Cisco ASR1006 Configuration Guide - Page 351
Managing Synchronization on the Cisco ASR 1000 Series Router
UPC - 882658196423
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Network Synchronization Support Configuring Network Synchronization Managing Synchronization on the Cisco ASR 1000 Series Router Manage synchronization on a Cisco ASR 1000 Series Router using the following management commands: • Quality-Level-Enabled Clock Selection Use the network-clock synchronization mode QL-enabled command in the global configuration mode to configure the automatic selection process for the QL-enabled mode. This succeeds only if the SyncE interfaces are capable of sending SSMs. The following example shows how to configure network clock synchronization (QL-enabled mode) in the global configuration mode: Router(config)# network-clock synchronization mode QL-enabled • ESMC Process Use the esmc process command in the global configuration mode to enable the ESMC process at system level. The no form of the command disables the ESMC process. The no form of the command fails if there is no SyncE-capable interface is installed in the platform. The following example shows how to enable ESMC in the global configuration mode: Router(config)# esmc process • ESMC Mode Use the esmc mode [tx | rx] command in the interface configuration mode to enable the ESMC process at the interface level. The no form of the command disables the ESMC process. The following example shows how to enable ESMC in the interface configuration mode: Router(config-if)# esmc mode tx • Network Clock Source Quality Level Use the network-clock quality-level command in the interface configuration mode to configure the QL value for ESMC on a gigabitethernet port. The value is based on global interworking options: - If Option 1 is configured, the available values are QL-PRC, QL-SSU-A, QL-SSU-B, QL-SEC, and QL-DNU. - If Option 2 is configured with GEN 2, the available values are QL-PRS, QL-STU, QL-ST2, QL-TNC, QL-ST3, QL-SMC, QL-ST4, and QL-DUS. - If Option 2 is configured with GEN1, the available values are QL-PRS, QL-STU, QL-ST2, QL-SMC, QL-ST4, and QL-DUS The following example shows how to configure the network-clock source quality-level in the interface configuration mode: Router(config-if)# network-clock source quality-level QL-PRC rx Use the network-clock quality-level command in the global configuration mode to configure the QL value for the SSMs on a BITS port. The following example shows how to configure network-clock quality-level in the global configuration mode: Router(config)# network-clock quality-level rx qL-pRC external R0 2048k • Wait-to-Restore Timer Use the network-clock wait-to-restore timer global command to set the wait-to-restore time. You can configure the wait-to-restore time to any value between 0 to 86400 seconds. The default value is 300 seconds. The wait-to-restore timer can be set in the global configuration mode and the interface configuration mode. The following example shows how to configure the wait-to-restore timer in the global configuration mode: Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide 11