[quagga-users 14586] Re: only advertise network when internal IF is up?

Am 13.01.2017 um 09:32 schrieb Paul Tobias:
> This is usually done by originating your prefixes on the core router.
>
> In your case, set up a BGP session with the router on the other side of
> the link, and originate your prefix from there.
>
> Core router <-- iBGP --> Border router <-- eBGP --> Peer router
>
> On the core router you have `network x.x.x.x/x` in your configuration.
> On the border router you don't have any `network` prefixes, just
> advertise the prefixes you get from the core router to the peer.
>
> When the link between the core and border router goes down, you will
> stop advertising the prefixes to the peer (so the traffic will be routed
> over a backup path).
Hi Paul,

Thanks for your reply! I also thought about this, but I have 2 core 
routers handling/advertising /22.
Is there a way to summarize on quagga to /20 for both core routers?

Thanks!

Michael