IEEE8021-SPANNING-TREE-MIB Table View
Table-centric layout grouping table, row, and column objects.
Tables
3
Rows
3
Columns
35
.1.3.111.2.802.1.1.3.1.1
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1 row entry
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17 columns
A table that contains information related to STP about every Bridge.
A list of objects containing information for each Bridge
about the Spanning Tree Protocol for that Bridge.
about the Spanning Tree Protocol for that Bridge.
Indexes
ieee8021SpanningTreeComponentId
| Column | Syntax | OID | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
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ieee8021SpanningTreeComponentId
The component identifier is used to distinguish between the
multiple virtual Bridge instances within a PBB. In simple situations where there is only a single component the default value is 1. |
IEEE8021-TC-MIBIEEE8021PbbComponentIdentifier Textual Convention: IEEE8021-TC-MIBIEEE8021PbbComponentIdentifier Unsigned32Type Constraints: range: 1..4294967295 |
.1.3.111.2.802.1.1.3.1.1.1.1 |
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ieee8021SpanningTreeProtocolSpecification
An indication of what version of the Spanning Tree Protocol is
being run. The value 'decLb100(2)' indicates the DEC LANbridge 100 Spanning Tree protocol. IEEE 802.1D implementations will return 'ieee8021d(3)'. New en… |
Enumeration Enumerated Values:
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.1.3.111.2.802.1.1.3.1.1.1.2 |
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ieee8021SpanningTreePriority
The value of the write-able portion of the Bridge ID
(i.e., the first two octets of the (8 octet long) Bridge ID). The other (last) 6 octets of the Bridge ID are given by the value of ieee8021BridgeBaseBridgeAddress. O… |
Integer32r/w Constraints: range: 0-65535 |
.1.3.111.2.802.1.1.3.1.1.1.3 |
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ieee8021SpanningTreeTimeSinceTopologyChange
The time (in hundredths of a second) since the
last time a topology change was detected by the Bridge entity. For RSTP, this reports the time since the tcWhile timer for any port on this Bridge was nonzero. |
centi-secondsSNMPv2-SMITimeTicks Textual Convention: SNMPv2-SMITimeTicks Unsigned32Type Constraints: range: 0..4294967295 |
.1.3.111.2.802.1.1.3.1.1.1.4 |
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ieee8021SpanningTreeTopChanges
The total number of topology changes detected by
this Bridge since the management entity was last reset or initialized. Discontinuities in the value of the counter can occur at re-initialization of the ma… |
topology changesSNMPv2-SMICounter64 Textual Convention: SNMPv2-SMICounter64 Unsigned64Type Constraints: range: 0..18446744073709551615 |
.1.3.111.2.802.1.1.3.1.1.1.5 |
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ieee8021SpanningTreeDesignatedRoot
The Bridge identifier of the root of the spanning
tree, as determined by the Spanning Tree Protocol, as executed by this node. This value is used as the Root Identifier parameter in all Configuration Bridge PDUs origin… |
BRIDGE-MIBBridgeId Textual Convention: BRIDGE-MIBBridgeId OctetStringType Constraints: range: 8 |
.1.3.111.2.802.1.1.3.1.1.1.6 |
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ieee8021SpanningTreeRootCost
The cost of the path to the root as seen from
this Bridge. |
SNMPv2-SMIInteger32 Textual Convention: SNMPv2-SMIInteger32 Integer32Type Constraints: range: -2147483648..2147483647 |
.1.3.111.2.802.1.1.3.1.1.1.7 |
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ieee8021SpanningTreeRootPort
The port number of the port that offers the lowest
cost path from this Bridge to the root Bridge. |
IEEE8021-TC-MIBIEEE8021BridgePortNumber Textual Convention: IEEE8021-TC-MIBIEEE8021BridgePortNumber Unsigned32Type Constraints: range: 1..65535 |
.1.3.111.2.802.1.1.3.1.1.1.8 |
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ieee8021SpanningTreeMaxAge
The maximum age of Spanning Tree Protocol information
learned from the network on any port before it is discarded, in units of hundredths of a second. This is the actual value that this Bridge is currently using. |
centi-secondsBRIDGE-MIBTimeout Textual Convention: BRIDGE-MIBTimeout Integer32 |
.1.3.111.2.802.1.1.3.1.1.1.9 |
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ieee8021SpanningTreeHelloTime
The amount of time between the transmission of
Configuration Bridge PDUs by this node on any port when it is the root of the spanning tree, or trying to become so, in units of hundredths of a second. This is the actual… |
centi-secondsBRIDGE-MIBTimeout Textual Convention: BRIDGE-MIBTimeout Integer32 |
.1.3.111.2.802.1.1.3.1.1.1.10 |
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ieee8021SpanningTreeHoldTime
This time value determines the interval length
during which no more than two Configuration Bridge PDUs shall be transmitted by this node, in units of hundredths of a second. |
centi-secondsSNMPv2-SMIInteger32 Textual Convention: SNMPv2-SMIInteger32 Integer32Type Constraints: range: -2147483648..2147483647 |
.1.3.111.2.802.1.1.3.1.1.1.11 |
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ieee8021SpanningTreeForwardDelay
This time value, measured in units of hundredths of a
second, controls how fast a port changes its spanning state when moving towards the Forwarding state. The value determines how long the port stays in each of the Li… |
centi-secondsBRIDGE-MIBTimeout Textual Convention: BRIDGE-MIBTimeout Integer32 |
.1.3.111.2.802.1.1.3.1.1.1.12 |
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ieee8021SpanningTreeBridgeMaxAge
The value that all Bridges use for MaxAge when this
Bridge is acting as the root. Note that IEEE Std 802.1D-1998 specifies that the range for this parameter is related to the value of ieee8021SpanningTreeBridgeHelloTim… |
centi-secondsInteger32r/w Constraints: range: 600-4000 |
.1.3.111.2.802.1.1.3.1.1.1.13 |
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ieee8021SpanningTreeBridgeHelloTime
The value that all Bridges use for HelloTime when this
Bridge is acting as the root. The granularity of this timer is specified by IEEE Std 802.1D-1998 to be 1 second. An agent may return an SNMP badValue error (or it… |
centi-secondsInteger32r/w Constraints: range: 100-1000 |
.1.3.111.2.802.1.1.3.1.1.1.14 |
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ieee8021SpanningTreeBridgeForwardDelay
The value that all Bridges use for ForwardDelay when
this Bridge is acting as the root. Note that IEEE Std 802.1D-1998 specifies that the range for this parameter is related to the value of ieee8021SpanningTreeBridgeM… |
centi-secondsInteger32r/w Constraints: range: 400-3000 |
.1.3.111.2.802.1.1.3.1.1.1.15 |
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ieee8021SpanningTreeVersion
The version of Spanning Tree Protocol the Bridge is
currently running. The values are directly from the IEEE standard. New values may be defined as future versions of the protocol become available. The … |
Enumerationr/w Enumerated Values:
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.1.3.111.2.802.1.1.3.1.1.1.16 |
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ieee8021SpanningTreeRstpTxHoldCount
The value used by the Port Transmit state machine to limit
the maximum transmission rate. This is used by Bridges that are running RSTP. The value of this object MUST be retained across reinitializations… |
Integer32r/w Constraints: range: 1-10 |
.1.3.111.2.802.1.1.3.1.1.1.17 |
.1.3.111.2.802.1.1.3.1.2
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1 row entry
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15 columns
A table that contains port-specific information for the Spanning Tree Protocol.
A list of objects containing information maintained by
every port about the Spanning Tree Protocol state for
that port.
every port about the Spanning Tree Protocol state for
that port.
Indexes
ieee8021SpanningTreePortComponentId ieee8021SpanningTreePort
| Column | Syntax | OID | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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ieee8021SpanningTreePortComponentId
The component identifier is used to distinguish between the
multiple virtual Bridge instances within a PBB. In simple situations where there is only a single component the default value is 1. |
IEEE8021-TC-MIBIEEE8021PbbComponentIdentifier Textual Convention: IEEE8021-TC-MIBIEEE8021PbbComponentIdentifier Unsigned32Type Constraints: range: 1..4294967295 |
.1.3.111.2.802.1.1.3.1.2.1.1 |
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ieee8021SpanningTreePort
The port number of the port for which this entry
contains Spanning Tree Protocol management information. |
IEEE8021-TC-MIBIEEE8021BridgePortNumber Textual Convention: IEEE8021-TC-MIBIEEE8021BridgePortNumber Unsigned32Type Constraints: range: 1..65535 |
.1.3.111.2.802.1.1.3.1.2.1.2 |
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ieee8021SpanningTreePortPriority
The value of the priority field that is contained in
the first (in network byte order) octet of the (2 octet long) Port ID. The other octet of the Port ID is given by the value of ieee8021SpanningTreePort. On Bridges s… |
Integer32r/w Constraints: range: 0-255 |
.1.3.111.2.802.1.1.3.1.2.1.3 |
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ieee8021SpanningTreePortState
The port's current state, as defined by application of
the Spanning Tree Protocol. This state controls what action a port takes on reception of a frame. If the Bridge has detected a port that is malfunctioning, it wil… |
Enumeration Enumerated Values:
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.1.3.111.2.802.1.1.3.1.2.1.4 |
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ieee8021SpanningTreePortEnabled
The enabled/disabled status of the port. A value of true(1)
means the spanning-tree protocol is enabled for this port. The value of this object MUST be retained across reinitializations of the management… |
SNMPv2-TCTruthValuer/w Textual Convention: SNMPv2-TCTruthValue EnumerationType Values:
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.1.3.111.2.802.1.1.3.1.2.1.5 |
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ieee8021SpanningTreePortPathCost
The contribution of this port to the path cost of
paths towards the spanning tree root which include this port. Table 13-4 recommends defaults and ranges for Port Path Cost values, in inverse proportion to the speed of… |
Integer32r/w Constraints: range: 1-200000000 |
.1.3.111.2.802.1.1.3.1.2.1.6 |
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ieee8021SpanningTreePortDesignatedRoot
The unique Bridge Identifier of the Bridge
recorded as the Root in the Configuration BPDUs transmitted by the Designated Bridge for the segment to which the port is attached. |
BRIDGE-MIBBridgeId Textual Convention: BRIDGE-MIBBridgeId OctetStringType Constraints: range: 8 |
.1.3.111.2.802.1.1.3.1.2.1.7 |
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ieee8021SpanningTreePortDesignatedCost
The path cost of the Designated Port of the segment
connected to this port. This value is compared to the Root Path Cost field in received Bridge PDUs. |
SNMPv2-SMIInteger32 Textual Convention: SNMPv2-SMIInteger32 Integer32Type Constraints: range: -2147483648..2147483647 |
.1.3.111.2.802.1.1.3.1.2.1.8 |
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ieee8021SpanningTreePortDesignatedBridge
The Bridge Identifier of the Bridge that this
port considers to be the Designated Bridge for this port's segment. |
BRIDGE-MIBBridgeId Textual Convention: BRIDGE-MIBBridgeId OctetStringType Constraints: range: 8 |
.1.3.111.2.802.1.1.3.1.2.1.9 |
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ieee8021SpanningTreePortDesignatedPort
The Port Identifier of the port on the Designated
Bridge for this port's segment. |
OctetString Constraints: range: 2-2 |
.1.3.111.2.802.1.1.3.1.2.1.10 |
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ieee8021SpanningTreePortForwardTransitions
The number of times this port has transitioned
from the Learning state to the Forwarding state. Discontinuities in the value of the counter can occur at re-initialization of the management system, and at … |
forwarding transitionsSNMPv2-SMICounter64 Textual Convention: SNMPv2-SMICounter64 Unsigned64Type Constraints: range: 0..18446744073709551615 |
.1.3.111.2.802.1.1.3.1.2.1.11 |
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ieee8021SpanningTreeRstpPortProtocolMigration
When operating in RSTP (version 2) mode, writing true(1)
to this object forces this port to transmit RSTP BPDUs. Any other operation on this object has no effect and it always returns false(2) when read. |
SNMPv2-TCTruthValuer/w Textual Convention: SNMPv2-TCTruthValue EnumerationType Values:
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.1.3.111.2.802.1.1.3.1.2.1.12 |
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ieee8021SpanningTreeRstpPortAdminEdgePort
The administrative value of the Edge Port parameter.
A value of true(1) indicates that this port should be assumed as an edge-port, and a value of false(2) indicates that this port should be assumed as a non-edge-port. … |
SNMPv2-TCTruthValuer/w Textual Convention: SNMPv2-TCTruthValue EnumerationType Values:
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.1.3.111.2.802.1.1.3.1.2.1.13 |
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ieee8021SpanningTreeRstpPortOperEdgePort
The operational value of the Edge Port parameter. The
object is initialized to the value of the corresponding instance of ieee8021SpanningTreeRstpPortAdminEdgePort. When the corresponding instance of ieee8021SpanningTr… |
SNMPv2-TCTruthValue Textual Convention: SNMPv2-TCTruthValue EnumerationType Values:
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.1.3.111.2.802.1.1.3.1.2.1.14 |
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ieee8021SpanningTreeRstpPortAdminPathCost
The administratively assigned value for the contribution
of this port to the path cost of paths toward the spanning tree root. Writing a value of '0' assigns the automatically calculated default Path Cost… |
Integer32r/w Constraints: range: 0-200000000 |
.1.3.111.2.802.1.1.3.1.2.1.15 |
.1.3.111.2.802.1.1.3.1.3
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1 row entry
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3 columns
A table that contains port-specific information for the Spanning Tree Protocol.
A list of additional objects containing information
maintained by every port about the Spanning Tree
Protocol state for that port.
maintained by every port about the Spanning Tree
Protocol state for that port.
Indexes
No indexes recorded
| Column | Syntax | OID | ||||
|---|---|---|---|---|---|---|
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ieee8021SpanningTreeRstpPortAutoEdgePort
The administrative value of the Auto Edge Port parameter.
A value of true(1) indicates if the Bridge detection state machine (BDM, 13.31) is to detect other Bridges attached to the LAN, and set ieee8021SpanningTreeRst… |
SNMPv2-TCTruthValuer/w Textual Convention: SNMPv2-TCTruthValue EnumerationType Values:
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.1.3.111.2.802.1.1.3.1.3.1.1 |
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ieee8021SpanningTreeRstpPortAutoIsolatePort
The operational value of the Isolate Port parameter.
A value of true(1) indicates a Designated Port will transition to discarding if both ieee8021SpanningTreeRstpPortAdminEdgePort and ieee8021Spannin… |
SNMPv2-TCTruthValue Textual Convention: SNMPv2-TCTruthValue EnumerationType Values:
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.1.3.111.2.802.1.1.3.1.3.1.2 |
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ieee8021SpanningTreeRstpPortIsolatePort
The operational value of the Isolate Port parameter.
A value of true(1), Set by the Bridge detection state machine (BDM, 13.31), indicates when the Spanning Tree Protocol Entity of a neighbo… |
SNMPv2-TCTruthValue Textual Convention: SNMPv2-TCTruthValue EnumerationType Values:
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.1.3.111.2.802.1.1.3.1.3.1.3 |