module huawei-ietf-system-deviations-OC-NE-X8X16 {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-ietf-system-deviations-OC-NE-X8X16";

    prefix system-devs-OC-NE-X8X16;

    import ietf-system {
      prefix sys;
    }
    import ietf-inet-types {
      prefix inet;
    }

    organization
      "Huawei Technologies Co., Ltd.";

    contact
      "Huawei Industrial Base
     Bantian, Longgang
     Shenzhen 518129
     People's Republic of China
     Website: http://www.huawei.com
     Email: support@huawei.com";

    description
      "This module contains a collection of YANG definitions for the
     configuration and identification of some common system
     properties within a device containing a NETCONF server. This
     includes data node definitions for system identification,
     time-of-day management, user management, DNS resolver
     configuration, and some protocol operations for system
     management.";

    revision "2020-03-23" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    deviation /sys:system/sys:radius {
      deviate not-supported;
    }
    deviation /sys:system/sys:authentication {
      deviate not-supported;
    }
    deviation /sys:system/sys:dns-resolver {
      deviate not-supported;
    }
    deviation /sys:system-shutdown {
      deviate not-supported;
    }
    deviation /sys:system-state/sys:platform {
      deviate not-supported;
    }
    deviation /sys:system/sys:contact {
      deviate not-supported;
    }
    deviation /sys:system/sys:hostname {
      deviate replace {
        type string {
          length "1..246";
        }
      }
      deviate add {
        default "HUAWEI";
      }
    }
    deviation /sys:system/sys:location {
      deviate not-supported;
    }
    deviation /sys:system/sys:clock/sys:timezone/sys:timezone-name {
      deviate not-supported;
    }
    deviation /sys:system/sys:clock/sys:timezone/sys:timezone-utc-offset/sys:timezone-utc-offset {
      deviate replace {
        type int16 {
          range "-1080..1080";
        }
      }
      deviate add {
        default "0";
      }
    }
    deviation /sys:system/sys:ntp/sys:server/sys:name {
      deviate replace {
        type string {
          length "1..63";
        }
      }
    }
    deviation /sys:system/sys:ntp/sys:server/sys:association-type {
      deviate replace {
        type enumeration {
          enum "server" {
            value 0;
            description
              "Use client association mode. This device
             will not provide synchronization to the
             configured NTP server.";
          }
          enum "peer" {
            value 1;
            description
              "Use symmetric active association mode.
             This device may provide synchronization
             to the configured NTP server.";
          }
        }
      }
    }
    deviation /sys:system/sys:ntp/sys:server/sys:transport/sys:udp/sys:udp/sys:port {
      deviate replace {
        type inet:port-number {
          range "123|1025..65535";
        }
      }
    }
  }  // module huawei-ietf-system-deviations-OC-NE-X8X16