Re: OSPF Sham links in real life

No, it's not a common practice Jack or at least I haven't seen them from
providers. Maybe because its a manual process, although its a very good idea
to have LSA Flooding across super-backbone.

-- 
-- 
Sincerely,
Shawn Zandi
Network Architect and Consultant
Cisco Certified CCIE x2 (R&S + Security)
Juniper JNCIS x2 (ER & SEC) - Foundry/Brocade BCNE - Procurve Master ASE
(MASE)
Dubai Internet City
web: http://www.shafagh.com
blog: http://blog.shafagh.com
email: shafagh_at_shafagh.com
On Wed, Sep 8, 2010 at 12:26 AM, Jack Router <pan.router_at_gmail.com> wrote:
> In my workbooks sham-links are presented as a way of tricking the router to
> send traffic via MPLS cloud and not via the backup link, when OSPF is
> redistributed via MBGP.
> My question is:
> On real networks, is it practical to configure sham links even if no backup
> links are installed? The reason for this would be to avoid confusion with O
> and IA routes, so routes originated in the same area are seen as internal
> routes O and not inter-area IA.
>
> thx
Blogs and organic groups at http://www.ccie.net