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Getting Started Configuring Clock Synchronization on PTX Series Routers

System clocking on PTX Series Packet Transport Routers is controlled by a Centralized Clock Generator (CCG). The CCG is capable of deriving a primary clock from a valid source and synchronizing all interfaces on the chassis to this primary clock.

To quickly access the information you need, click on the link in Table 1.

Table 1: Locating the Information You Need to Configure Clock Synchronization on PTX Series Routers

Task You Need to Perform

Where The Information Is Located

Configure a clock source.

Synchronizing Internal Stratum 3 Clock to External Clock Sources on PTX Series Routers

synchronization (PTX Series)

Identify clock sources.

Clock Sources for PTX Series Packet Transport Routers

Change the clock source.

request chassis synchronization switch

Configure the clock source mode to be revertive or non-revertive.

switchover-mode

Verify the clock source is operational.

show chassis synchronization