Chapter 4 Troubleshooting the System
Using Cable Interface Debug Commands
Debug Spectrum Management
This command activates debugging of spectrum management (frequency agility) on the HFC network. When this command is activated, messages generated because of spectrum group activity are displayed on the Cisco uBR7200 series console. Spectrum group activity can be additions or changes to spectrum groups, or frequency and power level changes controlled by spectrum groups. The format for the command follows:
CMTS01# debug cable specmgmt
To deactivate debugging of cable spectrum management, use the no debug cable specmgmt command:
CMTS01# no debug cable specmgmt
Debug Channel Allocations
This command activates debugging of channel allocations on the HFC network. When this command is activated, messages generated when channels are allocated to cable modems on the HFC network are displayed on the Cisco uBR7200 series console. The format for the command follows:
CMTS01# debug cable startalloc
To deactivate debugging of cable channel allocations, use the no debug cable startalloc command:
CMTS01# no debug cable startalloc
Debug CMTS Transmissions
This command activates debugging of transmissions from the Cisco uBR7200 series across the HFC network. When this command is activated, messages generated at the headend are displayed on the Cisco uBR7200 series console. The format for the command follows:
CMTS01# debug cable transmit
To deactivate debugging of cable transmissions, use the no debug cable transmit command:
CMTS01# no debug cable transmit
Debug Upstream Channel Change (UCC) Messages
This command activates debugging of upstream channel change (UCC) messages generated when cable modems request or are assigned a new channel. When this command is activated, messages related to upstream channel changes are displayed on the Cisco uBR7200 series console. The format for the command follows:
CMTS01# debug cable ucc
To deactivate debugging of cable upstream channel changes, use the following command:
CMTS01# no debug cable ucc
Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide
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