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IEEE8021-SPANNING-TREE-MIB

57 objects
The Spanning-Tree MIB module for managing devices that support IEEE 802.1Q. This MIB module is derived from the IETF BRIDGE-MIB, RFC 4188. Unless otherwise indicated, the references in this MIB module are to IEEE Std 802.1Q-2014. Copyright (C) IEEE (2014). This version of this MIB module is part of IEEE802.1Q; see the draft itself for full legal notices.
OIDNameAccessStatusDescription
1.3.111.2.802.1.1.3Identityieee8021SpanningTreeMibThe Spanning-Tree MIB module for managing devices that support IEEE 802.1Q. This MIB module is derived from the IETF BRIDGE-MIB, RFC 4188. Unless otherwise ind…
1.3.111.2.802.1.1.3.0Nodeieee8021SpanningTreeNotifications
1.3.111.2.802.1.1.3.0.1Notificationieee8021SpanningTreeNewRootcurrentThe ieee8021SpanningTreeNewRoot notification indicates that the sending agent has become the new root of the Spanning Tree; the notification is sent by a Bridg…
1.3.111.2.802.1.1.3.0.2Notificationieee8021SpanningTreeTopologyChangecurrentA ieee8021SpanningTreeTopologyChange notification is sent by a Bridge when any of its configured ports transitions from the Learning state to the Forwarding st…
1.3.111.2.802.1.1.3.1Nodeieee8021SpanningTreeObjects
1.3.111.2.802.1.1.3.1.1Tableieee8021SpanningTreeTablenot-accessiblecurrentA table that contains information related to STP about every Bridge.
1.3.111.2.802.1.1.3.1.1.1Rowieee8021SpanningTreeEntrynot-accessiblecurrentA list of objects containing information for each Bridge about the Spanning Tree Protocol for that Bridge.
1.3.111.2.802.1.1.3.1.1.1.1Columnieee8021SpanningTreeComponentIdnot-accessiblecurrentThe component identifier is used to distinguish between the multiple virtual Bridge instances within a PBB. In simple situations where there is only a single c…
1.3.111.2.802.1.1.3.1.1.1.2Columnieee8021SpanningTreeProtocolSpecificationread-onlycurrentAn 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 …
1.3.111.2.802.1.1.3.1.1.1.3Columnieee8021SpanningTreePriorityread-writecurrentThe 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 a…
1.3.111.2.802.1.1.3.1.1.1.4Columnieee8021SpanningTreeTimeSinceTopologyChangeread-onlycurrentThe 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…
1.3.111.2.802.1.1.3.1.1.1.5Columnieee8021SpanningTreeTopChangesread-onlycurrentThe total number of topology changes detected by this Bridge since the management entity was last reset or initialized. Discontinuities in the value of the cou…
1.3.111.2.802.1.1.3.1.1.1.6Columnieee8021SpanningTreeDesignatedRootread-onlycurrentThe 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 I…
1.3.111.2.802.1.1.3.1.1.1.7Columnieee8021SpanningTreeRootCostread-onlycurrentThe cost of the path to the root as seen from this Bridge.
1.3.111.2.802.1.1.3.1.1.1.8Columnieee8021SpanningTreeRootPortread-onlycurrentThe port number of the port that offers the lowest cost path from this Bridge to the root Bridge.
1.3.111.2.802.1.1.3.1.1.1.9Columnieee8021SpanningTreeMaxAgeread-onlycurrentThe 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 …
1.3.111.2.802.1.1.3.1.1.1.10Columnieee8021SpanningTreeHelloTimeread-onlycurrentThe 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…
1.3.111.2.802.1.1.3.1.1.1.11Columnieee8021SpanningTreeHoldTimeread-onlycurrentThis time value determines the interval length during which no more than two Configuration Bridge PDUs shall be transmitted by this node, in units of hundredth…
1.3.111.2.802.1.1.3.1.1.1.12Columnieee8021SpanningTreeForwardDelayread-onlycurrentThis 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…
1.3.111.2.802.1.1.3.1.1.1.13Columnieee8021SpanningTreeBridgeMaxAgeread-writecurrentThe value that all Bridges use for MaxAge when this Bridge is acting as the root. Note that 802.1D-1998 specifies that the range for this parameter is related …
1.3.111.2.802.1.1.3.1.1.1.14Columnieee8021SpanningTreeBridgeHelloTimeread-writecurrentThe value that all Bridges use for HelloTime when this Bridge is acting as the root. The granularity of this timer is specified by 802.1D-1998 to be 1 second. …
1.3.111.2.802.1.1.3.1.1.1.15Columnieee8021SpanningTreeBridgeForwardDelayread-writecurrentThe value that all Bridges use for ForwardDelay when this Bridge is acting as the root. Note that 802.1D-1998 specifies that the range for this parameter is re…
1.3.111.2.802.1.1.3.1.1.1.16Columnieee8021SpanningTreeVersionread-writecurrentThe 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 vers…
1.3.111.2.802.1.1.3.1.1.1.17Columnieee8021SpanningTreeRstpTxHoldCountread-writecurrentThe 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 obje…
1.3.111.2.802.1.1.3.1.2Tableieee8021SpanningTreePortTablenot-accessiblecurrentA table that contains port-specific information for the Spanning Tree Protocol.
1.3.111.2.802.1.1.3.1.2.1Rowieee8021SpanningTreePortEntrynot-accessiblecurrentA list of objects containing information maintained by every port about the Spanning Tree Protocol state for that port.
1.3.111.2.802.1.1.3.1.2.1.1Columnieee8021SpanningTreePortComponentIdnot-accessiblecurrentThe component identifier is used to distinguish between the multiple virtual Bridge instances within a PBB. In simple situations where there is only a single c…
1.3.111.2.802.1.1.3.1.2.1.2Columnieee8021SpanningTreePortnot-accessiblecurrentThe port number of the port for which this entry contains Spanning Tree Protocol management information.
1.3.111.2.802.1.1.3.1.2.1.3Columnieee8021SpanningTreePortPriorityread-writecurrentThe 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 g…
1.3.111.2.802.1.1.3.1.2.1.4Columnieee8021SpanningTreePortStateread-onlycurrentThe 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…
1.3.111.2.802.1.1.3.1.2.1.5Columnieee8021SpanningTreePortEnabledread-writecurrentThe 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 retaine…
1.3.111.2.802.1.1.3.1.2.1.6Columnieee8021SpanningTreePortPathCostread-writecurrentThe 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 P…
1.3.111.2.802.1.1.3.1.2.1.7Columnieee8021SpanningTreePortDesignatedRootread-onlycurrentThe 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 po…
1.3.111.2.802.1.1.3.1.2.1.8Columnieee8021SpanningTreePortDesignatedCostread-onlycurrentThe 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.
1.3.111.2.802.1.1.3.1.2.1.9Columnieee8021SpanningTreePortDesignatedBridgeread-onlycurrentThe Bridge Identifier of the Bridge that this port considers to be the Designated Bridge for this port's segment.
1.3.111.2.802.1.1.3.1.2.1.10Columnieee8021SpanningTreePortDesignatedPortread-onlycurrentThe Port Identifier of the port on the Designated Bridge for this port's segment.
1.3.111.2.802.1.1.3.1.2.1.11Columnieee8021SpanningTreePortForwardTransitionsread-onlycurrentThe 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-ini…
1.3.111.2.802.1.1.3.1.2.1.12Columnieee8021SpanningTreeRstpPortProtocolMigrationread-writecurrentWhen 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 effe…
1.3.111.2.802.1.1.3.1.2.1.13Columnieee8021SpanningTreeRstpPortAdminEdgePortread-writecurrentThe 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) ind…
1.3.111.2.802.1.1.3.1.2.1.14Columnieee8021SpanningTreeRstpPortOperEdgePortread-onlycurrentThe operational value of the Edge Port parameter. The object is initialized to the value of the corresponding instance of ieee8021SpanningTreeRstpPortAdminEdge…
1.3.111.2.802.1.1.3.1.2.1.15Columnieee8021SpanningTreeRstpPortAdminPathCostread-writecurrentThe 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 t…
1.3.111.2.802.1.1.3.1.3Tableieee8021SpanningTreePortExtensionTablenot-accessiblecurrentA table that contains port-specific information for the Spanning Tree Protocol.
1.3.111.2.802.1.1.3.1.3.1Rowieee8021SpanningTreePortExtensionEntrynot-accessiblecurrentA list of additional objects containing information maintained by every port about the Spanning Tree Protocol state for that port.
1.3.111.2.802.1.1.3.1.3.1.1Columnieee8021SpanningTreeRstpPortAutoEdgePortread-writecurrentThe 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 Br…
1.3.111.2.802.1.1.3.1.3.1.2Columnieee8021SpanningTreeRstpPortAutoIsolatePortread-onlycurrentThe operational value of the Isolate Port parameter. A value of true(1) indicates a Designated Port will transition to discarding if both ieee8021SpanningTreeR…
1.3.111.2.802.1.1.3.1.3.1.3Columnieee8021SpanningTreeRstpPortIsolatePortread-onlycurrentThe 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 Tr…
1.3.111.2.802.1.1.3.2Nodeieee8021SpanningTreeConformance
1.3.111.2.802.1.1.3.2.1Nodeieee8021SpanningTreeCompliances
1.3.111.2.802.1.1.3.2.1.1Complianceieee8021SpanningTreeCompliancecurrentThe compliance statement for devices supporting the Spanning Tree Protocol.
1.3.111.2.802.1.1.3.2.1.2Complianceieee8021SpanningTreeRstpCompliancecurrentThe compliance statement for devices supporting RSTP.
1.3.111.2.802.1.1.3.2.2Nodeieee8021SpanningTreeGroups
1.3.111.2.802.1.1.3.2.2.1Groupieee8021SpanningTreeGroupcurrentBridge level Spanning Tree data for this device.
1.3.111.2.802.1.1.3.2.2.2Groupieee8021SpanningTreeRstpGroupcurrentBridge level Rstp data for this device.
1.3.111.2.802.1.1.3.2.2.3Groupieee8021SpanningTreePortGroupcurrentSpanning Tree data for each port on this device.
1.3.111.2.802.1.1.3.2.2.4Groupieee8021SpanningTreeRstpPortGroupcurrentRstp data for each port on this device.
1.3.111.2.802.1.1.3.2.2.5Groupieee8021SpanningTreeNotificationGroupcurrentGroup of notifications.
1.3.111.2.802.1.1.3.2.2.6Groupieee8021SpanningTreeRstpFragileGroupcurrentRstp fragile Bridge data for each port on this device.