IPv6 routing /48s

Pekka Savola pekkas at netcore.fi
Thu Nov 20 11:32:30 UTC 2008

On Thu, 20 Nov 2008, Nathan Ward wrote:
> IPv6 will be used in preference to IPv4 if it is available. If 6to4 is the 
> only IPv6 connectivity then it will be used. See RFC3484. Preference of IPv4 
> is 10, 6to4 is 30.

However, in destination address selection "prefer matching 
scope" (comes up when v4 address is rfc1918) and "prefer matching 
label" is checked before preference.

Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings

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