A network engineer new to a company notices that a particular Layer 3 device participating in routing OSPF networks has an interface the engineer has not seen before in the output of the show ip ospf interface brief command. The interface is listed as VL0 and has a state of P2P with an OSPF neighbor. Which OSPF feature is the company using?

Apr 16, 2021 Last Updated: Apr 16, 2021 No Comments
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IT Questions Bank › Category: CCNP › A network engineer new to a company notices that a particular Layer 3 device participating in routing OSPF networks has an interface the engineer has not seen before in the output of the show ip ospf interface brief command. The interface is listed as VL0 and has a state of P2P with an OSPF neighbor. Which OSPF feature is the company using?

Question:

A network engineer new to a company notices that a particular Layer 3 device participating in routing OSPF networks has an interface the engineer has not seen before in the output of the show ip ospf interface brief command. The interface is listed as VL0 and has a state of P2P with an OSPF neighbor. Which OSPF feature is the company using?

  • a virtual interface
  • a summarization of OSPF virtual interfaces
  • an OSPF VPN
  • a virtual link

Explanation: When two Layer 3 devices are each configured with the area area-id virtual-link endpoint-RID command, a virtual link is formed. To verify that the virtual link is up, use the show ip ospf virtual-links command. The virtual link also appears as an OSPF VL interface within the output of the show ip ospf interface [brief] command.

Exam with this question: CCNP ENARSI 8 Modules 6 - 10 Checkpoint Exam: OSPF Exam

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