Can 4X4LAT be configured externally say through RA, DHCPv6, and DHCP alone or does some other configuration need to be done on the IPv6 only client?
mnathani: here's some detail from nanog 61 re: 464xlat @ tmobile https://www.nanog.org/sites/default/files/wednesday_general_byrne_breakingfree_11.pdf
also a video of it https://www.nanog.org/sites/default/files/04-jun-2014_webcast_bryne_464xlat-breaking-free-ipv4.mp4 (might also be on yt, but i didn't look)
m0unds: thanks
464XLAT: Breaking Free of IPv4: http://youtu.be/Xl-hIyZSAmA
YouTube Tech: "464XLAT: Breaking Free of IPv4" by TeamNANOG (39m 47s), 896 views, 14 likes and 0 dislikes. Uploaded 2014-06-06T00:50:51.000Z.
Found it
I wonder how an  ICMP ping would work with 464XLAT