Re: IPv6 /64 links (was Re: ipv6 book recommendations?)

2012-06-19 Thread Alexandru Petrescu
Le 07/06/2012 22:27, Ricky Beam a écrit : On Wed, 06 Jun 2012 10:58:05 -0400, Chuck Church wrote: Does anyone know the reason /64 was proposed as the size for all L2 domains? There is one, and only one, reason for the ::/64 split: SLAAC. IPv6 is a classless addressing system. You can make

Re: IPv6 /64 links (was Re: ipv6 book recommendations?)

2012-06-19 Thread Alexandru Petrescu
I think, the length of Interface ID be 64 is so mostly because IEEE works now with 64bit EUI identifiers (instead of older 48bit MAC addresses). I.e. compatibility between IEEE and IETF IPv6 would be the main reason for this Interface ID to be 64. And this is so, even though there are IEEE links

Re: subnet prefix length > 64 breaks IPv6?

2012-01-04 Thread Alexandru Petrescu
Le 03/01/2012 23:36, Owen DeLong a écrit : On Dec 24, 2011, at 6:48 AM, Glen Kent wrote: SLAAC only works with /64 - yes - but only if it runs on Ethernet-like Interface ID's of 64bit length (RFC2464). Ok, the last 64 bits of the 128 bit address identifies an Interface ID which is uniquely

Re: subnet prefix length > 64 breaks IPv6?

2011-12-29 Thread Alexandru Petrescu
Le 28/12/2011 16:45, sth...@nethelp.no a écrit : If every route is nicely split at the 64-bit boundary, then it saves a step in matching the prefix. Admittedly a very inexpensive step. My point here is that IPv6 is still defined as "longest prefix match", :-) yes agree, except that it's not

Re: subnet prefix length > 64 breaks IPv6?

2011-12-29 Thread Alexandru Petrescu
Le 28/12/2011 13:13, Ray Soucy a écrit : On Wed, Dec 28, 2011 at 6:23 AM, Iljitsch van Beijnum wrote: Also somehow the rule that all normal address space must use 64-bit interface identifiers found its way into the specs for no reason that I have ever been able to uncover. On the other hand th

Re: subnet prefix length > 64 breaks IPv6?

2011-12-24 Thread Alexandru Petrescu
Le 24/12/2011 11:58, Karl Auer a écrit : On Sat, 2011-12-24 at 15:37 +0530, Glen Kent wrote: Ok. So does SLAAC break with masks> 64? "Break" is not the right word. SLAAC only works with /64, But that is by design. SLAAC only works with /64 - yes - but only if it runs on Ethernet-like Interf

Re: Consumer Grade - IPV6 Enabled Router Firewalls.

2009-12-12 Thread Alexandru Petrescu
Mohacsi Janos a écrit : On Thu, 3 Dec 2009, Matthew Moyle-Croft wrote: Mohacsi Janos wrote: According to Apple the latest Apple Airport Extreme does support DHCPv6 prefix delegation and native IPv6 uplink not only 6to4. Airports don't support DHCPv6 PD yet. I'm led to believe that th

Re: Consumer Grade - IPV6 Enabled Router Firewalls.

2009-12-12 Thread Alexandru Petrescu
Frank Bulk a écrit : I think they're (all) listed here: http://www.getipv6.info/index.php/Broadband_CPE And from an operators perspective (not manufacturer): Free ISP ADSL (and fiber) operator in France does IPv6 natively to the end user with Router Advertisement since 2 years now. I think t