OID reference

ieee8021MstpCistTopologyChange

2.49.0.2.111.2.802.1.1.6.1.1.1.3

Description

In an STP Bridge, the value of the Topology Change parameter (14.8.1.1.3, item d of IEEE Std 802.1D, 2004 Edition), or in an RSTP or MSTP Bridge, asserted if the tcWhile timer for any Port for the CIST is non-zero.

Full description and source information

Identification

Identifier and names

Parent
2.49.0.2.111.2.802.1.1.6.1.1.1 (ieee8021MstpCistEntry)
Node code
3
Node name
ieee8021MstpCistTopologyChange
Numeric OID
2.49.0.2.111.2.802.1.1.6.1.1.1.3
URN notation
urn:oid:2.49.0.2.111.2.802.1.1.6.1.1.1.3
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 1 1 3}

  • {joint-iso-itu-t(2) alerting(49) wmo(0) org(2) 111 2 802 1 ieee802dot1mibs(1) ieee8021MstpMib(6) ieee8021MstpObjects(1) ieee8021MstpCistTable(1) ieee8021MstpCistEntry(1) ieee8021MstpCistTopologyChange(3)}
  • {joint-iso-ccitt(2) alerting(49) wmo(0) org(2) 111 2 802 1 ieee802dot1mibs(1) ieee8021MstpMib(6) ieee8021MstpObjects(1) ieee8021MstpCistTable(1) ieee8021MstpCistEntry(1) ieee8021MstpCistTopologyChange(3)}
OID-IRI notation
  • /2/49/0/2/111/2/802/1/1/6/1/1/1/3
  • /Alerting/WMO/2/111/2/802/1/1/6/1/1/1/3
  • /Alerting/0/2/111/2/802/1/1/6/1/1/1/3
  • /Joint-ISO-ITU-T/49/0/2/111/2/802/1/1/6/1/1/1/3
Named path variants
  • /joint-iso-itu-t/alerting/wmo/org/111/2/802/1/ieee802dot1mibs/ieee8021MstpMib/ieee8021MstpObjects/ieee8021MstpCistTable/ieee8021MstpCistEntry/ieee8021MstpCistTopologyChange
  • /joint-iso-ccitt/alerting/wmo/org/111/2/802/1/ieee802dot1mibs/ieee8021MstpMib/ieee8021MstpObjects/ieee8021MstpCistTable/ieee8021MstpCistEntry/ieee8021MstpCistTopologyChange

Meaning

Descriptions

1 unique

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

In an STP Bridge, the value of the Topology Change parameter
(14.8.1.1.3, item d of IEEE Std 802.1D, 2004 Edition), or in
an RSTP or MSTP Bridge, asserted if the tcWhile timer for any
Port for the CIST is non-zero.
Sources for this description

IEEE 802

Historical records

Additional source information

Information from IEEE 802 
ieee8021MstpCistTopologyChange OBJECT-TYPE
    SYNTAX      TruthValue
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
        "In an STP Bridge, the value of the Topology Change parameter
        (14.8.1.1.3, item d of IEEE Std 802.1D, 2004 Edition), or in
        an RSTP or MSTP Bridge, asserted if the tcWhile timer for any
        Port for the CIST is non-zero."
    REFERENCE   "14.8.1.1.3:d of IEEE 802.1D-2004"
    ::= { ieee8021MstpCistEntry 3 }

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 (5)

OIDNameDirect childrenDescendantsDescription
2.49.0.2.111.2.802.1.1.6.1.1.1.1 ieee8021MstpCistComponentId00 The component identifier is used to distinguish between the
multiple virtual bridge instances within a PBB. In simple
situations…
2.49.0.2.111.2.802.1.1.6.1.1.1.2 ieee8021MstpCistBridgeIdentifier00 The Bridge Identifier for the CIST.
2.49.0.2.111.2.802.1.1.6.1.1.1.4 ieee8021MstpCistRegionalRootIdentifier00 In an MSTP Bridge, the CIST Regional Root Identifier parameter,
i.e. the Bridge Identifier of the current CIST Regional Root.
2.49.0.2.111.2.802.1.1.6.1.1.1.5 ieee8021MstpCistPathCost00 In an MSTP Bridge, the CIST Path Cost parameter, i.e. the CIST
path cost from the transmitting Bridge to the CIST Regional Root.
…
2.49.0.2.111.2.802.1.1.6.1.1.1.6 ieee8021MstpCistMaxHops00 In an MSTP Bridge, the MaxHops parameter.

The value of this object MUST be retained across
reinitializations of the management sy…