Fix for issue when Port-channel ID != vPC ID #676

roles/validate/files/rules/common/305_topology_switch_interfaces_vpc.py

@@ -53,6 +53,19 @@ def match(cls, data_model):
                             )
                             return results
 
+                        # Enforce Port-channel ID matches vPC ID to avoid mismatched configurations
+                        port_channel_match = re.fullmatch(
+                            r"Port-channel(\d+)", interface_name
+                        )
+                        if port_channel_match:
+                            port_channel_id = port_channel_match.group(1)
+
+                            if int(port_channel_id) != int(vpc_id):
+                                results.append(
+                                    f"Switch {switch_name} interface {interface_name} uses vPC id {vpc_id}"
+                                    "but Port-channel ID {port_channel_id}; these values must match."
+                                )
+
                         # Check if vPC id is referenced by more than 1 Port-channel on the switch
                         if vpc_id in vpc_ids:
                             results.append(