Network Synchronization Support
Configuring Network Synchronization
7
Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide
Note The Line to External feature is not supported on the Cisco ASR 1002-X Router.
Configuring Network Synchronization
You can configure network synchronization on the Cisco ASR 1000 Series Routers by performing one
of the following procedures:
• Configuring Clock Recovery from SyncE, page 7
• Configuring Clock Recovery from a BITS Port, page 8
• Configuring SyncE by Using the Line to External Feature, page 10
Configuring Clock Recovery from SyncE
This section describes how to configure clock recovery by using the SyncE method.
SUMMARY STEPS
1. configure terminal
2. network-clock synchronization automatic
3. network-clock synchronization ssm option {1 | 2 {GEN1 | GEN2}}
4. interface gigabitethernet slot/card/port
5. synchronous mode
6. exit
7. network-clock input-source priority {interface interface-name slot/card/port | {external
slot/card/port}}
8. exit
DETAILED STEPS
Examples
The following example shows how to configure clock recovery from SyncE:
Router# configure terminal
Router(config)# network-clock sync
hronization automatic
Router(config)# network-clock sync
hronization ssm option 2 GEN1
Router(config)# interface gigabite
thernet 0/2/0
Router(config-if)# synchronous mod
e
Router(config)# exit
Router(config)# network-clock inpu
t-source 1 interface gigabitethernet 0/2/0
Router(config)# exit
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