diff --git a/src/sonic-yang-models/doc/Configuration.md b/src/sonic-yang-models/doc/Configuration.md
index 4392c8874e3..c67aef18e01 100644
--- a/src/sonic-yang-models/doc/Configuration.md
+++ b/src/sonic-yang-models/doc/Configuration.md
@@ -1766,7 +1766,7 @@ instead of data network.
 ```
 ### MUX_CABLE
 
-The **MUX_CABLE** table is used for dualtor interface configuration. The `cable_type`, `soc_ipv4` and `neighbor_mode` objects are optional.
+The **MUX_CABLE** table is used for dualtor interface configuration. The `cable_type`, `soc_ipv4`, `neighbor_mode` and `failover_mode` objects are optional.
 
 ```
 {
@@ -1774,6 +1774,7 @@ The **MUX_CABLE** table is used for dualtor interface configuration. The `cable_
         "Ethernet4": {
             "cable_type": "active-active",
             "neighbor_mode": "prefix-route",
+            "failover_mode": "hardware",
             "server_ipv4": "192.168.0.2/32",
             "server_ipv6": "fc02:1000::30/128",
             "soc_ipv4": "192.168.0.3/32",
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 aaa6caff469..d04305958bb 100644
--- a/src/sonic-yang-models/tests/files/sample_config_db.json
+++ b/src/sonic-yang-models/tests/files/sample_config_db.json
@@ -2600,6 +2600,7 @@
                 "cable_type": "active-active",
                 "prober_type": "software",
                 "neighbor_mode": "prefix-route",
+                "failover_mode": "hardware",
                 "server_ipv4": "192.168.0.2/32",
                 "server_ipv6": "fc02:1000::30/128",
                 "soc_ipv4": "192.168.0.3/32",
diff --git a/src/sonic-yang-models/tests/yang_model_tests/tests_config/mux_cable.json b/src/sonic-yang-models/tests/yang_model_tests/tests_config/mux_cable.json
index c61cef2ecba..06d17f7c08a 100644
--- a/src/sonic-yang-models/tests/yang_model_tests/tests_config/mux_cable.json
+++ b/src/sonic-yang-models/tests/yang_model_tests/tests_config/mux_cable.json
@@ -56,6 +56,7 @@
                         "cable_type": "active-active",
                         "prober_type": "software",
                         "neighbor_mode": "prefix-route",
+                        "failover_mode": "hardware",
                         "server_ipv4": "192.168.0.2/32",
                         "server_ipv6": "fc02:1000::30/128",
                         "soc_ipv4": "192.168.0.3/32",
diff --git a/src/sonic-yang-models/yang-models/sonic-mux-cable.yang b/src/sonic-yang-models/yang-models/sonic-mux-cable.yang
index 4d1c06f36da..fc9b59af3d7 100644
--- a/src/sonic-yang-models/yang-models/sonic-mux-cable.yang
+++ b/src/sonic-yang-models/yang-models/sonic-mux-cable.yang
@@ -68,6 +68,15 @@ module sonic-mux-cable {
                     description "DualToR MUX neighbor mode.";
                 }
 
+                leaf failover_mode {
+                    type enumeration {
+                        enum hardware;
+                        enum software;
+                    }
+                    default software;
+                    description "DualToR MUX failover mode.";
+                }
+
                 leaf server_ipv4 {
                     type inet:ipv4-prefix;