Re: BGP sync - Why? Why not?

The simplest explanation I have found for real world scenarios is given by
Philip Smith from Cisco in his presentation that can be found on the NANOG
website. He states that it is not feasible to wait for the ~222,000 prefixes
to synchronize in IGP (OSPF/ISIS) before BGP will select the path. You can
hear this explanation about 1:11 into the presentation. However, I do not
know how to apply this to the lab, other than best practice??

Thank you
MikeN

On Fri, Nov 19, 2010 at 8:39 AM, --Hammer-- <bhmccie_at_gmail.com> wrote:

> OK, I understand what synchronization is and how it works. So, all the
> videos/audios/labs/etc. always say to explicitly disable it (I know it's
> disabled by default). What I'm struggling with is why? If the end all
> result
> of a lab is "full" reachibility and the lab doesn't disallow
> synchronization, then isn't it helping us? I know I'm missing the big point
> here but I don't see why it's a bad thing. Can someone enlighten me? The
> byproduct would be that your troubleshooting might be a little different..
>
>
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>
> --Hammer
>
>
>
> "I was a normal American nerd."
> -Jack Herer
>
>
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Received on Fri Nov 19 2010 - 09:12:39 ART