[c-nsp] Routing table

[Gert Doering]

Hi,

On Mon, Jul 25, 2005 at 05:27:05PM +0300, Jean-Christophe Varaillon wrote:
> Is there a way to have the Border-routers to check only among the 10
> prefixes to route traffic from the Internet to the Internal-Routers?

The border routers need to know *which* prefixes are internal - and
to figure that out, they need to lookup the target IP addresses in
the whole table.

>From a border router's routing table view (RIB/FIB), the only difference
between an "external" and "internal" route is where the route's next-hop
points to - and you don't know that before you've checked.

gert

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Gert Doering - Munich, Germany                             gert at greenie.muc.de
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