diff --git a/src/sonic-yang-models/doc/Configuration.md b/src/sonic-yang-models/doc/Configuration.md
index 4199a36dae..aeb670a288 100644
--- a/src/sonic-yang-models/doc/Configuration.md
+++ b/src/sonic-yang-models/doc/Configuration.md
@@ -1473,6 +1473,33 @@ optional attributes.
     }
 }
 
+2x100G port breakout
+{
+"PORT": {
+        "Ethernet0": {
+            "admin_status": "up",
+            "index": "1",
+            "lanes": "101,102,103,104",
+            "description": "etp1a",
+            "mtu": "9100",
+            "alias": "etp1a",
+            "speed": "100000",
+            "channel": 1
+        },
+        "Ethernet4": {
+            "admin_status": "up",
+            "index": "1",
+            "lanes": "105,106,107,108",
+            "description": "etp1b",
+            "mtu": "9100",
+            "alias": "etp1b",
+            "speed": "100000",
+            "channel": 2
+        },
+    }
+}
+
+
 ```
 
 ### Port Channel
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 4caf93abb6..d5ff06062b 100644
--- a/src/sonic-yang-models/tests/files/sample_config_db.json
+++ b/src/sonic-yang-models/tests/files/sample_config_db.json
@@ -558,7 +558,8 @@
                 "admin_status": "up",
                 "autoneg": "on",
                 "adv_speeds": "all",
-                "adv_interface_types": "all"
+                "adv_interface_types": "all",
+                "channel" : "0"
             },
             "Ethernet3": {
                 "alias": "Eth1/4",
@@ -566,7 +567,8 @@
                 "description": "",
                 "speed": "11100",
                 "tpid": "0x88A8",
-                "admin_status": "up"
+                "admin_status": "up",
+                "channel": "1"
             },
             "Ethernet4": {
                 "alias": "Eth2/1",
@@ -574,7 +576,8 @@
                 "description": "",
                 "speed": "11100",
                 "tpid": "0x9100",
-                "admin_status": "up"
+                "admin_status": "up",
+                "channel": "2"
             },
             "Ethernet5": {
                 "alias": "Eth2/2",
@@ -582,7 +585,8 @@
                 "description": "",
                 "speed": "11100",
                 "tpid": "0x9200",
-                "admin_status": "up"
+                "admin_status": "up",
+                "channel": "3"
             },
             "Ethernet6": {
                 "alias": "Eth2/3",
@@ -590,7 +594,8 @@
                 "description": "",
                 "speed": "11100",
                 "tpid": "0x8100",
-                "admin_status": "up"
+                "admin_status": "up",
+                "channel": "4"
             },
             "Ethernet7": {
                 "alias": "Eth2/4",
@@ -598,7 +603,8 @@
                 "description": "",
                 "speed": "11100",
                 "tpid": "0x8100",
-                "admin_status": "up"
+                "admin_status": "up",
+                "channel": "5"
             },
             "Ethernet8": {
                 "alias": "Eth3/1",
@@ -606,7 +612,8 @@
                 "description": "",
                 "speed": "11100",
                 "tpid": "0x8100",
-                "admin_status": "up"
+                "admin_status": "up",
+                "channel": "6"
             },
             "Ethernet9": {
                 "alias": "Eth3/2",
@@ -614,7 +621,8 @@
                 "description": "",
                 "speed": "11100",
                 "tpid": "0x8100",
-                "admin_status": "up"
+                "admin_status": "up",
+                "channel": "7"
             },
             "Ethernet10": {
                 "alias": "Eth3/3",
@@ -622,7 +630,8 @@
                 "description": "",
                 "speed": "11100",
                 "tpid": "0x8100",
-                "admin_status": "up"
+                "admin_status": "up",
+                "channel": "8"
             },
             "Ethernet11": {
                 "alias": "Eth3/4",
diff --git a/src/sonic-yang-models/tests/yang_model_tests/tests/port.json b/src/sonic-yang-models/tests/yang_model_tests/tests/port.json
index 6f7af54c4a..e02df9d54d 100644
--- a/src/sonic-yang-models/tests/yang_model_tests/tests/port.json
+++ b/src/sonic-yang-models/tests/yang_model_tests/tests/port.json
@@ -120,6 +120,13 @@
      "PORT_INVALID_MULTIASIC_TEST": {
          "desc": "PORT_INVALID_MULTIASIC_TEST invalid role pattern, expect fail",
          "eStrKey": "Pattern"
+     },
+     "PORT_VALID_CHANNEL_NUMBER": {
+         "desc": "PORT_VALID_CHANNEL_NUMBER no failure."
+     },
+     "PORT_INVALID_CHANNEL_NUMBER": {
+         "desc": "Out of range channel number",
+         "eStrKey": "Range",
+         "eStr": "0..8"
      }
-
 }
diff --git a/src/sonic-yang-models/tests/yang_model_tests/tests_config/port.json b/src/sonic-yang-models/tests/yang_model_tests/tests_config/port.json
index 684caa2432..39b31dbb69 100644
--- a/src/sonic-yang-models/tests/yang_model_tests/tests_config/port.json
+++ b/src/sonic-yang-models/tests/yang_model_tests/tests_config/port.json
@@ -515,7 +515,60 @@
             }
         }
     },
-    
+
+    "PORT_INVALID_CHANNEL_NUMBER": {
+         "sonic-port:sonic-port": {
+             "sonic-port:PORT": {
+                 "PORT_LIST": [
+                     {
+                         "name": "Ethernet0",
+                         "alias": "etp1a",
+                         "lanes": "60, 61",
+                         "speed": 100000,
+                         "channel": 9
+                     }
+                 ]
+             }
+         }
+     },
+
+     "PORT_VALID_CHANNEL_NUMBER": {
+        "sonic-port:sonic-port": {
+            "sonic-port:PORT": {
+                "PORT_LIST": [
+                    {
+                        "name": "Ethernet0",
+                        "alias": "etp1a",
+                        "lanes": "60, 61",
+                        "speed": 100000,
+                        "channel": 1
+                    },
+                    {
+                       "name": "Ethernet2",
+                        "alias": "etp1b",
+                        "lanes": "62, 63",
+                        "speed": 100000,
+                        "channel": 2
+                    },
+                    {
+                        "name": "Ethernet4",
+                        "alias": "etp1c",
+                        "lanes": "64, 65",
+                        "speed": 100000,
+                        "channel": 3
+                    },
+                    {
+                        "name": "Ethernet6",
+                        "alias": "etp1d",
+                        "lanes": "66, 67",
+                        "speed": 100000,
+                        "channel": 4
+                    }
+                ]
+            }
+        }
+    },
+
     "PORT_VALID_MULTIASIC_TEST": {
         "sonic-port:sonic-port": {
             "sonic-port:PORT": {
diff --git a/src/sonic-yang-models/yang-models/sonic-port.yang b/src/sonic-yang-models/yang-models/sonic-port.yang
index e2408d593d..667b3b1f35 100644
--- a/src/sonic-yang-models/yang-models/sonic-port.yang
+++ b/src/sonic-yang-models/yang-models/sonic-port.yang
@@ -121,6 +121,13 @@ module sonic-port{
 					}
 				}
 
+				leaf channel {
+					description "Logical channel(s) for physical port breakout";
+					type uint8 {
+						range 0..8;
+					}
+				}
+
 				leaf index {
 					type uint16;
 				}