North American Network Operators Group|
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Re: IPv6: IS-IS or OSPFv3
as one who has been burned when topologies are not congruent, i gotta ask. if i do not anticipate v4 and v6 having different topologies, and all my devices are dual-capable, would you still recommend mt for other than future-proofing?
the real control plane is bgp. is-is is for recursive resolution to find bgp's next hop interface, fertig. so the simpler the better. i am annoyed enough that bgp4 and bgp6 peerings and configs are overly divergent. running a different igp for 6 and 4 would not make me happy.