h3cDot11ACMtTrapTunlDwnInfo 1.3.6.1.4.1.43.45.1.10.2.75.1.3.1.1

Represents the reason for tunnel down. The following values are supported: tunnelTimeout(1), - When AC detects the tunnel is broken, - it will notify NMS. keyUpdateFailure(2), - rekey process is failed, tunnel will - be broken. apReset(3), - Administrator reset AP. apCrash(4), - AP reboot for system crash. apDeleted(5) - Delete AP from AC and trigger - tunnel down. apCfgChange(6) - The configuration for AP was changed.