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DES-7200 Configuration Guide Chapter 10 Redundancy Configuration for Management
Module
10-4
Caution
These features do not support high availability for the status datas
are not synchronized. When enabling high availability, these
functions can not be used, or it may lead to system abnormity. When
enabling these functions, the system status is changed from
Standby Hot to Boot Hot and the system can only synchronize
running-config, such as GRRP.
10.1.3 Key Technology of NSF
The key technologies of implementing NSF include:
Status synchronization
The the master management module synchronizes the running status with the
slave one in order to enable the slave one to be a substitute for the master one at
any time without noticeable changes.
Configuration synchronization
It synchronizes the configurations of the functions that are not associated with
NAF directly. The user configuration keeps consistent during the switchover by
the synchronization of running-config and startup-config.