module Cisco-IOS-XR-um-telnet-cfg {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XR-um-telnet-cfg";

    prefix um-telnet-cfg;

    import Cisco-IOS-XR-types {
      prefix xr;
    }
    import Cisco-IOS-XR-um-line-cfg {
      prefix a1;
    }
    import cisco-semver {
      prefix semver;
    }

    organization "Cisco Systems, Inc.";

    contact
      "Cisco Systems, Inc.
     Customer Service
     
     Postal: 170 West Tasman Drive
     San Jose, CA 95134
     
     Tel: +1 800 553-NETS
     
     E-mail: cs-yang@cisco.com";

    description
      "This module contains a collection of YANG definitions
     for Cisco IOS-XR telnet package configuration.
     
     This YANG module augments the
     modules with configuration data.
     
     Copyright (c) 2020 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2020-09-16" {
      description "Initial release";
    }

    semver:module-version "1.0.0";

    augment /a1:line/a1:console {
      container telnet {
        description
          "Telnet protocol-specific configuration";
        container transparent {
          presence
            "Indicates a transparent node is configured.";
          description
            "Send a CR as a CR followed by a NULL instead of a CR followed by a LF";
        }  // container transparent
      }  // container telnet
    }

    augment /a1:line/a1:default {
      container telnet {
        description
          "Telnet protocol-specific configuration";
        container transparent {
          presence
            "Indicates a transparent node is configured.";
          description
            "Send a CR as a CR followed by a NULL instead of a CR followed by a LF";
        }  // container transparent
      }  // container telnet
    }

    augment /a1:line/a1:templates/a1:template {
      container telnet {
        description
          "Telnet protocol-specific configuration";
        container transparent {
          presence
            "Indicates a transparent node is configured.";
          description
            "Send a CR as a CR followed by a NULL instead of a CR followed by a LF";
        }  // container transparent
      }  // container telnet
    }

    container telnet {
      description
        "Global Telnet configuration commands";
      container ipv4 {
        description "IPv4 configuration";
        container client {
          description
            "Telnet client configuration commands";
          leaf source-interface {
            type xr:Interface-name;
            description
              "Source interface for telnet sessions";
          }
        }  // container client
      }  // container ipv4

      container ipv6 {
        description "IPv6 configuration";
        container client {
          description
            "Telnet client configuration commands";
          leaf source-interface {
            type xr:Interface-name;
            description
              "Source interface for telnet sessions";
          }
        }  // container client
      }  // container ipv6

      container vrfs {
        description
          "VRF name for telnet server";
        list vrf {
          must
            "ipv4/server/max-servers or ipv6/server/max-servers";
          key "vrf-name";
          description "Name of VRF";
          leaf vrf-name {
            type union {
              type string {
                pattern "default";
              }
              type xr:Cisco-ios-xr-string {
                length "1..1024";
              }
            }
            description "Name of VRF";
          }

          container ipv4 {
            description "IPv4 configuration";
            container server {
              description
                "Telnet server configuration commands";
              leaf max-servers {
                type uint32 {
                  range "1..100";
                }
                description
                  "Set number of allowable telnet sessions";
              }

              leaf access-list {
                type xr:Cisco-ios-xr-string {
                  length "1..64";
                }
                must "../max-servers";
                description
                  "Access list for telnet server";
              }
            }  // container server
          }  // container ipv4

          container ipv6 {
            description "IPv6 configuration";
            container server {
              description
                "Telnet server configuration commands";
              leaf max-servers {
                type uint32 {
                  range "1..100";
                }
                description
                  "Set number of allowable telnet sessions";
              }

              leaf access-list {
                type xr:Cisco-ios-xr-string {
                  length "1..64";
                }
                must "../max-servers";
                description
                  "Access list for telnet server";
              }
            }  // container server
          }  // container ipv6
        }  // list vrf

        list vrf-dscp {
          key "vrf-name";
          description "Name of VRF";
          leaf vrf-name {
            type union {
              type string {
                pattern "default";
              }
              type xr:Cisco-ios-xr-string {
                length "1..1024";
              }
            }
            description "Name of VRF";
          }

          container ipv4 {
            description "IPv4 configuration";
            leaf dscp {
              type uint32 {
                range "0..63";
              }
              mandatory true;
              description "dscp";
            }
          }  // container ipv4
        }  // list vrf-dscp
      }  // container vrfs
    }  // container telnet
  }  // module Cisco-IOS-XR-um-telnet-cfg