[6bone] v6 and ADSL

Tim Chown tjc@ecs.soton.ac.uk
Wed, 23 Jul 2003 16:37:10 +0100


On Wed, Jul 23, 2003 at 08:44:57AM -0500, Todd T. Fries wrote:
> Are you an isp like entity?  Sounds like it.  Do you have 200 customers (or
> plan on having such in 2 years?)  possibly.
> 
> You should consider getting your own allocation of a /48.

I guess you mean a /32 :)
 
> Allocating /80's to clients is _not_ recommended.  It breaks the spirit of
> IPv6 allocation.  Using point-to-point IP's is not strictly necessary with

And breaks stateless autoconfiguration completely.

> most IPv6 implementations, so long as there is a global ip on either end.
> But you can easily do the point-to-ponit IP's in one /64 and then allocate
> /48's to each customer if you have your own /32.
> 
> Again, allocating /80's is not what I would recommend.
> 
> I'm prep'ing to upgrade a cisco to v6 capable ios, at which time I'll be able
> to serve myself and others native v6 over adsl, no 6to4 involved.  In the
> future, there will be a /32 allocated, and assigning /48's to customers will
> be easy.  Getting them to use them is the hard part *grin* but I expect a few
> will want to use them, including myself.  I'll help my provider be the only
> isp in the city that will provide native IPv6, which I hope will benifit them
> more than I or they realize *grin*.
> 
> Anybody in the OKC area ready for native IPv6 over adsl in the next 6 months?

I guess OKC isn't in England? ;-)

> -- 
> Todd Fries .. todd@fries.net
> 
> 
> Free Daemon Consulting, LLC                    Land: 405-748-4596
> http://FreeDaemonConsulting.com              Mobile: 405-203-6124
> "..in support of free software solutions."
> 
> Key fingerprint: 37E7 D3EB 74D0 8D66 A68D  B866 0326 204E 3F42 004A
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> 
> (last updated 2003/03/13 07:14:10)
> 
> Penned by Dan Reeder on Wed, Jul 23, 2003 at 11:30:00PM +1000, we have:
> | Firstly, thanks to everyone for your speedy comments.
> | 
> | I guess I should clarify what I'm wanting to do. I'm planning on obtaining a
> | /48 from a Tier1 isp here in Australia, then divde that both into point to
> | point links for our client's dsl tails, and /64 or /80 allocations for the
> | clients own internal use.
> | I know the cisco 827 would be fairly ideal to use as far as native
> | connectivity goes, but it is fairly expensive when compared with other
> | broadband routers on the market that small to medium sized businesses would
> | use. Also, I'm not too sure what IOS it would need, and if thats
> | commercially available. Anyone know of more affordable equivilants?
> | 
> | The alternative is to run some sort of 6-in-4 tunnelling... again, having a
> | supportable CPE solution would be best... I've even tossed up the idea of
> | setting cheap/small intel box running linux of some sort... :-\ but the more
> | professional the better.
> | 
> | any thoughts?
> | Dan
> | 
> | ----- Original Message ----- 
> | From: "Christian Strauf (JOIN)" <ipng@uni-muenster.de>
> | To: "Nir Arad" <nir.arad@il.marvell.com>
> | Cc: <6bone@ISI.EDU>
> | Sent: Wednesday, July 23, 2003 7:11 PM
> | Subject: Re: [6bone] v6 and ADSL
> | 
> | 
> | > Hi Nir,
> | >
> | > Am Mit, 2003-07-23 um 11.06 schrieb Nir Arad:
> | > > If I understand ISATAP correctly, you need a globally unique /64 prefix.
> | > > I assume Dan does not have one, and would want to rely on his (globally
> | unique, dynamically assigned) IPv4 address.
> | > > This IPv4 address can be used to form a 6to4 address, and connect to a
> | 6to4 relay.
> | > You need this /64 prefix for the server (not for the client) which then
> | > assigns IP-addresses to ISATAP clients within this prefix. So in a way,
> | > if Dan has access to an ISATAP-server, this would solve his problem.
> | > It's probably not as easy a solution as 6to4 but I wanted to point out
> | > this option. But it's incorrect that Dan himself needs his own /64
> | > prefix. A provider or other entity that runs the ISATAP-server needs a
> | > prefix.
> | >
> | > > Now, assuming again, that Dan does not have a home network with private
> | addresses behind his ADSL modem (but only one
> | > > host), and since he needs 6to4 anyway, what would be the reasoning in
> | using ISATAP in such configuration?
> | > See above: the primary function of ISATAP is to connect one client, not
> | > a whole net. Basically: ISATAP integrates single clients into a site
> | > that has a certain prefix and advertises this prefix to connected
> | > clients.
> | >
> | > Cheers,
> | > Christian
> | >
> | > -- 
> | > JOIN - IP Version 6 in the WiN  Christian Strauf
> | > A DFN project                   Westfälische Wilhelms-Universität Münster
> | > http://www.join.uni-muenster.de Zentrum für Informationsverarbeitung
> | > Team: join@uni-muenster.de      Röntgenstrasse 9-13
> | > Priv: strauf@uni-muenster.de    D-48149 Münster / Germany
> | > GPG-/PGP-Key-ID: 1DFAAA9A       Fon: +49 251 83 31639, Fax: +49 251 83
> | 31653
> | >
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> | 
> | 
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