PRIMECLUSTER Global Link Services Configuration and Administration Guide: Redundant Line Control Function 4.1 (for Solaris(TM) Operating System)
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2.2.8 Monitoring communicating host
In GS/SURE linkage mode, the ping command is issued against the IP address of the actual interface of the remote system at regular interval. If a transfer path failure is detected, a reporting message will be outputted. Then, communication is continued using other transfer path.
This function is used exclusively for GS/SURE linkage mode. In Fast switching mode, when the virtual interface activates, the process will be executed automatically. RIP mode or NIC switching mode are not capable of using this function.

[Figure 2.36 Remote system monitoring function]
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