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Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide
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Chapter 10 Synchronous Ethernet Support
Configuring Synchronous Ethernet
Examples
The following example shows how to configure clock recovery from a BITS port for Metronome SPA on
ASR 1000 Series Routers:
Router>enable
Router# configure terminal
Router(config)# network-clock synchronization automatic
Router(config)# network-clock synchronization ssm option 2 GEN1
Router(config)# network-clock input-source 1 External 0/0/0 t1 esf
Router(config)# exit
The following example shows how to configure clock recovery from a BITS port for RP BITS on ASR
1000 Series Routers with dual RP R0/R1:
Router>enable
Router# configure terminal
Router(config)# network-clock synchronization automatic
Router(config)# network-clock synchronization ssm option 2 GEN1
Router(config)# network-clock input-source 1 External R0 t1 esf
Router(config)# exit
Configuring a SyncE Using the Line-to-External Method
This section describes how to configure a SyncE using the Line-to-External method.
SUMMARY STEPS
1. enable
2. configure terminal
3. network-clock synchronization automatic
4. network-clock synchronization ssm option option_Id Generation_Id
5. interface gigabitethernet slot/port
6. synchronous mode
7. exit
8. network-clock output-source line priority {interface interface_name} {external slot/card/port}
9. exit
DETAILED STEPS
Command Purpose
Step 1
enable
Example:
Router# enable
Enables the privileged EXEC mode.
Enter your password if prompted.
Step 2
configure terminal
Example:
Router# configure terminal
Enters the global configuration mode.