[c-nsp] OSPF Cost vs Injected Default Route

[sven.cisco-nsp at huster.me.uk]

* a. Rahman Isnaini R suTan <risnaini at indo.net.id> [2006-03-23 18:54:27 +0700]:

> Dear Oliver & All,
> 
> 
> Let say 3 routers A, B and C running OSPF.
> A is ASBR, connected to B and C
> C connected to A directly & via B.
> 
> For router C which connected with two links :
>     - Primary (w/ default route injected from A)
>     - Secondary (w/ static default route + metric >110 to B)
> 
> In case of bad quality of primary link (not fully disconnected), I set cost 
> 5000 on interface router A towards C.
> The default route changed to secondary.
> 
> How cost can affect the changing of default route ?

So what does 'sh ip route 0.0.0.0 0.0.0.0' say in that case?

Does it really discard the OSPF learned route and use the static or is just
your path selection so that the next-hop for your learned default is now 
router B?

Cheers
Sven