[c-nsp] OSPF Default Route Injection

[Leah Lynch (Contractor)]

I am pretty sure default routes are always type-5 because they contain
no native link data. But, I don't think the spec calls this out
specifically. I am wondering if anyone out there has seen a default
route that was not a type-5, and if so, could they post a snippet of
that LSA database?


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Kevin Hatem
Sent: Thursday, March 18, 2010 10:34 AM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] OSPF Default Route Injection

If two routers are injecting a default route under OSPF then each router
will retain their own default route in the route table as each other's
injected default route has the same distance as its self advertised
default.  You could set a higher/lower distance on inbound
advertisements from the neighbors to influence the installation of the
default route into the RIB.

HTH
-kevin

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of David Granzer
Sent: Thursday, March 18, 2010 09:13
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] OSPF Default Route Injection

Hello,

please could someone explain what exactly command "default-information
originate always" under ospf process works ?  When you have more than
one router configured with this default route injection is correct
behavior that you don't see on these routers default route in their ip
routing table from other routers and you see only external lsa for
0.0.0.0 in ospf database ?

Thanks,
David
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