Chapter 2
Configuring the Cable Modem Termination System for the First Time
Saving Your Configuration Settings
To store the configuration or changes to your startup configuration in NVRAM, enter the
copy running-config startup-config command at the
Router# copy running-config startup-config
This command saves the configuration settings you set using configuration mode, the Setup facility, or
AutoInstall.
If you do not save your settings, your configuration will be lost the next time you reload the router.
Tip
Reviewing Your Settings and Configurations
You can check your settings and review any changes to your configuration using various software
commands.
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Viewing Sample Configuration Files
This section provides examples of Cisco uBR10012 router configuration files. To view the current
configuration of a Cisco uBR10012 router, enter the show running-config command at the
command-line interface (CLI) prompt in EXEC mode or privileged EXEC mode.
Baseline Privacy Interface Configuration Files
The Cisco uBR10000 series CMTS supports 56-bit and 40-bit encryption and decryption; 56 bit is the default.
After you choose a CMTS image that supports Baseline Privacy Interface (BPI), BPI is enabled by default for
the Cisco uBR10000 series CMTS. Key commands that appear in the Cisco uBR10012 router configuration
file that denote that encryption and decryption are supported include:
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Note
The cable interface must also support encryption and decryption.
OL-1520-05
To view information specific to the hardware and cable interface configuration on your
Cisco uBR10012 router, use show commands.
Use this command to verify the downstream center frequency:
–
Router# show controllers cable slot/port downstream
–
Use this command to verify the current value of an upstream port frequency:
Router# show controllers cable slot/port upstream
Use this command to check the value of the settings you entered:
–
Router# show running-config
To review changes you make to the configuration, use the EXEC show startup-config command to
display the information stored in NVRAM.
int cable 5/0/0
cable privacy kek grace-time 800
cable privacy kek life-time 750000
cable privacy tek grace-time 800
cable privacy tek life-time 56000
cable privacy enable
cable privacy mandatory
Router#
Cisco uBR10012 Universal Broadband Router Software Configuration Guide
Saving Your Configuration Settings
prompt:
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