L2TPv3 (l2tpv3)
- Layer: L4 (transport)
- Header: variable length
- Notes: Encapsulation and tunnels
Reached from
| Lower layer | Selector | Value |
|---|---|---|
ipv4 | protocol | 115 (0x73) |
ipv6 | next_header | 115 (0x73) |
ipv6_hopopts | next_header | 115 (0x73) |
ipv6_route | next_header | 115 (0x73) |
ipv6_srh | next_header | 115 (0x73) |
ipv6_frag | next_header | 115 (0x73) |
ipv6_dstopts | next_header | 115 (0x73) |
Fields
| Field | Type | Default | Auto | Description |
|---|---|---|---|---|
session_id | uint(32) | 0 | L2TPv3 Session ID. | |
body | bytes — rest of the PDU | "" | L2TP body (presence-conditional fields + payload); opaque octets. |
Sample templates
- l2tpv3 —
templates/protocols/encap/l2tpv3.wpg.yaml