OID reference

ieee8021MstpTopologyChanges

2.49.0.2.111.2.802.1.1.6.1.2.1.5

Description

In an MSTP Bridge, count of the times tcWhile (13.21) has been non-zero for any Port for the MSTI since the Bridge was powered on or initialized.

Full description and source information

Identification

Identifier and names

Parent: 2.49.0.2.111.2.802.1.1.6.1.2.1 (ieee8021MstpEntry)
Node code: 5
Node name: ieee8021MstpTopologyChanges
Numeric OID: 2.49.0.2.111.2.802.1.1.6.1.2.1.5
URN notation: urn:oid:2.49.0.2.111.2.802.1.1.6.1.2.1.5
Type: OBJECT-TYPE

ASN.1, OID-IRI and named path variants

ASN.1 notation

{2 49 0 2 111 2 802 1 1 6 1 2 1 5}

{joint-iso-itu-t(2) alerting(49) wmo(0) org(2) 111 2 802 1 ieee802dot1mibs(1) ieee8021MstpMib(6) ieee8021MstpObjects(1) ieee8021MstpTable(2) ieee8021MstpEntry(1) ieee8021MstpTopologyChanges(5)}
{joint-iso-ccitt(2) alerting(49) wmo(0) org(2) 111 2 802 1 ieee802dot1mibs(1) ieee8021MstpMib(6) ieee8021MstpObjects(1) ieee8021MstpTable(2) ieee8021MstpEntry(1) ieee8021MstpTopologyChanges(5)}

OID-IRI notation

/2/49/0/2/111/2/802/1/1/6/1/2/1/5
/Alerting/WMO/2/111/2/802/1/1/6/1/2/1/5
/Alerting/0/2/111/2/802/1/1/6/1/2/1/5
/Joint-ISO-ITU-T/49/0/2/111/2/802/1/1/6/1/2/1/5

Named path variants

/joint-iso-itu-t/alerting/wmo/org/111/2/802/1/ieee802dot1mibs/ieee8021MstpMib/ieee8021MstpObjects/ieee8021MstpTable/ieee8021MstpEntry/ieee8021MstpTopologyChanges
/joint-iso-ccitt/alerting/wmo/org/111/2/802/1/ieee802dot1mibs/ieee8021MstpMib/ieee8021MstpObjects/ieee8021MstpTable/ieee8021MstpEntry/ieee8021MstpTopologyChanges

Meaning

Descriptions

1 unique

Identical descriptions are grouped. Different wording and device-specific notes are retained.

In an MSTP Bridge, count of the times tcWhile (13.21) has been
non-zero for any Port for the MSTI since the Bridge was powered
on or initialized.

Sources for this description

IEEE 802

Historical records

Additional source information

Information from IEEE 802

ieee8021MstpTopologyChanges OBJECT-TYPE
    SYNTAX      Counter64
    UNITS       "topology changes"
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
        "In an MSTP Bridge, count of the times tcWhile (13.21) has been
         non-zero for any Port for the MSTI since the Bridge was powered
         on or initialized."
    REFERENCE   "13.21"
    ::= { ieee8021MstpEntry 5 }

Registration

Registration authorities

First Registration Authority (inferred from ancestor 2.49.0.2)

Ms. Haleh Kootval

Current Registration Authority (inferred from ancestor 2.49.0)

Ms. Haleh Kootval

Siblings (14)

OID	Name	Description
2.49.0.2.111.2.802.1.1.6.1.2.1.1	ieee8021MstpComponentId	The component identifier is used to distinguish between the multiple virtual bridge instances within a PBB. In simple situations…
2.49.0.2.111.2.802.1.1.6.1.2.1.2	ieee8021MstpId	In an MSTP Bridge, this parameter is the MSTID, i.e. the identifier of a Spanning Tree (or MST) Instance.
2.49.0.2.111.2.802.1.1.6.1.2.1.3	ieee8021MstpBridgeId	In an MSTP Bridge, the Bridge Identifier for the MSTI.
2.49.0.2.111.2.802.1.1.6.1.2.1.4	ieee8021MstpTimeSinceTopologyChange	In an MSTP Bridge, count in seconds of the time elapsed since tcWhile (13.21) was last non-zero for any Port for the MSTI.
2.49.0.2.111.2.802.1.1.6.1.2.1.6	ieee8021MstpTopologyChange	In an MSTP Bridge, the Topology Change parameter value: true(1) if tcWhile is non-zero for any Port for the MSTI.
2.49.0.2.111.2.802.1.1.6.1.2.1.7	ieee8021MstpDesignatedRoot	In an MSTP Bridge, the Designated Root parameter value, i.e. the Bridge Identifier of the Root Bridge for the MSTI.
2.49.0.2.111.2.802.1.1.6.1.2.1.8	ieee8021MstpRootPathCost	In an MSTP Bridge, the Root Path Cost parameter value, i.e. the path cost from the transmitting Bridge to the Root Bridge for the…
2.49.0.2.111.2.802.1.1.6.1.2.1.9	ieee8021MstpRootPort	In an MSTP Bridge, the Root Port parameter value, i.e. the Root Port for the MSTI.
2.49.0.2.111.2.802.1.1.6.1.2.1.10	ieee8021MstpBridgePriority	In an MSTP Bridge, the Bridge Priority parameter value for the MSTI, i.e. the four most significant bits of the Bridge Identifie…
2.49.0.2.111.2.802.1.1.6.1.2.1.11	ieee8021MstpVids0	This object contains the first 1024 bits of the 4096 bit vector indicating which VIDs are assigned to this MSTID. The high orde…
2.49.0.2.111.2.802.1.1.6.1.2.1.12	ieee8021MstpVids1	This object contains the second 1024 bits of the 4096 bit vector indicating which VIDs are assigned to this MSTID. The high ord…
2.49.0.2.111.2.802.1.1.6.1.2.1.13	ieee8021MstpVids2	This object contains the third 1024 bits of the 4096 bit vector indicating which VIDs are assigned to this MSTID. The high orde…
2.49.0.2.111.2.802.1.1.6.1.2.1.14	ieee8021MstpVids3	This object contains the fourth 1024 bits of the 4096 bit vector indicating which VIDs are assigned to this MSTID. The high ord…
2.49.0.2.111.2.802.1.1.6.1.2.1.15	ieee8021MstpRowStatus	The status of the row. Read SNMPv2-TC (RFC2579) for an explanation of the possible values this object can take. The writable colum…