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Defult route learning in OSPF

gaurav_thapar79
Level 1
Level 1

‎02-21-2008 05:11 AM - edited ‎03-03-2019 08:48 PM

Hi All,

Can any help me in understanding the issue with defult route injection?

R1 is connected to SP-1,PE router.

R2 is connected to SP-2,PE router.

Both service provider has configured OSPF sham Links.

Both R1 & R2 are connected to same switch.

"default-information originate always" configured in OSPF process on both R1&R2 routers.

The static default route is configured in R1 pointing towards Firewall IP address for reverse traffic.

I am unable to learn default route in R2 router from an immediate neighboe R1 router.

Idly, i should learn default route from R1 and advertise on OSPF sham link sothat all remote spoke location CE routers should learn from their respective PE routers.

Currently, i have delibrately given "default-information originate always" on R2 router to provide 0.0.0.0/0 to spoke routers.

Please share your comments and possible issue. I am ready to share the command outputs on this forum.

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aghaznavi
Level 5
Level 5

‎02-27-2008 08:39 AM

To have the Autonomous System Boundary Router (ASBR) generate a default route into the Open Shortest Path First (OSPF) domain, issue the default-information originate command.

http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094a74.shtml

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