Cisco routers do not route IPv6 by default and this capability should be activated with the “ipv6 unicast-routing” command. Cisco routers are dual-stack capable by default, meaning they are capable of running IPv4 and IPv6 simultaneously on the same interfaces.
IPv6 allows the use of static routing and it supports specific dynamic routing protocols that are variations of the IPv4 routing protocols modified or redesigned to support IPv6, such as the following:
- RIPng (RIP new generation)
- OSPFv3
- EIGRPv6
- IS-IS
- BGP
Note: IS-IS and BGP . . .
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