module Cisco-IOS-XR-ipv6-ma-cfg {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XR-ipv6-ma-cfg";

    prefix ipv6-ma-cfg;

    import ietf-inet-types {
      prefix inet;
    }
    import Cisco-IOS-XR-types {
      prefix xr;
    }
    import cisco-semver {
      prefix semver;
    }
    import Cisco-IOS-XR-ip-iarm-datatypes {
      prefix dt1;
    }
    import Cisco-IOS-XR-ifmgr-cfg {
      prefix a1;
    }

    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 ipv6-ma package configuration.
     
     This YANG module augments the
       Cisco-IOS-XR-ifmgr-cfg
     module with configuration data.
     
     Copyright (c) 2013-2021 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2021-01-29" {
      description
        "Removed Yang support for mcast-mac-filter.";
    }

    revision "2020-02-18" {
      description
        "Added new leaf icmp-unreach-disable.
       2019-12-12
       New leaf node added.";
    }

    revision "2019-10-31" {
      description "Added mandatory nodes.";
    }

    revision "2019-04-05" {
      description
        "Establish semantic version baseline.";
    }

    revision "2017-05-01" {
      description
        "Fixing backward compatibility error in module.";
    }

    revision "2017-03-03" {
      description "Descriptions updated.";
    }

    revision "2015-01-07" {
      description "IOS XR 5.3.1 revision.";
    }

    semver:module-version "2.1.0";
    semver:module-version "2.1.0";
    semver:module-version "2.0.0";
    semver:module-version "1.0.0";

    typedef Ipv6-self-ping {
      type enumeration {
        enum "disabled" {
          value 0;
          description
            "Doesn't allow router to ping itself";
        }
        enum "enabled" {
          value 1;
          description
            "Allow router to ping itself";
        }
      }
      description "Ipv6 self ping";
    }

    typedef Ipv6-reachable {
      type enumeration {
        enum "any" {
          value 0;
          description
            "Source is reachable via any interface";
        }
        enum "received" {
          value 1;
          description
            "Source is reachable via interface on which
           packet was received";
        }
      }
      description "Ipv6 reachable";
    }

    typedef Ipv6-default-ping {
      type enumeration {
        enum "disabled" {
          value 0;
          description
            "Default route is not allowed to match when
           checking source address";
        }
        enum "enabled" {
          value 1;
          description
            "Allow default route to match when checking
           source address";
        }
      }
      description "Ipv6 default ping";
    }

    typedef Ipv6-qppb {
      type enumeration {
        enum "none" {
          value 0;
          description
            "No QPPB configuration";
        }
        enum "ip-precedence" {
          value 1;
          description
            "Enable ip-precedence based QPPB";
        }
        enum "qos-group" {
          value 2;
          description
            "Enable qos-group based QPPB";
        }
        enum "both" {
          value 3;
          description
            "Enable both ip-precedence and qos-group based
           QPPB";
        }
      }
      description "Ipv6 qppb";
    }

    augment /a1:interface-configurations/a1:interface-configuration {
      description
        "This augment extends the configuration data of
       'Cisco-IOS-XR-ifmgr-cfg'";
      container ipv6-network {
        description
          "Interface IPv6 Network configuration data";
        container bgp-qos-policy-propagation {
          presence
            "Indicates a bgp-qos-policy-propagation node is configured.";
          description
            "Configure BGP QoS policy propagation";
          leaf source {
            type Ipv6-qppb;
            mandatory true;
            description
              "QPPB configuration on source";
          }

          leaf destination {
            type Ipv6-qppb;
            mandatory true;
            description
              "QPPB configuration on destination";
          }
        }  // container bgp-qos-policy-propagation

        container bgp-policy-accountings {
          description
            "IPv6 BGP Policy Accounting";
          list bgp-policy-accounting {
            key "direction";
            description
              "Accounting input or output";
            leaf direction {
              type xr:Cisco-ios-xr-string;
              description
                "Accouting on input or output";
            }

            leaf destination-accounting {
              type boolean;
              mandatory true;
              description
                "Accounting on Destination IP Address";
            }

            leaf source-accounting {
              type boolean;
              mandatory true;
              description
                "Accounting on Source IP Address";
            }
          }  // list bgp-policy-accounting
        }  // container bgp-policy-accountings

        container verify {
          presence
            "Indicates a verify node is configured.";
          description
            "IPv6 Verify Unicast Souce Reachable";
          leaf reachable {
            type Ipv6-reachable;
            mandatory true;
            description
              "Source Reachable Interface";
          }

          leaf self-ping {
            type Ipv6-self-ping;
            mandatory true;
            description "Allow Self Ping";
          }

          leaf default-ping {
            type Ipv6-default-ping;
            mandatory true;
            description
              "Allow Default Route";
          }
        }  // container verify

        container addresses {
          description
            "Set the IPv6 address of an interface";
          container segment-routings {
            description
              "Segment Routing Table";
            list segment-routing {
              key "address";
              description
                "Segment Routing Submode ";
              container ipv6-prefix-sid {
                presence
                  "Indicates a ipv6-prefix-sid node is configured.";
                description
                  "Prefix-Sid for Segment Routing";
                leaf prefix-length {
                  type dt1:Ipv6arm-prefix-length;
                  mandatory true;
                  description
                    "Prefix Length";
                }

                leaf zone {
                  type string;
                  description
                    "IPv6 address zone";
                }

                leaf route-tag {
                  type uint32 {
                    range "1..4294967295";
                  }
                  description "RouteTag";
                }
              }  // container ipv6-prefix-sid

              leaf enable {
                type empty;
                description
                  "Segment Routing Submode";
              }

              leaf address {
                type inet:ip-address-no-zone;
                description "IPv6 address";
              }
            }  // list segment-routing
          }  // container segment-routings

          container link-local-address {
            presence
              "Indicates a link-local-address node is configured.";
            description
              "Link local IPv6 address";
            leaf address {
              type inet:ip-address-no-zone;
              mandatory true;
              description "IPv6 address";
            }

            leaf zone {
              type string;
              mandatory true;
              description
                "IPv6 address zone";
            }

            leaf route-tag {
              type uint32 {
                range "1..4294967295";
              }
              description "RouteTag";
            }
          }  // container link-local-address

          container eui64-addresses {
            description
              "EUI-64 IPv6 address Table";
            list eui64-address {
              key "address";
              description
                "EUI-64 IPv6 address";
              leaf address {
                type inet:ip-address-no-zone;
                description "IPv6 address";
              }

              leaf prefix-length {
                type dt1:Ipv6arm-prefix-length;
                mandatory true;
                description "Prefix Length";
              }

              leaf zone {
                type string;
                mandatory true;
                description
                  "IPv6 address zone";
              }

              leaf route-tag {
                type uint32 {
                  range "1..4294967295";
                }
                description "RouteTag";
              }
            }  // list eui64-address
          }  // container eui64-addresses

          container regular-addresses {
            description
              "Regular IPv6 address Table";
            list regular-address {
              key "address";
              description
                "Regular IPv6 address";
              leaf address {
                type inet:ip-address-no-zone;
                description "IPv6 address";
              }

              leaf prefix-length {
                type dt1:Ipv6arm-prefix-length;
                mandatory true;
                description "Prefix Length";
              }

              leaf zone {
                type string;
                mandatory true;
                description
                  "IPv6 address zone";
              }

              leaf route-tag {
                type uint32 {
                  range "1..4294967295";
                }
                description "RouteTag";
              }
            }  // list regular-address
          }  // container regular-addresses

          container auto-configuration {
            description
              "Auto IPv6 Interface Configuration";
            leaf enable {
              type empty;
              description
                "The flag to enable auto ipv6 interface
               configuration";
            }

            leaf auto-config-slaac {
              type empty;
              description
                "Enable slaac on Mgmt interface";
            }
          }  // container auto-configuration

          leaf ipv6-dhcp-client-config {
            type empty;
            description
              "Enable DHCPv6 Client";
          }
        }  // container addresses

        container bgp-flow-tag-policy-table {
          description
            "Interface ipv6 bgp policy propagation flowtag
           configuration";
          container bgp-flow-tag-policy {
            description "Input";
            leaf source {
              type boolean;
              description
                "Flow Tag configuration on source";
            }

            leaf destination {
              type boolean;
              description
                "Flow Tag configuration on destination";
            }
          }  // container bgp-flow-tag-policy
        }  // container bgp-flow-tag-policy-table

        leaf mtu {
          type uint32 {
            range "1280..65535";
          }
          description
            "MTU Setting of Interface";
        }

        leaf unnumbered {
          type xr:Interface-name;
          description
            "Enable IPv6 processing without an explicit
           address";
        }

        leaf ttl-propagate-disable {
          type empty;
          description
            "Disabled TTL propagate on an interface";
        }

        leaf tcp-mss-adjust-enable {
          type empty;
          description
            "Enable TCP MSS adjust on an interface";
        }

        leaf icmp-unreach-disable {
          type empty;
          description
            "Disable ICMP unreachable for Nullx interface";
        }

        leaf unreachables {
          type empty;
          description
            "Override Sending of ICMP Unreachable Messages";
        }
      }  // container ipv6-network
    }
  }  // module Cisco-IOS-XR-ipv6-ma-cfg