module CLAB-TOPO-MIB {

    yang-version 1;

    namespace
      "urn:ietf:params:xml:ns:yang:smiv2:CLAB-TOPO-MIB";

    prefix CLAB-TOPO-MIB;

    import IF-MIB {
      prefix if-mib;
    }
    import SNMP-FRAMEWORK-MIB {
      prefix snmp-framework;
    }
    import SNMPv2-TC {
      prefix snmpv2-tc;
    }
    import ietf-yang-smiv2 {
      prefix smiv2;
    }

    organization
      "Cable Television Laboratories, Inc.";

    contact
      "
    Postal: Cable Television Laboratories, Inc.
    858 Coal Creek Circle
    Louisville, Colorado 80027-9750
    U.S.A.
    Phone: +1 303-661-9100
    Fax: +1 303-661-9199
    E-mail: mibs@cablelabs.com";

    description
      "This MIB module contains the management objects for the
    management of fiber nodes in the Cable plant.";

    revision "2006-12-07" {
      description
        "Initial version, published as part of the CableLabs
      OSSIv3.0 specification CM-SP-OSSIv3.0-I01-061207
      Copyright 1999-2006 Cable Television Laboratories, Inc.
      All rights reserved.";
    }

    smiv2:alias "clabTopoMib" {
      smiv2:oid "1.3.6.1.4.1.4491.4.2";
    }
    smiv2:alias "clabTopoMibObjects" {
      smiv2:oid "1.3.6.1.4.1.4491.4.2.1";
    }
    smiv2:alias "clabTopoMibConformance" {
      smiv2:oid "1.3.6.1.4.1.4491.4.2.2";
    }
    smiv2:alias "clabTopoMibCompliances" {
      smiv2:oid "1.3.6.1.4.1.4491.4.2.2.1";
    }
    smiv2:alias "clabTopoMibGroups" {
      smiv2:oid "1.3.6.1.4.1.4491.4.2.2.2";
    }

    typedef NodeName {
      type binary {
        length "0..16";
      }
      description
        "This data type is a human readable string that represents
      the name of a fiber node. Internationalization is supported
      by conforming to the SNMP textual convention SnmpAdminString.";
      reference
        "RFC 3411.";

    }

    container CLAB-TOPO-MIB {
      config false;
      container clabTopoFiberNodeCfgTable {
        smiv2:oid "1.3.6.1.4.1.4491.4.2.1.1";
        description
          "This object defines the cable HFC plant Fiber Nodes
        known at a CMTS.
        This object supports the creation and deletion of multiple
        instances.";
        list clabTopoFiberNodeCfgEntry {
          smiv2:oid "1.3.6.1.4.1.4491.4.2.1.1.1";
          key "clabTopoFiberNodeCfgNodeName";
          description
            "The conceptual row of clabTopoFiberNodeCfg.
          The CMTS persists all instances of FiberNodeCfg
          across reinitializations.";
          leaf clabTopoFiberNodeCfgNodeName {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.4.1.4491.4.2.1.1.1.1";
            type NodeName {
              length "1..16";
            }
            description
              "This key represents a human-readable name for a fiber
            node.";
            reference
              "DOCSIS 3.0 MAC and Upper Layer Protocols Interface
              Specification CM-SP-MULPIv3.0-I01-060804, RF Topology
              Configuration section.";

          }

          leaf clabTopoFiberNodeCfgNodeDescr {
            smiv2:defval "";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.4.1.4491.4.2.1.1.1.2";
            type snmp-framework:SnmpAdminString;
            description
              "Administratively configured human-readable description
            of the fiber node";
          }

          leaf clabTopoFiberNodeCfgRowStatus {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.4.1.4491.4.2.1.1.1.3";
            type snmpv2-tc:RowStatus;
            description
              "The status of this instance.";
          }
        }  // list clabTopoFiberNodeCfgEntry
      }  // container clabTopoFiberNodeCfgTable

      container clabTopoChFnCfgTable {
        smiv2:oid "1.3.6.1.4.1.4491.4.2.1.2";
        description
          "This object defines the RF topology by defining the
        connectivity of a CMTS's downstream and upstream channels
        to the fiber nodes. Each instance of this object
        describes connectivity of one downstream or upstream
        channel with a single fiber node.
        This object supports the creation and deletion of multiple
        instances.";
        list clabTopoChFnCfgEntry {
          smiv2:oid "1.3.6.1.4.1.4491.4.2.1.2.1";
          key "clabTopoFiberNodeCfgNodeName clabTopoChFnCfgChIfIndex";
          description
            "The conceptual row of clabTopoChFnCfg.
          The CMTS persists all instances of ChFnCfg
          across reinitializations.";
          leaf clabTopoFiberNodeCfgNodeName {
            type leafref {
              path "/CLAB-TOPO-MIB:CLAB-TOPO-MIB/CLAB-TOPO-MIB:clabTopoFiberNodeCfgTable/CLAB-TOPO-MIB:clabTopoFiberNodeCfgEntry/CLAB-TOPO-MIB:clabTopoFiberNodeCfgNodeName";
            }
          }

          leaf clabTopoChFnCfgChIfIndex {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.4.1.4491.4.2.1.2.1.1";
            type if-mib:InterfaceIndex;
            description
              "This key represents the interface index of an upstream
            or downstream channel associated with this fiber
            node. In the upstream direction, only ifIndices
            docsCableUpstream channels are reflected.";
          }

          leaf clabTopoChFnCfgRowStatus {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.4.1.4491.4.2.1.2.1.2";
            type snmpv2-tc:RowStatus;
            description
              "The status of this instance.";
          }
        }  // list clabTopoChFnCfgEntry
      }  // container clabTopoChFnCfgTable
    }  // container CLAB-TOPO-MIB
  }  // module CLAB-TOPO-MIB