'Upgrading' NAT64 to 464XLAT?

Eric Vyncke (evyncke) evyncke at cisco.com
Mon Nov 25 15:22:44 CET 2013


Dick

464XLAT is contained within a host, so, you will need an implementation for all your end host (laptop, tablets, ...) 

But, I am sure that you already know that ;-)

> -----Original Message-----
> From: ipv6-ops-bounces+evyncke=cisco.com at lists.cluenet.de
> [mailto:ipv6-ops-bounces+evyncke=cisco.com at lists.cluenet.de] On
> Behalf Of Dick Visser
> Sent: lundi 25 novembre 2013 14:20
> To: ipv6-ops at lists.cluenet.de
> Subject: 'Upgrading' NAT64 to 464XLAT?
> 
> 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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