diff --git a/src/transport/SecureSession.h b/src/transport/SecureSession.h
index 8146884cf15373..494dbf3f280a54 100644
--- a/src/transport/SecureSession.h
+++ b/src/transport/SecureSession.h
@@ -67,7 +67,9 @@ class SecureSession : public Session
                   FabricIndex fabric, const ReliableMessageProtocolConfig & config) :
         mSecureSessionType(secureSessionType),
         mPeerNodeId(peerNodeId), mPeerCATs(peerCATs), mLocalSessionId(localSessionId), mPeerSessionId(peerSessionId),
-        mLastActivityTime(System::SystemClock().GetMonotonicTimestamp()), mMRPConfig(config)
+        mLastActivityTime(System::SystemClock().GetMonotonicTimestamp()),
+        mLastPeerActivityTime(System::SystemClock().GetMonotonicTimestamp()),
+        mMRPConfig(config)
     {
         SetFabricIndex(fabric);
     }
@@ -134,7 +136,12 @@ class SecureSession : public Session
     }
 
     System::Clock::Timestamp GetLastActivityTime() const { return mLastActivityTime; }
+    System::Clock::Timestamp GetLastPeerActivityTime() const { return mLastPeerActivityTime; }
     void MarkActive() { mLastActivityTime = System::SystemClock().GetMonotonicTimestamp(); }
+    void MarkActiveRx() { 
+        mLastPeerActivityTime = System::SystemClock().GetMonotonicTimestamp();
+        MarkActive();
+    }
 
     CryptoContext & GetCryptoContext() { return mCryptoContext; }
 
@@ -148,7 +155,8 @@ class SecureSession : public Session
     const uint16_t mPeerSessionId;
 
     PeerAddress mPeerAddress;
-    System::Clock::Timestamp mLastActivityTime;
+    System::Clock::Timestamp mLastActivityTime;     ///< Timestamp of last tx or rx
+    System::Clock::Timestamp mLastPeerActivityTime;   ///< Timestamp of last rx
     ReliableMessageProtocolConfig mMRPConfig;
     CryptoContext mCryptoContext;
     SessionMessageCounter mSessionMessageCounter;
diff --git a/src/transport/SessionManager.cpp b/src/transport/SessionManager.cpp
index 652193a7d93fc1..74ea4932a8f16a 100644
--- a/src/transport/SessionManager.cpp
+++ b/src/transport/SessionManager.cpp
@@ -528,7 +528,7 @@ void SessionManager::UnauthenticatedMessageDispatch(const PacketHeader & packetH
     unsecuredSession->SetPeerAddress(peerAddress);
     SessionMessageDelegate::DuplicateMessage isDuplicate = SessionMessageDelegate::DuplicateMessage::No;
 
-    unsecuredSession->MarkActive();
+    unsecuredSession->MarkActiveRx();
 
     PayloadHeader payloadHeader;
     ReturnOnFailure(payloadHeader.DecodeAndConsume(msg));
@@ -612,7 +612,7 @@ void SessionManager::SecureUnicastMessageDispatch(const PacketHeader & packetHea
         return;
     }
 
-    secureSession->MarkActive();
+    secureSession->MarkActiveRx();
 
     if (isDuplicate == SessionMessageDelegate::DuplicateMessage::Yes && !payloadHeader.NeedsAck())
     {
diff --git a/src/transport/UnauthenticatedSessionTable.h b/src/transport/UnauthenticatedSessionTable.h
index 5ac2211fd06d05..59dc581d47f795 100644
--- a/src/transport/UnauthenticatedSessionTable.h
+++ b/src/transport/UnauthenticatedSessionTable.h
@@ -54,7 +54,9 @@ class UnauthenticatedSession : public Session, public ReferenceCounted<Unauthent
 
     UnauthenticatedSession(SessionRole sessionRole, NodeId ephemeralInitiatorNodeID, const ReliableMessageProtocolConfig & config) :
         mEphemeralInitiatorNodeId(ephemeralInitiatorNodeID), mSessionRole(sessionRole),
-        mLastActivityTime(System::SystemClock().GetMonotonicTimestamp()), mMRPConfig(config)
+        mLastActivityTime(System::SystemClock().GetMonotonicTimestamp()), 
+        mLastPeerActivityTime(System::SystemClock().GetMonotonicTimestamp()), 
+        mMRPConfig(config)
     {}
     ~UnauthenticatedSession() override { NotifySessionReleased(); }
 
@@ -65,6 +67,10 @@ class UnauthenticatedSession : public Session, public ReferenceCounted<Unauthent
 
     System::Clock::Timestamp GetLastActivityTime() const { return mLastActivityTime; }
     void MarkActive() { mLastActivityTime = System::SystemClock().GetMonotonicTimestamp(); }
+    void MarkActiveRx() { 
+        mLastPeerActivityTime = System::SystemClock().GetMonotonicTimestamp();
+        MarkActive();
+    }
 
     Session::SessionType GetSessionType() const override { return Session::SessionType::kUnauthenticated; }
 #if CHIP_PROGRESS_LOGGING
@@ -122,7 +128,8 @@ class UnauthenticatedSession : public Session, public ReferenceCounted<Unauthent
     const NodeId mEphemeralInitiatorNodeId;
     const SessionRole mSessionRole;
     PeerAddress mPeerAddress;
-    System::Clock::Timestamp mLastActivityTime;
+    System::Clock::Timestamp mLastActivityTime;     ///< Timestamp of last tx or rx
+    System::Clock::Timestamp mLastPeerActivityTime; ///< Timestamp of last rx
     ReliableMessageProtocolConfig mMRPConfig;
     PeerMessageCounter mPeerMessageCounter;
 };