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DCS-3950 series Ethernet switch manual
Function: In the commander switch, set holdtime of heartbeat of the cluster; the ‘no
cluster holdtime’ command restores the default setting.
Parameter: <second> is the holdtime of heartbeat of the cluster, valid range is 20 to
65535. The holdtime of heartbeat means the maximum valid time of heartbeat packets.
When the heartbeat packets are received again, the holdtime is reset. If no heartbeat
packets are received in the holdtime, the cluster is invalid.
Default: The holdtime of heartbeat is 80 seconds by default.
Command mode: Global Mode.
Instructions: In the commander switch, this command is used to set the holdtime of
heartbeat. And this information is distributed to all the member switches. If this command
is executed in a non-commander switch and the value is less than the current holdtime,
the setting is invalid and an error is displayed.
Example: Set holdtime of heartbeat of the cluster to 100 seconds
Switch(config)#cluster holdtime 100
6.2.2.12 cluster heartbeat
Command: cluster heartbeat <interval>
no cluster heartbeat
Function: In the commander switch, set interval of sending heartbeat packets among the
switches of the cluster; the ‘no cluster heartbeat’ command restores the default setting.
Parameter: <interval> is the interval of heartbeat of the cluster, valid range is 1 to 65535.
Default: The interval of heartbeat is 8 seconds by default.
Command mode: Global Mode.
Usage Guide: In the commander switch, this command is used to set the interval of
heartbeat. And this information is distributed to all the member switches. If this command
is executed in a non-commander switch and the value is more than the current holdtime,
the setting is invalid and an error is displayed.
Example: Set the interval of sending heartbeat packets of the cluster to 10 seconds.
Switch(config)#cluster heartbeat 10
6.2.2.13 clear cluster candidate-table
Command: clear cluster candidate-table
Function: Clear the list of candidate switches discovered by the commander switch.
Parameter: None.
Default: None.
Command mode: Admin Mode.
Instructions: In the commander switch, this command is used to clear the list of
candidate switches discovered by the commander switch. If this command is executed in
a non-commander switch, an error will be displayed.
Example: Clear the list of candidate switches discovered by the commander switch
Switch#clear cluster candidate-table
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