Purpose
Command
Configures the automatic selection process for
quality-level QL-enabled mode.
QL-enabled mode succeeds only if there are
any synchronization interfaces that are
capable of sending SSM.
Note
Router(config)# [no] network-clock
synchronization mode QL-enabled
Example:
Router(config)#
network-clock synchronization
mode QL-enabled
Enables or disables the ESMC process at the system
level.
This command fails if no SyncE-capable
interface is installed on the platform.
Note
Router(config)# [no] esmc process
Example:
Router(config)#
esmc process
Configures general hold-off timer in milliseconds.
The default value is 300 milliseconds.
Displays a warning message for values
below 300 ms and above 1800 ms.
Note
Router(config)# network-clock hold-off {0 |
<50-10000>} global
Example:
Router(config)# network-clock hold-off 75
global
Overrides hold-off timer value for external interface.
Displays a warning message for values above
1800 ms, as waiting longer causes the clock
to go into the holdover mode.
Note
Router(config)# network-clock external
<slot/card/port> hold-off {0 | <50-10000>}
Example:
Router(config)# network-clock external 3/1/1
hold-off 300
Sets the value for the wait-to-restore timer globally.
The wait to restore time is configurable in the range
of 0 to 86400 seconds. The default value is 300
seconds.
Ensure that you set the wait-to-restore
values above 50 seconds to avoid a timing
flap.
Caution
Router(config)# network-clock wait-to-restore
<0-86400> global
Example:
Router(config)# network-clock external
wait-to-restore
1000 global
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
136
OL-14127-17
Configuring the Ethernet SPAs
Configuring the Network Clock for the 2-Port Gigabit Synchronous Ethernet SPA on a Cisco ASR 1000 Series Router