CCNP BSCI Portable Command Guide

CHAPTER 3. OSPF

This chapter provides information and commands concerning the following Open Shortest Path First (OSPF) topics:

• Configuring OSPF: Mandatory commands

• Using wildcard masks with OSPF areas

• Configuring OSPF: Optional commands

— Loopback interfaces

— Router ID

— DR/BDR elections

— Modifying cost metrics

— OSPF auto-cost reference-bandwidth

— Authentication: Simple

— Authentication: Using MD5 encryption

— Timers

— Configuring multi-area OSPF

— Propagating a default route

— OSPF and NBMA networks

— OSPF special area types

— Virtual Links: Configuration example

— Route summarization

• Verifying OSPF configuration

• Troubleshooting OSPF

• Configuration example: OSPF and NBMA networks

• Configuration example: OSPF and broadcast networks ...