[c-nsp] Options for customer prefix injection into iBGP at the edge

[Gert Doering]

Hi,

On Thu, Sep 03, 2009 at 02:31:10PM -0500, Justin Shore wrote:
> A third option is redistributing statics into BGP.  This gives me the 
> opportunity to tag specific prefixes and filter them with a route-map so 
> I only redistribute the prefixes that I want redistributed.  I can also 
> name static routes.  I need a static route anyway to tack up the route 
> for outbound advertisement and to prevent loops.  

That's what we do.  Default is "export", and there's a tag for "no export"
(because that's something we only need very infrequently).

> The downside is that I 
> hate using redistribution.  I'm not a big fan of it.  I've been bit too 
> many times to consider redistribution a good method of doing anything. 

We haven't had any issues with "static -> <anything>" redistribution.

Effectively, having a "network" statement plus a static route is not
so different - just twice the configuration effort.

gert
-- 
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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