diff --git a/inc/saiport.h b/inc/saiport.h
index 2d85f3f64..3d9bffa9a 100644
--- a/inc/saiport.h
+++ b/inc/saiport.h
@@ -3267,6 +3267,18 @@ typedef enum _sai_port_attr_t
      */
     SAI_PORT_ATTR_CBFC_CREDIT_POOL_LIST,
 
+    /**
+     * @brief Link down debounce time in microseconds
+     *
+     * 0 means no delay time so link down events are immediately delivered as usual
+     * This attribute overrides the switch level debounce configuration
+     *
+     * @type sai_uint32_t
+     * @flags CREATE_AND_SET
+     * @default 0
+     */
+    SAI_PORT_ATTR_LINK_DOWN_DEBOUNCE_TIMEOUT,
+
     /**
      * @brief End of attributes
      */
diff --git a/inc/saiswitch.h b/inc/saiswitch.h
index 64072c22c..7506e61e7 100644
--- a/inc/saiswitch.h
+++ b/inc/saiswitch.h
@@ -3598,6 +3598,33 @@ typedef enum _sai_switch_attr_t
      */
     SAI_SWITCH_ATTR_PTP_SYNTONIZE_ADJUST,
 
+    /**
+     * @brief Link down debounce time in microseconds
+     *
+     * 0 means no delay time so link down events are immediately delivered as usual
+     *
+     * @type sai_uint32_t
+     * @flags CREATE_AND_SET
+     * @default 0
+     */
+    SAI_SWITCH_ATTR_LINK_DOWN_DEBOUNCE_TIMEOUT,
+
+    /**
+     * @brief Link down debounce timeout values supported in microseconds
+     *
+     * @type sai_u32_list_t
+     * @flags READ_ONLY
+     */
+    SAI_SWITCH_ATTR_LINK_DOWN_DEBOUNCE_TIMEOUT_INTEVALS,
+
+    /**
+     * @brief Link up debounce timeout values supported in microseconds
+     *
+     * @type sai_u32_list_t
+     * @flags READ_ONLY
+     */
+    SAI_SWITCH_ATTR_LINK_UP_DEBOUNCE_TIMEOUT_INTEVALS,
+
     /**
      * @brief End of attributes
      */