7210 SAS-M, T, R6, R12, Mxp, Sx, S Basic System
Configuration Guide
System Management
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• If the active and standby CPM are not synchronized for some reason, users can
manually synchronize the standby CPM by running the admin redundancy
synchronize boot-env CLI command, and rebooting the standby CPM by
running the admin reboot standby command.
6.5 Network Synchronization
This section describes the network synchronization capabilities available
on7210 SAS platforms. These capabilities involve multiple approaches to network
timing, including Synchronous Ethernet, PTP/1588v2, adaptive timing, and others.
These features address barriers to entry as follows:
• provide synchronization quality required by mobile networks, such as radio
operations and circuit emulation services (CES) transport
• augment and potentially replace the existing (SONET/SDH) timing infrastructure
and deliver high quality network timing for time-sensitive wireline applications
Network synchronization is commonly distributed in a hierarchical master-slave
topology at the physical layer, as shown in Figure 23.
Note: See the information in this section and refer to the 7210 SAS OS Software Release
Notes 11.0Rx for information about network synchronization options supported on each
7210 SAS platform.
Note: Synchronous Ethernet and IEEE1588v2 PTP are not supported on virtual chassis
(VCs).
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