Link Monitoring and Path Monitoring Behavior
Resolution
This document provides information about link and path monitoring behaviour.
Link monitoring
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Suppose we have only one entry in the Link group. If the link monitoring has a failure condition of any and Link group has a group failure condition of all, then all is preferred, because whatever's configured in the Link group takes precedence.
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If we have more then one link group and the link monitoring has a failure condition of any, if any of the link group fails, then a failover is triggered.
For example, say you have two link groups, each link group has two interfaces, and the failure condition of the link group is all.
group1 ethernet1/1, ethernet1/2 group2 ethernet1/3, ethernet1/4
If both interface 1/1 and 1/2 fail, then the link group fails and triggers a failover.
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Path monitoring
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Suppose we have only one entry in the Path group. If the path monitoring has a failure condition of any, and the path group has a group failure condition of all, then all is preferred, because whatever's configured in the path group is preferred.
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If we have more then one Path group, and the Path monitoring has a failure condition of any, if any of the path group fails, then a failover is triggered.
For example. we have two path groups, each path group has two IP addresses to track, and the failure condition is all.
In one path group, if neither IP address is reachable, then that path group fails, and triggers a failover.
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