Failover IPv6 with multiple PA prefixes (Was: IPv6 fc00::/7 — Unique local addresses)

Mark Andrews marka at
Thu Oct 21 20:22:40 CDT 2010

In message <20101021170258.GE61771 at>, Phil Regnauld writes:
> Jeroen Massar (jeroen) writes:
> > Now the problem with such a setup is the many locations where you
> > actually are hardcoding the IP addresses/prefixes into: firewalls, DNS
> > etc. That is the hard part to solve, especially when these services are
> > managed by other parties.
> 	And probably the reason why most won't deploy RA and multiple prefixes.
> 	Hardcode and NAT, baby!

Well have the hosts update their own addresses in the DNS.  That's
one of the problems addressed.  There are at least two commercial
OSs which will do this for you.

Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at

More information about the NANOG mailing list