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Re: v6 subnet size for DSL & leased line customers
Thus spake <[email protected]>
In places where you need tighter control over the usage of various gateways on a common L2 segment, VRRP probably makes more sense. However, as things currently stand, that means static routing configuration on the host since for reasons passing understanding, DHCP6 specifically won't do gateway assignment.
For most hosts, there is no need for anything like VRRP or getting a default gateway via DHCP in v6 because all hosts are required to implement RA/RS. The vast majority of hosts either have one default gateway or two-plus equivalent ones, so that works fine. For hosts with multiple gateways that are unequal, VRRP+DHCP doesn't solve the problem any better than RA/RS; you have to fiddle with the hosts' routing tables to get things set up right.
Stephen Sprunk "God does not play dice." --Albert Einstein
CCIE #3723 "God is an inveterate gambler, and He throws the
K5SSS dice at every possible opportunity." --Stephen Hawking