NDP Router Advertisement (`ndp_ra`)

Reached from

Lower layer	Selector	Value
`icmpv6`	`type`	134 (0x86)

Field	Type	Default	Description
`cur_hop_limit`	`uint(8)`	`64`	Hop limit that hosts should use (0 = unspecified).
`m`	`uint(1)`	`0`	Managed address configuration flag (M).
`o`	`uint(1)`	`0`	Other configuration flag (O).
`reserved`	`uint(6)`	`0`	Reserved, 0.
`router_lifetime`	`uint(16)`	`1800`	Lifetime of the default router in seconds (0 = not a default router).
`reachable_time`	`uint(32)`	`0`	Reachable time in milliseconds (0 = unspecified).
`retrans_timer`	`uint(32)`	`0`	Retransmission timer in milliseconds (0 = unspecified).
`options`	`bytes` — rest of the PDU		Raw NDP options (TLV).