(SOL7213) When using network failover with the Spanning Tree Protocol (STP), the blocking behavior of neighboring switches can prevent the network failover heartbeat packets from reaching the BIG-IP peer system. As a result, multiple BIG-IP systems can enter an undesired active/active state. The Link Down Time on Failover timer can exacerbate this issue.
For network failover to function properly, the BIG-IP LTM systems must be able to transmit high-availability pair state information to each other. When a
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