Nice. /jim > -----Original Message----- > From: Michael Banta [mailto:[EMAIL PROTECTED] > Sent: Thursday, March 17, 2005 6:17 PM > To: Bound, Jim > Cc: [email protected] > Subject: Re: 6to4 question > > It is a linux router running MDK10.1. It is a cable > connection with a > static ip. Dayton, OH. > > I am soo close! Just can't get there. > > Thanks > > Bound, Jim wrote: > > >thats cool. What router is that? Are you on xDSL or Cable? What > >geography? > >this is a good list and good discussion for sure. > >thanks > >/jim > > > > > > > >>-----Original Message----- > >>From: Michael Banta [mailto:[EMAIL PROTECTED] > >>Sent: Thursday, March 17, 2005 6:09 PM > >>To: Bound, Jim > >>Cc: [email protected] > >>Subject: Re: 6to4 question > >> > >>I have protocol 41 allowed to pass on my router. > >> > >>Bound, Jim wrote: > >> > >> > >> > >>>Thats where Teredo can help otherwise you need to be able to > >>> > >>> > >>get inside > >> > >> > >>>your router to permit protocol 41 and encap Ipv6, which some > >>> > >>> > >>hard core > >> > >> > >>>operator type engineers I know have done. This is a huge > problem for > >>>many. It basically is a bummer. > >>> > >>>/jim > >>> > >>> > >>> > >>> > >>> > >>>>-----Original Message----- > >>>>From: Michael Banta [mailto:[EMAIL PROTECTED] > >>>>Sent: Thursday, March 17, 2005 12:57 PM > >>>>To: Bound, Jim; [email protected] > >>>>Subject: Re: 6to4 question > >>>> > >>>>I don't know. My linux router works fine, say going to > >>>> > >>>> > >>kame.net, or > >> > >> > >>>>pinging it via ipv6. Not sure how to handle my inside behind > >>>>a firewall > >>>>with nat clients having private ips (10.0.10.x). > >>>> > >>>>Bound, Jim wrote: > >>>> > >>>> > >>>> > >>>> > >>>> > >>>>>If you have a valid IPv6 prefix why use 6to4 addreses at > >>>>> > >>>>> > >>>>> > >>>>> > >>>>all? Why not > >>>> > >>>> > >>>> > >>>> > >>>>>just deprecate 6to4 and move to IPv6 addresses directly? > >>>>> > >>>>>thanks > >>>>>/jim > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>>>-----Original Message----- > >>>>>>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > >>>>>>Behalf Of Fredrik Tolf > >>>>>>Sent: Wednesday, March 16, 2005 6:38 AM > >>>>>>To: Michael Banta > >>>>>>Cc: [EMAIL PROTECTED]; [email protected] > >>>>>>Subject: Re: 6to4 question > >>>>>> > >>>>>>On Wed, 2005-03-16 at 04:41 -0500, Michael Banta wrote: > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>>>I am aware of a full ip address, just figured I would spare > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>you the full > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>>>address since it is not pertenant to the question. > >>>>>>> > >>>>>>>I keep reading that with 6to4 addresses, they are supposed > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>to start with > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>>>2002: prefixes so that autoconfiguration can take place > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>with the clients. > >>>>>> > >>>>>>6to4 address are something quite different from a block > >>>>>>provided through > >>>>>>a tunnel. a 2001 address is a "real" IPv6 address -- that is, > >>>>>>a part of > >>>>>>the IPv6 Internet with no IPv4 dependencies. > >>>>>> > >>>>>>6to4 addresses (i.e. those starting with 2002), on the > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>other hand, are > >>>> > >>>> > >>>> > >>>> > >>>>>>part of the IPv4-to-IPv6 migration plan. If you have a globally > >>>>>>aggregatable IPv4 address (i.e. an IPv4 address that anyone > >>>>>>on the IPv4 > >>>>>>internet can send packets to, such as _not_ a part of the > >>>>>>192.168.0.0/24 > >>>>>>blocks), you are, with 6to4, automatically given a /48 > >>>>>> > >>>>>> > >>IPv6 subnet. > >> > >> > >>>>>>I know I haven't really explained this very well at this > >>>>>>point, so I'll > >>>>>>try with an example. I'm using 6to4. I have a static > IPv4 address, > >>>>>>82.182.133.20. Written in hexadecimal, that is 52.b6.85.14. > >>>>>>Using that, > >>>>>>I can construct my automatic 6to4 subnet: > >>>>>>2002:52b6:8414::/48. I, too am > >>>>>>using a Linux router with radvd, and the computer I'm > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>typing this from > >>>> > >>>> > >>>> > >>>> > >>>>>>has gotten the > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>address2002:52b6:8514:200:20c:76ff:fe3b:a3f4. The nice > >>>> > >>>> > >>>> > >>>> > >>>>>>thing with this is that I need no tunnel provider. The bad > >>>>>>thing is, of > >>>>>>course, that it depends on IPv4. > >>>>>> > >>>>>>The way 6to4 works is that when my router detects an > outgoing IPv6 > >>>>>>packet, it first checks the destination address. If it starts > >>>>>>with 2002, > >>>>>>it rolls the packet inside an IPv4 packet, checks bits 16 > >>>>>>through 48 in > >>>>>>the destination address, and put those in the IPv4 > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>destination address > >>>> > >>>> > >>>> > >>>> > >>>>>>field. For example, when communicating with my friend, > >>>>>> > >>>>>> > >>who also uses > >> > >> > >>>>>>6to4 and has the IPv4 address 213.132.111.101, I send a > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>packet to her > >>>> > >>>> > >>>> > >>>> > >>>>>>IPv6 address, 2002:d584:6f65::1. My router extracts > >>>>>>d584:6f65, which is > >>>>>>213.132.111.101 in hexadecimal, and puts that in the > IPv4 packet's > >>>>>>destination address field, puts the IPv6 packet as the IPv4 > >>>>>>payload, and > >>>>>>sends the packet. When her computer picks it up, it > >>>>>> > >>>>>> > >>unwraps the IPv6 > >> > >> > >>>>>>packet and uses it. > >>>>>>When communicating with a non-6to4 address, my router sends > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>it, again > >>>> > >>>> > >>>> > >>>> > >>>>>>wrapped in an IPv4 packet, to a IPv4-to-IPv6 router on > >>>>>> > >>>>>> > >>the Internet. > >> > >> > >>>>>>Many ISPs support the anycast address 192.88.99.1, which > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>always means > >>>> > >>>> > >>>> > >>>> > >>>>>>"the closest IPv4-to-IPv6 router". When a non-6to4 host > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>wishes to send > >>>> > >>>> > >>>> > >>>> > >>>>>>v6 packets to me, it just sends them normally and the > >>>>>> > >>>>>> > >>IPv6 Internet > >> > >> > >>>>>>backbone will route them to the closest IPv6-to-IPv4 router, > >>>>>>which will > >>>>>>wrap their package in an IPv4 packet, check the IPv6 > >>>>>>destination address > >>>>>>(2002:52b6:8514:X) and calculate the proper IPv4 destination > >>>>>>address (my > >>>>>>82.182.133.20 address) from that, and send it to me over > >>>>>>IPv4. My router > >>>>>>will then unwrap it when it gets it, and forward it over > >>>>>> > >>>>>> > >>my internal > >> > >> > >>>>>>IPv6 network. > >>>>>> > >>>>>>So as you see, 6to4 addresses are something quite > >>>>>> > >>>>>> > >>different from the > >> > >> > >>>>>>2001::/48 block that you got from your tunnel provider. > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>>>The /48 was given to me by the provider. I am aware of the > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>addresses > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>>>construction, just can't figure out how to get the clients > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>to connect > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>>>through the router. > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>I still don't really understand what your actual problem > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>is, after all > >>>> > >>>> > >>>> > >>>> > >>>>>>this. > >>>>>> > >>>>>>Hope this helps. > >>>>>>Fredrik Tolf > >>>>>> > >>>>>>------------------------------------------------------------ > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>--------- > >>>> > >>>> > >>>> > >>>> > >>>>>>The IPv6 Users Mailing List > >>>>>>Unsubscribe by sending "unsubscribe users" to [EMAIL PROTECTED] > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>----------------------------------------------------------- > ---------- > >>>The IPv6 Users Mailing List > >>>Unsubscribe by sending "unsubscribe users" to [EMAIL PROTECTED] > >>> > >>> > >>> > >>> > >>> > >>> > > > > > > > > >
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