[c-nsp] Hierarchical FIB on Cisco 7600

[redscorpion69]

Hi Christian.

I think I get now; I think using "bgp add-path install" installs route in
CEF, rather than route sitting in BGP table only. So no waiting on best
path selection process. But I don't think it's sitting in RIB, I mean it
doesn't use extra TCAM space, only DRAM?

Anyway, thanks all again.

Regards


On Sat, Apr 26, 2014 at 7:54 PM, Christian Meutes <christian at errxtx.net>wrote:

> On 26 Apr 2014, at 12:50, Cydon Satyr <cydonsatyr at gmail.com> wrote:
>
> > I see. But then is there any effect of having repair path installed with
> > "bgp additional-paths install" command on platform without Hierarchical
> > FIBs or is it purely cosmetic?
>
> Regardless of PIC through ADD-PATH you can make use of multiple pathes
> from same peer which otherwise would been hidden (eg. by route-reflectors).
> I guess with "bgp add-path install" you will have the backup prefix at
> least
> in your RIB and you aren't relying on other speakers convergence.
>
> Chris
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