NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB Table View

Table-centric layout grouping table, row, and column objects.

Standard view Table view
Tables
5
Rows
5
Columns
85

nnMstBridgeTable

table
.1.3.6.1.4.1.45.5.5.1.2 · 1 row entry · 16 columns
Open in standard view 
Table containing Bridge Information specific to Spanning
Tree Instance.
nnMstBridgeEntry entry .1.3.6.1.4.1.45.5.5.1.2.1
Entry indicating the Bridge Information.
Indexes
nnMstBridgeInstance
Column Syntax OID
nnMstBridgeInstance
Spanning Tree Instance to which the information belongs.
Integer32
Constraints:
range: 1-64
 .1.3.6.1.4.1.45.5.5.1.2.1.1
nnMstBridgeRegionalRoot
MSTI Regional Root Identifier value for the Instance. This value
is used as the MSTI Regional Root Identifier parameter in all
Configuration Bridge PDUs originated by this node
BRIDGE-MIBBridgeId
Textual Convention: BRIDGE-MIBBridgeId OctetString
Type Constraints:
range: 8
 .1.3.6.1.4.1.45.5.5.1.2.1.2
nnMstBridgePriority
The writable portion of the MSTI Bridge Identifier.
comprising of the first two octets.
The values that are set for Bridge Priority must be
in steps of 4096.
Integer32r/w
Constraints:
range: 0-61440
 .1.3.6.1.4.1.45.5.5.1.2.1.3
nnMstBridgeRootCost
The Cost of the path to the MSTI Regional Root as seen
by this bridge.
SNMPv2-SMIInteger32
Textual Convention: SNMPv2-SMIInteger32 Integer32
Type Constraints:
range: -2147483648..2147483647
 .1.3.6.1.4.1.45.5.5.1.2.1.4
nnMstBridgeRootPort
The Port Number of the Port which offers the lowest
path cost from this bridge to the MSTI Region Root Bridge.
SNMPv2-SMIInteger32
Textual Convention: SNMPv2-SMIInteger32 Integer32
Type Constraints:
range: -2147483648..2147483647
 .1.3.6.1.4.1.45.5.5.1.2.1.5
nnMstBridgeTimeSinceTopologyChange
The time (in hundredths of a second) since the
TcWhile Timer for any port in this Bridge was
non-zero for this spanning tree instance.
SNMPv2-SMITimeTicks
Textual Convention: SNMPv2-SMITimeTicks Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.2.1.6
nnMstBridgeTopChanges
The number of times that there have been atleast
one non-zero TcWhile Timer on this Bridge for this
spanning tree instance.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.2.1.7
nnMstBridgeNewRootCount
The number of times this Bridge has detected a Root
Bridge change for this spanning tree instance.
A Trap is generated on the occurence of this event.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.2.1.8
nnMstBridgeRoleSelectionSemState
Current state of the Port Role Selection State Machine
for this spanning tree instance for this bridge.
Enumeration
Enumerated Values:
0initbridge
1roleselection
 .1.3.6.1.4.1.45.5.5.1.2.1.9
nnMstBridgeInstanceUpCount
The number of times a new spanning tree instance has
been created.
A Trap is generated on the occurence of this event.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.2.1.10
nnMstBridgeInstanceDownCount
The number of times a spanning tree instance has
been deleted.
A Trap is generated on the occurence of this event.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.2.1.11
nnMstBridgeOldDesignatedRoot
The bridge identifier of the old root of the spanning
tree instance as determined by the Spanning Tree Protocol
as executed by this node.
BRIDGE-MIBBridgeId
Textual Convention: BRIDGE-MIBBridgeId OctetString
Type Constraints:
range: 8
 .1.3.6.1.4.1.45.5.5.1.2.1.12
nnMstBridgeEnabled
This object is used to control whether this bridge instance
is enabled or disabled.
SNMPv2-TCTruthValuer/w
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.6.1.4.1.45.5.5.1.2.1.13
nnMstBridgeRowStatus
This object is used to control row creation/deletion.
SNMPv2-TCRowStatusr/w
Textual Convention: SNMPv2-TCRowStatus Enumeration
Type Values:
1active
2notInService
3notReady
4createAndGo
5createAndWait
6destroy
 .1.3.6.1.4.1.45.5.5.1.2.1.14
nnMstBridgeMappedVlans
A list of VLANs that are mapped to the Spanning Tree Instance.
512*8 bits used to represent 4096 vlans. The 0th bit represents vlan 1,
1st bit represents vlan 2 and so forth. If vlan n is mapped to a particular
instance…
OctetStringr/w
Constraints:
range: 512-512
 .1.3.6.1.4.1.45.5.5.1.2.1.15
nnMstBridgeMappedVlansAction
This object is used for adding or removing mapped VLANs associated with the Spanning Tree Instance.
nnMstBridgeMappedVlans objects specifies the VLAN map.
At retrieval, the value is always none(3).
Enumerationr/w
Enumerated Values:
1add
2remove
3none
 .1.3.6.1.4.1.45.5.5.1.2.1.16

nnMstCistPortTable

table
.1.3.6.1.4.1.45.5.5.1.3 · 1 row entry · 43 columns
Open in standard view 
This table contains Common Spanning Tree Port
Information.
nnMstCistPortEntry entry .1.3.6.1.4.1.45.5.5.1.3.1
A list of information maintained by every port for
Common Spanning tree.
Indexes
nnMstCistPort
Column Syntax OID
nnMstCistPort
The Port number of the port for which this entry contains
spanning tree information.
Integer32
Constraints:
range: 1-65535
 .1.3.6.1.4.1.45.5.5.1.3.1.1
nnMstCistPortPathCost
The contribution of this port to the path cost of
paths towards the CIST Root which include this port.
Integer32r/w
Constraints:
range: 1-200000000
 .1.3.6.1.4.1.45.5.5.1.3.1.2
nnMstCistPortPriority
The four most significant bits of the Port Identifier
of the Spanning Tree instance can be modified by setting
the CistPortPriority value. The values that are set for Port
Priority must be in steps of 16.
Integer32r/w
Constraints:
range: 0-240
 .1.3.6.1.4.1.45.5.5.1.3.1.3
nnMstCistPortDesignatedRoot
The unique Bridge Identifier of the bridge recorded as the
CIST Root in the configuration BPDUs transmitted.
BRIDGE-MIBBridgeId
Textual Convention: BRIDGE-MIBBridgeId OctetString
Type Constraints:
range: 8
 .1.3.6.1.4.1.45.5.5.1.3.1.4
nnMstCistPortDesignatedBridge
The unique Bridge Identifier of the bridge which this port
considers to be the Designated Bridge for the port's segment.
BRIDGE-MIBBridgeId
Textual Convention: BRIDGE-MIBBridgeId OctetString
Type Constraints:
range: 8
 .1.3.6.1.4.1.45.5.5.1.3.1.5
nnMstCistPortDesignatedPort
The Port identifier of the port on the Designated Bridge
for this port's segment.
OctetString
Constraints:
range: 2-2
 .1.3.6.1.4.1.45.5.5.1.3.1.6
nnMstCistPortAdminP2P
The administrative point-to-point status of the LAN segment
attached to this port. A value of forceTrue(0) indicates that
this port should always be treated as if it is connected to
a point-to-point link. A value of f…
Enumerationr/w
Enumerated Values:
0forceTrue
1forceFalse
2auto
 .1.3.6.1.4.1.45.5.5.1.3.1.7
nnMstCistPortOperP2P
The operational point-to-point status of the LAN segment
attached to this port. It indicates whether a port is
considered to have a point-to-point connection or not.
The value is determined by management or by auto-det…
SNMPv2-TCTruthValue
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.6.1.4.1.45.5.5.1.3.1.8
nnMstCistPortAdminEdgeStatus
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 Enumeration
Type Values:
1true
2false
 .1.3.6.1.4.1.45.5.5.1.3.1.9
nnMstCistPortOperEdgeStatus
The operational value of the Edge Port parameter. The
object is initialized to the value of
nnMstCistPortAdminEdgeStatus and is set FALSE on reception
of a BPDU.
SNMPv2-TCTruthValue
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.6.1.4.1.45.5.5.1.3.1.10
nnMstCistPortProtocolMigration
Indicates the Protocol migration state of this Port.
When operating in RSTP/MSTP (version >= 2) mode, writing
TRUE(1) to this object forces this port to transmit MSTP
BPDUs without instance information.
Any other operat…
SNMPv2-TCTruthValuer/w
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.6.1.4.1.45.5.5.1.3.1.11
nnMstCistPortState
Current state of the Port as defined by the Common
spanning tree protocol.
Enumeration
Enumerated Values:
1disabled
2discarding
4learning
5forwarding
 .1.3.6.1.4.1.45.5.5.1.3.1.12
nnMstCistForcePortState
Current state of the Port which can be changed to either
Disabled or Enabled for the base spanning tree
instance.
Enumerationr/w
Enumerated Values:
0disabled
1enabled
 .1.3.6.1.4.1.45.5.5.1.3.1.13
nnMstCistPortForwardTransitions
Number of times this port has transitioned to the
Forwarding State.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.3.1.14
nnMstCistPortRxMstBpduCount
Number of MST BPDUs received on this port.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.3.1.15
nnMstCistPortRxRstBpduCount
Number of RST BPDUs received on this port.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.3.1.16
nnMstCistPortRxConfigBpduCount
Number of Configuration BPDUs received on this port.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.3.1.17
nnMstCistPortRxTcnBpduCount
Number of TCN BPDUs received on this port.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.3.1.18
nnMstCistPortTxMstBpduCount
Number of MST BPDUs Transmitted from this port.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.3.1.19
nnMstCistPortTxRstBpduCount
Number of RST BPDUs Transmitted from this port.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.3.1.20
nnMstCistPortTxConfigBpduCount
Number of Configuration BPDUs Transmitted from this port.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.3.1.21
nnMstCistPortTxTcnBpduCount
Number of TCN BPDUs Transmitted from this port.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.3.1.22
nnMstCistPortInvalidMstBpduRxCount
Number of Invalid MST BPDUs Received on this port.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.3.1.23
nnMstCistPortInvalidRstBpduRxCount
Number of Invalid RST BPDUs Received on this port.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.3.1.24
nnMstCistPortInvalidConfigBpduRxCount
Number of Invalid Configuration BPDUs Received on this port.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.3.1.25
nnMstCistPortInvalidTcnBpduRxCount
Number of Invalid TCN BPDUs Received on this port.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.3.1.26
nnMstCistPortTransmitSemState
Indicates current State of the Port Transmit state machine.
Enumeration
Enumerated Values:
0transmitinit
1transmitperiodic
2transmitconfig
3transmittcn
4transmitrstp
5idle
 .1.3.6.1.4.1.45.5.5.1.3.1.27
nnMstCistPortReceiveSemState
Indicates current State of the Port Receive state machine.
Enumeration
Enumerated Values:
0discard
1receive
 .1.3.6.1.4.1.45.5.5.1.3.1.28
nnMstCistPortProtMigrationSemState
Indicates current State of the Port Protocol Migration
State machine.
Enumeration
Enumerated Values:
0init
1sendrstp
2sendingrstp
3sendstp
4sendingstp
 .1.3.6.1.4.1.45.5.5.1.3.1.29
nnMstCistProtocolMigrationCount
The number of times this Port has migrated from one STP protocol
version to another. The relevant protocols are STP-COMPATIBLE and
RSTP/MSTP.
A Trap is generated on the occurence of this event.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.3.1.30
nnMstCistPortDesignatedCost
The path cost of the Designated Port of the
segment connected to this port.
SNMPv2-SMIInteger32
Textual Convention: SNMPv2-SMIInteger32 Integer32
Type Constraints:
range: -2147483648..2147483647
 .1.3.6.1.4.1.45.5.5.1.3.1.31
nnMstCistPortRegionalRoot
The unique Bridge Identifier of the bridge recorded as the
CIST Regional Root Identifier in the configuration BPDUs
transmitted.
BRIDGE-MIBBridgeId
Textual Convention: BRIDGE-MIBBridgeId OctetString
Type Constraints:
range: 8
 .1.3.6.1.4.1.45.5.5.1.3.1.32
nnMstCistPortRegionalPathCost
The contribution of this port to the path cost of paths
towards the CIST Regional Root which include this port.
SNMPv2-SMIInteger32
Textual Convention: SNMPv2-SMIInteger32 Integer32
Type Constraints:
range: -2147483648..2147483647
 .1.3.6.1.4.1.45.5.5.1.3.1.33
nnMstCistSelectedPortRole
Selected Port Role of the port for this spanning
tree instance.
Enumeration
Enumerated Values:
0disabled
1alternate
2backup
3root
4designated
 .1.3.6.1.4.1.45.5.5.1.3.1.34
nnMstCistCurrentPortRole
Current Port Role of the port for this spanning
tree instance.
Enumeration
Enumerated Values:
0disabled
1alternate
2backup
3root
4designated
 .1.3.6.1.4.1.45.5.5.1.3.1.35
nnMstCistPortInfoSemState
Current state of the Port Information State Machine
for this port in this spanning tree context.
Enumeration
Enumerated Values:
0disabled
1enabled
2aged
3update
4superiordesg
5repeatdesg
6root
7other
8present
9receive
 .1.3.6.1.4.1.45.5.5.1.3.1.36
nnMstCistPortRoleTransitionSemState
Current state of the Port Role Transition State Machine
for this port in this spanning tree context.
Enumeration
Enumerated Values:
0init
1blockport
2blockedport
3activeport
 .1.3.6.1.4.1.45.5.5.1.3.1.37
nnMstCistPortStateTransitionSemState
Current state of the Port State Transition State Machine
for this port in this spanning tree context.
Enumeration
Enumerated Values:
0discarding
1learning
2forwarding
 .1.3.6.1.4.1.45.5.5.1.3.1.38
nnMstCistPortTopologyChangeSemState
Current state of the Topology Change State Machine
for this port in this spanning tree context.
Enumeration
Enumerated Values:
0init
1inactive
2active
3detected
4notifiedtcn
5notifiedtc
6propagating
7acknowledged
 .1.3.6.1.4.1.45.5.5.1.3.1.39
nnMstCistPortHelloTime
The amount of time between the transmission of
Configuration bridge PDUs by this node on this port
in units of hundredths of a second.
Integer32r/w
Constraints:
range: 100-1000
 .1.3.6.1.4.1.45.5.5.1.3.1.40
nnMstCistPortOperVersion
This indicates whether the Port is operationally in the Mstp
mode, Rstp mode or the Stp-compatible mode i.e., whether the
Port is transmitting MST BPDUs, RST BPDUs or Config/TCN BPDUs.
Enumeration
Enumerated Values:
0stpCompatible
2rstp
3mstp
 .1.3.6.1.4.1.45.5.5.1.3.1.41
nnMstCistPortEffectivePortState
The effective operational state of the port for CIST. This will
TRUE only when the port is operationally up in the Interface level
and Protocol level for CIST. This is will be set to False for all
other times.
SNMPv2-TCTruthValue
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.6.1.4.1.45.5.5.1.3.1.42
nnMstCistPortRxTcBpduCount
Number of TC BPDUs received on this port.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.3.1.43

nnMstPortTable

table
.1.3.6.1.4.1.45.5.5.1.4 · 1 row entry · 20 columns
Open in standard view 
This table contains Spanning Tree Instance Specific Port
Information.
nnMstPortEntry entry .1.3.6.1.4.1.45.5.5.1.4.1
A list of information maintained by every port for each
and every spanning tree instance.
Indexes
nnMstPort nnMstBridgeInstance
Column Syntax OID
nnMstPort
The Port number of the port for which this entry contains
spanning tree information.
Integer32
Constraints:
range: 1-65535
 .1.3.6.1.4.1.45.5.5.1.4.1.1
nnMstPortPathCost
The contribution of this port to the path cost of
paths towards the MSTI Root which include this port.
Integer32r/w
Constraints:
range: 1-200000000
 .1.3.6.1.4.1.45.5.5.1.4.1.2
nnMstPortPriority
The four most significant bits of the Port Identifier
for a given Spanning Tree instance can be modified
independently for each Spanning Tree instance
supported by the Bridge. The values that are set for Port
Priority m…
Integer32r/w
Constraints:
range: 0-240
 .1.3.6.1.4.1.45.5.5.1.4.1.3
nnMstPortDesignatedRoot
The unique Bridge Identifier of the bridge recorded as the
MSTI Regional Root in the configuration BPDUs transmitted.
BRIDGE-MIBBridgeId
Textual Convention: BRIDGE-MIBBridgeId OctetString
Type Constraints:
range: 8
 .1.3.6.1.4.1.45.5.5.1.4.1.4
nnMstPortDesignatedBridge
The unique Bridge Identifier of the bridge which this port
considers to be the Designated Bridge for the port's segment.
BRIDGE-MIBBridgeId
Textual Convention: BRIDGE-MIBBridgeId OctetString
Type Constraints:
range: 8
 .1.3.6.1.4.1.45.5.5.1.4.1.5
nnMstPortDesignatedPort
The Port identifier of the port on the Designated Bridge
for this port's segment.
OctetString
Constraints:
range: 2-2
 .1.3.6.1.4.1.45.5.5.1.4.1.6
nnMstPortState
Current state of the Port as defined by the Multiple
spanning tree protocol. Port which is Forwarding state
in one instance can be in Discarding (Blocking) state
in another instance.
Enumeration
Enumerated Values:
1disabled
2discarding
4learning
5forwarding
 .1.3.6.1.4.1.45.5.5.1.4.1.7
nnMstPortForcePortState
Current state of the Port which can be changed to either
Disabled or Enabled for the specific spanning tree
instance.
Enumerationr/w
Enumerated Values:
0disabled
1enabled
 .1.3.6.1.4.1.45.5.5.1.4.1.8
nnMstPortForwardTransitions
Number of times this port has transitioned to the
Forwarding State for specific instance.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.4.1.9
nnMstPortReceivedBPDUs
Number of BPDUs received by this port for this
spanning tree instance.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.4.1.10
nnMstPortTransmittedBPDUs
Number of BPDUs transmitted on this port for
this spanning tree instance.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.4.1.11
nnMstPortInvalidBPDUsRcvd
Number of Invalid BPDUs received on this Port
for this spanning tree instance.
SNMPv2-SMICounter32
Textual Convention: SNMPv2-SMICounter32 Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.6.1.4.1.45.5.5.1.4.1.12
nnMstPortDesignatedCost
The path cost of the Designated Port of the
segment connected to this port.
SNMPv2-SMIInteger32
Textual Convention: SNMPv2-SMIInteger32 Integer32
Type Constraints:
range: -2147483648..2147483647
 .1.3.6.1.4.1.45.5.5.1.4.1.13
nnMstPortSelectedPortRole
Selected Port Role of the port for this spanning
tree instance.
Enumeration
Enumerated Values:
0disabled
1alternate
2backup
3root
4designated
5master
 .1.3.6.1.4.1.45.5.5.1.4.1.14
nnMstPortCurrentPortRole
Current Port Role of the port for this spanning
tree instance.
Enumeration
Enumerated Values:
0disabled
1alternate
2backup
3root
4designated
5master
 .1.3.6.1.4.1.45.5.5.1.4.1.15
nnMstPortInfoSemState
Current state of the Port Information State Machine
for this port in this spanning tree context.
Enumeration
Enumerated Values:
0disabled
1enabled
2aged
3update
4superiordesg
5repeatdesg
6root
7other
8present
9receive
 .1.3.6.1.4.1.45.5.5.1.4.1.16
nnMstPortRoleTransitionSemState
Current state of the Port Role Transition State Machine
for this port in this spanning tree context.
Enumeration
Enumerated Values:
0init
1blockport
2blockedport
3activeport
 .1.3.6.1.4.1.45.5.5.1.4.1.17
nnMstPortStateTransitionSemState
Current state of the Port State Transition State Machine
for this port in this spanning tree context.
Enumeration
Enumerated Values:
0discarding
1learning
2forwarding
 .1.3.6.1.4.1.45.5.5.1.4.1.18
nnMstPortTopologyChangeSemState
Current state of the Topology Change State Machine
for this port in this spanning tree context.
Enumeration
Enumerated Values:
0init
1inactive
2active
3detected
4notifiedtcn
5notifiedtc
6propagating
7acknowledged
 .1.3.6.1.4.1.45.5.5.1.4.1.19
nnMstPortEffectivePortState
The effective operational stae of the port for specific instance.
This is will be TRUE only when the port is operationally up in the
interface level and Protocol level for the specific instance.
This is will be set to f…
SNMPv2-TCTruthValue
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.6.1.4.1.45.5.5.1.4.1.20

nnMstPortNotificationTable

table
.1.3.6.1.4.1.45.5.5.1.5.2 · 1 row entry · 4 columns
Open in standard view 
This table is used to store the notification information
occured in each of the port for protocol migration and
invalid packet received
nnMstPortNotificationEntry entry .1.3.6.1.4.1.45.5.5.1.5.2.1
This entry is used to store the notification information
Indexes
nnMstPortNotificationIndex
Column Syntax OID
nnMstPortNotificationIndex
A unique value, greater than zero, indicating the Port number.
Integer32
Constraints:
range: 1-4096
 .1.3.6.1.4.1.45.5.5.1.5.2.1.1
nnMstPortNotificationMigrationType
Port Protocol migration type occured in the port
Enumeration
Enumerated Values:
0sendstp
1sendrstp
 .1.3.6.1.4.1.45.5.5.1.5.2.1.2
nnMstPortNotificationPktErrType
Type of invalid packet received in each of the port
Enumeration
Enumerated Values:
0protocolIdErr
1invalidBpdu
2configLengthErr
3tcnLengthErr
4rstpLengthErr
5maxAgeErr
6fwdDelayErr
7helloTimeErr
8mstpLengthErr
 .1.3.6.1.4.1.45.5.5.1.5.2.1.3
nnMstPortNotificationPktErrVal
Packet error value corresponding to the above type
SNMPv2-SMIInteger32
Textual Convention: SNMPv2-SMIInteger32 Integer32
Type Constraints:
range: -2147483648..2147483647
 .1.3.6.1.4.1.45.5.5.1.5.2.1.4

nnMstBridgeVlanMapTable

table
.1.3.6.1.4.1.45.5.5.1.6 · 1 row entry · 2 columns
Open in standard view 
Table containing Mapped VlanList specific to Spanning
Tree Instance.
nnMstBridgeVlanMapEntry entry .1.3.6.1.4.1.45.5.5.1.6.1
Entry indicating the Bridge VlanMap Information.
Indexes
nnMstBridgeInstId
Column Syntax OID
nnMstBridgeInstId
Spanning Tree Instance to which the information belongs.
Integer32
Constraints:
range: 1-63
 .1.3.6.1.4.1.45.5.5.1.6.1.1
nnMstBridgeVlanMap
This gives the bitwise representation for the Vlans
Mapped for a particular instance. 512*8 bits used to
represent 4096 vlans. The 0th bit represents vlan 1,
1st bit represents vlan 2 and so forth. If vlan n is
mapped t…
OctetStringr/w
Constraints:
range: 512-512
 .1.3.6.1.4.1.45.5.5.1.6.1.2