System Management
7750 SR OS Basic System Configuration Guide Page 293
System Timing
In the event that network timing is required for the synchronous interfaces in the 7750 SR-Series,
a timing subsystem is utilized to provide a clock to all synchronous interfaces within the system.
This section describes the commands used to configure and control the timing subsystem.
Use the CLI syntax displayed below to:
• Edit Mode on page 293
• Configuring Timing References on page 294
• Using the Revert Command on page 295
• Other Editing Commands on page 295
• Forcing a Specific Reference on page 296
Edit Mode
To enter the mode to edit timing references, you must enter the begin keyword at the
config>system>sync-if-timing# prompt.
Use the following CLI syntax to enter the edit mode:
CLI Syntax: config>system>sync-if-timing
begin
The following error message displays when the you try to modify sync-if-timing parameters
without entering begin first.
A:ALA-12>config>system>sync-if-timing>ref1# source-port 2/1/1
MINOR: CLI The sync-if-timing must be in edit mode by calling begin before any changes can
be made.
MINOR: CLI Unable to set source port for ref1 to 2/1/1.
A:ALA-12>config>system>sync-if-timing>ref1#