nnMstBridgeOldDesignatedRoot
NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB ·
.1.3.6.1.4.1.45.5.5.1.2.1.12
Object
column
BRIDGE-MIBBridgeId
The bridge identifier of the old root of the spanning tree instance as determined by the Spanning Tree Protocol as executed by this node.
Context
- MIB
- NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB
- OID
.1.3.6.1.4.1.45.5.5.1.2.1.12- Type
- column
- Access
- readonly
- Status
- current
- Parent
- nnMstBridgeEntry
- Table
- nnMstBridgeTable
- Siblings
- 15
Syntax
BRIDGE-MIBBridgeId
- Source
- BRIDGE-MIBBridgeId
- Base type
OctetString
Values & Constraints
Type Constraints
range: 8
Related Objects
Sibling Objects
| Object | Type | Syntax | OID |
|---|---|---|---|
| nnMstBridgeInstance Spanning Tree Instance to which the information belongs. | column | Integer32 | .1.3.6.1.4.1.45.5.5.1.2.1.1 |
| nnMstBridgeInstanceUpCount The number of times a new spanning tree instance has
been created.
A Trap is generated on the occurence of this event. | column | SNMPv2-SMICounter32 | .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. | column | SNMPv2-SMICounter32 | .1.3.6.1.4.1.45.5.5.1.2.1.11 |
| nnMstBridgeEnabled This object is used to control whether this bridge instance
is enabled or disabled. | column | SNMPv2-TCTruthValue | .1.3.6.1.4.1.45.5.5.1.2.1.13 |
| nnMstBridgeRowStatus This object is used to control row creation/deletion. | column | SNMPv2-TCRowStatus | .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 v… | column | OctetString | .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 … | column | Enumeration | .1.3.6.1.4.1.45.5.5.1.2.1.16 |
| 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 | column | BRIDGE-MIBBridgeId | .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. | column | Integer32 | .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. | column | SNMPv2-SMIInteger32 | .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. | column | SNMPv2-SMIInteger32 | .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. | column | SNMPv2-SMITimeTicks | .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. | column | SNMPv2-SMICounter32 | .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. | column | SNMPv2-SMICounter32 | .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. | column | Enumeration | .1.3.6.1.4.1.45.5.5.1.2.1.9 |