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Failover in Bond interface can cause failover in ClusterXL
Symptoms
  • Failover in Bond interface can cause failover in ClusterXL. When physical link of Bond slave interface goes down and up, it will cause failover to another Bond slave interface and failback to previous one. No traffic will be seen on the interface for a while after link restoration. It may cause failover in ClusterXL, in case this Bond interface is used in cluster topology as a 'cluster' interface.
Cause

In recent Cisco models (for example WS-C2960G-48TC-L), port configured as "switchport mode trunk" should discover the trunk encapsulation automatically. When the physical link goes down and then goes up, it may take more than 4 seconds before port starts forwarding the traffic.


Solution
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