Cisco Systems uBR7200 Series manual Show Clock Hardware Information and Register Values

Chapter 4 Troubleshooting the System

Managing the Cisco uBR7246 VXR Clock Card

The following sample output from the show cable clock command shows 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

Show Clock Hardware Information and Register Values

To display hardware information, register values, and current counters for the cable clock card, use the show controllers clock-referenceprivileged EXEC command.

show controllers clock-reference

Tips To reset the counters that are displayed with the show controllers clock-referencecommand, use the Clear Clock Counters command.

The following is sample output from the show controllers clock-referencecommand:

Router# show controllers clock-reference

National clock card with T1 controller

Control register		:0x4
Status register		:0x54
LIU	Config Register 0:0x0
LIU	Config Register 1:0x0

1 events reported in 266636 seconds Primary active :1, LOS :0 Secondary active :0, LOS :1 Holdovers :0, HW faults :0

Show Clock Diagnostic Information

To display diagnostic information for the cable modem cards, use the show diag command in privileged EXEC mode.

Tips Use the show diag command to display diagnostic information about the port adapters installed in the router. This command also displays information about the cable clock card, if installed.

Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide

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