Cisco Catalyst 4500 Series, Software Configuration Manual

Page: 173 / 2086

3-29
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 3 Configuring the Switch for the First Time
Modifying the Supervisor Engine Startup Configuration
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:
To modify the configuration register while the switch is running Cisco IOS software, perform this task:
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:
Command Purpose
Step 1
Switch# show version
Determines the current configuration register setting.
Step 2
Switch# configure terminal
Enters configuration mode, and specify the terminal option.
Step 3
Switch(config)# config-register value Modifies the existing configuration register setting to reflect
the way you want the switch to load a system image.
Step 4
Switch(config)# end
Exits configuration mode.
Step 5
Switch# reload
Reboots the switch to make your changes take effect.
Command Purpose
Step 1
Switch# enable
Enters the privileged EXEC mode. Enter the password if
required.
Step 2
Switch# configure terminal
Enters configuration mode, and specifies the terminal option.
Step 3
Switch(config)# config-register 0x102 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 ).
Step 4
Switch(config)# end
Exits configuration mode. The new value settings are saved to
memory; however, the new settings do not take effect until the
system is rebooted.
Step 5
Switch# show version
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)
Step 6
Save your settings.
See the “Saving the Running Configuration Settings to Your
Start-Up File” section on page 3-10 . Note that configuration
register changes take effect only after the system reloads, such
as when you enter a
reload command from the console.
Step 7
Switch# reload
The new configuration register value takes effect with the next
system boot up.