On Oct 9, 2014, at 7:31 AM, Faisal Imtiaz <[email protected]> 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
