vStpInsNextBestRootPortNumber
ALCATEL-ENT1-VLAN-STP-MIB ·
.1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.12
Object
column
SNMPv2-SMIInteger32
The ifindex of the next port which offers the lowest cost path from this bridge to the root bridge for this spanning tree instance. This port will become root port if the actual root port goes down.
Context
- MIB
- ALCATEL-ENT1-VLAN-STP-MIB
- OID
.1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.12- Type
- column
- Access
- readonly
- Status
- current
- Parent
- vStpInsEntry
- Table
- vStpInsTable
- Siblings
- 27
Syntax
SNMPv2-SMIInteger32
- Source
- SNMPv2-SMIInteger32
- Base type
Integer32
Values & Constraints
Type Constraints
range: -2147483648..2147483647
Related Objects
Sibling Objects
| Object | Type | Syntax | OID |
|---|---|---|---|
| vStpInsBridgeMode The mode of the Spanning Tree Protocol activated
on this bridge.Only the instances matching the current
value of vStpBridgeMode are active | column | Enumeration | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.1 |
| vStpInsRootPortNumber The ifindex of the port which offers the
lowest cost path from this bridge to the root
bridge for this spanning tree instance. | column | SNMPv2-SMIInteger32 | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.10 |
| vStpInsNextBestRootCost The cost of the path to the root through the next
best root port as seen from this bridge
for this spanning tree instance. | column | SNMPv2-SMIInteger32 | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.11 |
| vStpInsMaxAge 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 th… | column | BRIDGE-MIBTimeout | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.13 |
| vStpInsHelloTime The amount of time between the transmission of
Configuration bridge PDUs by this instance on any port
when it is the root of the spanning tree or trying
to become so, in units of … | column | BRIDGE-MIBTimeout | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.14 |
| vStpInsHoldTime This time value determines the interval length
during which no more than two Configuration bridge
PDUs shall be transmitted by this instance, in units
of hundredths of a second. | column | SNMPv2-SMIInteger32 | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.15 |
| vStpInsForwardDelay 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 h… | column | SNMPv2-SMIInteger32 | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.16 |
| vStpInsBridgeMaxAge The value that all bridges use for MaxAge when
this bridge is acting as the root. Note that
802.1D-1990 specifies that the range for this
parameter is related to the value of
vSt… | column | Integer32 | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.17 |
| vStpInsBridgeHelloTime The 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-
1990 to be 1 second. An agent may retu… | column | Integer32 | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.18 |
| vStpInsBridgeForwardDelay The value that all bridges use for ForwardDelay
when this bridge is acting as the root. Note that
802.1D-1990 specifies that the range for this
parameter is related to the value … | column | Integer32 | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.19 |
| vStpInsNumber The Spanning Tree number identifying this instance.
In 1x1 mode the accepted range is 1-4095 and corresponds
to the VLAN. In Flat mode the range is 0-4095 and corresponds to the
… | column | Integer32 | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.2 |
| vStpInsBpduSwitching When this field is enabled, the BPDUs received for
this instance to be switched when spanning tree is disabled.
When the field is disabled, the BPDUs received on this
instance wil… | column | Enumeration | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.20 |
| vStpInsCistRegionalRootId The bridge identifier of the regional CIST root bridge of
the spanning tree as determined by the Spanning Tree
Protocol. This value is only used in flat mode | column | BRIDGE-MIBBridgeId | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.21 |
| vStpInsCistPathCost The cost of the path to the cist regional root.
This value is only used in flat mode | column | SNMPv2-SMIInteger32 | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.22 |
| vStpIns1x1VlanNumber The Vlan number of this instance. Only valid in
1x1 mode. | column | SNMPv2-SMIInteger32 | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.23 |
| vStpInsMstiNumber The Mst instance. Only valid in Flat Mode. | column | SNMPv2-SMIInteger32 | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.24 |
| vStpInsMode The current mode of the Spanning Tree Protocol this instance
is a part of. | column | Enumeration | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.25 |
| vStpInsAutoVlanContainment The current enabled status for this instance of the Auto
Vlan containment feature which controls path costs in MSTP. | column | Enumeration | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.26 |
| vStpInsBridgeTxHoldCount A limit controlling the number of PDUs transmitted per port
per second for this instance. | column | Integer32 | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.27 |
| vStpInsAdminState The enabled/disabled status of the STP instance;
applicable only to per VLAN Spanning Tree instances.
Default values are enabled(1) for per VLAN instances and
notapplicable(0) for… | column | Enumeration | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.28 |
| vStpInsProtocolSpecification The version of the Spanning Tree Protocol implemented
for this instance. ieeeSTP represents standard STP of 802.1d 1998.
ieeeRSTP stands for Rapid STP. Multiple STP or
MSTP (802.… | column | Enumeration | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.3 |
| vStpInsPriority The value of the write-able portion of the Bridge
ID, i.e., the first two octets of the (8 octet
long) Bridge ID (vStpBridgeAddress). The other (last)
6 octets of the Bridge ID a… | column | Integer32 | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.4 |
| vStpInsBridgeAddress The bridge identifier of this spanning tree instance
as determined by the Spanning Tree Protocol. | column | BRIDGE-MIBBridgeId | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.5 |
| vStpInsTimeSinceTopologyChange The time (in hundredths of a second) since the
last time a topology change was detected by this
spanning tree instance. | column | SNMPv2-SMITimeTicks | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.6 |
| vStpInsTopChanges The total number of topology changes detected by
this spanning tree instance since the management
entity was last reset or initialized. | column | SNMPv2-SMICounter32 | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.7 |
| vStpInsDesignatedRoot The bridge identifier of the root of the spanning
tree as determined by the Spanning Tree Protocol as executed
by this instance.
This value is used as the Root Identifier paramete… | column | BRIDGE-MIBBridgeId | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.8 |
| vStpInsRootCost The cost of the path to the root as seen from
this bridge for this spanning tree instance. | column | SNMPv2-SMIInteger32 | .1.3.6.1.4.1.6486.801.1.2.1.12.1.1.1.1.1.9 |