Modifying The Boot Field - Cisco Catalyst 4500 Series Software Configuration Manual

Chapter 3 Configuring the Switch for the First Time
You must reload the switch for any changes to take effect.

Modifying the Boot Field

To modify the boot field from the software configuration register, perform this task:
Command
Step 1
Switch# show version
Step 2
Switch# configure terminal
Step 3
Switch(config)# config-register value
Step 4
Switch(config)# end
Step 5
Switch# reload
To modify the configuration register while the switch is running Cisco IOS software, perform this task:
Command
Step 1
Switch# enable
Step 2
Switch# configure terminal
Step 3
Switch(config)# config-register 0x102
Step 4
Switch(config)# end
Step 5
Switch# show version
Save your settings.
Step 6
Step 7
Switch# reload
Modifying the Configuration Register Value for Wireless Mode
On Catalyst 4500E Series Switches with Supervisor Engine 8-E, to boot the system in wireless mode,
perform this task:
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Modifying the Supervisor Engine Startup Configuration
Purpose
Determines the current configuration register setting.
Enters configuration mode, and specify the terminal option.
Modifies the existing configuration register setting to reflect
the way you want the switch to load a system image.
Exits configuration mode.
Reboots the switch to make your changes take effect.
Purpose
Enters the privileged EXEC mode. Enter the password if
required.
Enters configuration mode, and specifies the terminal option.
Sets the contents of the configuration register to the specified
value, where value is a hexadecimal number preceded by 0x
(see Table 3-3 on page 3-27).
Exits configuration mode. The new value settings are saved to
memory; however, the new settings do not take effect until the
system is rebooted.
Displays the configuration register value currently in effect.
The value is displayed on the last line of the screen display, as
shown in this sample output:
Configuration register is 0x141 (will be 0x102 at
next reload)
See the "Saving the Running Configuration Settings to Your
Start-Up File" section on page
register changes take effect only after the system reloads, such
as when you enter a reload command from the console.
The new configuration register value takes effect with the next
system boot up.
3-10. Note that configuration
3-29