diff --git a/protos/voltha_protos/openolt.proto b/protos/voltha_protos/openolt.proto
index b2454b7..0376849 100644
--- a/protos/voltha_protos/openolt.proto
+++ b/protos/voltha_protos/openolt.proto
@@ -193,6 +193,8 @@
         OnuTransmissionInterferenceWarning onu_tiwi_ind = 9;
         OnuActivationFailureIndication onu_activation_fail_ind = 10;
         OnuProcessingErrorIndication onu_processing_error_ind = 11;
+        OnuLossOfKeySyncFailureIndication onu_loss_of_sync_fail_ind = 12;
+        OnuItuPonStatsIndication onu_itu_pon_stats_ind = 13;
     }
 }
 
@@ -430,6 +432,8 @@
     string lob_status = 4;
     string lopc_miss_status = 5;
     string lopc_mic_error_status = 6;
+    string lofi_status = 7;
+    string loami_status = 8;
 }
 
 message OnuStartupFailureIndication {
@@ -476,6 +480,19 @@
 message OnuActivationFailureIndication {
     fixed32 intf_id = 1;
     fixed32 onu_id = 2;
+    fixed32 fail_reason = 3;
+}
+
+message OnuLossOfKeySyncFailureIndication {
+    fixed32 intf_id = 1;
+    fixed32 onu_id = 2;
+    string status = 3;
+}
+
+message OnuItuPonStatsIndication{
+    fixed32 intf_id = 1;
+    fixed32 onu_id = 2;
+    fixed32 rdi_errors = 3;
 }
 
 message OnuProcessingErrorIndication {