IPv6 NAT support with kernel 3.7

routeros When can adding that feature?

http://lwn.net/Articles/514087/

Test-funtoo ~ # uname -a
Linux Test-funtoo 3.9.0-gentoo #1 SMP Fri May 3 22:47:49 CST 2013 x86_64 Intel(R) Xeon(R) CPU E5645 @ 2.40GHz GenuineIntel GNU/Linux
Test-funtoo ~ # ip6tables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
Test-funtoo ~ # ip6tables-save
# Generated by ip6tables-save v1.4.18 on Wed May 15 22:00:03 2013
*nat
REROUTING ACCEPT [0:0]
:INPUT ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
OSTROUTING ACCEPT [0:0]
-A POSTROUTING -o eth0 -j MASQUERADE
COMMIT
# Completed on Wed May 15 22:00:03 2013

Mikrotik uses kernel 3.3.5

I seriously doubt they will update that kernel version significantly until they release mikrotik 7.x

Why should you need any kind of NAT in IPv6? Protecting users from incoming connections? That will do any rule like "drop incoming connection if not related to any outgoing connection from client ip" you can built in iptables and ROS since ages.

Why should you need any kind of NAT in IPv6? Protecting users from incoming connections? That will do any rule like "drop incoming connection if not related to any outgoing connection from client ip" you can built in iptables and ROS since ages.

Maybe greedy ISP's are only giving out a handful of IPv6 addresses instead of large blocks?

Maybe some ISPs hand out dynamic IPv6 addresses, and you want some fixed addresses in your local network?
Maybe you could have 2 IPv6 providers and want fallback without changing IPs... you can imagine a lot of scenarios.

I think Ipv6 NAT is necessary for activate the hotspot service using IPv6 addresses.
Moreover, it some networks it is userfull to net map an IPv4 LAN address to IPv6 address (in SOHO).

Mikrotik uses kernel 3.3.5

I seriously doubt they will update that kernel version significantly until they release mikrotik 7.x

Do you think this feature will be implementing the next MikroTik release 7.x ?