OSPFv2 Router-LSA (`ospfv2_router_lsa`)

Layer: L3 (network)
Header: variable length

Reached from

Lower layer	Selector	Value
`ospfv2_lsa`	`ls_type`	1 (0x01)

Fields

Field	Type	Default	Auto	Description
`flags`	`flags(8)`	`0x0`		Router-LSA flags (V = virtual link endpoint, E = ASBR, B = ABR).
`reserved`	`uint(8)`	`0`
`num_links`	`uint(16)`		Number of items of `links`	Number of router links described.
`links`	`list<struct>` — rest of the PDU	1 items		Router links (link ID, link data, type, TOS count, metric).

`flags`

Bit	Mask	Name
2	4 (0x04)	`v`
1	2 (0x02)	`e`
0	1 (0x01)	`b`

`links`

Each item is a group of the fields below.

Field	Type	Default	Auto	Description
`link_id`	`ipv4`
`link_data`	`ipv4`
`type`	`enum(8)`
`num_tos`	`uint(8)`
`metric`	`uint(16)`

`links` › `type`

Value	Name
1 (0x01)	`point_to_point`
2 (0x02)	`transit`
3 (0x03)	`stub`
4 (0x04)	`virtual_link`

Sample templates

ospfv2-lsu-router-lsa — templates/protocols/routing/ospfv2-lsu-router.wpg.yaml