ibmdot1dStpDesignatedRoot
IBM6611-MIB ·
.1.3.6.1.4.1.2.6.2.15.2.5
Object
scalar
mandatory
OctetString
The 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 Identifier parameter in all Configuration Bridge PDUs originated by this node.
Context
- MIB
- IBM6611-MIB
- OID
.1.3.6.1.4.1.2.6.2.15.2.5- Type
- scalar
- Access
- readonly
- Status
- mandatory
- Parent
- ibmdot1dStp
- Siblings
- 14
Syntax
OctetString
Values & Constraints
Object Constraints
range: 8-8
Related Objects
Sibling Objects
| Object | Type | Syntax | OID |
|---|---|---|---|
| ibmdot1dStpProtocolSpecification mandatory An 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 802.1d
implementat… | scalar | Enumeration | .1.3.6.1.4.1.2.6.2.15.2.1 |
| ibmdot1dStpHoldTime mandatory This time value determines the interval length
during which no more than two Configuration bridge
PDUs shall be transmitted by this node, in units
of hundredths of a second. | scalar | Integer32 | .1.3.6.1.4.1.2.6.2.15.2.10 |
| ibmdot1dStpForwardDelay mandatory 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… | scalar | Integer32 | .1.3.6.1.4.1.2.6.2.15.2.11 |
| ibmdot1dStpBridgeMaxAge mandatory The value that all bridges use for MaxAge when
this bridge is acting as the root. Note that
802.1d/D9 specifies that the range for this
parameter is related to the value of
ibmdo… | scalar | Integer32 | .1.3.6.1.4.1.2.6.2.15.2.12 |
| ibmdot1dStpBridgeHelloTime mandatory 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/D9 to be 1 second. An agent may return … | scalar | Integer32 | .1.3.6.1.4.1.2.6.2.15.2.13 |
| ibmdot1dStpBridgeForwardDelay mandatory The value that all bridges use for ForwardDelay
when this bridge is acting as the root. Note that
802.1d/D9 specifies that the range for this
parameter is related to the value of… | scalar | Integer32 | .1.3.6.1.4.1.2.6.2.15.2.14 |
| ibmdot1dStpPortTable mandatory A table that contains port-specific information
for the Spanning Tree Protocol. | table | - | .1.3.6.1.4.1.2.6.2.15.2.15 |
| ibmdot1dStpPriority mandatory The 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 are given by the valu… | scalar | Integer32 | .1.3.6.1.4.1.2.6.2.15.2.2 |
| ibmdot1dStpTimeSinceTopologyChange mandatory The time (in hundredths of a second) since the
last time a topology change was detected by the
bridge entity. | scalar | RFC1155-SMITimeTicks | .1.3.6.1.4.1.2.6.2.15.2.3 |
| ibmdot1dStpTopChanges mandatory The total number of topology changes detected by
this bridge since the management entity was last
reset or initialized. | scalar | RFC1155-SMICounter | .1.3.6.1.4.1.2.6.2.15.2.4 |
| ibmdot1dStpRootCost mandatory The cost of the path to the root as seen from
this bridge. | scalar | Integer32 | .1.3.6.1.4.1.2.6.2.15.2.6 |
| ibmdot1dStpRootPort mandatory The port number of the port which offers the
lowest cost path from this bridge to the root
bridge. | scalar | Integer32 | .1.3.6.1.4.1.2.6.2.15.2.7 |
| ibmdot1dStpMaxAge mandatory 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… | scalar | Integer32 | .1.3.6.1.4.1.2.6.2.15.2.8 |
| ibmdot1dStpHelloTime mandatory The 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 so, in units of hund… | scalar | Integer32 | .1.3.6.1.4.1.2.6.2.15.2.9 |