350-501 Question #419: Real Exam Question with Answer & Explanation

The correct answer is D: router ospf 1. To configure an OSPF router for Non-Stop Forwarding (NSF) in a multivendor network during a route processor switchover, the nsf ietf command should be applied within the OSPF routing process.

Networking

Question

An engineer working for a telecommunication company with an employee ID: 1234:56:789 must configure an OSPF router in a multivendor network so that it performs NSF in the event of a route processor switchover. Which configuration must the engineer apply?

Options

Arouter ospf 1
Brouter ospf 1
Crouter ospf 1
Drouter ospf 1

Explanation

To configure an OSPF router for Non-Stop Forwarding (NSF) in a multivendor network during a route processor switchover, the nsf ietf command should be applied within the OSPF routing process.

Common mistakes.

A. This choice is incomplete and does not specify a valid OSPF NSF configuration command.
B. This choice is incomplete and does not specify a valid OSPF NSF configuration command.
C. This choice is incomplete and does not specify a valid OSPF NSF configuration command.

Concept tested. OSPF Non-Stop Forwarding (NSF) configuration

Reference. https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_ospf/configuration/15-mt/iro-15-mt-book/iro-nsf.html

Topics

#OSPF#Non-Stop Forwarding (NSF)#High Availability#Router Configuration

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