[147879] in North American Network Operators' Group
Re: subnet prefix length > 64 breaks IPv6?
daemon@ATHENA.MIT.EDU (Glen Kent)
Sat Dec 24 05:08:03 2011
In-Reply-To: <20111224.080822.74721455.sthaug@nethelp.no>
Date: Sat, 24 Dec 2011 15:37:02 +0530
From: Glen Kent <glen.kent@gmail.com>
To: sthaug@nethelp.no
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Ok. So does SLAAC break with masks > 64?
Glen
On Sat, Dec 24, 2011 at 12:38 PM, <sthaug@nethelp.no> wrote:
>> I am not sure if this is the reason as this only applies to the link
>> local IP address. One could still assign a global IPv6 address. So,
>> why does basic IPv6 (ND process, etc) break if i use a netmask of say
>> /120?
>
> As long as you assign addresses statically, IPv6 works just fine with a
> netmask > 64. We've been using this for several years now. No problem.
>
> Steinar Haug, Nethelp consulting, sthaug@nethelp.no