IPv6 prefixes longer then /64: are they possible in DOCSIS networks?

Tue Nov 29 08:09:47 UTC 2011

* Dmitry Cherkasov:

> It is commonly agreed that /64 is maximal length for LANs because if
> we use longer prefix we introduce conflict with stateless address
> autoconfiguration (SLAAC) based on EUI-64 spec. But  SLAAC is not used
> in DOCSIS networks. So there seems to be no objections to use smaller
> networks per cable interfaces of CMTS.

As far as I understan the IPv6 address architecture, if the network
prefix is longer than /64, you're not running Unicast IPv6.

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