| dot1dBaseBridgeAddress |
.1.3.6.1.2.1.17.1.1 |
|
The MAC address used by this bridge when it must
be referred to in a unique fashion. It is
recommended that this be the numerically smallest
MAC address of all ports that belong to this
bridge. However it is only required to be unique.
When concatenated with dot1dStpPriority a unique
BridgeIdentifier is formed which is used in the
Spanning Tree Protocol.
|
| dot1dBaseNumPorts |
.1.3.6.1.2.1.17.1.2 |
|
The number of ports controlled by this bridging
entity.
|
| dot1dBaseType |
.1.3.6.1.2.1.17.1.3 |
|
Indicates what type of bridging this bridge can
perform. If a bridge is actually performing a
certain type of bridging this will be indicated by
entries in the port table for the given type.
|
| dot1dBasePortEntry |
.1.3.6.1.2.1.17.1.4.1 |
|
A list of information for each port of the
bridge.
|
| dot1dStpProtocolSpecification |
.1.3.6.1.2.1.17.2.1 |
|
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
implementations will return 'ieee8021d(3)'. If
future versions of the IEEE Spanning Tree Protocol
are released that are incompatible with the
current version a new value will be defined.
|
| dot1dStpPriority |
.1.3.6.1.2.1.17.2.2 |
|
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 value of
dot1dBaseBridgeAddress.
|
| dot1dStpTimeSinceTopologyChange |
.1.3.6.1.2.1.17.2.3 |
|
The time (in hundredths of a second) since the
last time a topology change was detected by the
bridge entity.
|
| dot1dStpTopChanges |
.1.3.6.1.2.1.17.2.4 |
|
The total number of topology changes detected by
this bridge since the management entity was last
reset or initialized.
|
| dot1dStpDesignatedRoot |
.1.3.6.1.2.1.17.2.5 |
|
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.
|
| dot1dStpRootCost |
.1.3.6.1.2.1.17.2.6 |
|
The cost of the path to the root as seen from
this bridge.
|
| dot1dStpRootPort |
.1.3.6.1.2.1.17.2.7 |
|
The port number of the port which offers the
lowest cost path from this bridge to the root
bridge.
|
| dot1dStpMaxAge |
.1.3.6.1.2.1.17.2.8 |
|
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 that this
bridge is currently using.
|
| dot1dStpHelloTime |
.1.3.6.1.2.1.17.2.9 |
|
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 hundredths of a second.
This is the actual value that this bridge is
currently using.
|
| dot1dStpHoldTime |
.1.3.6.1.2.1.17.2.10 |
|
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.
|
| dot1dStpForwardDelay |
.1.3.6.1.2.1.17.2.11 |
|
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 how long the port
stays in each of the Listening and Learning
states, which precede the Forwarding state. This
value is also used, when a topology change has
been detected and is underway, to age all dynamic
entries in the Forwarding Database. [Note that
this value is the one that this bridge is
currently using, in contrast to
dot1dStpBridgeForwardDelay which is the value that
this bridge and all others would start using
if/when this bridge were to become the root.]
|
| dot1dStpBridgeMaxAge |
.1.3.6.1.2.1.17.2.12 |
|
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
dot1dStpBridgeHelloTime. The granularity of this
timer is specified by 802.1D-1990 to be 1 second.
An agent may return a badValue error if a set is
attempted to a value which is not a whole number
of seconds.
|
| dot1dStpBridgeHelloTime |
.1.3.6.1.2.1.17.2.13 |
|
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 return a
badValue error if a set is attempted to a value
which is not a whole number of seconds.
|
| dot1dStpBridgeForwardDelay |
.1.3.6.1.2.1.17.2.14 |
|
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 of
dot1dStpBridgeMaxAge. The granularity of this
timer is specified by 802.1D-1990 to be 1 second.
An agent may return a badValue error if a set is
attempted to a value which is not a whole number
of seconds.
|
| dot1dStpPortEntry |
.1.3.6.1.2.1.17.2.15.1 |
|
A list of information maintained by every port
about the Spanning Tree Protocol state for that
port.
|
| dot1dTpLearnedEntryDiscards |
.1.3.6.1.2.1.17.4.1 |
|
The total number of Forwarding Database entries,
which have been or would have been learnt, but
have been discarded due to a lack of space to
store them in the Forwarding Database. If this
counter is increasing, it indicates that the
Forwarding Database is regularly becoming full (a
condition which has unpleasant performance effects
on the subnetwork). If this counter has a
significant value but is not presently increasing,
it indicates that the problem has been occurring
but is not persistent.
|
| dot1dTpAgingTime |
.1.3.6.1.2.1.17.4.2 |
|
The timeout period in seconds for aging out
dynamically learned forwarding information.
802.1D-1990 recommends a default of 300 seconds.
|
| dot1dTpFdbEntry |
.1.3.6.1.2.1.17.4.3.1 |
|
Information about a specific unicast MAC address
for which the bridge has some forwarding and/or
filtering information.
|
| dot1dTpPortEntry |
.1.3.6.1.2.1.17.4.4.1 |
|
A list of information for each port of a
transparent bridge.
|
| dot1dStaticEntry |
.1.3.6.1.2.1.17.5.1.1 |
|
Filtering information configured into the bridge
by (local or network) management specifying the
set of ports to which frames received from a
specific port and containing a specific
destination address are allowed to be forwarded.
|
| dot1dBasePort |
.1.3.6.1.2.1.17.1.4.1.1 |
|
The port number of the port for which this entry
contains bridge management information.
|
| dot1dBasePortIfIndex |
.1.3.6.1.2.1.17.1.4.1.2 |
|
The value of the instance of the ifIndex object,
defined in MIB-II, for the interface corresponding
to this port.
|
| dot1dBasePortCircuit |
.1.3.6.1.2.1.17.1.4.1.3 |
|
For a port which (potentially) has the same value
of dot1dBasePortIfIndex as another port on the
same bridge, this object contains the name of an
object instance unique to this port. For example,
in the case where multiple ports correspond one-
to-one with multiple X.25 virtual circuits, this
value might identify an (e.g., the first) object
instance associated with the X.25 virtual circuit
corresponding to this port.
For a port which has a unique value of
dot1dBasePortIfIndex, this object can have the
value { 0 0 }.
|
| dot1dBasePortDelayExceededDiscards |
.1.3.6.1.2.1.17.1.4.1.4 |
|
The number of frames discarded by this port due
to excessive transit delay through the bridge. It
is incremented by both transparent and source
route bridges.
|
| dot1dBasePortMtuExceededDiscards |
.1.3.6.1.2.1.17.1.4.1.5 |
|
The number of frames discarded by this port due
to an excessive size. It is incremented by both
transparent and source route bridges.
|
| dot1dStpPort |
.1.3.6.1.2.1.17.2.15.1.1 |
|
The port number of the port for which this entry
contains Spanning Tree Protocol management
information.
|
| dot1dStpPortPriority |
.1.3.6.1.2.1.17.2.15.1.2 |
|
The value of the priority field which is
contained in the first (in network byte order)
octet of the (2 octet long) Port ID. The other
octet of the Port ID is given by the value of
dot1dStpPort.
|
| dot1dStpPortState |
.1.3.6.1.2.1.17.2.15.1.3 |
|
The port's current state as defined by
application of the Spanning Tree Protocol. This
state controls what action a port takes on
reception of a frame. If the bridge has detected
a port that is malfunctioning it will place that
port into the broken(6) state. For ports which
are disabled (see dot1dStpPortEnable), this object
will have a value of disabled(1).
|
| dot1dStpPortEnable |
.1.3.6.1.2.1.17.2.15.1.4 |
|
The enabled/disabled status of the port.
|
| dot1dStpPortPathCost |
.1.3.6.1.2.1.17.2.15.1.5 |
|
The contribution of this port to the path cost of
paths towards the spanning tree root which include
this port. 802.1D-1990 recommends that the
default value of this parameter be in inverse
proportion to the speed of the attached LAN.
|
| dot1dStpPortDesignatedRoot |
.1.3.6.1.2.1.17.2.15.1.6 |
|
The unique Bridge Identifier of the Bridge
recorded as the Root in the Configuration BPDUs
transmitted by the Designated Bridge for the
segment to which the port is attached.
|
| dot1dStpPortDesignatedCost |
.1.3.6.1.2.1.17.2.15.1.7 |
|
The path cost of the Designated Port of the
segment connected to this port. This value is
compared to the Root Path Cost field in received
bridge PDUs.
|
| dot1dStpPortDesignatedBridge |
.1.3.6.1.2.1.17.2.15.1.8 |
|
The Bridge Identifier of the bridge which this
port considers to be the Designated Bridge for
this port's segment.
|
| dot1dStpPortDesignatedPort |
.1.3.6.1.2.1.17.2.15.1.9 |
|
The Port Identifier of the port on the Designated
Bridge for this port's segment.
|
| dot1dStpPortForwardTransitions |
.1.3.6.1.2.1.17.2.15.1.10 |
|
The number of times this port has transitioned
from the Learning state to the Forwarding state.
|
| dot1dTpFdbAddress |
.1.3.6.1.2.1.17.4.3.1.1 |
|
A unicast MAC address for which the bridge has
forwarding and/or filtering information.
|
| dot1dTpFdbPort |
.1.3.6.1.2.1.17.4.3.1.2 |
|
Either the value '0', or the port number of the
port on which a frame having a source address
equal to the value of the corresponding instance
of dot1dTpFdbAddress has been seen. A value of
'0' indicates that the port number has not been
learned but that the bridge does have some
forwarding/filtering information about this
address (e.g. in the dot1dStaticTable).
Implementors are encouraged to assign the port
value to this object whenever it is learned even
for addresses for which the corresponding value of
dot1dTpFdbStatus is not learned(3).
|
| dot1dTpFdbStatus |
.1.3.6.1.2.1.17.4.3.1.3 |
|
The status of this entry. The meanings of the
values are:
other(1) : none of the following. This would
include the case where some other
MIB object (not the corresponding
instance of dot1dTpFdbPort, nor an
entry in the dot1dStaticTable) is
being used to determine if and how
frames addressed to the value of
the corresponding instance of
dot1dTpFdbAddress are being
forwarded.
invalid(2) : this entry is not longer valid
(e.g., it was learned but has since
aged-out), but has not yet been
flushed from the table.
learned(3) : the value of the corresponding
instance of dot1dTpFdbPort was
learned, and is being used.
self(4) : the value of the corresponding
instance of dot1dTpFdbAddress
represents one of the bridge's
addresses. The corresponding
instance of dot1dTpFdbPort
indicates which of the bridge's
ports has this address.
mgmt(5) : the value of the corresponding
instance of dot1dTpFdbAddress is
also the value of an existing
instance of dot1dStaticAddress.
|
| dot1dTpPort |
.1.3.6.1.2.1.17.4.4.1.1 |
|
The port number of the port for which this entry
contains Transparent bridging management
information.
|
| dot1dTpPortMaxInfo |
.1.3.6.1.2.1.17.4.4.1.2 |
|
The maximum size of the INFO (non-MAC) field that
this port will receive or transmit.
|
| dot1dTpPortInFrames |
.1.3.6.1.2.1.17.4.4.1.3 |
|
The number of frames that have been received by
this port from its segment. Note that a frame
received on the interface corresponding to this
port is only counted by this object if and only if
it is for a protocol being processed by the local
bridging function, including bridge management
frames.
|
| dot1dTpPortOutFrames |
.1.3.6.1.2.1.17.4.4.1.4 |
|
The number of frames that have been transmitted
by this port to its segment. Note that a frame
transmitted on the interface corresponding to this
port is only counted by this object if and only if
it is for a protocol being processed by the local
bridging function, including bridge management
frames.
|
| dot1dTpPortInDiscards |
.1.3.6.1.2.1.17.4.4.1.5 |
|
Count of valid frames received which were
discarded (i.e., filtered) by the Forwarding
Process.
|
| dot1dStaticAddress |
.1.3.6.1.2.1.17.5.1.1.1 |
|
The destination MAC address in a frame to which
this entry's filtering information applies. This
object can take the value of a unicast address, a
group address or the broadcast address.
|
| dot1dStaticReceivePort |
.1.3.6.1.2.1.17.5.1.1.2 |
|
Either the value '0', or the port number of the
port from which a frame must be received in order
for this entry's filtering information to apply.
A value of zero indicates that this entry applies
on all ports of the bridge for which there is no
other applicable entry.
|
| dot1dStaticAllowedToGoTo |
.1.3.6.1.2.1.17.5.1.1.3 |
|
The set of ports to which frames received from a
specific port and destined for a specific MAC
address, are allowed to be forwarded. Each octet
within the value of this object specifies a set of
eight ports, with the first octet specifying ports
1 through 8, the second octet specifying ports 9
through 16, etc. Within each octet, the most
significant bit represents the lowest numbered
port, and the least significant bit represents the
highest numbered port. Thus, each port of the
bridge is represented by a single bit within the
value of this object. If that bit has a value of
'1' then that port is included in the set of
ports; the port is not included if its bit has a
value of '0'. (Note that the setting of the bit
corresponding to the port from which a frame is
received is irrelevant.) The default value of
this object is a string of ones of appropriate
length.
|
| dot1dStaticStatus |
.1.3.6.1.2.1.17.5.1.1.4 |
|
This object indicates the status of this entry.
The default value is permanent(3).
other(1) - this entry is currently in use but
the conditions under which it will
remain so are different from each of the
following values.
invalid(2) - writing this value to the object
removes the corresponding entry.
permanent(3) - this entry is currently in use
and will remain so after the next reset
of the bridge.
deleteOnReset(4) - this entry is currently in
use and will remain so until the next
reset of the bridge.
deleteOnTimeout(5) - this entry is currently
in use and will remain so until it is
aged out.
|
