CCNA Routing and Switching Portable Command Guide, Third Edition

Chapter 20. Password-Recovery Procedures and the Configuration Register

This chapter provides information and commands concerning the following topics:

▪ The configuration register

— A visual representation

— What the bits mean

— The boot field

— Console terminal baud rate settings

— Changing the console line speed: CLI

— Changing the console line speed: ROM Monitor mode

▪ Password-recovery procedures for Cisco routers

▪ Password-recovery procedures for 2960 series switches

The Configuration Register

A Visual Representation

The configuration register is a 16-bit field stored in NVRAM. The bits are numbered from 15 to 0 looking at the bit stream ...