📄 rfc1493.txt
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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."
REFERENCE
"IEEE 802.1D-1990: Section 4.5.3.8"
::= { dot1dStp 12 }
dot1dStpBridgeHelloTime OBJECT-TYPE
SYNTAX Timeout (100..1000)
ACCESS read-write
STATUS mandatory
DESCRIPTION
"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."
REFERENCE
"IEEE 802.1D-1990: Section 4.5.3.9"
::= { dot1dStp 13 }
dot1dStpBridgeForwardDelay OBJECT-TYPE
SYNTAX Timeout (400..3000)
ACCESS read-write
STATUS mandatory
DESCRIPTION
"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."
REFERENCE
"IEEE 802.1D-1990: Section 4.5.3.10"
::= { dot1dStp 14 }
Decker, Langille, Rijsinghani & McCloghrie [Page 18]
RFC 1493 Bridge MIB July 1993
-- The Spanning Tree Port Table
dot1dStpPortTable OBJECT-TYPE
SYNTAX SEQUENCE OF Dot1dStpPortEntry
ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"A table that contains port-specific information
for the Spanning Tree Protocol."
::= { dot1dStp 15 }
dot1dStpPortEntry OBJECT-TYPE
SYNTAX Dot1dStpPortEntry
ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"A list of information maintained by every port
about the Spanning Tree Protocol state for that
port."
INDEX { dot1dStpPort }
::= { dot1dStpPortTable 1 }
Dot1dStpPortEntry ::=
SEQUENCE {
dot1dStpPort
INTEGER,
dot1dStpPortPriority
INTEGER,
dot1dStpPortState
INTEGER,
dot1dStpPortEnable
INTEGER,
dot1dStpPortPathCost
INTEGER,
dot1dStpPortDesignatedRoot
BridgeId,
dot1dStpPortDesignatedCost
INTEGER,
dot1dStpPortDesignatedBridge
BridgeId,
dot1dStpPortDesignatedPort
OCTET STRING,
dot1dStpPortForwardTransitions
Counter
}
dot1dStpPort OBJECT-TYPE
SYNTAX INTEGER (1..65535)
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RFC 1493 Bridge MIB July 1993
ACCESS read-only
STATUS mandatory
DESCRIPTION
"The port number of the port for which this entry
contains Spanning Tree Protocol management
information."
REFERENCE
"IEEE 802.1D-1990: Section 6.8.2.1.2"
::= { dot1dStpPortEntry 1 }
dot1dStpPortPriority OBJECT-TYPE
SYNTAX INTEGER (0..255)
ACCESS read-write
STATUS mandatory
DESCRIPTION
"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."
REFERENCE
"IEEE 802.1D-1990: Section 4.5.5.1"
::= { dot1dStpPortEntry 2 }
dot1dStpPortState OBJECT-TYPE
SYNTAX INTEGER {
disabled(1),
blocking(2),
listening(3),
learning(4),
forwarding(5),
broken(6)
}
ACCESS read-only
STATUS mandatory
DESCRIPTION
"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)."
REFERENCE
"IEEE 802.1D-1990: Section 4.5.5.2"
::= { dot1dStpPortEntry 3 }
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RFC 1493 Bridge MIB July 1993
dot1dStpPortEnable OBJECT-TYPE
SYNTAX INTEGER {
enabled(1),
disabled(2)
}
ACCESS read-write
STATUS mandatory
DESCRIPTION
"The enabled/disabled status of the port."
REFERENCE
"IEEE 802.1D-1990: Section 4.5.5.2"
::= { dot1dStpPortEntry 4 }
dot1dStpPortPathCost OBJECT-TYPE
SYNTAX INTEGER (1..65535)
ACCESS read-write
STATUS mandatory
DESCRIPTION
"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."
REFERENCE
"IEEE 802.1D-1990: Section 4.5.5.3"
::= { dot1dStpPortEntry 5 }
dot1dStpPortDesignatedRoot OBJECT-TYPE
SYNTAX BridgeId
ACCESS read-only
STATUS mandatory
DESCRIPTION
"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."
REFERENCE
"IEEE 802.1D-1990: Section 4.5.5.4"
::= { dot1dStpPortEntry 6 }
dot1dStpPortDesignatedCost OBJECT-TYPE
SYNTAX INTEGER
ACCESS read-only
STATUS mandatory
DESCRIPTION
"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
Decker, Langille, Rijsinghani & McCloghrie [Page 21]
RFC 1493 Bridge MIB July 1993
bridge PDUs."
REFERENCE
"IEEE 802.1D-1990: Section 4.5.5.5"
::= { dot1dStpPortEntry 7 }
dot1dStpPortDesignatedBridge OBJECT-TYPE
SYNTAX BridgeId
ACCESS read-only
STATUS mandatory
DESCRIPTION
"The Bridge Identifier of the bridge which this
port considers to be the Designated Bridge for
this port's segment."
REFERENCE
"IEEE 802.1D-1990: Section 4.5.5.6"
::= { dot1dStpPortEntry 8 }
dot1dStpPortDesignatedPort OBJECT-TYPE
SYNTAX OCTET STRING (SIZE (2))
ACCESS read-only
STATUS mandatory
DESCRIPTION
"The Port Identifier of the port on the Designated
Bridge for this port's segment."
REFERENCE
"IEEE 802.1D-1990: Section 4.5.5.7"
::= { dot1dStpPortEntry 9 }
dot1dStpPortForwardTransitions OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"The number of times this port has transitioned
from the Learning state to the Forwarding state."
::= { dot1dStpPortEntry 10 }
-- the dot1dTp group
-- Implementation of the dot1dTp group is optional. It is
-- implemented by those bridges that support the transparent
-- bridging mode. A transparent or SRT bridge will implement
-- this group.
dot1dTpLearnedEntryDiscards OBJECT-TYPE
SYNTAX Counter
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RFC 1493 Bridge MIB July 1993
ACCESS read-only
STATUS mandatory
DESCRIPTION
"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."
REFERENCE
"IEEE 802.1D-1990: Section 6.7.1.1.3"
::= { dot1dTp 1 }
dot1dTpAgingTime OBJECT-TYPE
SYNTAX INTEGER (10..1000000)
ACCESS read-write
STATUS mandatory
DESCRIPTION
"The timeout period in seconds for aging out
dynamically learned forwarding information.
802.1D-1990 recommends a default of 300 seconds."
REFERENCE
"IEEE 802.1D-1990: Section 6.7.1.1.3"
::= { dot1dTp 2 }
-- The Forwarding Database for Transparent Bridges
dot1dTpFdbTable OBJECT-TYPE
SYNTAX SEQUENCE OF Dot1dTpFdbEntry
ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"A table that contains information about unicast
entries for which the bridge has forwarding and/or
filtering information. This information is used
by the transparent bridging function in
determining how to propagate a received frame."
::= { dot1dTp 3 }
dot1dTpFdbEntry OBJECT-TYPE
SYNTAX Dot1dTpFdbEntry
ACCESS not-accessible
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