[c-nsp] Aggregate label not generated

Pshem Kowalczyk pshem.k at gmail.com
Thu Jun 19 00:38:05 EDT 2008


Hi


2008/6/19 Peter Rathlev <peter at rathlev.dk>:
> Well, AFAIK "default-information originate" is needed to advertise
> defaults also in VRFs. But if PE1 and PE2 are the same HW/SW that
> shouldn't be the case here, i.e. 0.0.0.0/1 doesn't seem to be considered
> a "default".
>
> If I understand it correctly, for a label to be assigned by the router
> the prefix needs to exist in the RIB "on itself". If the route from PE1,
> and not the locally generated route, is installed in the RIB, and the
> route uses Default-IP-Routing-Table as next hop via a
> Loopback-to-Loopback LSP (L3VPN) you won't have a local label.
>
> The route from PE1 is preferred since BGP admin distance is less than
> the 250 assigned to the static.

The question here is why is there no label on PE1 at all? It has a
locally connected interface that gets into bgp using a network
statement - it should generate a label for it. Unless I'm completely
wrong here ...

kind regards
Pshem


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