Chapter 4 Troubleshooting the System
Using Cable Interface Debug Commands
Debug Cable Modem Ranging Messages
This command activates debugging of ranging messages from cable modems on the HFC network. When this command is activated, ranging messages generated when cable modems request or change their upstream frequencies are displayed on the Cisco uBR7200 series console. The format for the command follows:
CMTS01# debug cable range
To deactivate debugging of cable modem ranging, use the following command:
CMTS01# no debug cable range
Debug Upstream Messages
This command activates debugging of upstream messages from cable modems. When this command is activated, any messages generated by cable modems and sent to the Cisco uBR7200 series will be displayed on the Cisco uBR7200 series console. The format for the command follows:
CMTS01# debug cable receive
To deactivate debugging of upstream messages, use the following command:
CMTS01# no debug cable receive
Debug Cable Modem Registration Requests
This command activates debugging of registration requests from cable modems on the HFC network. When this command is activated, messages generated by cable modems as they make requests to connect to the network are displayed on the Cisco uBR7200 series console. The format for the command follows:
CMTS01# debug cable reg
To deactivate debugging of cable registration, use the following command:
CMTS01# no debug cable reg
Debug Cable Modem Reset Messages
This command activates debugging of reset messages from cable modems on the HFC network. When this command is activated, reset messages generated by cable modems are displayed on the
Cisco uBR7200 series console. The format for the command follows:
CMTS01# debug cable reset
To deactivate debugging of cable reset messages, use the following command:
CMTS01# no debug cable reset
Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide
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