Synchronization - Alcatel-Lucent 7450 Basic System Configuration Manual
Ethernet service switch /service router /extensible routing system
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- Quality of service manual (912 pages) ,
- Manual (816 pages) ,
- Configuration manual (778 pages)
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A manual switchover can occur under the following conditions:
Synchronization
Synchronization between the CPMs includes the following:
Configuration and boot-env Synchronization
Configuration and boot-env synchronization are supported in admin>redundancy>
synchronize and config>redundancy>synchronize contexts.
State Database Synchronization
If a new standby CPM is inserted into the system, it synchronizes with the active CPM upon
a successful boot process.
If the standby CPM is rebooted, it synchronizes with the active CPM upon a successful boot
process.
When configuration or state changes occur, an incremental synchronization is conducted
from the active CPM to the standby CPM.
If the synchronization fails, the standby does not reboot automatically. The show
redundancy synchronization command displays synchronization output information.
If the active and standby are not synchronized for some reason, users can manually
synchronize the standby CPM by rebooting the standby by issuing the admin reboot standby
command on the active or the standby CPM.
Basic System Configuration Guide
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A fault condition that causes the active CPM to crash or reboot.
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The active CPM is declared down (not responding).
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Online removal of the active CPM.
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To force a switchover from an active CPM to a standby, use the admin redundancy
force-switchover command. You can configure a batch file that executes after
failover by using the config system switchover-exec and admin redundancy force-
switchover now CLI commands.
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Configuration and boot-env Synchronization
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State Database Synchronization
System Management
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