'Upgrading' NAT64 to 464XLAT?

[Dick Visser]

hi guys

We've been running a NAT64/DNS64 set-up for a while now on some parts of
our office network.
This seems to work well, but it doens't work for everything (e.g. Skype
etc).
If those apps were working, it would be possible to actually use if for
production.
I was reading about 464XLAT, and from what I understand, this is more or
less NAT64, but with some sort of local (RFC1918) IPv4 in the mix.

For phones this is done using a special daemon that provides a local
IPv4 address.
I'd like to 'upgrade' out existing NAT64/DNS64 setup to do 464XLAT, but
there aren't many docs about how to set 464XLAT to begin with.
I've seen https://sites.google.com/site/tmoipv6/464xlat, and I asked
around here and there.
A schema with actual addresses would be nice, but I can't find that.

Since we have an office set-up with, I assume I should configure the
IPv6-only VLAN so that RFC1918 addresses are handed out on it as well?

What I don't understand, if a device gets an RFC1918 IPv4 address, and a
global IPv6 address, how would it be possible that apps that support
IPv6-only use the IPv6 path? I can imagine that some applications still
prefer to take the IPv4 path?


Thanks!!





-- 
Dick Visser
System & Networking Engineer
TERENA Secretariat
Singel 468 D, 1017 AW Amsterdam
The Netherlands

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