Specifications

16-16
Cisco MWR 2941 Mobile Wireless Edge Router Release 3.5 Software Configuration Guide, Cisco IOS Release 15.1(3)MR
OL-26895-01
Chapter 16 Configuring Clocking and Timing
Configuring Clocking and Timing
Configuring Synchronous Ethernet
The following sections describe how to configure synchronous Ethernet timing on the
Cisco MWR 2941.
Configuring an External Clock Source
To configure an external clock source using Synchronous Ethernet, use the network-clock select
command.
Router(config)# network-clock-select 2 SYNC 0
Configuring Synchronous Ethernet ESMC and SSM
For instructions on how to configure synchronous Ethernet Synchronization Message Channel (ESMC)
and Synchronization Status Message (SSM), see Chapter 17, “Configuring Synchronous Ethernet ESMC
and SSM.”
Verifying Clock-Related Settings
Use the following commands to verify the clock settings:
• show network-clocks—Displays information about the network clocks
• show controller—Displays the status of the controller, including clocking information.
• show ptp clock—Displays ptp clock information
• show ptp foreign-master-record—Displays PTP foreign master records
• show ptp parent—Displays PTP parent properties
• show ptp port—Displays PTP port properties
• show ptp time-property—Displays PTP clock time properties
• show interface virtual-cem 0/24—Displays the status of the CEM interface
• show cem circuit—Displays information about the CEM circuit
• show platform hardware—Displays the status of hardware devices on the Cisco MWR 2941.
Step 8
Router(config)#
network-clock-select 1
PACKET-TIMING
Router(config)#
network-clock-select hold-timeout
900
Configures the network clock.
Step 9
exit
Example:
Router(config)# exit
Router#
Exits configuration mode.
Command Purpose