Designing and Managing Behavior Models - Using Other Data Sources - NerveCenter's Built-In Triggers - Multi-homed Nodes -
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Multi-homed Nodes

Polling multi-homed nodes will cause NerveCenter to rotate through the address list for that node in the following manner. If the first address returns an ICMP error response, then NerveCenter flags that address as "down" and will not retry the address until NerveCenter has tried all other addresses for this node.

Upon each retry of a poll, NerveCenter chooses the next IP address to poll. If a node has more addresses than the number of allowable retries, then second or subsequent polls of that node will use the current address if it is "up" or the next un-tried address in the list. If all addresses have been tried, then the "down" addresses will be used again. For an SNMP error, NerveCenter flags the address as "up" because NerveCenter did receive a response from the node's agent.