Re: ipv6 question

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Wolfgang S. Rupprecht wrote:
Bill Davidsen <davidsen@xxxxxxx> writes:
I have a related question. If I set up a tunnel to forward IPv6 thru
IPv4, the existing setups seem to use part of my IPv4 address as part
of the IPv6 address. Fair enough, but is there some way to get a
permanent IPv6 allocation, such that if my primary ISP goes out for
any reason, I can use my secondary instead? I'd like to set up some
servers on VMs in my DMZ[1] for testing.

In order to avoid the mess crated in IPv4 with lots of hard to route
direct assignments, IPv6 addresses are not handed out to end users.
They are only handed out to ISP's (in hunks of /32 if I recall
correctly), who in tun hand out /48's to end users.  That keeps the
routing table nice and small, but also means that if you are an end
user, you will have to play short-TTL dns games if you want a fail-over
for a server.

My ISP owns my static IPs now, more or less, so I don't need to control them as much as be able to use them from multiple points. Thanks for the info.

--
Bill Davidsen <davidsen@xxxxxxx>
  "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot

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