current state of IPv6 support in Debian

[Ivan Shmakov <oneingray@gmail.com>]

	Surprised by the clarity of IPv6, I now have thoughts of
	abandoning IPv4 on my home LAN (... where the RFC 1918 lie...)
	altogether.  So far, I've noticed the following problems that
	make me delay this move.  The list is as per Debian GNU/Linux
	5.0 (Lenny), unless stated otherwise.

	I wonder, are there other specific problems to check for, and
	what's the state of the ones listed?

	* NAT64; (should I try to write a quick and dirty one myself?)

	* Squid 3.0; Squid 3.1 supports IPv6, but is still not in Sid;

	* `flow-tools' and `fprobe-ulog'; (use `nfdump' and `softflowd'
	  instead? oh well, `nfdump' depends on... `ttf-dejavu'! thanks
	  to the `librrd4' dependency);

	* VoIP -- apparently, neither Ekiga nor Linphone support IPv6;
	  any suggestions? (CLI software is preferred, but will consider
	  anything capable of IPv6);

	* today I saw mount(8) failing to mount an NFS volume over IPv6;
	  I didn't investigated it further as of this moment;

	* (still have to IPv6-check Asterisk and Yate);

	* (still have to investigate whether my D-Link WiFi access point
	  passes IPv6 or not; but wait, that isn't related to either
	  Debian or my home LAN.)

	TIA.

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