Re: OSPF Sham links in real life

The providers do not offer OSPF to the edge for this very reason. The
scalability is a pain and not very practical. They will tell you BGP or
statics please. Of course, if the price is right, they WILL make exceptions.
:-)

Paul

-- 
Paul Negron
CCIE# 14856 CCSI# 22752
Senior Technical Instructor
www.micronicstraining.com
> From: Jack Router <pan.router_at_gmail.com>
> Reply-To: Jack Router <pan.router_at_gmail.com>
> Date: Tue, 7 Sep 2010 16:26:34 -0400
> To: 'Cisco certification' <ccielab_at_groupstudy.com>
> Subject: OSPF Sham links in real life
> 
> 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
> 
> 
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