IPv6 Router Advertisements (RAs) service 900 Interface to send DDNS updates for [REQUIRED] Set Hop Count field of the IP header for outgoing packets (default: 64) 1-255 Value should represent current diameter of the Internet 0 Unspecified (by this router) Hop count must be between 0 and 255 64 Lifetime associated with the default router in units of seconds 4-9000 Router Lifetime in seconds 0 Not a default router Default router livetime bust be 0 or between 4 and 9000 Preference associated with the default router, low medium high low Default router has low preference medium Default router has medium preference (default) high Default router has high preference ^(low|medium|high)$ Default preference must be low, medium or high medium DNS search list Link MTU value placed in RAs, exluded in RAs if unset 1280-9000 Link MTU value in RAs Link MTU must be between 1280 and 9000 Hosts use the administered (stateful) protocol for address autoconfiguration in addition to any addresses autoconfigured using SLAAC Set interval between unsolicited multicast RAs Maximum interval between unsolicited multicast RAs (default: 600) 4-1800 Maximum interval in seconds Maximum interval must be between 4 and 1800 seconds 600 Minimum interval between unsolicited multicast RAs 3-1350 Minimum interval in seconds Minimum interval must be between 3 and 1350 seconds IPv6 address of recursive DNS server ipv6 IPv6 address of DNS name server Hosts use the administered (stateful) protocol for autoconfiguration of other (non-address) information IPv6 prefix to be advertised in Router Advertisements (RAs) ipv6net IPv6 prefix to be advertized Prefix can not be used for stateless address auto-configuration Prefix can not be used for on-link determination Time in seconds that the prefix will remain preferred (default 4 hours) infinity 0-4294967295 Time in seconds that the prefix will remain preferred infinity Prefix will remain preferred forever ^(infinity)$ 14400 Time in seconds that the prefix will remain valid (default: 30 days) infinity 1-4294967295 Time in seconds that the prefix will remain valid infinity Prefix will remain preferred forever (infinity) 2592000 Time, in milliseconds, that a node assumes a neighbor is reachable after having received a reachability confirmation 1-3600000 Reachable Time value in RAs (in milliseconds) 0 Reachable Time unspecified by this router Reachable time must be 0 or between 1 and 3600000 milliseconds 0 Time in milliseconds between retransmitted Neighbor Solicitation messages 1-4294967295 Minimum interval in milliseconds 0 Time, in milliseconds, between retransmitted Neighbor Solicitation messages Retransmit interval must be 0 or between 1 and 4294967295 milliseconds 0 Do not send router adverts