OSPF (v2 and v3) - Implement, troubleshoot and optimize OSPF convergence and scalability - Metrics

3 important questions on OSPF (v2 and v3) - Implement, troubleshoot and optimize OSPF convergence and scalability - Metrics

What is formula for OSPF cost link and what is the default for reference_BW?

Cost= reference_BW/Interface_BW

reference_BW=100 mbit/sec

What is the command to change the default OSPF cost?

(config-router) auto-cost reference-bandwitdh

What is the interface command tot change the default OSPF cost?

R1(config-if) ip ospf cost cost

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