Like IPv4, IPv6 also supports routing protocols that enable routers to exchange information about connected networks. IPv6 routing protocols can be internal (RIPng, EIGRP for IPv6) and external (BGP).
As with IPv4, IPv6 routing protocols can be either distance vector or link-state. An example of a distance vector protocol is RIPng with hop count as the metric. An example of a link-state routing protocol is OSPF with cost as the metric.
IPv6 supports the following routing protocols:
- RIPng (RIP New Generation)
- EIGRP for IPv6
- IS-IS for IPv6
- MP-BGP4 (Multiprotocol BGP-4)
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