[104655] in North American Network Operators' Group
Re: Splitting ARIN assignment
daemon@ATHENA.MIT.EDU (Yamasaki, Charles)
Thu May 22 14:51:55 2008
Date: Thu, 22 May 2008 11:50:09 -0700
From: "Yamasaki, Charles" <Charles.Yamasaki@move.com>
To: Joe Maimon <jmaimon@ttec.com>
In-Reply-To: <4835BF3D.7040902@ttec.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
Sorry, typo'd the /21. He wants to carve into /22.
On 5/22/08 11:45 AM, "Joe Maimon" <jmaimon@ttec.com> wrote:
>
>
> Yamasaki, Charles wrote:
>>> Make sure that your two location is inter-connected directly,
>>
>> Why is this required? If you put static routes to point the remote /21 to
>> the upstream provider on each side wouldn't that take care of the origin AS
>> loop?
>
> Origin AS is easily handled by the allow-as-in neighbor command and
> better replaced with more flexible as-path and prefix-lists in route-maps.
>
> The interconnection is required to be able to advertise the entire space
> as a "covering" prefix at both sites.
>
> Doing that without interconnectivity and using your static route idea
> would generate routing loops.
Charles Yamasaki
Manager Network Engineering
Move Inc.
30700 Russell Ranch Rd
Westlake Village, CA 91362
O: 805.557.3829
M: 805.603.6492
F: 805.557.3870
