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debug cable mac-protocol
debug cable mac-protocol
To display MAC-layer information for a specific CM, use the debug cable mac command in privileged
EXEC mode. The no form of this command disables debugging output.
Syntax Description
This command has no arguments or keywords.
Command Modes
Privileged EXEC
Command History
Release
12.1 T
Usage Guidelines
Do not use this command if you have a large number of CMs on your network. The Cisco CMTS will
become flooded with console printouts.
Examples
The following example shows the return for the MAC layer:
router# debug cable mac-protocol
CMTS mac debugging is on
19:46:27: Ranging Modem with Sid 1 on i/f : Cable6/0/U0
19:46:27: Got a ranging request
19:46:27: SID value is 1 on Interface Cable6/0/U0
19:46:27: CM mac address 00:E0:1E:B2:BB:07
19:46:27: Timing offset is 0
19:46:27: Power value is FE0, or 0 dB
19:46:27: Freq Error = 0, Freq offset is 0
19:46:27: Ranging has been successful for SID 1 on Interface Cable6/0/U0
19:46:29: Ranging Modem with Sid 2 on i/f : Cable6/0/U0
19:46:29: Got a ranging request
19:46:29: SID value is 2 on Interface Cable6/0/U0
19:46:29: CM mac address 00:E0:1E:B2:BB:8F
19:46:29: Timing offset is 1
19:46:29: Power value is 1350, or 0 dB
19:46:29: Freq Error = 0, Freq offset is 0
19:46:29: Ranging has been successful for SID 2 on Interface Cable6/0/U0
19:46:32: Ranging Modem with Sid 3 on i/f : Cable6/0/U0
19:46:32: Got a ranging request
19:46:32: SID value is 3 on Interface Cable6/0/U0
19:46:32: CM mac address 00:E0:1E:B2:BB:B1
19:46:32: Timing offset is FFFFFFFF
19:46:32: Power value is 1890, or -1 dB
Cisco Broadband Cable Command Reference Guide
5-50
debug cable mac-protocol
no debug cable mac-protocol
Modification
This command was introduced.
Chapter 5
Cisco CMTS Debugging Commands
OL-1581-08
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