> i usually use /64 for p2p link. it works just fine, it supports
> temporary address (RFC3041) if you desire, i can think of no reason to
> use somethiing other than /64.
let me be clear - I usually use either /64 global address prefix, or no
global address (link-local only), on p2p link. both works just fine.
i assign /64 global prefix when we need to monitor router p2p interface
from remote (by ping6), for instance. in other cases, i don't
assign /64 global addess prefix.
itojun
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