nanog mailing list archives

Re: IPv6 deployment excuses


From: Valdis.Kletnieks () vt edu
Date: Tue, 05 Jul 2016 00:00:56 -0400

On Tue, 05 Jul 2016 11:16:31 +0900, Masataka Ohta said:

A large ISP should just set up usual NAT. In addition, the ISP
tells its subscriber a global IP address, a private IP address
and a small range of port numbers the subscriber can use and
set up *static* bi-directional port forwarding.

Thus almost guaranteeing a call to the support desk for each and every single
game console, because the PS3 and PS4 doesn't have a configuration interface
for that, and the XBox probably doesn't either (and if it does, it's probably
something that Joe Sixpack can't do without help).

It is merely because you think you must do it dynamically.

But, if you want to run a server at fixed IP address
and port, port forwarding must be static.

A laudable network design for my competitors.  Feel free to deploy it at a
realistic sized ISP and let us know how it works out.

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