From: David FAHED (dfahed@xxxxxxxxxxxx)
Date: Thu Jan 18 2001 - 22:37:40 GMT-3
An OSPF ASBR will not automatically advertise a default route into their
routing domains, even when one exits (ip route 0.0.0.0). The default route
must be advertised into OSPF domain in type 5 LSA. When you redistribute a
static default route, the router don't know that it is an ASBR so it can't
generate a LSA type 5. The command default-information originate informs the
OSPF router that it is an ASBR.
It is the same thing for ISIS!
Hope this help!
Harbir Kohli wrote:
> Hi,
>
> I am trying to redistribute a static default route into OSPF. I tried:
>
> ip route 0.0.0.0 0.0.0.0 173.168.40.2
> router ospf 1
> redistribute static subnets metric 500 metric-type 1
>
> it does not work Why?
>
> If I do a default-information originate that does work. I still want to
> know why redistributing a static default route into OSPF does not work?
>
> Thanks
>
> Harbir
>
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