module Cisco-IOS-XE-ppp-oper {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XE-ppp-oper";

    prefix ppp-ios-xe-oper;

    import ietf-inet-types {
      prefix inet;
    }
    import ietf-yang-types {
      prefix yang;
    }
    import cisco-semver {
      prefix cisco-semver;
    }

    organization "Cisco Systems, Inc.";

    contact
      "Cisco Systems, Inc.
     Customer Service

     Postal: 170 W Tasman Drive
     San Jose, CA 95134

     Tel: +1 1800 553-NETS

     E-mail: cs-yang@cisco.com";

    description
      "This module contains a collection of YANG definitions
     for PPP and PPPoE operational data.
     Copyright (c) 2017-2019 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2019-05-01" {
      description "Added semantic version";
      reference
        "1.3.0";

    }

    revision "2018-10-29" {
      description
        "Cleaned up spelling errors in descriptions.";
      reference
        "1.2.0";

    }

    revision "2018-02-19" {
      description
        "Addition of PPPoE statistics with padt and invalid discovery packet";
      reference
        "1.1.0";

    }

    revision "2017-11-01" {
      description "Initial revision";
      reference
        "1.0.0";

    }

    cisco-semver:module-version "1.3.0";
    cisco-semver:module-version "1.2.0";
    cisco-semver:module-version "1.1.0";
    cisco-semver:module-version "1.0.0";

    typedef ppp-ios-auth-type {
      type enumeration {
        enum "ppp-ios-auth-none" {
          value 0;
          description "No authentication.";
        }
        enum "ppp-ios-auth-chap" {
          value 1;
          description
            "Challenge Handshake Authentication (CHAP).";
        }
        enum "ppp-ios-auth-pap" {
          value 2;
          description
            "Password Authentication Protocol (PAP).";
        }
        enum "ppp-ios-auth-mschap" {
          value 3;
          description
            "Microsoft CHAP (MS CHAP).";
        }
        enum "ppp-ios-auth-mschap-v2" {
          value 4;
          description
            "Microsoft CHAP, Version 2 (MS CHAP V2).";
        }
        enum "ppp-ios-auth-eap" {
          value 5;
          description
            "Extensible Authentication Protocol (EAP).";
        }
      }
      description
        "Authentication type for the PPP session";
    }

    typedef pppoe-operational-role {
      type enumeration {
        enum "pppoe-client" {
          value 0;
          description
            "PPPoE device role is a client";
        }
        enum "pppoe-server" {
          value 1;
          description
            "PPPoE device role is a server";
        }
      }
      description
        "The role that this PPPoE session is in";
    }

    container ppp-data {
      config false;
      description "Operational state of PPP";
      list ppp-interface {
        key "phy-ifname";
        description
          "A list of the PPP information";
        leaf phy-ifname {
          type string;
          description
            "Ifname of Physical Access (Parent) Interface ";
        }

        list ppp-va {
          description
            "List of PPPoE sessions on ifname Physical access interface";
          leaf va-ifname {
            type string;
            description
              "PPP Virtual Access Interface Name";
          }

          leaf vrf-name {
            type string;
            description
              "VRF of Virtual Access Interface";
          }

          leaf interface-ip {
            type inet:ip-address;
            description
              "IP Address assigned/negotiated by PPP";
          }

          leaf gateway-ip {
            type inet:ip-address;
            description
              "Gateway IP Address assigned/negotiated by PPP";
          }

          leaf primary-dns-ip {
            type inet:ip-address;
            description
              "Primary DNS IP Address assigned/negotiated by PPP";
          }

          leaf secondary-dns-ip {
            type inet:ip-address;
            description
              "Secondary DNS IP Address assigned/negotiated by PPP";
          }

          leaf mtu {
            type uint32;
            description
              "MTU for PPP interface";
          }

          leaf auth-type {
            type ppp-ios-auth-type;
            description
              "Authentication type for PPP interface";
          }
        }  // list ppp-va
      }  // list ppp-interface

      container ppp-statistics {
        presence "ppp-statistics";
        description "The PPP statistics";
        leaf ppp-lcp-pkts {
          type uint32;
          description
            "number of PPP LCP packets";
        }

        leaf ppp-ipcp-pkts {
          type uint32;
          description
            "number of PPP NCP/IPCP packets";
        }

        leaf ppp-ccp-pkts {
          type uint32;
          description
            "number of PPP CCP packets";
        }
      }  // container ppp-statistics

      container pppoe {
        presence "pppoe";
        description
          "The PPPoE operation information";
        leaf role {
          type pppoe-operational-role;
          description
            "The current PPPoE role";
        }

        list pppoe-session-list {
          key "ifname";
          description "PPPoE session list";
          leaf ifname {
            type string;
            description
              "Ifname of Physical Access (Parent) Interface";
          }

          list session {
            description
              "List of PPPoE session on ifname Physical access interface";
            leaf session-id {
              type uint16;
              description
                "Session Id of PPPoE sessions";
            }

            leaf lmac {
              type yang:mac-address;
              description
                "Local MAC Address";
            }

            leaf rmac {
              type yang:mac-address;
              description "Peer MAC Address";
            }

            leaf va-ifname {
              type string;
              description
                "Ifname of Virtual Access Interface";
            }

            leaf vrf-name {
              type string;
              description
                "VRF of Virtual Access Interface ";
            }

            leaf dot1q-qinq-outer-vlan {
              type uint16;
              description
                "PPPoE session VLAN/QinQ ID
Outer VLAN (QinQ) or only VLAN ID";
            }

            leaf dot1q-qinq-inner-vlan {
              type uint16;
              description
                "PPPoE session VLAN/QinQ ID
Inner VLAN ID (QinQ) (if valid)";
            }

            leaf service-name {
              type string;
              description
                "PPPoE service tag name";
            }

            leaf in-packet {
              type uint32;
              description
                "Number of packets received over session";
            }

            leaf out-packet {
              type uint32;
              description
                "Number of packets sent over session";
            }

            leaf in-bytes {
              type uint64;
              description
                "Number of bytes received over session";
            }

            leaf out-bytes {
              type uint64;
              description
                "Number of bytes sent over session";
            }
          }  // list session
        }  // list pppoe-session-list

        container pppoe-statistics {
          presence "pppoe-statistics";
          description "PPPoE statistics";
          leaf pppoe-padi-pkts {
            type uint32;
            description
              "PPPoE active discovery initiation packets";
          }

          leaf pppoe-pado-pkts {
            type uint32;
            description
              "PPPoE active discovery offer packets";
          }

          leaf pppoe-padr-pkts {
            type uint32;
            description
              "PPPoE active discovery response packets";
          }

          leaf pppoe-pads-pkts {
            type uint32;
            description
              "PPPoE active discovery session packets";
          }

          leaf pppoe-padt-pkts {
            type uint32;
            description
              "PPPoE active discovery terminate packets";
          }

          leaf invalid-discovery-pkts {
            type uint32;
            description
              "PPPoE invalid discovery packets";
          }
        }  // container pppoe-statistics
      }  // container pppoe
    }  // container ppp-data
  }  // module Cisco-IOS-XE-ppp-oper