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ospf Route Showing Rejectedwith Negative Metric

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Titleospf Route Showing Rejectedwith Negative Metric
Symptoms
routerA(su)->show ip route 192.168.0.0

IP Route Table for the base topology in VRF global
Codes: C-connected, S-static, R-RIP, B-BGP, O-OSPF, IA-OSPF interarea
N1-OSPF NSSA external type 1, N2-OSPF NSSA external type 2
E1-OSPF external type 1, E2-OSPF external type 2,
i-IS-IS, L1-IS-IS level-1, L2-IS-IS level-2

O 192.168.0.0/13 [-1/-1] reject 1h33m13s

Number of routes = 1


routerA(su)->show ip route 192.168.0.0

IP Route Table for the base topology in VRF global
Codes: C-connected, S-static, R-RIP, B-BGP, O-OSPF, IA-OSPF interarea
N1-OSPF NSSA external type 1, N2-OSPF NSSA external type 2
E1-OSPF external type 1, E2-OSPF external type 2,
i-IS-IS, L1-IS-IS level-1, L2-IS-IS level-2

O 192.168.0.0/13 [-1/-1] reject 1h33m13s

Number of routes = 1
routerA(su)->
routerA(su)->
routerA(su)->
Environment
  • S-Series
    OSPF range
  • K-Series
  • 7100-Series
Cause
When an aggregate ( summary range ) is being advertised into the backbone OSPF reports the route as a reject route to indicate it can reach the actual routes in that range on this router but not any other in the aggregate.
Resolution
Functioning as designed, no action required
Additional notes

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