nanog mailing list archives
Re: Using /126 for IPv6 router links
From: Owen DeLong <owen () delong com>
Date: Sat, 23 Jan 2010 18:24:26 -0800
On Jan 23, 2010, at 4:52 AM, Mathias Seiler wrote:
Hi In reference to the discussion about /31 for router links, I d'like to know what is your experience with IPv6 in this regard. I use a /126 if possible but have also configured one /64 just for the link between two routers. This works great but when I think that I'm wasting 2^64 - 2 addresses here it feels plain wrong. So what do you think? Good? Bad? Ugly? /127 ? ;)
Use the /64... It's OK... IPv6 was designed with that in mind. 64 bits is enough networks that if each network was an almond M&M, you would be able to fill all of the great lakes with M&Ms before you ran out of /64s. Owen
Cheers Mathias Seiler MiroNet GmbH, Strassburgerallee 86, CH-4055 Basel T +41 61 201 30 90, F +41 61 201 30 99 mathias.seiler () mironet ch www.mironet.ch
Current thread:
- Re: Using /126 for IPv6 router links, (continued)
- Re: Using /126 for IPv6 router links James Hess (Jan 23)
- Re: Using /126 for IPv6 router links Dobbins, Roland (Jan 23)
- Re: Using /126 for IPv6 router links James Hess (Jan 23)
- Re: Using /126 for IPv6 router links David Freedman (Jan 25)
- Re: Using /126 for IPv6 router links Christopher Morrow (Jan 23)
- Re: Using /126 for IPv6 router links Mark Smith (Jan 23)
- Re: Using /126 for IPv6 router links Christopher Morrow (Jan 23)
- Re: Using /126 for IPv6 router links Ron Bonica (Jan 26)
- Re: Using /126 for IPv6 router links Christopher Morrow (Jan 26)
- Re: Using /126 for IPv6 router links Larry Sheldon (Jan 23)
- Re: Using /126 for IPv6 router links Brandon Galbraith (Jan 23)
- Re: Using /126 for IPv6 router links Mark Smith (Jan 23)
- Re: Using /126 for IPv6 router links Owen DeLong (Jan 23)