IEEE8021-MSTP-MIB Table View

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

Standard view Table view
Tables
10
Rows
10
Columns
76

ieee8021MstpCistTable

table
.1.3.111.2.802.1.1.6.1.1 · 1 row entry · 6 columns
Open in standard view 
The Common and Internal Spanning Tree (CIST) Table. Each row in
the table represents information regarding a Bridge's Bridge
Protocol Entity for the CIST.
          
Note that entries will exist in this table only for Bridge
components for which the corresponding instance of
ieee8021SpanningTreeVersion (from the IEEE8021-SPANNING-TREE-MIB)
has a value of mstp(3).
          
This table contains objects corresponding to the following items
from 12.8.1.1 and 12.8.1.3.  Some of those items are provided 
in the IEEE8021-SPANNING-TREE-MIB as noted below.
          
From 12.8.1.1:
    Items a), c), o), p), and q) are defined in this table
    The remaining items are covered in the
    IEEE8021-SPANNING-TREE-MIB:
        b) ieee8021SpanningTreeTimeSinceTopologyChange
        c) ieee8021SpanningTreeTopChanges
        e) ieee8021SpanningTreeDesignatedRoot
        f) ieee8021SpanningTreeRootCost
        g) ieee8021SpanningTreeRootPort
        h) ieee8021SpanningTreeMaxAge
        i) ieee8021SpanningTreeForwardDelay
        j) ieee8021SpanningTreeBridgeMaxAge
        k) ieee8021SpanningTreeBridgeHelloTime
        l) ieee8021SpanningTreeBridgeForwardDelay
        m) ieee8021SpanningTreeHoldTime
        n) ieee8021SpanningTreeVersion
From 12.8.1.3:
    Item g) is defined in this table
    The remaining items are covered in the
    IEEE8021-SPANNING-TREE-MIB:
        a) ieee8021SpanningTreeBridgeMaxAge
        b) ieee8021SpanningTreeBridgeHelloTime
        c) ieee8021SpanningTreeBridgeForwardDelay
        d) ieee8021SpanningTreePriority
        e) ieee8021SpanningTreeVersion
        f) ieee8021RstpStpExtTxHoldCount
ieee8021MstpCistEntry entry .1.3.111.2.802.1.1.6.1.1.1
A CIST Table entry.
Indexes
ieee8021MstpCistComponentId
Column Syntax OID
ieee8021MstpCistComponentId
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 Unsigned32
Type Constraints:
range: 1..4294967295
 .1.3.111.2.802.1.1.6.1.1.1.1
ieee8021MstpCistBridgeIdentifier
The Bridge Identifier for the CIST.
BRIDGE-MIBBridgeId
Textual Convention: BRIDGE-MIBBridgeId OctetString
Type Constraints:
range: 8
 .1.3.111.2.802.1.1.6.1.1.1.2
ieee8021MstpCistTopologyChange
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.
SNMPv2-TCTruthValue
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.111.2.802.1.1.6.1.1.1.3
ieee8021MstpCistRegionalRootIdentifier
In an MSTP Bridge, the CIST Regional Root Identifier parameter,
i.e., the Bridge Identifier of the current CIST Regional Root.
BRIDGE-MIBBridgeId
Textual Convention: BRIDGE-MIBBridgeId OctetString
Type Constraints:
range: 8
 .1.3.111.2.802.1.1.6.1.1.1.4
ieee8021MstpCistPathCost
In an MSTP Bridge, the CIST Path Cost parameter, i.e., the CIST
path cost from the transmitting Bridge to the CIST Regional Root.
The sum (about 20 possible out of the given range) of multiple
port path costs. Also, if …
Unsigned32
Constraints:
range: 0-2147483647
 .1.3.111.2.802.1.1.6.1.1.1.5
ieee8021MstpCistMaxHops
In an MSTP Bridge, the MaxHops parameter.

The value of this object MUST be retained across
reinitializations of the management system.
Integer32r/w
Constraints:
range: 6-40
 .1.3.111.2.802.1.1.6.1.1.1.6

ieee8021MstpTable

table
.1.3.111.2.802.1.1.6.1.2 · 1 row entry · 15 columns
Open in standard view 
In an MSTP Bridge, the MSTP Table. Each row in the Table
represents information regarding a Bridge's Bridge Protocol
Entity for the specified Spanning Tree instance.
          
Entries in this table MUST be retained across
reinitializations of the management system.
          
Note that entries can be created in this table only for Bridge
components for which the corresponding instance of
ieee8021SpanningTreeVersion (from the IEEE8021-SPANNING-TREE-MIB)
has a value of mstp(3).
ieee8021MstpEntry entry .1.3.111.2.802.1.1.6.1.2.1
A MSTP Table entry.
Indexes
ieee8021MstpComponentId ieee8021MstpId
Column Syntax OID
ieee8021MstpComponentId
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 Unsigned32
Type Constraints:
range: 1..4294967295
 .1.3.111.2.802.1.1.6.1.2.1.1
ieee8021MstpId
In an MSTP Bridge, this parameter is the MSTID, i.e., the
identifier of a Spanning Tree (or MST) Instance.
IEEE8021-TC-MIBIEEE8021MstIdentifier
Textual Convention: IEEE8021-TC-MIBIEEE8021MstIdentifier Unsigned32
Type Constraints:
range: 1..4094
 .1.3.111.2.802.1.1.6.1.2.1.2
ieee8021MstpBridgeId
In an MSTP Bridge, the Bridge Identifier for the MSTI.
BRIDGE-MIBBridgeId
Textual Convention: BRIDGE-MIBBridgeId OctetString
Type Constraints:
range: 8
 .1.3.111.2.802.1.1.6.1.2.1.3
ieee8021MstpTimeSinceTopologyChange
In an MSTP Bridge, count in seconds of the time elapsed since
tcWhile was last non-zero for any Port for the MSTI.
centi-secondsSNMPv2-SMITimeTicks
Textual Convention: SNMPv2-SMITimeTicks Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.111.2.802.1.1.6.1.2.1.4
ieee8021MstpTopologyChanges
In an MSTP Bridge, count of the times tcWhile has been
non-zero for any Port for the MSTI since the Bridge was powered
on or initialized.
topology changesSNMPv2-SMICounter64
Textual Convention: SNMPv2-SMICounter64 Unsigned64
Type Constraints:
range: 0..18446744073709551615
 .1.3.111.2.802.1.1.6.1.2.1.5
ieee8021MstpTopologyChange
In an MSTP Bridge, the Topology Change parameter value: true(1)
if tcWhile is non-zero for any Port for the MSTI.
SNMPv2-TCTruthValue
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.111.2.802.1.1.6.1.2.1.6
ieee8021MstpDesignatedRoot
In an MSTP Bridge, the Designated Root parameter value, i.e., the
Bridge Identifier of the Root Bridge for the MSTI.
BRIDGE-MIBBridgeId
Textual Convention: BRIDGE-MIBBridgeId OctetString
Type Constraints:
range: 8
 .1.3.111.2.802.1.1.6.1.2.1.7
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 MSTI.
SNMPv2-SMIInteger32
Textual Convention: SNMPv2-SMIInteger32 Integer32
Type Constraints:
range: -2147483648..2147483647
 .1.3.111.2.802.1.1.6.1.2.1.8
ieee8021MstpRootPort
In an MSTP Bridge, the Root Port parameter value, i.e., the Root
Port for the MSTI.
IEEE8021-TC-MIBIEEE8021BridgePortNumber
Textual Convention: IEEE8021-TC-MIBIEEE8021BridgePortNumber Unsigned32
Type Constraints:
range: 1..65535
 .1.3.111.2.802.1.1.6.1.2.1.9
ieee8021MstpBridgePriority
In an MSTP Bridge, the Bridge Priority parameter value for the
MSTI, i.e., the most significant 4 bits of the Bridge Identifier
for the MSTI.
Integer32r/w
Constraints:
range: 0-61440
 .1.3.111.2.802.1.1.6.1.2.1.10
ieee8021MstpVids0
This object contains the first 1024 bits of the 4096 bit vector
indicating which VIDs are assigned to this MSTID. The high order
bit of the first octet corresponds to the first bit of the vector,
while the low order bi…
OctetString
Constraints:
range: 128-128
 .1.3.111.2.802.1.1.6.1.2.1.11
ieee8021MstpVids1
This object contains the second 1024 bits of the 4096 bit vector
indicating which VIDs are assigned to this MSTID. The high order
bit of the first octet corresponds to the first bit of this
portion of the vector, while…
OctetString
Constraints:
range: 128-128
 .1.3.111.2.802.1.1.6.1.2.1.12
ieee8021MstpVids2
This object contains the third 1024 bits of the 4096 bit vector
indicating which VIDs are assigned to this MSTID. The high order
bit of the first octet corresponds to the first bit of this
portion of the vector, while …
OctetString
Constraints:
range: 128-128
 .1.3.111.2.802.1.1.6.1.2.1.13
ieee8021MstpVids3
This object contains the fourth 1024 bits of the 4096 bit vector
indicating which VIDs are assigned to this MSTID. The high order
bit of the first octet corresponds to the first bit of this
portion of the vector, while…
OctetString
Constraints:
range: 128-128
 .1.3.111.2.802.1.1.6.1.2.1.14
ieee8021MstpRowStatus
The status of the row.

Read SNMPv2-TC (RFC2579) for an
explanation of the possible values this object can take.

The writable columns in a row cannot be changed if the row
is active. All col…
SNMPv2-TCRowStatusr/w
Textual Convention: SNMPv2-TCRowStatus Enumeration
Type Values:
1active
2notInService
3notReady
4createAndGo
5createAndWait
6destroy
 .1.3.111.2.802.1.1.6.1.2.1.15

ieee8021MstpCistPortTable

table
.1.3.111.2.802.1.1.6.1.3 · 1 row entry · 22 columns
Open in standard view 
The CIST Port Table. Each row in the Table represents information
regarding a specific Port within the Bridge's Bridge Protocol
Entity, for the CIST.
          
The values of all writable objects in this table MUST be
retained across reinitializations of the management system.
          
Note that entries will exist in this table only for Bridge
components for which the corresponding instance of
ieee8021SpanningTreeVersion (from the IEEE8021-SPANNING-TREE-MIB)
has a value of mstp(3).
          
This table contains objects corresponding to the following items
from 12.8.2.1, 12.8.2.3, and 12.8.2.5.  Some of those items are 
provided in the IEEE8021-SPANNING-TREE-MIB as noted below.
          
From 12.8.2.1:
    Items a), d), e), and i) through w) are defined in this table
    The remaining items are covered in the
    IEEE8021-SPANNING-TREE-MIB:
        b) ieee8021SpanningTreePortState
        c) ieee8021SpanningTreePortPriority
        d) ieee8021SpanningTreePortPathCost
        f) ieee8021SpanningTreePortDesignatedCost
        g) ieee8021SpanningTreePortDesignatedBridge
        h) ieee8021SpanningTreePortDesignatedPort
From 12.8.2.3:
    Items a), b), and d) through h) are defined in this table
        (item a is the index)
    The remaining items are covered in the
    IEEE8021-SPANNING-TREE-MIB:
        b) ieee8021SpanningTreePortPathCost,
        c) ieee8021SpanningTreePortPriority
From 12.8.2.5:
    All items are defined in this table
Also from 12.8.2.1:
    Items u), v), w), and x) are defined in this table
Also from 12.8.2.3:
    Items i), j), k), and l) are defined in this table
ieee8021MstpCistPortEntry entry .1.3.111.2.802.1.1.6.1.3.1
A CIST Port Table entry.
Indexes
ieee8021MstpCistPortComponentId ieee8021MstpCistPortNum
Column Syntax OID
ieee8021MstpCistPortComponentId
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 Unsigned32
Type Constraints:
range: 1..4294967295
 .1.3.111.2.802.1.1.6.1.3.1.1
ieee8021MstpCistPortNum
The Port's Port Number parameter value for the CIST, i.e., the
number of the Bridge Port for the CIST.
IEEE8021-TC-MIBIEEE8021BridgePortNumber
Textual Convention: IEEE8021-TC-MIBIEEE8021BridgePortNumber Unsigned32
Type Constraints:
range: 1..65535
 .1.3.111.2.802.1.1.6.1.3.1.2
ieee8021MstpCistPortUptime
The Port's Uptime parameter value for the CIST, i.e., the count
in seconds of the time elapsed since the Port was last reset or
initialized (BEGIN, Annex E).
centi-secondsSNMPv2-SMITimeTicks
Textual Convention: SNMPv2-SMITimeTicks Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.111.2.802.1.1.6.1.3.1.3
ieee8021MstpCistPortAdminPathCost
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
 .1.3.111.2.802.1.1.6.1.3.1.4
ieee8021MstpCistPortDesignatedRoot
The CIST Regional Root Identifier component of the Port's port
priority vector, as defined in 13.10, for the CIST.
BRIDGE-MIBBridgeId
Textual Convention: BRIDGE-MIBBridgeId OctetString
Type Constraints:
range: 8
 .1.3.111.2.802.1.1.6.1.3.1.5
ieee8021MstpCistPortTopologyChangeAck
The Port's Topology Change Acknowledge parameter value.
True(1) if a Configuration Message with a topology change
acknowledge flag set is to be transmitted.
SNMPv2-TCTruthValue
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.111.2.802.1.1.6.1.3.1.6
ieee8021MstpCistPortHelloTime
The Port's Hello Time timer parameter value, for the CIST.
In centi-seconds
centi-secondsInteger32
Constraints:
range: 100-1000
 .1.3.111.2.802.1.1.6.1.3.1.7
ieee8021MstpCistPortAdminEdgePort
In a Bridge that supports the identification of edge ports, the
Port's Admin Edge Port parameter value, for the CIST.
SNMPv2-TCTruthValuer/w
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.111.2.802.1.1.6.1.3.1.8
ieee8021MstpCistPortOperEdgePort
In a Bridge that supports the identification of edge ports, the
Port's operational Edge Port parameter value, for the CIST.
True(1) if it is an Oper Edge Port.
SNMPv2-TCTruthValue
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.111.2.802.1.1.6.1.3.1.9
ieee8021MstpCistPortMacEnabled
In a Bridge that supports the MAC Enabled parameter, the current
state of the MAC Enabled parameter.
True(1) indicates that adminstratively the MAC is set as if it
was connected to a point-to-point LAN.
SNMPv2-TCTruthValuer/w
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.111.2.802.1.1.6.1.3.1.10
ieee8021MstpCistPortMacOperational
In a Bridge that supports the MAC Operational parameter, the
current state of the MAC Operational parameter.
True(1) indicates the MAC is operational.
SNMPv2-TCTruthValue
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.111.2.802.1.1.6.1.3.1.11
ieee8021MstpCistPortRestrictedRole
The current state of the restrictedRole parameter for the Port.
True(1) causes the Port not to be selected as Root Port for the
CIST or any MSTI.
SNMPv2-TCTruthValuer/w
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.111.2.802.1.1.6.1.3.1.12
ieee8021MstpCistPortRestrictedTcn
The current state of the restrictedTcn parameter for the Port.
True(1) causes the Port not to propagate topology changes to
other Ports.
SNMPv2-TCTruthValuer/w
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.111.2.802.1.1.6.1.3.1.13
ieee8021MstpCistPortRole
The current Port Role for the Port (i.e., Root, Alternate,
Designated, or Backup), for the CIST.
Enumeration
Enumerated Values:
1root
2alternate
3designated
4backup
 .1.3.111.2.802.1.1.6.1.3.1.14
ieee8021MstpCistPortDisputed
The current value of the disputed variable for the CIST for
the Port. A value of true(1) indicates that the disputed
variable is set. A value of false(2) indicates that the
agreed variable is cleared.
SNMPv2-TCTruthValue
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.111.2.802.1.1.6.1.3.1.15
ieee8021MstpCistPortCistRegionalRootId
In an MSTP Bridge, the CIST Regional Root Identifier, i.e., the
Bridge Identifier of the current CIST Regional Root, for the CIST.
BRIDGE-MIBBridgeId
Textual Convention: BRIDGE-MIBBridgeId OctetString
Type Constraints:
range: 8
 .1.3.111.2.802.1.1.6.1.3.1.16
ieee8021MstpCistPortCistPathCost
In an MSTP Bridge, the Port's Port Path Cost
parameter value for the CIST.
Unsigned32
Constraints:
range: 0-2147483647
 .1.3.111.2.802.1.1.6.1.3.1.17
ieee8021MstpCistPortProtocolMigration
In an MSTP Bridge, the current value of the mcheck variable for
the Port. A value of true(1) forces the state machine to
perform functions as per 13.27.38.
SNMPv2-TCTruthValuer/w
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.111.2.802.1.1.6.1.3.1.18
ieee8021MstpCistPortEnableBPDURx
In an MSTP Bridge, the enableBPDUrx parameter value. A value
of false(2) indicates that BPDUs are ignored.
SNMPv2-TCTruthValuer/w
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.111.2.802.1.1.6.1.3.1.19
ieee8021MstpCistPortEnableBPDUTx
In an MSTP Bridge, the enableBPDUtx parameter value. A value
of false(2) indicates that BPDUs are not transmitted.
SNMPv2-TCTruthValuer/w
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.111.2.802.1.1.6.1.3.1.20
ieee8021MstpCistPortPseudoRootId
In an MSTP Bridge, the pseudoRootId parameter value.
BRIDGE-MIBBridgeIdr/w
Textual Convention: BRIDGE-MIBBridgeId OctetString
Type Constraints:
range: 8
 .1.3.111.2.802.1.1.6.1.3.1.21
ieee8021MstpCistPortIsL2Gp
In an MSTP Bridge, the isL2gp parameter value. A value of
true(1) indicates this is an L2GP port.
SNMPv2-TCTruthValuer/w
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.111.2.802.1.1.6.1.3.1.22

ieee8021MstpPortTable

table
.1.3.111.2.802.1.1.6.1.4 · 1 row entry · 14 columns
Open in standard view 
The MSTP Port Table. Each row in the Table represents information
regarding a specific Port within the Bridge's Bridge Protocol
Entity, for a given MSTI.
          
The values of all writable objects in this table MUST be
retained across reinitializations of the management system.
          
Note that entries will exist in this table only for Bridge
components for which the corresponding instance of
ieee8021SpanningTreeVersion (from the IEEE8021-SPANNING-TREE-MIB)
has a value of mstp(3).
ieee8021MstpPortEntry entry .1.3.111.2.802.1.1.6.1.4.1
A MSTP Port Table entry.
Indexes
ieee8021MstpPortComponentId ieee8021MstpPortMstId ieee8021MstpPortNum
Column Syntax OID
ieee8021MstpPortComponentId
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 Unsigned32
Type Constraints:
range: 1..4294967295
 .1.3.111.2.802.1.1.6.1.4.1.1
ieee8021MstpPortMstId
In an MSTP Bridge, this parameter is the MSTID, i.e., the
identifier of a Spanning Tree (or MST) Instance.
IEEE8021-TC-MIBIEEE8021MstIdentifier
Textual Convention: IEEE8021-TC-MIBIEEE8021MstIdentifier Unsigned32
Type Constraints:
range: 1..4094
 .1.3.111.2.802.1.1.6.1.4.1.2
ieee8021MstpPortNum
In an MSTP Bridge, the Port's Port Number parameter value for
the MSTI, i.e., the number of the Bridge Port for the MSTI.
IEEE8021-TC-MIBIEEE8021BridgePortNumber
Textual Convention: IEEE8021-TC-MIBIEEE8021BridgePortNumber Unsigned32
Type Constraints:
range: 1..65535
 .1.3.111.2.802.1.1.6.1.4.1.3
ieee8021MstpPortUptime
In an MSTP Bridge, the Port's Uptime parameter value for the
MSTI, i.e., the count in seconds of the time elapsed since the
Port was last reset or initialized (BEGIN, Annex E).
centi-secondsSNMPv2-SMITimeTicks
Textual Convention: SNMPv2-SMITimeTicks Unsigned32
Type Constraints:
range: 0..4294967295
 .1.3.111.2.802.1.1.6.1.4.1.4
ieee8021MstpPortState
In an MSTP Bridge, the current state of the Port (i.e., Disabled,
Listening, Learning, Forwarding, or Blocking), for the MSTI.
Enumeration
Enumerated Values:
1disabled
2listening
3learning
4forwarding
5blocking
 .1.3.111.2.802.1.1.6.1.4.1.5
ieee8021MstpPortPriority
In an MSTP Bridge, the Port's Port Priority parameter value for
the MSTI, i.e., the priority field for the Port Identifier for the
Port for the MSTI.
Integer32r/w
Constraints:
range: 0-240
 .1.3.111.2.802.1.1.6.1.4.1.6
ieee8021MstpPortPathCost
In an MSTP Bridge, the Port's Port Path Cost parameter value for
the MSTI.
Integer32r/w
Constraints:
range: 1-200000000
 .1.3.111.2.802.1.1.6.1.4.1.7
ieee8021MstpPortDesignatedRoot
In an MSTP Bridge, the Regional Root Identifier component of the
Port's MSTI port priority vector, as defined in 13.11, for the MSTI.
BRIDGE-MIBBridgeId
Textual Convention: BRIDGE-MIBBridgeId OctetString
Type Constraints:
range: 8
 .1.3.111.2.802.1.1.6.1.4.1.8
ieee8021MstpPortDesignatedCost
In an MSTP Bridge, the Internal Root Path Cost component of the
Port's MSTI port priority vector, as defined in 13.11, for the MSTI.
SNMPv2-SMIInteger32
Textual Convention: SNMPv2-SMIInteger32 Integer32
Type Constraints:
range: -2147483648..2147483647
 .1.3.111.2.802.1.1.6.1.4.1.9
ieee8021MstpPortDesignatedBridge
In an MSTP Bridge, the Designated Bridge Identifier component of
the Port's MSTI port priority vector, as defined in 13.11, for
the MSTI.
BRIDGE-MIBBridgeId
Textual Convention: BRIDGE-MIBBridgeId OctetString
Type Constraints:
range: 8
 .1.3.111.2.802.1.1.6.1.4.1.10
ieee8021MstpPortDesignatedPort
In an MSTP Bridge, the Designated Port Identifier component of the
Port's MSTI port priority vector, as defined in 13.11, for the MSTI.
IEEE8021-TC-MIBIEEE8021BridgePortNumber
Textual Convention: IEEE8021-TC-MIBIEEE8021BridgePortNumber Unsigned32
Type Constraints:
range: 1..65535
 .1.3.111.2.802.1.1.6.1.4.1.11
ieee8021MstpPortRole
In an MSTP Bridge, the current Port Role for the Port (i.e., Root,
Alternate, Designated, or Backup), for the MSTI.
Enumeration
Enumerated Values:
1root
2alternate
3designated
4backup
 .1.3.111.2.802.1.1.6.1.4.1.12
ieee8021MstpPortDisputed
In an MSTP Bridge, the current value of the disputed variable for
the MSTI for the Port.
SNMPv2-TCTruthValue
Textual Convention: SNMPv2-TCTruthValue Enumeration
Type Values:
1true
2false
 .1.3.111.2.802.1.1.6.1.4.1.13
ieee8021MstpPortAdminPathCost
In an MSTP Bridge, the administrative value of the Port's
Port Path Cost parameter value for the MSTI.

Writing a value of '0' assigns the automatically calculated
default Path Cost value to the Port. If …
Integer32r/w
Constraints:
range: 1-200000000
 .1.3.111.2.802.1.1.6.1.4.1.14

ieee8021MstpFidToMstiTable

table deprecated
.1.3.111.2.802.1.1.6.1.5 · 1 row entry · 3 columns
Open in standard view 
In an MSTP Bridge, the fixed-length FID to MSTID Allocation Table
entry. Each entry in the Table corresponds to a FID, and the value
of the entry specifies the MSTID of the spanning tree to which the
set of VLANs supported by that FID are assigned. A value of zero
in an entry specifies that the set of VLANs supported by that FID
are assigned to the CST.
          
The values of all writable objects in this table MUST be
retained across reinitializations of the management system.
          
Note that entries will exist in this table only for Bridge
components for which the corresponding instance of
ieee8021SpanningTreeVersion (from the IEEE8021-SPANNING-TREE-MIB)
has a value of mstp(3).
ieee8021MstpFidToMstiEntry entry .1.3.111.2.802.1.1.6.1.5.1
In an MSTP Bridge, a FID to MSTID Allocation Table entry.
Indexes
ieee8021MstpFidToMstiComponentId ieee8021MstpFidToMstiFid
Column Syntax OID
ieee8021MstpFidToMstiComponentId deprecated
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 Unsigned32
Type Constraints:
range: 1..4294967295
 .1.3.111.2.802.1.1.6.1.5.1.1
ieee8021MstpFidToMstiFid deprecated
In an MSTP Bridge, the FID of the entry in the FID to MSTID
Allocation Table.
Unsigned32
Constraints:
range: 1-4094
 .1.3.111.2.802.1.1.6.1.5.1.2
ieee8021MstpFidToMstiMstId deprecated
In an MSTP Bridge, the MSTID to which the FID (of the entry in
the FID to MSTID Allocation Table) is to be allocated.
IEEE8021-TC-MIBIEEE8021MstIdentifierr/w
Textual Convention: IEEE8021-TC-MIBIEEE8021MstIdentifier Unsigned32
Type Constraints:
range: 1..4094
 .1.3.111.2.802.1.1.6.1.5.1.3

ieee8021MstpVlanTable

table deprecated
.1.3.111.2.802.1.1.6.1.6 · 1 row entry · 3 columns
Open in standard view 
In an MSTP Bridge, the fixed-length (4094 elements), read-only,
MST Configuration Table. Its elements are derived from other
configuration information held by the Bridge; specifically, the
current state of the VID to FID Allocation Table (8.8.8,
12.10.1),and the FID to MSTID Allocation Table (8.9.3, 12.12.2).
Hence, changes made to either of these Tables can in turn affect
the contents of the MST Configuration Table, and also affect the
value of the digest element of the MST Configuration Identifier.
          
The values of all writable objects in this table MUST be
retained across reinitializations of the management system.
          
Note that entries will exist in this table only for Bridge
components for which the corresponding instance of
ieee8021SpanningTreeVersion (from the IEEE8021-SPANNING-TREE-MIB)
has a value of mstp(3).
ieee8021MstpVlanEntry entry .1.3.111.2.802.1.1.6.1.6.1
In an MSTP Bridge, a MST Configuration Table entry.
Indexes
ieee8021MstpVlanComponentId ieee8021MstpVlanId
Column Syntax OID
ieee8021MstpVlanComponentId deprecated
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 Unsigned32
Type Constraints:
range: 1..4294967295
 .1.3.111.2.802.1.1.6.1.6.1.1
ieee8021MstpVlanId deprecated
In an MSTP Bridge, the VID of the entry in the MST
Configuration Table.
IEEE8021-TC-MIBIEEE8021VlanIndex
Textual Convention: IEEE8021-TC-MIBIEEE8021VlanIndex Unsigned32
Type Constraints:
range: 1..4094
range: 4096..4294967295
 .1.3.111.2.802.1.1.6.1.6.1.2
ieee8021MstpVlanMstId deprecated
In an MSTP Bridge, the MSTID value corresponding to the VID
of the entry in the MST Configuration Table.
IEEE8021-TC-MIBIEEE8021MstIdentifier
Textual Convention: IEEE8021-TC-MIBIEEE8021MstIdentifier Unsigned32
Type Constraints:
range: 1..4094
 .1.3.111.2.802.1.1.6.1.6.1.3

ieee8021MstpConfigIdTable

table
.1.3.111.2.802.1.1.6.1.7 · 1 row entry · 5 columns
Open in standard view 
A table containing the MST Configuration Identifier for each
virtual Bridge.  In simple situations where there is only
a single component, there will only be a single entry in
this table (i.e., only a single MST Configuration Identifier).
          
The values of all writable objects in this table MUST be
retained across reinitializations of the management system.
          
Note that entries will exist in this table only for Bridge
components for which the corresponding instance of
ieee8021SpanningTreeVersion (from the IEEE8021-SPANNING-TREE-MIB)
has a value of mstp(3).
ieee8021MstpConfigIdEntry entry .1.3.111.2.802.1.1.6.1.7.1
An entry contining the MST Configuration Identifier of a Bridge.
Indexes
ieee8021MstpConfigIdComponentId
Column Syntax OID
ieee8021MstpConfigIdComponentId
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 Unsigned32
Type Constraints:
range: 1..4294967295
 .1.3.111.2.802.1.1.6.1.7.1.1
ieee8021MstpConfigIdFormatSelector
In an MSTP Bridge, the Configuration Identifier Format Selector
in use by the Bridge, in the MST Configuration Identifier. This
has a value of 0 to indicate the format specified in IEEE Std 802.1Q.
Integer32r/w
Constraints:
range: 0-0
 .1.3.111.2.802.1.1.6.1.7.1.2
ieee8021MstpConfigurationName
In an MSTP Bridge, the Configuration Name in the MST
Configuration Identifier.
OctetStringr/w
Constraints:
range: 32-32
 .1.3.111.2.802.1.1.6.1.7.1.3
ieee8021MstpRevisionLevel
In an MSTP Bridge, the Revision Level in the MST
Configuration Identifier.
Unsigned32r/w
Constraints:
range: 0-65535
 .1.3.111.2.802.1.1.6.1.7.1.4
ieee8021MstpConfigurationDigest
In an MSTP Bridge, the Configuration Digest in the MST
Configuration Identifier.
OctetString
Constraints:
range: 16-16
 .1.3.111.2.802.1.1.6.1.7.1.5

ieee8021MstpCistPortExtensionTable

table
.1.3.111.2.802.1.1.6.1.8 · 1 row entry · 2 columns
Open in standard view 
The CIST Port Extensions Table. Each row in the Table represents information
regarding a specific Port within the Bridge's Bridge Protocol
Entity, for the CIST.
ieee8021MstpCistPortExtensionEntry entry .1.3.111.2.802.1.1.6.1.8.1
A list of additional objects containing information
maintained by every port about the CIST
state for that port.
Indexes
No indexes recorded
Column Syntax OID
ieee8021MstpCistPortAutoEdgePort
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 Enumeration
Type Values:
1true
2false
 .1.3.111.2.802.1.1.6.1.8.1.1
ieee8021MstpCistPortAutoIsolatePort
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 Enumeration
Type Values:
1true
2false
 .1.3.111.2.802.1.1.6.1.8.1.2

ieee8021MstpFidToMstiV2Table

table
.1.3.111.2.802.1.1.6.1.9 · 1 row entry · 3 columns
Open in standard view 
In an MSTP Bridge, the fixed-length FID to MSTID Allocation Table
entry. Each entry in the Table corresponds to a FID, and the value
of the entry specifies the MSTID of the spanning tree to which the
set of VLANs supported by that FID are assigned. A value of zero
in an entry specifies that the set of VLANs supported by that FID
are assigned to the CST.
          
The values of all writable objects in this table MUST be
retained across reinitializations of the management system.
          
Note that entries will exist in this table only for Bridge
components for which the corresponding instance of
ieee8021SpanningTreeVersion (from the IEEE8021-SPANNING-TREE-MIB)
has a value of mstp(3).
ieee8021MstpFidToMstiV2Entry entry .1.3.111.2.802.1.1.6.1.9.1
In an MSTP Bridge, a FID to MSTID Allocation Table entry.
Indexes
ieee8021MstpFidToMstiV2ComponentId ieee8021MstpFidToMstiV2Fid
Column Syntax OID
ieee8021MstpFidToMstiV2ComponentId
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 Unsigned32
Type Constraints:
range: 1..4294967295
 .1.3.111.2.802.1.1.6.1.9.1.1
ieee8021MstpFidToMstiV2Fid
In an MSTP Bridge, the FID of the entry in the FID to MSTID
Allocation Table.
Unsigned32
Constraints:
range: 1-4095
 .1.3.111.2.802.1.1.6.1.9.1.2
ieee8021MstpFidToMstiV2MstId
In an MSTP Bridge, the MSTID to which the FID (of the entry in
the FID to MSTID Allocation Table) is to be allocated.
In an SPT Bridge, the value 4095 is used to indicate unused
(non-filtering) FIDs.
Unsigned32r/w
Constraints:
range: 0-4095
 .1.3.111.2.802.1.1.6.1.9.1.3

ieee8021MstpVlanV2Table

table
.1.3.111.2.802.1.1.6.1.10 · 1 row entry · 3 columns
Open in standard view 
In an MSTP Bridge, the fixed-length (4094 elements), read-only,
MST Configuration Table. Its elements are derived from other
configuration information held by the Bridge; specifically, the
current state of the VID to FID Allocation Table (8.8.8,
12.10.1),and the FID to MSTID Allocation Table (8.9.3, 12.12.2).
Hence, changes made to either of these Tables can in turn affect
the contents of the MST Configuration Table, and also affect the
value of the digest element of the MST Configuration Identifier.
          
The values of all writable objects in this table MUST be
retained across reinitializations of the management system.
          
Note that entries will exist in this table only for Bridge
components for which the corresponding instance of
ieee8021SpanningTreeVersion (from the IEEE8021-SPANNING-TREE-MIB)
has a value of mstp(3).
ieee8021MstpVlanV2Entry entry .1.3.111.2.802.1.1.6.1.10.1
In an MSTP Bridge, a MST Configuration Table entry.
Indexes
ieee8021MstpVlanV2ComponentId ieee8021MstpVlanV2Id
Column Syntax OID
ieee8021MstpVlanV2ComponentId
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 Unsigned32
Type Constraints:
range: 1..4294967295
 .1.3.111.2.802.1.1.6.1.10.1.1
ieee8021MstpVlanV2Id
In an MSTP Bridge, the VID of the entry in the MST
Configuration Table.
IEEE8021-TC-MIBIEEE8021VlanIndex
Textual Convention: IEEE8021-TC-MIBIEEE8021VlanIndex Unsigned32
Type Constraints:
range: 1..4094
range: 4096..4294967295
 .1.3.111.2.802.1.1.6.1.10.1.2
ieee8021MstpVlanV2MstId
In an MSTP Bridge, the MSTID value corresponding to the VID
of the entry in the MST Configuration Table.
In an SPT Bridge, a value of 4095 is used to indicate
SPVIDs.
Unsigned32
Constraints:
range: 0-4095
 .1.3.111.2.802.1.1.6.1.10.1.3