Internet Assigned Numbers Authority IPv6 Router Alert Option Values Created 2001-06-29 Last Updated 2024-03-27 Available Formats [IMG] XML [IMG] HTML [IMG] Plain text Registry included below • IPv6 Router Alert Option Values IPv6 Router Alert Option Values Registration Procedure(s) IETF Review Reference [RFC2711] Available Formats [IMG] CSV Value Description Reference 0 Datagram contains a Multicast Listener Discovery message [RFC2710] 1 Datagram contains RSVP message [RFC2711] 2 Datagram contains an Active Networks message [RFC2711] 3 Reserved [RFC5350] 4-35 Aggregated Reservation Nesting Level [RFC3175] 36-67 QoS NSLP Aggregation Levels 0-31 [RFC5974] 68 NSIS NATFW NSLP [RFC5973] 69 MPLS OAM (DEPRECATED) [RFC7506][RFC-ietf-mpls-lspping-norao-08] 70-65502 Unassigned 65503-65534 Reserved for experimental use [RFC5350] 65535 Reserved [The Internet Assigned Numbers Authority] Licensing Terms