This counts the number of times a TCP connection underlying this FCIP link was closed down after dropping an excessive number of datagrams. This points specifically at packet loss on the underlying IP path as the closure cause, distinct from a silent, unresponsive peer or a security-related SA mismatch, helping an admin triage which of several possible failure modes is actually recurring on this link. A link on a congested shared WAN circuit experiencing periodic microbursts of loss would likely show this specific counter climbing, distinguishing a bandwidth/congestion problem from a peer-availability or security issue.