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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Configuring Network Clock in Interface Configuration Mode 22-6
Understanding SSM and ESMC 22-7
Synchronization Status Message 22-7
Ethernet Synchronization Messaging Channel 22-7
Clock Selection Algorithm 22-7
ESMC behavior for Port Channels 22-8
ESMC behavior for STP Blocked Ports 22-8
Configuring ESMC in Global Configuration Mode 22-8
Configuring ESMC in Interface Configuration Mode 22-9
Verifying ESMC Configuration 22-10
Managing Synchronization 22-11
Synchronization Example 22-12
Configuring Synchronous Ethernet for Copper Ports 22-13
Verifying the Synchronous Ethernet configuration 22-13
Troubleshooting Tips 22-16
Troubleshooting ESMC Configuration 22-17
Configuring PTP for the Cisco ASR 901 Router 22-18
Restrictions 22-18
Setting System Time to Current Time 22-19
Configuring PTP Ordinary Clock 22-19
Configuring Master Ordinary Clock 22-19
Configuring Slave Ordinary Clock 22-21
Configuring PTP in Unicast Mode 22-25
Configuring PTP in Unicast Negotiation Mode 22-25
PTP Boundary Clock 22-26
Configuring PTP Boundary Clock 22-27
Verifying PTP modes 22-29
Verifying PTP Configuration on the 1588V2 Slave 22-31
Verifying PTP Configuration on the 1588V2 Master 22-32
PTP Hybrid Clock 22-34
Configuring a Hybrid Ordinary Clock 22-34
Configuring a Hybrid Boundary Clock 22-37
Verifying Hybrid modes 22-38
SSM and PTP Interaction 22-39
ClockClass Mapping 22-40
Telecom Profiles 22-40
PTP Redundancy 22-40
Configuring Telecom Profile in Slave Ordinary Clock 22-41
Configuring Telecom Profile in Master Ordinary Clock 22-43
Verifying Telecom profile 22-44