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

    yang-version 1;

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

    prefix um-logging-cfg;

    import Cisco-IOS-XR-types {
      prefix xr;
    }
    import ietf-inet-types {
      prefix inet;
    }
    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 logging package configuration.

This YANG module augments the
modules with configuration data.

Copyright (c) 2021 by Cisco Systems, Inc.
All rights reserved.";

    revision "2021-03-08" {
      description "Initial release";
    }

    semver:module-version "1.0.0";

    container logging {
      description
        "Modify message logging facilities";
      leaf console {
        type enumeration {
          enum "emergencies" {
            value 0;
            description
              "System is unusable                (severity=0)";
          }
          enum "alerts" {
            value 1;
            description
              "Immediate action needed           (severity=1)";
          }
          enum "critical" {
            value 2;
            description
              "Critical conditions               (severity=2)";
          }
          enum "errors" {
            value 3;
            description
              "Error conditions                  (severity=3)";
          }
          enum "warning" {
            value 4;
            description
              "Warning conditions                (severity=4)";
          }
          enum "notifications" {
            value 5;
            description
              "Normal but significant conditions (severity=5)";
          }
          enum "informational" {
            value 6;
            description
              "Informational messages            (severity=6)";
          }
          enum "debugging" {
            value 7;
            description
              "Debugging messages                (severity=7)";
          }
          enum "disable" {
            value 15;
            description
              "Disable logging                               ";
          }
        }
        description "Set console logging";
      }

      leaf trap {
        type enumeration {
          enum "emergencies" {
            value 0;
            description
              "System is unusable                (severity=0)";
          }
          enum "alerts" {
            value 1;
            description
              "Immediate action needed           (severity=1)";
          }
          enum "critical" {
            value 2;
            description
              "Critical conditions               (severity=2)";
          }
          enum "errors" {
            value 3;
            description
              "Error conditions                  (severity=3)";
          }
          enum "warning" {
            value 4;
            description
              "Warning conditions                (severity=4)";
          }
          enum "notifications" {
            value 5;
            description
              "Normal but significant conditions (severity=5)";
          }
          enum "informational" {
            value 6;
            description
              "Informational messages            (severity=6)";
          }
          enum "debugging" {
            value 7;
            description
              "Debugging messages                (severity=7)";
          }
          enum "disable" {
            value 15;
            description
              "Disable logging                               ";
          }
        }
        description "Set trap logging";
      }

      leaf monitor {
        type enumeration {
          enum "emergencies" {
            value 0;
            description
              "System is unusable                (severity=0)";
          }
          enum "alerts" {
            value 1;
            description
              "Immediate action needed           (severity=1)";
          }
          enum "critical" {
            value 2;
            description
              "Critical conditions               (severity=2)";
          }
          enum "errors" {
            value 3;
            description
              "Error conditions                  (severity=3)";
          }
          enum "warning" {
            value 4;
            description
              "Warning conditions                (severity=4)";
          }
          enum "notifications" {
            value 5;
            description
              "Normal but significant conditions (severity=5)";
          }
          enum "informational" {
            value 6;
            description
              "Informational messages            (severity=6)";
          }
          enum "debugging" {
            value 7;
            description
              "Debugging messages                (severity=7)";
          }
          enum "disable" {
            value 15;
            description
              "Disable logging                               ";
          }
        }
        description "Set monitor logging";
      }

      container archive {
        description
          "logging to a persistent device(disk/harddisk)";
        container device {
          description
            "Configure the archive device";
          container disk0 {
            must
              "not(../disk1 or ../harddisk)";
            presence
              "Indicates a disk0 node is configured.";
            description
              "Use disk0 as the archive device";
          }  // container disk0

          container disk1 {
            must
              "not(../disk0 or ../harddisk)";
            presence
              "Indicates a disk1 node is configured.";
            description
              "Use disk1 as the archive device";
          }  // container disk1

          container harddisk {
            must "not(../disk0 or ../disk1)";
            presence
              "Indicates a harddisk node is configured.";
            description
              "Use harddisk as the archive device";
          }  // container harddisk
        }  // container device

        container frequency {
          description
            "The collection interval for logs";
          container daily {
            must "not(../weekly)";
            presence
              "Indicates a daily node is configured.";
            description
              "Collect log in files on a daily basis";
          }  // container daily

          container weekly {
            must "not(../daily)";
            presence
              "Indicates a weekly node is configured.";
            description
              "Collect log in files on a weekly basis";
          }  // container weekly
        }  // container frequency

        leaf file-size {
          type uint32 {
            range "1..2047";
          }
          description
            "The maximum file size for a single log file.";
        }

        leaf archive-size {
          type uint32 {
            range "1..2047";
          }
          description
            "The total size of the archive";
        }

        leaf archive-length {
          type uint32 {
            range "1..256";
          }
          description
            "The maximum no of weeks of log to maintain";
        }

        leaf severity {
          type enumeration {
            enum "emergencies" {
              value 0;
              description
                "System is unusable                (severity=0)";
            }
            enum "alerts" {
              value 1;
              description
                "Immediate action needed           (severity=1)";
            }
            enum "critical" {
              value 2;
              description
                "Critical conditions               (severity=2)";
            }
            enum "errors" {
              value 3;
              description
                "Error conditions                  (severity=3)";
            }
            enum "warnings" {
              value 4;
              description
                "Warning conditions                (severity=4)";
            }
            enum "notifications" {
              value 5;
              description
                "Normal but significant conditions (severity=5)";
            }
            enum "informational" {
              value 6;
              description
                "Informational messages            (severity=6)";
            }
            enum "debugging" {
              value 7;
              description
                "Debugging messages                (severity=7)";
            }
          }
          description
            "The minimum severity of log messages to archive";
        }

        leaf threshold {
          type uint32 {
            range "1..99";
          }
          description
            "The size threshold at which a syslog is generated";
        }
      }  // container archive

      container ipv4 {
        description
          "Mark the dscp/precedence bit for ipv4 packets";
        leaf dscp {
          type union {
            type uint32 {
              range "0..63";
            }
            type enumeration {
              enum "default" {
                value 0;
                description
                  "Match packets with default dscp (000000)";
              }
              enum "cs1" {
                value 8;
                description
                  "Match packets with CS1(precedence 1) dscp (001000)";
              }
              enum "af11" {
                value 10;
                description
                  "Match packets with AF11 dscp (001010)";
              }
              enum "af12" {
                value 12;
                description
                  "Match packets with AF12 dscp (001100)";
              }
              enum "af13" {
                value 14;
                description
                  "Match packets with AF13 dscp (001110)";
              }
              enum "cs2" {
                value 16;
                description
                  "Match packets with CS2(precedence 2) dscp (010000)";
              }
              enum "af21" {
                value 18;
                description
                  "Match packets with AF21 dscp (010010)";
              }
              enum "af22" {
                value 20;
                description
                  "Match packets with AF22 dscp (010100)";
              }
              enum "af23" {
                value 22;
                description
                  "Match packets with AF23 dscp (010110)";
              }
              enum "cs3" {
                value 24;
                description
                  "Match packets with CS3(precedence 3) dscp (011000)";
              }
              enum "af31" {
                value 26;
                description
                  "Match packets with AF31 dscp (011010)";
              }
              enum "af32" {
                value 28;
                description
                  "Match packets with AF32 dscp (011100)";
              }
              enum "af33" {
                value 30;
                description
                  "Match packets with AF33 dscp (011110)";
              }
              enum "cs4" {
                value 32;
                description
                  "Match packets with CS4(precedence 4) dscp (100000)";
              }
              enum "af41" {
                value 34;
                description
                  "Match packets with AF41 dscp (100010)";
              }
              enum "af42" {
                value 36;
                description
                  "Match packets with AF42 dscp (100100)";
              }
              enum "af43" {
                value 38;
                description
                  "Match packets with AF43 dscp (100110)";
              }
              enum "cs5" {
                value 40;
                description
                  "Match packets with CS5(precedence 5) dscp (101000)";
              }
              enum "ef" {
                value 46;
                description
                  "Match packets with EF dscp (101110)";
              }
              enum "cs6" {
                value 48;
                description
                  "Match packets with CS6(precedence 6) dscp (110000)";
              }
              enum "cs7" {
                value 56;
                description
                  "Match packets with CS7(precedence 7) dscp (111000)";
              }
            }
          }
          must "not(../precedence)";
          description
            "Set IP DSCP (DiffServ CodePoint)";
        }

        leaf precedence {
          type union {
            type uint32 {
              range "0..7";
            }
            type enumeration {
              enum "routine" {
                value 0;
                description
                  "Match packets with routine precedence (0)";
              }
              enum "priority" {
                value 1;
                description
                  "Match packets with priority precedence (1)";
              }
              enum "immediate" {
                value 2;
                description
                  "Match packets with immediate precedence (2)";
              }
              enum "flash" {
                value 3;
                description
                  "Match packets with flash precedence (3)";
              }
              enum "flash-override" {
                value 4;
                description
                  "Match packets with flash override precedence (4)";
              }
              enum "critical" {
                value 5;
                description
                  "Match packets with critical precedence (5)";
              }
              enum "internet" {
                value 6;
                description
                  "Match packets with internetwork control precedence (6)";
              }
              enum "network" {
                value 7;
                description
                  "Match packets with network control precedence (7)";
              }
            }
          }
          must "not(../dscp)";
          description "Set precedence";
        }
      }  // container ipv4

      container ipv6 {
        description
          "Mark the dscp/precedence bit for ipv6 packets";
        leaf dscp {
          type union {
            type uint32 {
              range "0..63";
            }
            type enumeration {
              enum "default" {
                value 0;
                description
                  "Match packets with default dscp (000000)";
              }
              enum "cs1" {
                value 8;
                description
                  "Match packets with CS1(precedence 1) dscp (001000)";
              }
              enum "af11" {
                value 10;
                description
                  "Match packets with AF11 dscp (001010)";
              }
              enum "af12" {
                value 12;
                description
                  "Match packets with AF12 dscp (001100)";
              }
              enum "af13" {
                value 14;
                description
                  "Match packets with AF13 dscp (001110)";
              }
              enum "cs2" {
                value 16;
                description
                  "Match packets with CS2(precedence 2) dscp (010000)";
              }
              enum "af21" {
                value 18;
                description
                  "Match packets with AF21 dscp (010010)";
              }
              enum "af22" {
                value 20;
                description
                  "Match packets with AF22 dscp (010100)";
              }
              enum "af23" {
                value 22;
                description
                  "Match packets with AF23 dscp (010110)";
              }
              enum "cs3" {
                value 24;
                description
                  "Match packets with CS3(precedence 3) dscp (011000)";
              }
              enum "af31" {
                value 26;
                description
                  "Match packets with AF31 dscp (011010)";
              }
              enum "af32" {
                value 28;
                description
                  "Match packets with AF32 dscp (011100)";
              }
              enum "af33" {
                value 30;
                description
                  "Match packets with AF33 dscp (011110)";
              }
              enum "cs4" {
                value 32;
                description
                  "Match packets with CS4(precedence 4) dscp (100000)";
              }
              enum "af41" {
                value 34;
                description
                  "Match packets with AF41 dscp (100010)";
              }
              enum "af42" {
                value 36;
                description
                  "Match packets with AF42 dscp (100100)";
              }
              enum "af43" {
                value 38;
                description
                  "Match packets with AF43 dscp (100110)";
              }
              enum "cs5" {
                value 40;
                description
                  "Match packets with CS5(precedence 5) dscp (101000)";
              }
              enum "ef" {
                value 46;
                description
                  "Match packets with EF dscp (101110)";
              }
              enum "cs6" {
                value 48;
                description
                  "Match packets with CS6(precedence 6) dscp (110000)";
              }
              enum "cs7" {
                value 56;
                description
                  "Match packets with CS7(precedence 7) dscp (111000)";
              }
            }
          }
          must "not(../precedence)";
          description
            "Set IP DSCP (DiffServ CodePoint)";
        }

        leaf precedence {
          type union {
            type uint32 {
              range "0..7";
            }
            type enumeration {
              enum "routine" {
                value 0;
                description
                  "Match packets with routine precedence (0)";
              }
              enum "priority" {
                value 1;
                description
                  "Match packets with priority precedence (1)";
              }
              enum "immediate" {
                value 2;
                description
                  "Match packets with immediate precedence (2)";
              }
              enum "flash" {
                value 3;
                description
                  "Match packets with flash precedence (3)";
              }
              enum "flash-override" {
                value 4;
                description
                  "Match packets with flash override precedence (4)";
              }
              enum "critical" {
                value 5;
                description
                  "Match packets with critical precedence (5)";
              }
              enum "internet" {
                value 6;
                description
                  "Match packets with internetwork control precedence (6)";
              }
              enum "network" {
                value 7;
                description
                  "Match packets with network control precedence (7)";
              }
            }
          }
          must "not(../dscp)";
          description "Set precedence";
        }
      }  // container ipv6

      container facility {
        description
          "Modify message logging facilities";
        leaf level {
          type enumeration {
            enum "kern" {
              value 0;
              description "Kernel";
            }
            enum "user" {
              value 8;
              description "User process";
            }
            enum "mail" {
              value 16;
              description "Mail system";
            }
            enum "daemon" {
              value 24;
              description "System daemons";
            }
            enum "auth" {
              value 32;
              description
                "Authorization system";
            }
            enum "syslog" {
              value 40;
              description "Syslog itself";
            }
            enum "lpr" {
              value 48;
              description
                " Line printer system";
            }
            enum "news" {
              value 56;
              description "USENET news";
            }
            enum "uucp" {
              value 64;
              description
                "Unix-to-Unix copy system";
            }
            enum "cron" {
              value 72;
              description "Cron/at facility";
            }
            enum "local0" {
              value 128;
              description "Local use";
            }
            enum "local1" {
              value 136;
              description "Local use";
            }
            enum "local2" {
              value 144;
              description "Local use";
            }
            enum "local3" {
              value 152;
              description "Local use";
            }
            enum "local4" {
              value 160;
              description "Local use";
            }
            enum "local5" {
              value 168;
              description "Local use";
            }
            enum "local6" {
              value 176;
              description "Local use";
            }
            enum "local7" {
              value 184;
              description "Local use";
            }
            enum "sys9" {
              value 192;
              description "System use";
            }
            enum "sys10" {
              value 200;
              description "System use";
            }
            enum "sys11" {
              value 208;
              description "System use";
            }
            enum "sys12" {
              value 216;
              description "System use";
            }
            enum "sys13" {
              value 224;
              description "System use";
            }
            enum "sys14" {
              value 232;
              description "System use";
            }
          }
          description "configure this node";
        }
      }  // container facility

      container buffered {
        description
          "Set buffered logging parameters";
        leaf logging-buffer-size {
          type uint32 {
            range "307200..125000000";
          }
          description "Logging buffer size";
        }

        leaf level {
          type enumeration {
            enum "emergencies" {
              value 0;
              description
                "System is unusable";
            }
            enum "alerts" {
              value 1;
              description
                "Immediate action needed";
            }
            enum "critical" {
              value 2;
              description
                "Critical conditions";
            }
            enum "errors" {
              value 3;
              description "Error conditions";
            }
            enum "warnings" {
              value 4;
              description
                "Warning conditions";
            }
            enum "notifications" {
              value 5;
              description
                "Normal but significant conditions";
            }
            enum "informational" {
              value 6;
              description
                "Informational messages";
            }
            enum "debugging" {
              value 7;
              description
                "Debugging messages";
            }
          }
          description "configure this node";
        }

        container discriminator {
          description
            "Set logging buffer discriminator";
          leaf match1 {
            type xr:Cisco-ios-xr-string {
              length "1..32";
            }
            description
              "Set match discriminator 1";
          }

          leaf match2 {
            type xr:Cisco-ios-xr-string {
              length "1..32";
            }
            description
              "Set match discriminator 2";
          }

          leaf match3 {
            type xr:Cisco-ios-xr-string {
              length "1..32";
            }
            description
              "Set match discriminator 3";
          }

          leaf nomatch1 {
            type xr:Cisco-ios-xr-string {
              length "1..32";
            }
            description
              "Set no-match discriminator 1";
          }

          leaf nomatch2 {
            type xr:Cisco-ios-xr-string {
              length "1..32";
            }
            description
              "Set no-match discriminator 2";
          }

          leaf nomatch3 {
            type xr:Cisco-ios-xr-string {
              length "1..32";
            }
            description
              "Set no-match discriminator 3";
          }
        }  // container discriminator
      }  // container buffered

      container container {
        description
          "Enable to include containers application logs";
        container all {
          presence
            "Indicates a all node is configured.";
          description
            "All running container";
        }  // container all
      }  // container container

      container files {
        description "Set file logging";
        list file {
          key "file-name";
          description "Set file logging";
          leaf file-name {
            type xr:Cisco-ios-xr-string {
              length "1..256";
            }
            description "Set file logging";
          }

          leaf path {
            type string {
              length "1..256";
            }
            mandatory true;
            description "Set file path ";
          }

          leaf maxfilesize {
            type uint32 {
              range "1..2097152";
            }
            mandatory true;
            description "Set max file size";
          }

          leaf severity {
            type enumeration {
              enum "emergencies" {
                value 0;
                description
                  "System is unusable                (severity=0)";
              }
              enum "alerts" {
                value 1;
                description
                  "Immediate action needed           (severity=1)";
              }
              enum "critical" {
                value 2;
                description
                  "Critical conditions               (severity=2)";
              }
              enum "error" {
                value 3;
                description
                  "Error conditions                  (severity=3)";
              }
              enum "warning" {
                value 4;
                description
                  "Warning conditions                (severity=4)";
              }
              enum "notifications" {
                value 5;
                description
                  "Normal but significant conditions (severity=5)";
              }
              enum "info" {
                value 6;
                description
                  "Informational messages            (severity=6)";
              }
              enum "debugging" {
                value 7;
                description
                  "Debugging messages                (severity=7)";
              }
            }
            mandatory true;
            description "Set severity level";
          }

          container local-accounting {
            presence
              "Indicates a local-accounting node is configured.";
            description
              "Store only the command accounting logs";
            container send-to-remote {
              description
                "Send the command accounting logs to syslog server";
              container facility {
                description
                  "Modify message logging facilities";
                leaf level {
                  type enumeration {
                    enum "kern" {
                      value 0;
                      description "Kernel";
                    }
                    enum "user" {
                      value 8;
                      description
                        "User process";
                    }
                    enum "mail" {
                      value 16;
                      description
                        "Mail system";
                    }
                    enum "daemon" {
                      value 24;
                      description
                        "System daemons";
                    }
                    enum "auth" {
                      value 32;
                      description
                        "Authorization system";
                    }
                    enum "syslog" {
                      value 40;
                      description
                        "Syslog itself";
                    }
                    enum "lpr" {
                      value 48;
                      description
                        " Line printer system";
                    }
                    enum "news" {
                      value 56;
                      description
                        "USENET news";
                    }
                    enum "uucp" {
                      value 64;
                      description
                        "Unix-to-Unix copy system";
                    }
                    enum "cron" {
                      value 72;
                      description
                        "Cron/at facility";
                    }
                    enum "local0" {
                      value 128;
                      description
                        "Local use";
                    }
                    enum "local1" {
                      value 136;
                      description
                        "Local use";
                    }
                    enum "local2" {
                      value 144;
                      description
                        "Local use";
                    }
                    enum "local3" {
                      value 152;
                      description
                        "Local use";
                    }
                    enum "local4" {
                      value 160;
                      description
                        "Local use";
                    }
                    enum "local5" {
                      value 168;
                      description
                        "Local use";
                    }
                    enum "local6" {
                      value 176;
                      description
                        "Local use";
                    }
                    enum "local7" {
                      value 184;
                      description
                        "Local use";
                    }
                    enum "sys9" {
                      value 192;
                      description
                        "System use";
                    }
                    enum "sys10" {
                      value 200;
                      description
                        "System use";
                    }
                    enum "sys11" {
                      value 208;
                      description
                        "System use";
                    }
                    enum "sys12" {
                      value 216;
                      description
                        "System use";
                    }
                    enum "sys13" {
                      value 224;
                      description
                        "System use";
                    }
                    enum "sys14" {
                      value 232;
                      description
                        "System use";
                    }
                  }
                  description
                    "configure this node";
                }
              }  // container facility
            }  // container send-to-remote
          }  // container local-accounting

          container discriminator {
            description
              "Set file logging discriminator";
            leaf match1 {
              type xr:Cisco-ios-xr-string {
                length "1..32";
              }
              description
                "Set match discriminator 1";
            }

            leaf match2 {
              type xr:Cisco-ios-xr-string {
                length "1..32";
              }
              description
                "Set match discriminator 2";
            }

            leaf match3 {
              type xr:Cisco-ios-xr-string {
                length "1..32";
              }
              description
                "Set match discriminator 3";
            }

            leaf nomatch1 {
              type xr:Cisco-ios-xr-string {
                length "1..32";
              }
              description
                "Set no-match discriminator 1";
            }

            leaf nomatch2 {
              type xr:Cisco-ios-xr-string {
                length "1..32";
              }
              description
                "Set no-match discriminator 2";
            }

            leaf nomatch3 {
              type xr:Cisco-ios-xr-string {
                length "1..32";
              }
              description
                "Set no-match discriminator 3";
            }
          }  // container discriminator
        }  // list file
      }  // container files

      leaf history {
        type enumeration {
          enum "emergencies" {
            value 0;
            description "System is unusable";
          }
          enum "alerts" {
            value 1;
            description
              "Immediate action needed";
          }
          enum "critical" {
            value 2;
            description
              "Critical conditions";
          }
          enum "errors" {
            value 3;
            description "Error conditions";
          }
          enum "warnings" {
            value 4;
            description "Warning conditions";
          }
          enum "notifications" {
            value 5;
            description
              "Normal but significant conditions";
          }
          enum "informational" {
            value 6;
            description
              "Informational messages";
          }
          enum "debugging" {
            value 7;
            description "Debugging messages";
          }
          enum "disable" {
            value 15;
            description "Disable logging";
          }
        }
        description "Set history logging";
      }

      leaf history-size {
        type uint32 {
          range "1..500";
        }
        description "Logging history size";
      }

      container tls-servers {
        description "Secure server over tls";
        list tls-server {
          key "tls-server-name";
          description
            "Secure server over tls";
          leaf tls-server-name {
            type string {
              length "1..800";
            }
            description
              "Secure server over tls";
          }

          leaf vrf {
            type xr:Cisco-ios-xr-string {
              length "1..32";
            }
            description "Set VRF option";
          }

          container address {
            description
              "Specify a TLS server address";
            leaf ipv4 {
              type inet:ipv4-address-no-zone;
              description "IPv4 Address";
            }

            leaf ipv6 {
              type inet:ipv6-address-no-zone;
              description "IPv6 Address";
            }
          }  // container address

          leaf tls-hostname {
            type xr:Cisco-ios-xr-string {
              length "1..800";
            }
            description
              "Hostname or FQDN of Secure Log server";
          }

          leaf trustpoint {
            type xr:Cisco-ios-xr-string {
              length "1..32";
            }
            description "Trustpoint";
          }

          leaf severity {
            type enumeration {
              enum "emergencies" {
                value 0;
                description
                  "System is unusable                (severity=0)";
              }
              enum "alerts" {
                value 1;
                description
                  "Immediate action needed           (severity=1)";
              }
              enum "critical" {
                value 2;
                description
                  "Critical conditions               (severity=2)";
              }
              enum "errors" {
                value 3;
                description
                  "Error conditions                  (severity=3)";
              }
              enum "warnings" {
                value 4;
                description
                  "Warning conditions                (severity=4)";
              }
              enum "notifications" {
                value 5;
                description
                  "Normal but significant conditions (severity=5)";
              }
              enum "informational" {
                value 6;
                description
                  "Informational messages            (severity=6)";
              }
              enum "debugging" {
                value 7;
                description
                  "Debugging messages                (severity=7)";
              }
            }
            description
              "severity of remote host";
          }
        }  // list tls-server
      }  // container tls-servers

      container vrfs {
        description "Set VRF option";
        list vrf {
          key "vrf-name";
          description "Set VRF option";
          leaf vrf-name {
            type union {
              type string {
                pattern 'default';
              }
              type xr:Cisco-ios-xr-string {
                length "1..32";
              }
            }
            description "Set VRF option";
          }

          container host-names {
            list host-name {
              key "name";
              description
                "Name of the logging host";
              leaf name {
                type xr:Cisco-ios-xr-string {
                  length "1..1024";
                  pattern '[a-zA-Z0-9._-]+';
                }
                description
                  "Name of the logging host";
              }

              leaf severity {
                type enumeration {
                  enum "emergencies" {
                    value 0;
                    description
                      "System is unusable                (severity=0)";
                  }
                  enum "alerts" {
                    value 1;
                    description
                      "Immediate action needed           (severity=1)";
                  }
                  enum "critical" {
                    value 2;
                    description
                      "Critical conditions               (severity=2)";
                  }
                  enum "error" {
                    value 3;
                    description
                      "Error conditions                  (severity=3)";
                  }
                  enum "warning" {
                    value 4;
                    description
                      "Warning conditions                (severity=4)";
                  }
                  enum "notifications" {
                    value 5;
                    description
                      "Normal but significant conditions (severity=5)";
                  }
                  enum "info" {
                    value 6;
                    description
                      "Informational messages            (severity=6)";
                  }
                  enum "debugging" {
                    value 7;
                    description
                      "Debugging messages                (severity=7)";
                  }
                }
                description
                  "Set severity of  messages for particular remote host/vrf";
              }

              leaf port {
                type uint32 {
                  range "0..65535";
                }
                description
                  "Set UDP port for this remote host/vrf";
              }

              leaf operator {
                type enumeration {
                  enum "equals-or-higher" {
                    value 0;
                    description
                      "Log messages equal to or higher than severity";
                  }
                  enum "equals" {
                    value 1;
                    description
                      "Log messages equal to severity";
                  }
                  enum "not-equals" {
                    value 2;
                    description
                      "Log messages not equal to severity";
                  }
                }
                description
                  "Set severity operator of  messages for particular remote host/vrf";
              }
            }  // list host-name
          }  // container host-names

          container host-ipv4-addresses {
            list host-ipv4-address {
              key "ipv4-address";
              description
                "IPV4 address of the logging host";
              leaf ipv4-address {
                type inet:ipv4-address-no-zone;
                description
                  "IPV4 address of the logging host";
              }

              leaf severity {
                type enumeration {
                  enum "emergencies" {
                    value 0;
                    description
                      "System is unusable                (severity=0)";
                  }
                  enum "alerts" {
                    value 1;
                    description
                      "Immediate action needed           (severity=1)";
                  }
                  enum "critical" {
                    value 2;
                    description
                      "Critical conditions               (severity=2)";
                  }
                  enum "error" {
                    value 3;
                    description
                      "Error conditions                  (severity=3)";
                  }
                  enum "warning" {
                    value 4;
                    description
                      "Warning conditions                (severity=4)";
                  }
                  enum "notifications" {
                    value 5;
                    description
                      "Normal but significant conditions (severity=5)";
                  }
                  enum "info" {
                    value 6;
                    description
                      "Informational messages            (severity=6)";
                  }
                  enum "debugging" {
                    value 7;
                    description
                      "Debugging messages                (severity=7)";
                  }
                }
                description
                  "Set severity of  messages for particular remote host/vrf";
              }

              leaf port {
                type uint32 {
                  range "0..65535";
                }
                description
                  "Set UDP port for this remote host/vrf";
              }

              leaf operator {
                type enumeration {
                  enum "equals-or-higher" {
                    value 0;
                    description
                      "Log messages equal to or higher than severity";
                  }
                  enum "equals" {
                    value 1;
                    description
                      "Log messages equal to severity";
                  }
                  enum "not-equals" {
                    value 2;
                    description
                      "Log messages not equal to severity";
                  }
                }
                description
                  "Set severity operator of  messages for particular remote host/vrf";
              }
            }  // list host-ipv4-address
          }  // container host-ipv4-addresses

          container host-ipv6-addresses {
            list host-ipv6-address {
              key "ipv6-address";
              description
                "IPV6 address of the logging host";
              leaf ipv6-address {
                type inet:ipv4-address-no-zone;
                description
                  "IPV6 address of the logging host";
              }

              leaf severity {
                type enumeration {
                  enum "emergencies" {
                    value 0;
                    description
                      "System is unusable                (severity=0)";
                  }
                  enum "alerts" {
                    value 1;
                    description
                      "Immediate action needed           (severity=1)";
                  }
                  enum "critical" {
                    value 2;
                    description
                      "Critical conditions               (severity=2)";
                  }
                  enum "error" {
                    value 3;
                    description
                      "Error conditions                  (severity=3)";
                  }
                  enum "warning" {
                    value 4;
                    description
                      "Warning conditions                (severity=4)";
                  }
                  enum "notifications" {
                    value 5;
                    description
                      "Normal but significant conditions (severity=5)";
                  }
                  enum "info" {
                    value 6;
                    description
                      "Informational messages            (severity=6)";
                  }
                  enum "debugging" {
                    value 7;
                    description
                      "Debugging messages                (severity=7)";
                  }
                }
                description
                  "Set severity of  messages for particular remote host/vrf";
              }

              leaf port {
                type uint32 {
                  range "0..65535";
                }
                description
                  "Set UDP port for this remote host/vrf";
              }

              leaf operator {
                type enumeration {
                  enum "equals-or-higher" {
                    value 0;
                    description
                      "Log messages equal to or higher than severity";
                  }
                  enum "equals" {
                    value 1;
                    description
                      "Log messages equal to severity";
                  }
                  enum "not-equals" {
                    value 2;
                    description
                      "Log messages not equal to severity";
                  }
                }
                description
                  "Set severity operator of  messages for particular remote host/vrf";
              }
            }  // list host-ipv6-address
          }  // container host-ipv6-addresses
        }  // list vrf
      }  // container vrfs

      leaf hostnameprefix {
        type xr:Cisco-ios-xr-string {
          length "1..800";
        }
        description
          "Hostname prefix to add on msgs to servers";
      }

      leaf localfilesize {
        type uint32 {
          range "0..4294967295";
        }
        description
          "Set size of the local log file";
      }

      container source-interfaces {
        description
          "Specify interface for source address in logging transactions";
        list source-interface {
          key "source-interface-name";
          description
            "Specify interface for source address in logging transactions";
          leaf source-interface-name {
            type xr:Interface-name;
            description
              "Specify interface for source address in logging transactions";
          }

          container vrfs {
            description "Set VRF option";
            list vrf {
              key "vrf-name";
              description "Set VRF option";
              leaf vrf-name {
                type union {
                  type string {
                    pattern 'default';
                  }
                  type xr:Cisco-ios-xr-string {
                    length "1..1024";
                  }
                }
                description "Set VRF option";
              }
            }  // list vrf
          }  // container vrfs
        }  // list source-interface
      }  // container source-interfaces

      container suppress {
        description
          "Suppress logging behaviour";
        container duplicates {
          presence
            "Indicates a duplicates node is configured.";
          description
            "Suppress consecutive duplicate messages";
        }  // container duplicates
      }  // container suppress

      container format {
        description
          "Specify syslog message format send to the server";
        container rfc5424 {
          must "not(../bsd)";
          presence
            "Indicates a rfc5424 node is configured.";
          description
            "Enable to send the syslog message rfc5424 format ";
        }  // container rfc5424

        container bsd {
          must "not(../rfc5424)";
          presence
            "Indicates a bsd node is configured.";
          description
            "Enable to send the syslog message as BSD format ";
        }  // container bsd
      }  // container format
    }  // container logging
  }  // module Cisco-IOS-XR-um-logging-cfg