Installation guide

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Cisco uBR7100 Series Universal Broadband Router Software Configuration Guide
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Chapter 5 Troubleshooting the System
Using Cable Interface debug Commands
debug cable receive Command (Upstream Messages)
This command activates debugging of upstream messages from cable interfaces. When this command is
activated, any messages generated by cable interfaces and sent to the Cisco uBR7100 series router will
be displayed on the Cisco uBR7100 series router 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 reg Command (Modem Registration Requests)
This command activates debugging of registration requests from cable interfaces on the HFC network.
When this command is activated, messages generated by cable interfaces as they make requests to
connect to the network are displayed on the Cisco uBR7100 series router 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 reset Command (Messages)
This command activates debugging of reset messages from cable interfaces on the HFC network. When
this command is activated, reset messages generated by cable interfaces are displayed on the
Cisco uBR7100 series router 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
debug cable specmgmt Command (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 uBR7100 series router 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 following command:
CMTS01# no debug cable specmgmt