[175116] in North American Network Operators' Group
Re: IPv6 Default Allocation - What size allocation are you giving out
daemon@ATHENA.MIT.EDU (Paul S.)
Thu Oct 9 10:52:09 2014
X-Original-To: nanog@nanog.org
Date: Thu, 09 Oct 2014 23:41:56 +0900
From: "Paul S." <contact@winterei.se>
To: nanog@nanog.org
In-Reply-To: <1890137137.134876.1412865099546.JavaMail.zimbra@snappytelecom.net>
Errors-To: nanog-bounces@nanog.org
I've been using /36s per location, but hm -- great question.
How easy is it to get a larger allocation anyway? In RIPE, i.e: you just
ask and get a /29 with no questions asked.
On 10/9/2014 午後 11:31, Faisal Imtiaz wrote:
>>> Selection of a default prefix is easy. Here are the steps.
>>>
>>> 4. Keeping in mind
>>>
>>> 4.1 Prefixes longer than somewhere around /48 to /56 may be
>>> excluded from the global routing table
>> 4.1a Prefix cutouts of any size (including /48) from inside your /32
>> or larger block may be excluded from the global routing table. Folks
>> who are multihomed and thus need to advertise their own block with BGP
>> should be referred to ARIN for a direct assignment. Folks who aren't
>> multihomed, well, until given evidence otherwise I claim there are no
>> single-homed entities who will use 65,000 LANs, let alone more.
> =============================================
>
> This brings up another interesting question...
>
> We operate Two separate networks in two geographical locations (Two ASN), we have a single /32 allocation from ARIN.
>
> Question: Should we be asking ARIN for another /32 so that each network has it's own /32 or should be break out the /32 into /36 and use these in each of the geographies ?
>
>
> Regards
>
> Faisal Imtiaz
> Snappy Internet & Telecom
