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.
In any one of the following cases, the route is switched and a reporting message will be output:
A transfer path failure is detected.
A hang-up of the ping command is detected.
A failure notification is received from the remote system.
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. NIC switching mode is not capable of using this function.
Note
If no response after the ping command run for 30 seconds, the hang-up will be detected. The hang-up detection of ping command is enabled when GLS patch T011644SP-02 or later is being applied.
Figure 2.29 Remote system monitoring function
