Reference record for OID 1.3.6.1.4.1.2.6.257.1.5.2.1.21

Parent

1.3.6.1.4.1.2.6.257.1.5.2.1 (driveConfigEntry)

Node code

Node name

mediaAccessDevice-Port0TopologyActual

Numeric OID

1.3.6.1.4.1.2.6.257.1.5.2.1.21

URN notation

urn:oid:1.3.6.1.4.1.2.6.257.1.5.2.1.21

ASN.1 notation

{1 3 6 1 4 1 2 6 257 1 5 2 1 21}

{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) ibm(2) ibmProd(6) ibmQueryConfig(257) ibmQueryConfigRoot(1) driveConfigurationGroup(5) driveConfigTable(2) driveConfigEntry(1) mediaAccessDevice-Port0TopologyActual(21)}
{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) ibm(2) prod(6) ibmQueryConfig(257) ibmQueryConfigRoot(1) driveConfigurationGroup(5) driveConfigTable(2) driveConfigEntry(1) mediaAccessDevice-Port0TopologyActual(21)}
{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprises(1) ibm(2) ibmProd(6) ibmQueryConfig(257) ibmQueryConfigRoot(1) driveConfigurationGroup(5) driveConfigTable(2) driveConfigEntry(1) mediaAccessDevice-Port0TopologyActual(21)}
{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprises(1) ibm(2) prod(6) ibmQueryConfig(257) ibmQueryConfigRoot(1) driveConfigurationGroup(5) driveConfigTable(2) driveConfigEntry(1) mediaAccessDevice-Port0TopologyActual(21)}
{iso(1) identified-organization(3) dod(6) internet(1) private(4) ldap-enterprise(1) ibm(2) ibmProd(6) ibmQueryConfig(257) ibmQueryConfigRoot(1) driveConfigurationGroup(5) driveConfigTable(2) driveConfigEntry(1) mediaAccessDevice-Port0TopologyActual(21)}
{iso(1) identified-organization(3) dod(6) internet(1) private(4) ldap-enterprise(1) ibm(2) prod(6) ibmQueryConfig(257) ibmQueryConfigRoot(1) driveConfigurationGroup(5) driveConfigTable(2) driveConfigEntry(1) mediaAccessDevice-Port0TopologyActual(21)}
{iso(1) identified-organization(3) dod(6) internet(1) private(4) vendor-objects(1) ibm(2) ibmProd(6) ibmQueryConfig(257) ibmQueryConfigRoot(1) driveConfigurationGroup(5) driveConfigTable(2) driveConfigEntry(1) mediaAccessDevice-Port0TopologyActual(21)}
{iso(1) identified-organization(3) dod(6) internet(1) private(4) vendor-objects(1) ibm(2) prod(6) ibmQueryConfig(257) ibmQueryConfigRoot(1) driveConfigurationGroup(5) driveConfigTable(2) driveConfigEntry(1) mediaAccessDevice-Port0TopologyActual(21)}
{iso(1) org(3) dod(6) internet(1) private(4) enterprise(1) ibm(2) ibmProd(6) ibmQueryConfig(257) ibmQueryConfigRoot(1) driveConfigurationGroup(5) driveConfigTable(2) driveConfigEntry(1) mediaAccessDevice-Port0TopologyActual(21)}
{iso(1) org(3) dod(6) internet(1) private(4) enterprise(1) ibm(2) prod(6) ibmQueryConfig(257) ibmQueryConfigRoot(1) driveConfigurationGroup(5) driveConfigTable(2) driveConfigEntry(1) mediaAccessDevice-Port0TopologyActual(21)}
{iso(1) org(3) dod(6) internet(1) private(4) enterprises(1) ibm(2) ibmProd(6) ibmQueryConfig(257) ibmQueryConfigRoot(1) driveConfigurationGroup(5) driveConfigTable(2) driveConfigEntry(1) mediaAccessDevice-Port0TopologyActual(21)}
{iso(1) org(3) dod(6) internet(1) private(4) enterprises(1) ibm(2) prod(6) ibmQueryConfig(257) ibmQueryConfigRoot(1) driveConfigurationGroup(5) driveConfigTable(2) driveConfigEntry(1) mediaAccessDevice-Port0TopologyActual(21)}
{iso(1) org(3) dod(6) internet(1) private(4) ldap-enterprise(1) ibm(2) ibmProd(6) ibmQueryConfig(257) ibmQueryConfigRoot(1) driveConfigurationGroup(5) driveConfigTable(2) driveConfigEntry(1) mediaAccessDevice-Port0TopologyActual(21)}
{iso(1) org(3) dod(6) internet(1) private(4) ldap-enterprise(1) ibm(2) prod(6) ibmQueryConfig(257) ibmQueryConfigRoot(1) driveConfigurationGroup(5) driveConfigTable(2) driveConfigEntry(1) mediaAccessDevice-Port0TopologyActual(21)}
{iso(1) org(3) dod(6) internet(1) private(4) vendor-objects(1) ibm(2) ibmProd(6) ibmQueryConfig(257) ibmQueryConfigRoot(1) driveConfigurationGroup(5) driveConfigTable(2) driveConfigEntry(1) mediaAccessDevice-Port0TopologyActual(21)}
{iso(1) org(3) dod(6) internet(1) private(4) vendor-objects(1) ibm(2) prod(6) ibmQueryConfig(257) ibmQueryConfigRoot(1) driveConfigurationGroup(5) driveConfigTable(2) driveConfigEntry(1) mediaAccessDevice-Port0TopologyActual(21)}
Additional combinations skipped.

OID-IRI notation

/1/3/6/1/4/1/2/6/257/1/5/2/1/21
/ISO/Identified-Organization/6/1/4/1/2/6/257/1/5/2/1/21
/ISO/3/6/1/4/1/2/6/257/1/5/2/1/21

Named path variants

/iso/identified-organization/dod/internet/private/enterprise/ibm/ibmProd/ibmQueryConfig/ibmQueryConfigRoot/driveConfigurationGroup/driveConfigTable/driveConfigEntry/mediaAccessDevice-Port0TopologyActual
/iso/identified-organization/dod/internet/private/enterprise/ibm/prod/ibmQueryConfig/ibmQueryConfigRoot/driveConfigurationGroup/driveConfigTable/driveConfigEntry/mediaAccessDevice-Port0TopologyActual
/iso/identified-organization/dod/internet/private/enterprise/IBM/ibmProd/ibmQueryConfig/ibmQueryConfigRoot/driveConfigurationGroup/driveConfigTable/driveConfigEntry/mediaAccessDevice-Port0TopologyActual
/iso/identified-organization/dod/internet/private/enterprise/IBM/prod/ibmQueryConfig/ibmQueryConfigRoot/driveConfigurationGroup/driveConfigTable/driveConfigEntry/mediaAccessDevice-Port0TopologyActual
/iso/identified-organization/dod/internet/private/enterprises/ibm/ibmProd/ibmQueryConfig/ibmQueryConfigRoot/driveConfigurationGroup/driveConfigTable/driveConfigEntry/mediaAccessDevice-Port0TopologyActual
/iso/identified-organization/dod/internet/private/enterprises/ibm/prod/ibmQueryConfig/ibmQueryConfigRoot/driveConfigurationGroup/driveConfigTable/driveConfigEntry/mediaAccessDevice-Port0TopologyActual
/iso/identified-organization/dod/internet/private/enterprises/IBM/ibmProd/ibmQueryConfig/ibmQueryConfigRoot/driveConfigurationGroup/driveConfigTable/driveConfigEntry/mediaAccessDevice-Port0TopologyActual
/iso/identified-organization/dod/internet/private/enterprises/IBM/prod/ibmQueryConfig/ibmQueryConfigRoot/driveConfigurationGroup/driveConfigTable/driveConfigEntry/mediaAccessDevice-Port0TopologyActual
/iso/identified-organization/dod/internet/private/ldap-enterprise/ibm/ibmProd/ibmQueryConfig/ibmQueryConfigRoot/driveConfigurationGroup/driveConfigTable/driveConfigEntry/mediaAccessDevice-Port0TopologyActual
/iso/identified-organization/dod/internet/private/ldap-enterprise/ibm/prod/ibmQueryConfig/ibmQueryConfigRoot/driveConfigurationGroup/driveConfigTable/driveConfigEntry/mediaAccessDevice-Port0TopologyActual
/iso/identified-organization/dod/internet/private/ldap-enterprise/IBM/ibmProd/ibmQueryConfig/ibmQueryConfigRoot/driveConfigurationGroup/driveConfigTable/driveConfigEntry/mediaAccessDevice-Port0TopologyActual
/iso/identified-organization/dod/internet/private/ldap-enterprise/IBM/prod/ibmQueryConfig/ibmQueryConfigRoot/driveConfigurationGroup/driveConfigTable/driveConfigEntry/mediaAccessDevice-Port0TopologyActual
/iso/identified-organization/dod/internet/private/vendor-objects/ibm/ibmProd/ibmQueryConfig/ibmQueryConfigRoot/driveConfigurationGroup/driveConfigTable/driveConfigEntry/mediaAccessDevice-Port0TopologyActual
/iso/identified-organization/dod/internet/private/vendor-objects/ibm/prod/ibmQueryConfig/ibmQueryConfigRoot/driveConfigurationGroup/driveConfigTable/driveConfigEntry/mediaAccessDevice-Port0TopologyActual
/iso/identified-organization/dod/internet/private/vendor-objects/IBM/ibmProd/ibmQueryConfig/ibmQueryConfigRoot/driveConfigurationGroup/driveConfigTable/driveConfigEntry/mediaAccessDevice-Port0TopologyActual
/iso/identified-organization/dod/internet/private/vendor-objects/IBM/prod/ibmQueryConfig/ibmQueryConfigRoot/driveConfigurationGroup/driveConfigTable/driveConfigEntry/mediaAccessDevice-Port0TopologyActual
Additional combinations skipped.

Descriptions

mediaAccessDevice-Port0TopologyActual — IBM MIB copies (LibreNMS/Observium Community)

Port 0 Actual Topology.

Source records

mediaAccessDevice-Port0TopologyActual

Status in source: mandatory.

Names: mediaAccessDevice-Port0TopologyActual

Technical details

{
  "smi_kind": "OBJECT-TYPE",
  "definition": [
    "mediaAccessDevice-Port0TopologyActual",
    "OBJECT-TYPE",
    "SYNTAX",
    "INTEGER",
    "{",
    "l",
    "(",
    "1",
    ")",
    ",",
    "n",
    "(",
    "2",
    ")",
    ",",
    "unknown",
    "(",
    "3",
    ")",
    ",",
    "notapplicable",
    "(",
    "4",
    ")",
    "}",
    "ACCESS",
    "read-only",
    "STATUS",
    "mandatory",
    "DESCRIPTION",
    "\"Port 0 Actual Topology.\"",
    "::=",
    "{",
    "driveConfigEntry",
    "21",
    "}"
  ],
  "syntax_tree": [
    [
      "SimpleSyntax",
      "INTEGER",
      [
        "enumSpec",
        [
          [
            "l",
            1
          ],
          [
            "n",
            2
          ],
          [
            "unknown",
            3
          ],
          [
            "notapplicable",
            4
          ]
        ]
      ]
    ],
    null,
    [
      "MaxAccessPart",
      "read-only"
    ],
    [
      "Status",
      "mandatory"
    ],
    [
      "DESCRIPTION",
      "Port 0 Actual Topology."
    ],
    null,
    null,
    null,
    null
  ]
}

IBM MIB copies (LibreNMS/Observium Community) · Publisher's source file: IBM-AUTOMATION-QUERY-MIB
Vendor MIB copy from the LibreNMS archive. IBM support.

Module: IBM-AUTOMATION-QUERY-MIB
Published definition
```
mediaAccessDevice-Port0TopologyActual   OBJECT-TYPE 
    SYNTAX          INTEGER {
                            l (1),
                                                        n (2),
                                                        unknown(3),
                                                        notapplicable(4)}
                                                        
    ACCESS          read-only
    STATUS          mandatory
    DESCRIPTION     
        "Port 0 Actual Topology."
    ::=  {  driveConfigEntry  21  }
```
Module imports
```
{'RFC-1212': ['OBJECT-TYPE'], 'SNMPv2-TC': ['DisplayString'], 'RFC1155-SMI': ['enterprises']}
```
· Download IBM-AUTOMATION-QUERY-MIB
Related source files and packages:
- LibreNMS original distribution archiveFile: librenms/librenms/tar.gz/…; 80.2 MiB
- Archive revision metadata: librenms/librenms (JSON)File: repos/librenms/librenms/commits/master; 36,945 bytes
Source location: IBM-AUTOMATION-QUERY-MIB::mediaAccessDevice-Port0TopologyActual.
Source version and references

Downloaded: 2026-10-24T02:12:38.557573+00:00.

First Registration Authority (inferred from ancestor 1.3.6.1.4.1.2)

Bob Moore

Siblings (25)

OID	Name	Direct children	Descendants	Description
1.3.6.1.4.1.2.6.257.1.5.2.1.1	mediaAccessDevice-Index	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.2	mediaAccessDevice-FrameIdx	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.3	mediaAccessDevice-ColumnIdx	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.4	mediaAccessDevice-RowIdx	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.5	mediaAccessDevice-LogLib	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.6	mediaAccessDevice-VEA	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.7	mediaAccessDevice-Installed	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.8	mediaAccessDevice-IsControlPath	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.9	mediaAccessDevice-DriveType	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.10	mediaAccessDevice-DriveGeneration	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.11	mediaAccessDevice-Port0ID	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.12	mediaAccessDevice-Port1ID	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.13	mediaAccessDevice-Port0State	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.14	mediaAccessDevice-Port1State	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.15	mediaAccessDevice-Port0Speed	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.16	mediaAccessDevice-Port1Speed	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.17	mediaAccessDevice-Port0Topology	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.18	mediaAccessDevice-Port1Topology	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.19	mediaAccessDevice-Port0SpeedActual	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.20	mediaAccessDevice-Port1SpeedActual	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.22	mediaAccessDevice-Port1TopologyActual	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.23	mediaAccessDevice-RevisionLevel	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.24	mediaAccessDevice-Port0WWPN	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.25	mediaAccessDevice-Port1WWPN	0	0
1.3.6.1.4.1.2.6.257.1.5.2.1.26	mediaAccessDevice-AssignedWWN	0	0