Will NAT66 provide network address translation in IPv6?
I heard there is no way to do network address translation (NAT) in IPv6. Is this true? What about NAT66? Won't that provide IPv6 NATing?
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ASKED:
May 22, 2012 2:13 PM
UPDATED:
May 22, 2012 5:54 PM
Answer Wiki:
Hi
RFC 6296 defines IPv6-to-IPv6 Network Prefix Translation, which is basically NAT66. The difference to what we ususally do with NAT44 is that - as the name implies - it is a one to one mapping, not a one to many as in NAT44.
The main rule and goal still is to avoid any form of NAT where ever possible.
Silvia
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One of the issues I’ve come across in my experience is deeper than this; it’s setting up a corporate network w/o subnetting and using dynamic IP addresses.
This combination makes it almost impossible to trace issues because you don’t know where machines are in a building. The largest corporate network I have seen this with is 1K machines – and when 100 of them are in the same room, and you have uneducated users, trying to figure out which machine(s) have software broadcast issues, for one example, render this impossible to trace without interrupting everyone’s work to gather the current IP address(es). Do away with NAT and dynamic IPs in your environment and you’ll be MUCH better equipped to deal with network issues.