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Chapter 2
Cisco CMTS Configuration Commands
Each CM or STB must also support VoIP applications and the clock feature set. For example, the
Cisco uBR924, running Cisco IOS Release 12.0(7)T or later releases, supports the clock card feature
automatically.
Examples
The following example shows how to force the timing reference for the cable clock card to come from
the secondary external source, when the clock card is in holdover mode:
router(config)# cable clock force secondary
Related Commands
Command
show cable clock
show controllers clock-reference
OL-1581-08
Description
Displays status information for the cable clock card.
Displays hardware information, register values, and current
counters for the cable clock card.
Cisco Broadband Cable Command Reference Guide
cable clock force
2-25
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