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Re: IPv6 broadband provisioning



On 29 dec 2007, at 21:11, Brian E Carpenter wrote:

For instance, if an IPv6 router sits on top of two layers of layer 2 aggregation devices, the IPv6 router sends out router advertisements with prefix 2001:db8:31::/64.

Why do you say /64? The model is supposed to be that SOHO subscribers
get at least a /56.

This is when the user's machine(s) directly get RAs from the ISP. In that case it has to be /64 or stateless autoconfig won't work. If they want more than a /64 they'll need an IPv6 router and, presumably, DHCPv6 PD to request a prefix.