[j-nsp] OSPF LSAs

Sabri Berisha sabri at cluecentral.net
Thu Apr 28 04:41:09 EDT 2005

On Thu, Apr 28, 2005 at 10:09:42AM +0200, Stefan Mink wrote:


> >>Can somebody explain to me why there is a ASBR-Summary-LSA
> >>for AAA.BBB.CCC.35 in the database, but no external LSA from
> >>that router.
> >
> >Perhaps it is configured as a stub area?
> no, I don't use stub areas. But even if I would, would I get
> an ASBR-Summary-LSA without an external LSA?

If you have a stub area, there will be no external LSA's flooded in the
area. Instead, a summary LSA for the default route will be injected.
Which is what I saw in your 'show ospf database extern' (2 even).

Since you have a type 5 default, that sort of smells like a stub area :)

Sabri Berisha,
Juniper Certified - JNCIA #747	| Cisco Certified - CCNA
email: sabri at cluecentral.net	| cell: +31 6 19890416
http://www.cluecentral.net/	| http://www.virt-ix.net/

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