harry at juniper
May 10, 2012, 10:27 AM
Post #4 of 4
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Perhaps at the time, the node did not have an area 0 adjacency. With active-backbone detection as a default (can be disabled), such a node won't generate a default.
Regards
-----Original Message-----
From: juniper-nsp-bounces [at] puck [mailto:juniper-nsp-bounces [at] puck] On Behalf Of Serge Vautour
Sent: Thursday, May 10, 2012 10:12 AM
To: juniper-nsp [at] puck
Subject: Re: [j-nsp] Default route in OSPF NSSA
Well I'm almost certain I had tried that and it had just stopped advertising a default all together. It's working now:
nssa {
default-lsa default-metric 1;
no-summaries;
}
Thanks,Serge
________________________________
From: Harry Reynolds <harry [at] juniper>
To: Serge Vautour <serge [at] nbnet>; "juniper-nsp [at] puck" <juniper-nsp [at] puck>
Sent: Thursday, May 10, 2012 1:14:52 PM
Subject: Re: [j-nsp] Default route in OSPF NSSA
IIRC, the juni will send a type 3 network summary if you remove the type-7 statement, which is forcing it to generate a NSSA type 7 external for the default.
HTHs
-----Original Message-----
From: juniper-nsp-bounces [at] puck [mailto:juniper-nsp-bounces [at] puck] On Behalf Of Serge Vautour
Sent: Thursday, May 10, 2012 8:57 AM
To: juniper-nsp [at] puck
Subject: [j-nsp] Default route in OSPF NSSA
Hello,
I've used the following config on an MX960 to generate a default route into an OSPF NSSA area:
area 0.0.1.2 {
nssa {
default-lsa {
default-metric 1;
type-7;
}
no-summaries;
}
}
It works but the default route shows up as an N1 type route (OSPF NSSA external type):
O*N1 0.0.0.0/0 [110/11] via 4.5.6.7, VLAN7, 00:01:01
When I configure what I think is the equivalent on a Cisco router running IOS XR it sends an O IA route (OSPF Inter Area):
O*IA 0.0.0.0/0 [110/11] via 1.2.3.4, VLAN9, 20:36:59
The AR box always prefers the "O IA" route over the N1 route as expected. I can't seem to find knobs on either box to change between N1 and O IA.
Would anyone know how to change this in Junos?
Thanks,
Serge
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