RIPng (`ripng`)

Layer: Application and control
Header: variable length
Notes: Routing protocols

Reached from

Lower layer	Selector	Value
`udp`	`dst_port` / `src_port`	521 (0x0209)

Fields

Field	Type	Default	Auto	Description
`command`	`enum(8)`	`2` (response)		RIP command (1 = request, 2 = response).
`version`	`uint(8)`	`1`		RIP version (1 or 2; RIPng uses 1).
`reserved`	`uint(16)`	`0`
`entries`	`list<struct>` — rest of the PDU	1 items		Route table entries (prefix, route tag, prefix length, metric; 0xff = next hop).

`command`

Value	Name
1 (0x01)	`request`
2 (0x02)	`response`

`entries`

Each item is a group of the fields below.

Field	Type	Default	Auto	Description
`prefix`	`ipv6`
`route_tag`	`uint(16)`
`prefix_length`	`uint(8)`
`metric`	`uint(8)`

Sample templates

ripng-response — templates/protocols/routing/ripng-response.wpg.yaml