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HPE7-A08 · Question #161

You have applied the following OSPF configuration but are not seeing any output from the command below. What is the reason for this?

The correct answer is D. A different OSPF process ID is used on each switch. Each switch is running OSPF under the same VRF but using different OSPF process IDs (Agg-1 uses process 1, Agg-2 uses process 2). On Aruba CX, OSPF adjacencies only form between routers using the same OSPF process ID within the same VRF, so the devices never establish a…

Implement and Troubleshoot HPE Aruba Networking CX Switch Solutions

Question

You have applied the following OSPF configuration but are not seeing any output from the command below. What is the reason for this?

Exhibits

HPE7-A08 question #161 exhibit 1
HPE7-A08 question #161 exhibit 2

Options

  • AA loopback interface hasn't been configured on Agg-2.
  • BA VRF wasn't specified in the show command.
  • COSPF interfaces are passive by default.
  • DA different OSPF process ID is used on each switch.

How the community answered

(67 responses)
  • A
    13% (9)
  • B
    6% (4)
  • C
    25% (17)
  • D
    55% (37)

Explanation

Each switch is running OSPF under the same VRF but using different OSPF process IDs (Agg-1 uses process 1, Agg-2 uses process 2). On Aruba CX, OSPF adjacencies only form between routers using the same OSPF process ID within the same VRF, so the devices never establish a neighbor relationship.

Topics

#OSPF#process ID mismatch#routing adjacency#troubleshooting

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