This read-create Integer32 (1-10) sets how many recent events this Frame Relay over IP transport tracks when evaluating link quality, working together with the permitted-bad-events threshold to decide whether the transport should be considered down. An admin tunes this to control how quickly the transport reacts to a run of bad events versus tolerating brief transient errors. For example, a smaller event window makes a transport declare failure faster after just a few bad events, useful for a link where quick failover matters more than tolerance for transient glitches.