Really? You just say 'Gimme v6 please' to APNIC and they do. -- Skeeve Stevens, CEO/Technical Director eintellego Pty Ltd - The Networking Specialists ske...@eintellego.net / www.eintellego.net Phone: 1300 753 383, Fax: (+612) 8572 9954 Cell +61 (0)414 753 383 / skype://skeeve www.linkedin.com/in/skeeve ; facebook.com/eintellego -- NOC, NOC, who's there?
> -----Original Message----- > From: Jeroen Massar [mailto:jer...@unfix.org] > Sent: Saturday, 15 August 2009 1:18 AM > To: Chris Gotstein > Cc: Nanog > Subject: Re: IPv6 Addressing Help > > Chris Gotstein wrote: > > We are a small ISP that is in the process of setting up IPv6 on our > > network. We already have the ARIN allocation and i have a couple > > routers and servers running dual stack. Wondering if someone out > > there would be willing to give me a few pointers on setting up my > > addressing scheme? > > Strange, I recall that you had to submit one when requesting address > space from ARIN. Why don't you use that one? > > > I've been mulling over how to do it, and i think i'm making it more > > complicated than it needs to be. You can hit me offlist if you wish > > to help. Thanks. > > It all depends on your network and how you want to set it up, but for > the sake of internal aggregation: > * Determine the expected amount of IPv6 customers at a certain > location for the next X years, making X > 2 (though 10 is probably a > better idea, just in case, if don't want to do it again ;) ) > * Take that number round it up to a power of 2 > * Every customer gets a /48, you know the number, which is a power of > 2, thus root it, and you know how many bits you need at that site > > eg expect 200 customers, round to power of 2 thus 256, which is 2^8, > thus you will need a /48 + 8 bits = /40 at that location. > > You now know how much address space you need at that location for the > next X years. > > Repeat that for all your locations / routing areas, basically the PoPs > or termination points of your customers; or if you are really big do > that per city/town/suburb. Keep enough space (the rounding helps there > quite a bit, especially with numbers like 50k customers ;) > > Now you have an overview of what you expect to be allocating at each > and every site. To add a little growth/future proof and to make live > easy, you could either opt at this stage to round everything off to > 'nice' > numbers, eg only use /40's or /36's per PoP. Thus making everything the > same, or doing things like grouping smaller PoPs together. > > Then when you have done that, take those blocks, and try to squeeze > them a bit together. You should now have arrived to the address plan > that you originally submitted to ARIN. > > Fill those blocks into a nice database, roll a PHP/shell/perl/whatever > script to spit out your router configuration and presto: you are done. > > Enjoy the weekend ;) > > Greets, > Jeroen >