H3C S7500 Series Operation Manual

Also see for S7500 Series: Operation manual Operation manual Operation manual Operation manual Command manual

Contents

H3C S7500 Series Operation Manual Manual pdf 19 page image

Operation Manual – VRRP-HAH3C S7500 Series Ethernet Switches Chapter 2 HA Configuration2-2The configuration file of the slave board is copied from the master board in real time,which can ensure that the slave system continues to operate in the same configurationas that of the original active system after the master/slave switchover. S7506Rsupports automatic synchronization of the configuration file. The active system storesits configuration file and backs up the configuration file to the slave systemsimultaneously when the master's configuration file is modified, so as to ensure theconsistency of the configurations of the active system and slave system. And you canalso use command to manually synchronize the configuration file of the master andslave board.Besides, the system can monitor the power supply and the operating environment ofthe system and give timely alarms to avoid the escalation of failures and ensure safeoperation of the system.2.2 HA Configuration2.2.1 HA Configuration OverviewComplete the following tasks to configure HA:Task RemarksSetting the Slave Board Restart Manually RequiredPerforming the Master/slave Switchover Manually RequiredEnabling Automatic Synchronization RequiredSynchronizing the Configuration File of the System Manually RequiredNote:z When the S7506R starts, if you log in to the slave board, it will take about 3 minutesbefore you can see the system prompt. During the 3 minutes, the slave board doesnot respond to any operation. This is system protective design for avoidingswitching shake.z You cannot execute any command on the slave board until the slave board switchesto the master.z The master board will back up the configuration to slave board step by step as soonas the system is up, which is a quick process. In this process, the system will give aprompt on both master board and slave board if you press the “enter” key on theterminal, at the time, you cannot execute any command on the master board. Afterthe block backup, the master board keeps doing the real-time backup with the slaveboard and you can execute all commands on the master board.z You must keep the consistency of the version of the master and slave board.

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