[AusNOG] IPv4 - Free /48 from APNIC
don at bowenvale.co.nz
Tue Mar 5 13:23:21 EST 2013
On 5/03/2013 12:02 p.m., Mark Andrews wrote:
> The single router solution for IPv6 works today. You connect to
> two ISPs. You send RA's for both prefixes. If one upstream goes
> down you deprecate those prefixes. When the link is restored you
> stop deprecating those prefixes. The hosts pick the source address
> of the active prefix for new outgoing connections. In terms of
> availability this is no different than using NAT with IPv4.
Ok cool. I'd love to see some scripts for the Mikrotik Router OS
showing how you set it up to do that.
I don't understand what impact that has on the devices.
I don't fully understand this concept of prefixes. 192.168.1.1 where's
the prefix in that? 192?
Currently I think in terms of a single address per device. Are you
saying all my devices get two addresses and then just use one?
I don't understand how the devices know which is the least cost route.
> Alternatively you can have one prefix and establish the VPN link
> exactly like you did with IPv4 to re-establish connectivity.
Yip, which now requires me to understand how to route v6 over vpn.
Clearly I need to make a list of all the skills I didn't know I needed
just to have enough learning to replace my v4 functionality. I wonder
what else I don't know that I don't know I need to know?
> The IETF is looking at making the top solution work with multiple
> routers. Yes, source + destination based routing is coming to a
> net near you.
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