module ENTITY-STATE-TC-MIB {

    yang-version 1;

    namespace
      "urn:ietf:params:xml:ns:yang:smiv2:ENTITY-STATE-TC-MIB";

    prefix entity-state;

    import yang-smi {
      prefix smi;
    }

    organization
      "IETF Entity MIB Working Group";

    contact
      "General Discussion: entmib@ietf.org
      To Subscribe:
      http://www.ietf.org/mailman/listinfo/entmib
      
      http://www.ietf.org/html.charters/entmib-charter.html
      
      Sharon Chisholm
      Nortel Networks
      PO Box 3511 Station C
      Ottawa, Ont.  K1Y 4H7
      Canada
      schishol@nortel.com
      
      David T. Perkins
      548 Qualbrook Ct
      San Jose, CA 95110
      USA
      Phone: 408 394-8702
      dperkins@snmpinfo.com";

    description
      "This MIB defines state textual conventions.
      
      Copyright (C) The Internet Society 2005.  This version
      of this MIB module is part of RFC 4268;  see the RFC
      itself for full legal notices.";

    revision "2005-11-22" {
      description
        "Initial version, published as RFC 4268.";
    }


    typedef EntityAdminState {
      type enumeration {
        enum "unknown" {
          value 1;
        }
        enum "locked" {
          value 2;
        }
        enum "shuttingDown" {
          value 3;
        }
        enum "unlocked" {
          value 4;
        }
      }
      description
        " Represents the various possible administrative states.
         
         
         
         
         
         A value of 'locked' means the resource is administratively
         prohibited from use.  A value of 'shuttingDown' means that
         usage is administratively limited to current instances of
         use.  A value of 'unlocked' means the resource is not
         administratively prohibited from use.  A value of
         'unknown' means that this resource is unable to
         report administrative state.";
    }

    typedef EntityOperState {
      type enumeration {
        enum "unknown" {
          value 1;
        }
        enum "disabled" {
          value 2;
        }
        enum "enabled" {
          value 3;
        }
        enum "testing" {
          value 4;
        }
      }
      description
        " Represents the possible values of operational states.
         
         A value of 'disabled' means the resource is totally
         inoperable.  A value of 'enabled' means the resource
         is partially or fully operable.  A value of 'testing'
         means the resource is currently being tested
         and cannot therefore report whether it is operational
         or not.  A value of 'unknown' means that this
         resource is unable to report operational state.";
    }

    typedef EntityUsageState {
      type enumeration {
        enum "unknown" {
          value 1;
        }
        enum "idle" {
          value 2;
        }
        enum "active" {
          value 3;
        }
        enum "busy" {
          value 4;
        }
      }
      description
        " Represents the possible values of usage states.
         A value of 'idle' means the resource is servicing no
         users.  A value of 'active' means the resource is
         currently in use and it has sufficient spare capacity
         to provide for additional users.  A value of 'busy'
         means the resource is currently in use, but it
         currently has no spare capacity to provide for
         additional users.  A value of 'unknown' means
         that this resource is unable to report usage state.";
    }

    typedef EntityAlarmStatus {
      type bits {
        bit unknown {
          position 0;
        }
        bit underRepair {
          position 1;
        }
        bit critical {
          position 2;
        }
        bit major {
          position 3;
        }
        bit minor {
          position 4;
        }
        bit warning {
          position 5;
        }
        bit indeterminate {
          position 6;
        }
      }
      description
        " Represents the possible values of alarm status.
         An Alarm [RFC3877] is a persistent indication
         of an error or warning condition.
         
         When no bits of this attribute are set, then no active
         alarms are known against this entity and it is not under
         repair.
         
         When the 'value of underRepair' is set, the resource is
         currently being repaired, which, depending on the
         implementation, may make the other values in this bit
         string not meaningful.
         
         When the value of 'critical' is set, one or more critical
         alarms are active against the resource.  When the value
         of 'major' is set, one or more major alarms are active
         against the resource.  When the value of 'minor' is set,
         one or more minor alarms are active against the resource.
         When the value of 'warning' is set, one or more warning
         alarms are active against the resource.  When the value
         of 'indeterminate' is set, one or more alarms of whose
         perceived severity cannot be determined are active
         against this resource.
         
         A value of 'unknown' means that this resource is
         unable to report alarm state.";
    }

    typedef EntityStandbyStatus {
      type enumeration {
        enum "unknown" {
          value 1;
        }
        enum "hotStandby" {
          value 2;
        }
        enum "coldStandby" {
          value 3;
        }
        enum "providingService" {
          value 4;
        }
      }
      description
        " Represents the possible values of standby status.
         
         A value of 'hotStandby' means the resource is not
         providing service, but it will be immediately able to
         take over the role of the resource to be backed up,
         without the need for initialization activity, and will
         contain the same information as the resource to be
         backed up.  A value of 'coldStandy' means that the
         resource is to back up another resource, but will not
         be immediately able to take over the role of a resource
         to be backed up, and will require some initialization
         activity.  A value of 'providingService' means the
         resource is providing service.  A value of
         'unknown' means that this resource is unable to
         report standby state.";
    }
  }  // module ENTITY-STATE-TC-MIB