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ospf filter routes

Dear community,

I have a scenario where one CGN have two internal routers with OSPF, each one have his own process ospf in the CGN, both routers publish one network in commun with the same distance and metric.

The CGN select one of them to put in FIB, but, we need to put in FIB table the route anonced by the second router (10.87.0.1)

Any ideas how to solve?


###################

TH-CGN01[cgn](config)#sh ip route 100.88.0.1

Routing entry for 100.88.0.1/32

Known via "ospf" process id is "1", distance 110, metric 20, best

Last update 00:00:29 ago

* 10.84.21.17, via ethernet 3


Routing entry for 100.88.0.1/32

Known via "ospf" process id is "2", distance 110, metric 20

Last update 00:01:03 ago

10.87.0.1, via ethernet 6


Routing entry for 100.88.0.1/32

Known via "ospf" process id is "100", distance 110, metric 100

Last update 00:01:02 ago

10.87.0.50, via ethernet 4

TH-CGN01[cgn](config)#

###################

###config router CGN1

router ospf 1

 bfd all-interfaces

 log-adjacency-changes detail

 network 10.84.21.16 0.0.0.15 area 0

 router-id 10.84.21.18

 default-information originate route-map DF_OSPF

!

router ospf 2

 bfd all-interfaces

 log-adjacency-changes detail

 network 10.87.0.0 0.0.0.7 area 0

 router-id 10.87.0.2

 default-information originate route-map DF_OSPF

!

###################

###config router CGN1

router ospf 1

 bfd all-interfaces

 log-adjacency-changes detail

 network 10.84.21.16 0.0.0.15 area 0

 router-id 10.84.21.19

 default-information originate route-map DF_OSPF

!

router ospf 2

 bfd all-interfaces

 log-adjacency-changes detail

 network 10.87.0.0 0.0.0.7 area 0

 router-id 10.87.0.3

 default-information originate route-map DF_OSPF

!


Thanks !!!

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