Set Network-Clocks - Cisco ME 3800X Command Reference Manual

Chapter

set network-clocks

To force selection of a particular Synchronous Ethernet (SyncE) network clock or to configure automatic
clock selection, use the set network-clocks command in privileged EXEC mode.
Note There is not a no version of this command.
Syntax Description automatic
force-select
next-select
Defaults
The default is automatic.
Command Modes
Privileged EXEC
Command History Release
12.2(52)EY
Usage Guidelines
The input network clock reference selection can be forced or automatically selected using an algorithm
based on the highest priority valid input clock.
•
•
You use the network-clock-select mode {nonrevert | revert} global configuration command to set the
mode.
You can use set network-clocks next-select command to scroll through the set of available clocks.
After you force the network clock selection by entering the set network-clocks force-select or set
network-clocks next-select command, the system remains locked to the selected clock even if it
becomes invalid.
You can verify your settings by entering the show network-clock privileged EXEC command.
Examples This example shows how to set clock selection to automatic:
Switch# set network-clocks automatic
OL-28238-01
set network-clocks {automatic | force-select | next-select}
Modification
This command was introduced.
In revertive mode, the forced clock automatically becomes the selected reference.
In non-revertive mode, the forced clock is selected only with the existing reference is invalidated or
made unavailable.
Selects automatic clock selection. The clock with the highest priority
is always automatically selected as the input clock.
Forces the system to reselect a valid network clock with the highest
priority.
Forces the system to select the valid clock with the next highest
priority.
Cisco ME 3800X and ME 3600X Switch Command Reference
set network-clocks
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