7210 SAS-MXP, R6, R12, S, SX, T BASIC SYSTEM
CONFIGURATION GUIDE RELEASE 22.9.R1
System management
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6.4.4 Configuration guidelines for synchronization of active and standby CPM on
7210 SAS-R6 and 7210 SAS-R12
The following configuration guidelines apply when synchronizing the active and standby CPMs on the
7210 SAS-R6 and 7210 SAS-R12 systems:
•
The active and standby CPM should boot from same boot drives (cf1:\, cf2:\, or uf:\). For
example, if the active CPM is booted from cf1:\, the standby CPM must use cf1:\ to bootup.
Although it is possible to make the CPMs operational by booting them using any drive on active and
standby, Nokia recommends that the same drives should be used to boot the system.
•
The user should ensure that a valid bootstrap image (boot.tim) and BOF (bof.cfg) exist in the
cf1:\, cf2:\, or uf1:\ drive of both active and stand-by CPM cards. The user must verify that
bof.cfg resides on the same drive as the boot.tim.
•
The TiMOS application images (cpm.tim and iom.tim) and the configuration file can reside in any
location (local or remote), but the locations in the BOF should be configured identically on both active
and standby CPM for primary, secondary, and tertiary locations.
• Boot-env synchronization must be performed before config synchronization. To do so, run the admin
redundancy synchronize boot-env command, followed by the admin redundancy synchronize
config command.
• Synchronization can only occur locally between compact flash drives cf1:Active to cf1:Standby,
cf2:Active to cf2:Standby, and uf1:Active to uf1:Standby. Synchronization across different drives is not
supported.
• 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
Note:
See the information in this section andsee the 7210 SAS OS Software Release Notes 11.0Rx for
information about network synchronization options supported on each 7210 SAS platform.
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
Note:
Synchronous Ethernet and IEEE1588v2 PTP are not supported on virtual chassis (VCs).
3HE 18197 AAAB TQZZA
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