549     - Tunnels are managed using a tunnel management socket which is a
564 Unmanaged L2TPv3 tunnels
568 tunnels. Unmanaged tunnels have no userspace tunnel socket, and
575 ``iproute2`` has commands for managing static L2TPv3 tunnels; do ``ip
592     # cat /debug/l2tp/tunnels
607 tunnels and sessions only. Its use is discouraged.
627 Tunnels  section in Internal Implementation
637 Tunnels are identified by a unique tunnel id. The id is 16-bit for
641 Tunnels are kept in a per-net list, indexed by tunnel id. The
669 Like tunnels, L2TP sessions are identified by a unique
681 L2TPv3 session ids are unique across all tunnels.
756      useful to map OVS Ethernet and VLAN ports into L2TPv3 tunnels.