[170235] in North American Network Operators' Group
Re: misunderstanding scale
daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Tue Mar 25 09:53:52 2014
To: Mark Andrews <marka@isc.org>
In-Reply-To: Your message of "Tue, 25 Mar 2014 16:31:17 +1100."
<20140325053117.9A41011C5724@rock.dv.isc.org>
From: Valdis.Kletnieks@vt.edu
Date: Tue, 25 Mar 2014 09:52:01 -0400
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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On Tue, 25 Mar 2014 16:31:17 +1100, Mark Andrews said:
> My bet is the number needing more that a single /64 will exceed the number
> needing just a /64. Most phones really need two /64 for tethering and
> currently there are lots of kludges to work around only one being available.
As a data point, cerowrt (an openwrt fork) will ask upstream for a /60 or /56
via dhcp-pd, and then burn a /64 for each logical subnet. On a WNDR3800,
it can burn 9 /64s out of the box, and more if you start doing VLAN stuff...
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