diff --git a/plugins/inputs/ah_trap/ah_trap.go b/plugins/inputs/ah_trap/ah_trap.go
index 78116d40e9cf2..b3d48483d7a28 100644
--- a/plugins/inputs/ah_trap/ah_trap.go
+++ b/plugins/inputs/ah_trap/ah_trap.go
@@ -357,6 +357,30 @@ func (t *TrapPlugin) Gather_Ah_send_trap(trapType uint32, trapBuf [256]byte, acc
 			"systemId_faMvlanTrap":           fmt.Sprintf("%X", mvlan.SystemID),
 		}, nil)
 
+	case AH_MSG_TRAP_DHCP_OPTION55:
+		var dhcp AhDhcpOption55Trap
+		copy((*[unsafe.Sizeof(dhcp)]byte)(unsafe.Pointer(&dhcp))[:], trapBuf[:unsafe.Sizeof(dhcp)])
+		optLen := int(dhcp.Opt55Len)
+		if optLen < 0 {
+			optLen = 0
+		}
+		if optLen > len(dhcp.Data) {
+			optLen = len(dhcp.Data)
+		}
+		
+		option := map[string]interface{}{
+			"code":  55,
+			"value": optionValue,
+		}
+
+		optionJSON, _ := json.Marshal(option)
+
+		acc.AddFields("TrapEvent", map[string]interface{}{
+			"trapId_dhcpOptionTrap":     dhcp.TrapId,
+			"stationMac_dhcpOptionTrap": ahutil.FormatMac(dhcp.StaMac),
+			"option_dhcpOptionTrap":     string(optionJSON),
+		}, nil)
+
 	case AH_MSG_TRAP_DFS_BANG:
 		var dfs AhTgrafDfsTrap
 		copy((*[unsafe.Sizeof(dfs)]byte)(unsafe.Pointer(&dfs))[:], trapBuf[:unsafe.Sizeof(dfs)])
@@ -543,6 +567,20 @@ func (t *TrapPlugin) trapListener(conn net.PacketConn) {
 			if err := t.Ah_send_sta_leave_trap(trapType, trapBuf, t.acc); err != nil {
 				log.Printf("[ah_trap] Error gathering STA LEAVE STATS trap: %v", err)
 			}
+
+		case AH_MSG_TRAP_DHCP_OPTION55:
+			var dhcp AhDhcpOption55Trap
+			expected := int(unsafe.Sizeof(dhcp))
+			if len(payload) < expected {
+				log.Printf("[ah_trap] Invalid DHCP OPTION55 size: got %d, expected at least %d", len(payload), expected)
+				continue
+			}
+			var trapBuf [256]byte
+			copy(trapBuf[:expected], payload[:expected])
+			if err := t.Gather_Ah_send_trap(trapType, trapBuf, t.acc); err != nil {
+				log.Printf("[ah_trap] Error gathering DHCP OPTION55 trap: %v", err)
+			}
+
 		case AH_MSG_TRAP_SSID_BIND_UNBIND:
 			var  SsidBindUnbind AhTgrafSsidBindUnbindTrap
 			expected := int(unsafe.Sizeof(SsidBindUnbind))
diff --git a/plugins/inputs/ah_trap/ah_trap_defines_common.go b/plugins/inputs/ah_trap/ah_trap_defines_common.go
index c98a751c00176..d5b33317313ae 100644
--- a/plugins/inputs/ah_trap/ah_trap_defines_common.go
+++ b/plugins/inputs/ah_trap/ah_trap_defines_common.go
@@ -21,6 +21,7 @@ const (
 	TRAP_DCRPT_LEN           = 96
 	AH_MSG_TRAP_DFS_BANG     = 12
 	AH_MSG_TRAP_STA_LEAVE_STATS = 6
+	AH_MSG_TRAP_DHCP_OPTION55   = 123
 	MACADDR_LEN              = 6
 	MAX_DESCRIBLE_LEN        = 128
 	AH_CAPWAP_STAT_NAME_MAX_LEN = 32
@@ -76,6 +77,14 @@ type AhTgrafSsidBindUnbindTrap struct {
 	State       uint8
 }
 
+type AhDhcpOption55Trap struct {
+	TrapId   uint8
+	DataLen  uint16
+    StaMac  [6]uint8
+	Opt55Len uint8
+    Data    [0]uint8
+}
+
 type AhTgrafBSSIDSpoofingTrap struct {
     TrapID       uint8
     IfName      [AH_MAX_TRAP_OBJ_NAME + 1]byte