rfc9818v2.txt | rfc9818.txt | |||
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skipping to change at line 204 ¶ | skipping to change at line 204 ¶ | |||
LPD-3: The prefix assigned to a link MUST NOT change in the absence | LPD-3: The prefix assigned to a link MUST NOT change in the absence | |||
of a local policy or a topology change. | of a local policy or a topology change. | |||
LPD-4: After LAN link prefix assignments, the IPv6 CE router MUST | LPD-4: After LAN link prefix assignments, the IPv6 CE router MUST | |||
keep the remaining IPv6 prefixes available to other routers | keep the remaining IPv6 prefixes available to other routers | |||
via Prefix Delegation. | via Prefix Delegation. | |||
LPD-5: IPv6 CE routers MUST maintain a local routing table that is | LPD-5: IPv6 CE routers MUST maintain a local routing table that is | |||
dynamically updated with leases and the associated next hops | dynamically updated with leases and the associated next hops | |||
as they are delegated to clients. Packets with destination | as they are delegated to clients. Absent explicit | |||
addresses in a delegated prefix MUST be routed to that | filtering, packets with destination addresses in a delegated | |||
prefix regardless of which interface they are received on. | prefix MUST be forwarded to that prefix regardless of which | |||
When a delegated prefix is released or expires, the | interface they are received on. When a delegated prefix is | |||
associated route MUST be removed from the IPv6 CE router's | released or expires, the associated route MUST be removed | |||
routing table. A delegated prefix expires when the valid | from the IPv6 CE router's routing table. A delegated prefix | |||
lifetime assigned in the IA_PD expires without being | expires when the valid lifetime assigned in the IA_PD | |||
renewed. When a prefix is released or expires, it MUST be | expires without being renewed. When a prefix is released or | |||
returned the pool of available prefixes. | expires, it MUST be returned the pool of available prefixes. | |||
LPD-6: By default, the IPv6 CE router filtering rules MUST allow | LPD-6: By default, the IPv6 CE router filtering rules MUST allow | |||
forwarding of packets with an outer IPv6 header containing a | forwarding of packets with an outer IPv6 header containing a | |||
source address belonging to delegated prefixes, along with | source address belonging to delegated prefixes, along with | |||
reciprocal packets from the same flow, following the | reciprocal packets from the same flow, following the | |||
recommendations of [RFC6092]. This updates WPD-5 of | recommendations of [RFC6092]. This updates WPD-5 of | |||
[RFC7084] to not drop packets from prefixes that have been | [RFC7084] to not drop packets from prefixes that have been | |||
delegated. IPv6 CE routers MUST continue to drop packets, | delegated. IPv6 CE routers MUST continue to drop packets, | |||
including destination address, that are not assigned to the | including destination address, that are not assigned to the | |||
LAN or delegated. | LAN or delegated. | |||
End of changes. 1 change blocks. | ||||
9 lines changed or deleted | 9 lines changed or added | |||
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