Router# show running-config | section recovered-clock
recovered-clock 0 0
clock recovered 1 differential cem 1 0
Configuring Network Clock
To configure a network clock, use the following commands:
enable
configure terminal
controller E1/T1 0/5/0
clock source line
cem-group 0 unframed
exit
enable
configure terminal
network-clock input-source 1 controller E1/T1 0/5/0
exit
Verifying Network Clocking Configuration
Use show run | sec network-cl command to verify the network clocking configuration.
network-clock synchronization automatic
network-clock synchronization mode QL-enabled
network-clock input-source 1 controller E1 0/1/0
network-clock wait-to-restore 10 global
rtr1#sh netw synchronization
Symbols: En - Enable, Dis - Disable, Adis - Admin Disable
NA - Not Applicable
* - Synchronization source selected
# - Synchronization source force selected
& - Synchronization source manually switched
Automatic selection process : Enable
Equipment Clock : 2048 (EEC-Option1)
Clock Mode : QL-Enable
ESMC : Enabled
SSM Option : 1
T0 : E1 0/1/0
Hold-off (global) : 300 ms
Wait-to-restore (global) : 10 sec
Tsm Delay : 180 ms
Revertive : No
Nominated Interfaces
Interface SigType Mode/QL Prio QL_IN ESMC Tx ESMC Rx
Internal NA NA/Dis 251 QL-SEC NA NA
*E1 0/1/0 NA NA/Dis 1 QL-SEC NA NA
rtr1#
Associated Commands
The commands used to configure adaptive clock recovery and differential clock recovery are:
48-Port T1/E1 CEM Interface Module Configuration Guide, Cisco IOS XE Fuji 16.7.x (Cisco NCS 4200 Series)
36
Clock Recovery System for SAToP
Configuring Network Clock
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