[121604] in North American Network Operators' Group

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Re: Using /31 for router links

daemon@ATHENA.MIT.EDU (Tony Varriale)
Fri Jan 22 20:24:09 2010

From: "Tony Varriale" <tvarriale@comcast.net>
To: "nanOG list" <nanog@nanog.org>
Date: Fri, 22 Jan 2010 19:23:15 -0600
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

Shouldn't be any issues...it's 2010 :)

And, your IP allocation utilization will love you.

tv
----- Original Message ----- 
From: "Seth Mattinen" <sethm@rollernet.us>
To: "nanOG list" <nanog@nanog.org>
Sent: Friday, January 22, 2010 6:08 PM
Subject: Using /31 for router links


> In the past I've always used /30's for PTP connection subnets out of old 
> habit (i.e. Ethernet that won't take unnumbered) but now I'm considering 
> switching to /31's in order to stretch my IPv4 space further. Has anyone 
> else does this? Good? Bad? Based on the bit of testing I've done this 
> shouldn't be a problem since it's only between routers.
> 
> ~Seth
>


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