Re: IPv6 Default Allocation - What size allocation are you giving out

[Owen DeLong <owen () delong com>]

On Oct 9, 2014, at 7:31 AM, Faisal Imtiaz <faisal () snappytelecom net> 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 ?

Depends on your needs… Either is a viable solution, depending on your circumstances. ARIN has an MDN policy which would 
facilitate your acquisition of a second /32.

Owen