Deploy a Cluster for Firepower Threat Defense. Each unit monitors the link status of all hardware interfaces in use, and reports status changes to the primary unit. For inter chassis clustering, Spanned Ether. Channels use the cluster Link Aggregation Control Protocol c. LACP. Each chassis monitors the link status and the c. LACP protocol messages to determine if the port is still active in the Ether. Channel, and informs the Firepower Threat Defense application if the interface is down. Iphone 5 Update Error 9006 On Ipad' title='Iphone 5 Update Error 9006 On Ipad' />When you enable health monitoring, all physical interfaces are monitored by default including the main Ether. Channel for Ether. Channel interfaces. How To Install A Solid Fuel Inset Fire Place. Only named interfaces that are in an Up state can be monitored. For example, all member ports of an Ether. Channel must fail before a named Ether. Channel is removed from the cluster. If a monitored. interface fails on a particular unit, but it is active on other units, then the. The amount of time before the. Firepower Threat Defense. The. Firepower Threat Defense. Interface status changes during this time will not cause the. Firepower Threat Defense. For an established member, the unit is removed. For inter chassis clustering. Ether. Channel from the cluster, interface. Iphone 5 Update Error 9006 On Ipad' title='Iphone 5 Update Error 9006 On Ipad' />, 10, iPad. How to fix iTunes error 3194 It occurs while updating, restoring or downgrading iOS on your iPhone, iPad or iPod Touch. Here are some methods to fix this issue.