PRIMECLUSTER Global Link Services Configuration and Administration Guide: Redundant Line Control Function 4.1 (for Solaris(TM) Operating System)
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Chapter 2 Feature description> 2.2 Option Functions> 2.2.7 Router/HUB monitoring function> 2.2.7.2 HUB monitoring function

2.2.7.2.1 Not using HUB-to-HUB monitoring feature

If the operation starts without HUB-to-HUB monitoring function, the primary HUB (HUB1 in the figure 2.32) is monitored using the ping command. When a failure is detected in the primary HUB, the NIC of the currently active system is inactivated and then the standby NIC is activated. After the standby NIC is activated, the secondary HUB (HUB2 in the figure 2.32) is monitored using the ping command.

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[Figure 2.32 HUB-to-HUB monitoring disabled]

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