On Mon, Jan 19, 2009 at 4:49 PM, Michael H. Warfield <[email protected]> wrote: > On Mon, 2009-01-19 at 16:31 -0500, John Drescher wrote: >> > Just don't load the IPv6 contracking module. Disabling IPv6 is >> > really >> > no longer an option and we might as well get use to it. IPv4 address >> > space run-out is now within the foreseeable future (ICANN and the RIR's >> > have no settled on the allocation of the FINAL /8's and some locals will >> > be out within the next year or two). I've been operational on the >> > global IPv6 network for well over 7 years now and there's just no more >> > excuse for this "head in the sand" approach to IPv6. >> > >> I usually disable ipv6 because all of my gigabit switches at work do >> not support ipv6 without a firmware update and I am not sure that all >> of them have firmware updates. > > That doesn't make sense. IPv6 is a higher layer protocol. Switches > will bridge and span based on MAC addresses on the link layer regardless > of the IP layer version. I have yet to see a switch not pass native > IPv6 properly (much less tunneled IPv6 in all its myriad forms). Even > my consumer level Linksys wireless router handles IPv6 properly (in > bridging mode). I was advertising IPv6 routes across our Cisco > switching fabric at work ages ago. It doesn't know or care about higher > levels. Routers are another matter. Switches are nothing. Test it. > I'll bet you discover it just works. I do routinely and I always do. > > OTOH... If they are managed switches, they might not recognize IPv6 > for their management ports. THAT may be what you need your firmware > update for. > Yes some are managed. > > I have yet to find a single spot on the Internet where I could not get > to IPv6 (including several cruise ships at sea), one way or the other > (yes, I have lots of tunneling tricks - they work real easy). After > presenting what to look for in some of my talks on the subject, people > have come back to me saying they had seen that on their networks for > ages and just didn't know what it was. > > Right now... According to Google, the US ranks 6th, in IPv6 adoption > as measured by their test project where they tested to see what clients > would preferentially connect to their IPv6 service (#1 was Russia - > maybe because of the hackers which are exploiting it to take advantage > of those who think they can ignore it). Main source of US traffic on > IPv6 was Mac's, which have IPv6 and 6to4 enabled in Mac OS X. Windows > XP has it (plus Teredo) available with only a couple of mouse clicks and > Windows Vista and Windows 7 have it enabled with no way to disable (and > had Teredo enabled as well). >
Thanks for the detailed response. John _______________________________________________ Users mailing list [email protected] https://openvz.org/mailman/listinfo/users
