Using Cable Interface Debug Commands; Debug Cable Arp; Debug Cable Error (For Mac Protocol Errors); Debug Cable Keyman (For Baseline Privacy Activity) - Cisco uBR10012 Software Configuration Manual

Chapter 6 Troubleshooting the System

Using Cable Interface debug Commands

To troubleshoot cable interfaces, use the following debug commands in enable (privileged EXEC) mode.
Command
debug cable ?
undebug all
The following commands can generate large amounts of output as the number of cable modems
Caution
grows. On heavily loaded systems with thousands of CMs, these commands can dramatically affect
router performance.

debug cable arp

To activate the debugging of Address Resolution Protocol (ARP) requests on the cable interfaces, use
the debug cable arp command in privileged EXEC mode. To deactivate debugging of ARP requests,
use the no form of this command.
When this command is activated, all cable ARP request messages are displayed on the
Cisco uBR10012 router console.

debug cable error (for MAC Protocol Errors)

To display errors that occur in the cable MAC protocols, use the debug cable error command in
privileged EXEC mode. To disable debugging output, use the no form of this command.
When this command is activated, all cable ARP request messages are displayed on the
Cisco uBR10012 router console. When this command is activated, any errors that occur in the cable
MAC protocol are displayed on the Cisco uBR10012 router console.

debug cable keyman (for Baseline Privacy Activity)

To activate the debugging of key encryption key (KEK) and traffic encryption key (TEK) BPI key
management, use the debug cable keyman command in privileged EXEC mode. To disable debugging
output, use the no form of this command.
When this command is activated, all activity related to KEK and TEK keys appears on the
Cisco uBR10012 router console.

debug cable mac-messages

To activate the debugging of messages generated in the cable MAC that frames and encrypts downstream
RF signals, use the debug cable mac-messages command in privileged EXEC mode. To deactivate the
debugging of cable MAC messages, use the no form of this command.
When this command is activated, messages generated by the cable MAC are displayed on the
Cisco uBR10000 series console.
OL-1520-05
Purpose
Displays all debug cable commands that are available.
Turns off all debugging information to the console and chooses a more selective
debug command.
Note Refer to the debug commands that follow.
debug cable arp
debug cable error
no debug cable error
debug cable keyman
no debug cable keyman
debug cable mac-messages
no debug cable mac-messages
Cisco uBR10012 Universal Broadband Router Software Configuration Guide
Using Cable Interface debug Commands
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