submodule huawei-snmp-type {

    yang-version 1;

    belongs-to huawei-snmp {
        prefix snmp;
    }

    import ietf-yang-types {
      prefix yang;
    }

    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 "SNMP type.";

    revision "2019-12-26" {
      description
        "Modify description syntax.";
      reference
        "Huawei private.";

    }

    revision "2019-11-29" {
      description
        "YANG refactoring extension.";
      reference
        "Huawei private.";

    }

    revision "2019-11-18" {
      description
        "YANG refactoring extension.";
      reference
        "Huawei private.";

    }

    revision "2019-04-23" {
      description "Init revision.";
      reference
        "Huawei private.";

    }


    typedef snmp-engine-id {
      type yang:hex-string {
        pattern
          '([0-9a-fA-F]){2}(:([0-9a-fA-F]){2}){4,31}';
      }
      description
        "The engine ID specified as a list of colon-specified
      hexadecimal octets, e.g., '80:00:02:b8:04:61:62:63'.";
    }

    typedef snmp-privacy {
      type enumeration {
        enum "noPriv" {
          value 0;
          description
            "Without any encryption algorithm.";
        }
        enum "des56" {
          value 1;
          description
            "DES56 encryption algorithm.";
        }
        enum "3des168" {
          value 5;
          description
            "3DES168 encryption algorithm.";
        }
        enum "aes128" {
          value 2;
          description
            "AES128 encryption algorithm.";
        }
        enum "aes192" {
          value 3;
          description
            "AES192 encryption algorithm.";
        }
        enum "aes256" {
          value 4;
          description
            "AES256 encryption algorithm.";
        }
      }
      description "SNMP privacy enum.";
    }

    typedef snmp-local-privacy {
      type enumeration {
        enum "des56" {
          value 1;
          description
            "DES56 encryption algorithm.";
        }
        enum "3des168" {
          value 5;
          description
            "3DES168 encryption algorithm.";
        }
        enum "aes128" {
          value 2;
          description
            "AES128 encryption algorithm.";
        }
        enum "aes192" {
          value 3;
          description
            "AES192 encryption algorithm.";
        }
        enum "aes256" {
          value 4;
          description
            "AES256 encryption algorithm.";
        }
      }
      description
        "SNMP local-user privacy enum.";
    }

    typedef snmp-version {
      type enumeration {
        enum "none" {
          value 0;
          description "None Version.";
        }
        enum "v1" {
          value 1;
          description "SNMP v1.";
        }
        enum "v2c" {
          value 2;
          description "SNMP v2c.";
        }
        enum "v1v2c" {
          value 3;
          description "SNMP v1v2c.";
        }
        enum "v3" {
          value 4;
          description "SNMP v3.";
        }
        enum "v1v3" {
          value 5;
          description "SNMP v1v3.";
        }
        enum "v2cv3" {
          value 6;
          description "SNMP v2cv3.";
        }
        enum "all" {
          value 7;
          description "All SNMP Versions.";
        }
      }
      description "SNMP version enum.";
    }

    typedef snmp-notify {
      type enumeration {
        enum "trap" {
          value 1;
          description "Trap.";
        }
        enum "inform" {
          value 2;
          description "Inform.";
        }
      }
      description "SNMP notify type enum.";
    }

    typedef snmp-security-level {
      type enumeration {
        enum "noAuthNoPriv" {
          value 1;
          description
            "No Authentication No Privacy.";
        }
        enum "authentication" {
          value 2;
          description
            "Authentication No Privacy.";
        }
        enum "privacy" {
          value 3;
          description
            "Authentication Privacy.";
        }
      }
      description
        "SNMP security level enum.";
    }

    typedef snmp-filter {
      type enumeration {
        enum "included" {
          value 1;
          description "Included.";
        }
        enum "excluded" {
          value 2;
          description "Excluded.";
        }
      }
      description "SNMP filter type enum.";
    }

    typedef snmp-access {
      type enumeration {
        enum "read" {
          value 0;
          description "Read access.";
        }
        enum "write" {
          value 1;
          description "Write access.";
        }
      }
      description "SNMP access enum.";
    }

    typedef snmp-authenmode {
      type enumeration {
        enum "noAuth" {
          value 0;
          description
            "Without any authentication algorithm.";
        }
        enum "md5" {
          value 1;
          description
            "MD5 authentication algorithm.";
        }
        enum "sha" {
          value 2;
          description
            "SHA authentication algorithm.";
        }
        enum "sha2-224" {
          value 5;
          description
            "SHA2-224 authentication algorithm.";
        }
        enum "sha2-256" {
          value 6;
          description
            "SHA2-256 authentication algorithm.";
        }
        enum "sha2-384" {
          value 7;
          description
            "SHA2-384 authentication algorithm.";
        }
        enum "sha2-512" {
          value 8;
          description
            "SHA2-512 authentication algorithm.";
        }
      }
      description
        "SNMP authentication protocol enum.";
    }

    typedef snmp-local-authenmode {
      type enumeration {
        enum "md5" {
          value 1;
          description
            "MD5 authentication algorithm.";
        }
        enum "sha" {
          value 2;
          description
            "SHA authentication algorithm.";
        }
        enum "sha2-224" {
          value 5;
          description
            "SHA2-224 authentication algorithm.";
        }
        enum "sha2-256" {
          value 6;
          description
            "SHA2-256 authentication algorithm.";
        }
        enum "sha2-384" {
          value 7;
          description
            "SHA2-384 authentication algorithm.";
        }
        enum "sha2-512" {
          value 8;
          description
            "SHA2-512 authentication algorithm.";
        }
      }
      description
        "SNMP local-user authentication protocol enum.";
    }

    typedef snmp-domain {
      type enumeration {
        enum "snmpUDPDomain" {
          value 1;
          description "SNMP UDP Domain.";
        }
      }
      description
        "SNMP address domain enum.";
    }

    typedef snmp-security-model {
      type enumeration {
        enum "v1" {
          value 1;
          description "SNMPv1: SNMPv1.";
        }
        enum "v2c" {
          value 2;
          description "SNMPv2c: SNMPv2c.";
        }
        enum "usm" {
          value 3;
          description "USM: USM.";
        }
      }
      description
        "SNMP security model enum.";
    }

    typedef snmp-target-host-version {
      type enumeration {
        enum "v1" {
          value 0;
          description "V1.";
        }
        enum "v2c" {
          value 1;
          description "V2c.";
        }
        enum "v3" {
          value 2;
          description "V3.";
        }
      }
      description
        "SNMP target-host version enum.";
    }

    typedef snmp-proxy-type {
      type enumeration {
        enum "read" {
          value 1;
          description "Read access.";
        }
        enum "write" {
          value 2;
          description "Write access.";
        }
        enum "trap" {
          value 3;
          description "Trap.";
        }
        enum "inform" {
          value 4;
          description "Inform.";
        }
      }
      description "SNMP proxy type enum.";
    }
  }  // submodule huawei-snmp-type