diff --git a/src/sonic-yang-models/tests/files/sample_config_db.json b/src/sonic-yang-models/tests/files/sample_config_db.json
index ed1f75c6579..8ebb1d65567 100644
--- a/src/sonic-yang-models/tests/files/sample_config_db.json
+++ b/src/sonic-yang-models/tests/files/sample_config_db.json
@@ -2335,6 +2335,9 @@
                 "src_mac": "ToRMac",
                 "interval_pck_loss_count_update": "3"
             },
+            "TIMED_OSCILLATION": {
+                "oscillation_enabled": "false"
+            },
             "MUXLOGGER": {
                 "log_verbosity": "debug"
             },
diff --git a/src/sonic-yang-models/tests/yang_model_tests/tests/mux-linkmgr.json b/src/sonic-yang-models/tests/yang_model_tests/tests/mux-linkmgr.json
index 7c4aeadffdd..050728cb944 100644
--- a/src/sonic-yang-models/tests/yang_model_tests/tests/mux-linkmgr.json
+++ b/src/sonic-yang-models/tests/yang_model_tests/tests/mux-linkmgr.json
@@ -5,10 +5,13 @@
     "MUX_LINKMGR_LINK_PROBER_CHANGE_MAC_ADDR": {
         "desc": "Use well-known mac and vlan mac as dst/src in linkmgrd link prober. "
     },
+    "MUX_LINKMGR_TIMED_OSCILLATION_DISABLE_OSCILLATION": {
+        "desc": "Disable timed oscillation."
+    },
     "MUX_LINKMGR_MUXLOGGER_CHANGE_VERBOSITY_LEVEL": {
         "desc": "Consume verbosity level config changes. "
     },
     "MUX_LINKMGR_SERVICE_MGMT_KILL_RADV_DISABLED": {
         "desc": "Disable feature to kill radv."
     }
-}
\ No newline at end of file
+}
diff --git a/src/sonic-yang-models/tests/yang_model_tests/tests_config/mux-linkmgr.json b/src/sonic-yang-models/tests/yang_model_tests/tests_config/mux-linkmgr.json
index 1feff4f4403..8a9f9e01c22 100644
--- a/src/sonic-yang-models/tests/yang_model_tests/tests_config/mux-linkmgr.json
+++ b/src/sonic-yang-models/tests/yang_model_tests/tests_config/mux-linkmgr.json
@@ -23,6 +23,16 @@
             }
         }
     },
+    "MUX_LINKMGR_TIMED_OSCILLATION_DISABLE_OSCILLATION": {
+        "sonic-mux-linkmgr:sonic-mux-linkmgr": {
+            "sonic-mux-linkmgr:MUX_LINKMGR": {
+                "sonic-mux-linkmgr:TIMED_OSCILLATION":
+                    {
+                        "oscillation_enabled": "false"
+                    }
+            }
+        }
+    },
     "MUX_LINKMGR_MUXLOGGER_CHANGE_VERBOSITY_LEVEL": {
         "sonic-mux-linkmgr:sonic-mux-linkmgr": {
             "sonic-mux-linkmgr:MUX_LINKMGR": {
@@ -43,4 +53,4 @@
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/sonic-yang-models/yang-models/sonic-mux-linkmgr.yang b/src/sonic-yang-models/yang-models/sonic-mux-linkmgr.yang
index d7b07ed7335..001ec4298ed 100644
--- a/src/sonic-yang-models/yang-models/sonic-mux-linkmgr.yang
+++ b/src/sonic-yang-models/yang-models/sonic-mux-linkmgr.yang
@@ -84,6 +84,22 @@ module sonic-mux-linkmgr {
                 }
             }
 
+            container TIMED_OSCILLATION {
+
+                leaf oscillation_enabled {
+                    type boolean;
+                    default true;
+                    description "Flag to enable/disable timed oscillation. ";
+                }
+
+                leaf interval_sec {
+                    type uint32;
+                    default 300;
+                    units seconds;
+                    description "Interval between MUX oscillations. ";
+                }
+            }
+
             container MUXLOGGER {
 
                 leaf log_verbosity {
@@ -114,4 +130,4 @@ module sonic-mux-linkmgr {
             }
         }
     }
-}
\ No newline at end of file
+}