Hi, On Wed, Nov 07, 2012 at 09:11:46AM -0700, Tim Densmore wrote: > Currently for most v4 DSL subscribers, we use "ip unnumbered" pointing > towards a loopback that functions as the gateway and use DHCP or host > routes or radius to assign IPs. This config appears impossible using > v6, since loopbacks don't send RAs, and DAD wouldn't work with multiple > isolated P2P links all IPd from the same /64 in any case. Basically, > I'm looking for a way to send non-link-local RAs down ATM P2P subints, > and dot1q qinq subints. > > What's BCP for this scenario?
As far as I know, if it's static interfaces (as in "not dynamically
created virtual-access stuff that can be filled from Radius") all you
can do on IOS is
interface <foo>
ipv6 address 2001:db8:this:customer::1/64
but since you mention "radius to assign IPs" - in that case it might
be possible just have radius send IPv6 prefix config as well
(cisco-avpair = "ipv6:prefix#1=2001:db8:this:customer::/64", plus
"ipv6 unnumbered lo0" on the actual interface)
gert
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Gert Doering - Munich, Germany [email protected]
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