Cisco Broadband Cable Command Reference Guide

show cable clock
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Cisco Broadband Cable Command Reference Guide
Chapter 2 Cisco Cable Modem Termination System Commands
Examples The following sample output from the show cable clock command on a Cisco uBR7246VXR router
shows that both external sources are available and the clock card is providing the clock reference:
Router# show cable clock
Clockcard primary input is present
Clockcard secondary input is present
Cable clock reference is clockcard primary input
Cable3/0 Timestamp clock reference is from Clockcard
Cable4/0 Timestamp clock reference is from Clockcard
The following sample output from the show cable clock command on a Cisco uBR10012 router shows
that both external sources are available and that the TCC+ card in slot 1/1 is providing the clock
reference:
Router# show cable clock
Number of TCCplus Cards in the Chassis: 2
Active TCCplus Card is in slot: 1 subslot: 1
Backup TCCplus Card is in slot: 2 subslot: 1
Clock reference used by the active card is Primary T1
External T1 References:
Card: 1/1
Primary T1 : Available
Secondary T1: Available
Card: 2/1
Primary T1 : Available
Secondary T1: Available
The following sample output from the show cable clock command on a Cisco uBR10012 router shows
that the TCC+ card in slot 1/1 is in maintenance mode, and that the TCC+ card in slot 2/1 is providing
the clock reference:
Router# show cable clock
Number of TCCplus Cards in the Chassis: 2
TCCplus card in 1/1 under maintenance
Active TCCplus Card is in slot: 2 subslot: 1
Clock reference used by the active card is Primary T1
External T1 References:
Card: 2/1
Primary T1 : Available
Secondary T1: Available
Tip In Cisco IOS Release 12.1(12)EC, 12.2(8)BC1, and later releases, you can add a timestamp to show
commands using the exec prompt timestamp command in line configuration mode.
Related Commands Command Description
show controllers clock-reference Displays hardware information, register values, and current
counters for the cable clock card.
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