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diff --git a/mibs/BRIDGE-MIB.txt b/mibs/BRIDGE-MIB.txt new file mode 100644 index 0000000..fb94840 --- /dev/null +++ b/mibs/BRIDGE-MIB.txt @@ -0,0 +1,1075 @@ +BRIDGE-MIB DEFINITIONS ::= BEGIN + +IMPORTS + Counter, TimeTicks + FROM RFC1155-SMI + mib-2 + FROM RFC1213-MIB + OBJECT-TYPE + FROM RFC-1212 + TRAP-TYPE + FROM RFC-1215; + +-- All representations of MAC addresses in this MIB Module +-- use, as a textual convention (i.e. this convention does +-- not affect their encoding), the data type: +MacAddress ::= OCTET STRING (SIZE (6)) -- a 6 octet address + -- in the + -- "canonical" + -- order +-- defined by IEEE 802.1a, i.e., as if it were transmitted +-- least significant bit first, even though 802.5 (in +-- contrast to other n802.x protocols) requires MAC +-- addresses to be transmitted most significant bit first. +-- +-- 16-bit addresses, if needed, are represented by setting +-- their upper 4 octets to all 0's, i.e., AAFF would be +-- represented as 00000000AAFF. + +-- Similarly, all representations of Bridge-Id in this MIB +-- Module use, as a textual convention (i.e. this +-- convention does not affect their encoding), the data +-- type: +BridgeId ::= OCTET STRING (SIZE (8)) -- the + -- Bridge-Identifier + -- as used in the + -- Spanning Tree +-- Protocol to uniquely identify a bridge. Its first two +-- octets (in network byte order) contain a priority +-- value and its last 6 octets contain the MAC address +-- used to refer to a bridge in a unique fashion +-- (typically, the numerically smallest MAC address +-- of all ports on the bridge). + +-- Several objects in this MIB module represent values of +-- timers used by the Spanning Tree Protocol. In this +-- MIB, these timers have values in units of hundreths of +-- a second (i.e. 1/100 secs). +-- These timers, when stored in a Spanning Tree Protocol's +-- BPDU, are in units of 1/256 seconds. Note, however, +-- that 802.1D-1990 specifies a settable granularity of +-- no more than 1 second for these timers. To avoid +-- ambiguity, a data type is defined here as a textual +-- convention and all representation of these timers +-- in this MIB module are defined using this data type. An +-- algorithm is also defined for converting between the +-- different units, to ensure a timer's value is not +-- distorted by multiple conversions. +-- The data type is: + +Timeout ::= INTEGER -- a STP timer in units of 1/100 seconds + +-- To convert a Timeout value into a value in units of +-- 1/256 seconds, the following algorithm should be used: +-- +-- b = floor( (n * 256) / 100) +-- +-- where: +-- floor = quotient [ignore remainder] +-- n is the value in 1/100 second units +-- b is the value in 1/256 second units +-- +-- To convert the value from 1/256 second units back to +-- 1/100 seconds, the following algorithm should be used: +-- +-- n = ceiling( (b * 100) / 256) +-- +-- where: +-- ceiling = quotient [if remainder is 0], or +-- quotient + 1 [if remainder is non-zero] +-- n is the value in 1/100 second units +-- b is the value in 1/256 second units +-- +-- Note: it is important that the arithmetic operations are +-- done in the order specified (i.e., multiply first, divide +-- second). + + dot1dBridge OBJECT IDENTIFIER ::= { mib-2 17 } + +-- groups in the Bridge MIB + +dot1dBase OBJECT IDENTIFIER ::= { dot1dBridge 1 } + +dot1dStp OBJECT IDENTIFIER ::= { dot1dBridge 2 } + +dot1dSr OBJECT IDENTIFIER ::= { dot1dBridge 3 } +-- separately documented + +dot1dTp OBJECT IDENTIFIER ::= { dot1dBridge 4 } + +dot1dStatic OBJECT IDENTIFIER ::= { dot1dBridge 5 } + +-- the dot1dBase group + +-- Implementation of the dot1dBase group is mandatory for all +-- bridges. + +dot1dBaseBridgeAddress OBJECT-TYPE + SYNTAX MacAddress + ACCESS read-only + STATUS mandatory + DESCRIPTION + "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." + REFERENCE + "IEEE 802.1D-1990: Sections 6.4.1.1.3 and 3.12.5" + ::= { dot1dBase 1 } + +dot1dBaseNumPorts OBJECT-TYPE + SYNTAX INTEGER + ACCESS read-only + STATUS mandatory + DESCRIPTION + "The number of ports controlled by this bridging + entity." + REFERENCE + "IEEE 802.1D-1990: Section 6.4.1.1.3" + ::= { dot1dBase 2 } + +dot1dBaseType OBJECT-TYPE + SYNTAX INTEGER { + unknown(1), + transparent-only(2), + sourceroute-only(3), + srt(4) + } + ACCESS read-only + STATUS mandatory + DESCRIPTION + "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." + ::= { dot1dBase 3 } + +-- The Generic Bridge Port Table + +dot1dBasePortTable OBJECT-TYPE + SYNTAX SEQUENCE OF Dot1dBasePortEntry + ACCESS not-accessible + STATUS mandatory + DESCRIPTION + "A table that contains generic information about + every port that is associated with this bridge. + Transparent, source-route, and srt ports are + included." + ::= { dot1dBase 4 } + +dot1dBasePortEntry OBJECT-TYPE + SYNTAX Dot1dBasePortEntry + ACCESS not-accessible + STATUS mandatory + DESCRIPTION + "A list of information for each port of the + bridge." + REFERENCE + "IEEE 802.1D-1990: Section 6.4.2, 6.6.1" + INDEX { dot1dBasePort } + ::= { dot1dBasePortTable 1 } + +Dot1dBasePortEntry ::= + SEQUENCE { + dot1dBasePort + INTEGER, + dot1dBasePortIfIndex + INTEGER, + dot1dBasePortCircuit + + OBJECT IDENTIFIER, + dot1dBasePortDelayExceededDiscards + Counter, + dot1dBasePortMtuExceededDiscards + Counter + } + +dot1dBasePort OBJECT-TYPE + SYNTAX INTEGER (1..65535) + ACCESS read-only + STATUS mandatory + DESCRIPTION + "The port number of the port for which this entry + contains bridge management information." + ::= { dot1dBasePortEntry 1 } + +dot1dBasePortIfIndex OBJECT-TYPE + SYNTAX INTEGER + ACCESS read-only + STATUS mandatory + DESCRIPTION + "The value of the instance of the ifIndex object, + defined in MIB-II, for the interface corresponding + to this port." + ::= { dot1dBasePortEntry 2 } + +dot1dBasePortCircuit OBJECT-TYPE + SYNTAX OBJECT IDENTIFIER + ACCESS read-only + STATUS mandatory + DESCRIPTION + "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 }." + ::= { dot1dBasePortEntry 3 } + +dot1dBasePortDelayExceededDiscards OBJECT-TYPE + SYNTAX Counter + + ACCESS read-only + STATUS mandatory + DESCRIPTION + "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." + REFERENCE + "IEEE 802.1D-1990: Section 6.6.1.1.3" + ::= { dot1dBasePortEntry 4 } + +dot1dBasePortMtuExceededDiscards OBJECT-TYPE + SYNTAX Counter + ACCESS read-only + STATUS mandatory + DESCRIPTION + "The number of frames discarded by this port due + to an excessive size. It is incremented by both + transparent and source route bridges." + REFERENCE + "IEEE 802.1D-1990: Section 6.6.1.1.3" + ::= { dot1dBasePortEntry 5 } + +-- the dot1dStp group + +-- Implementation of the dot1dStp group is optional. It is +-- implemented by those bridges that support the Spanning Tree +-- Protocol. + +dot1dStpProtocolSpecification OBJECT-TYPE + SYNTAX INTEGER { + unknown(1), + decLb100(2), + ieee8021d(3) + } + ACCESS read-only + STATUS mandatory + DESCRIPTION + "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." + + ::= { dot1dStp 1 } + +dot1dStpPriority OBJECT-TYPE + SYNTAX INTEGER (0..65535) + ACCESS read-write + STATUS mandatory + DESCRIPTION + "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." + REFERENCE + "IEEE 802.1D-1990: Section 4.5.3.7" + ::= { dot1dStp 2 } + +dot1dStpTimeSinceTopologyChange OBJECT-TYPE + SYNTAX TimeTicks + ACCESS read-only + STATUS mandatory + DESCRIPTION + "The time (in hundredths of a second) since the + last time a topology change was detected by the + bridge entity." + REFERENCE + "IEEE 802.1D-1990: Section 6.8.1.1.3" + ::= { dot1dStp 3 } + +dot1dStpTopChanges OBJECT-TYPE + SYNTAX Counter + ACCESS read-only + STATUS mandatory + DESCRIPTION + "The total number of topology changes detected by + this bridge since the management entity was last + reset or initialized." + REFERENCE + "IEEE 802.1D-1990: Section 6.8.1.1.3" + ::= { dot1dStp 4 } + +dot1dStpDesignatedRoot OBJECT-TYPE + SYNTAX BridgeId + ACCESS read-only + STATUS mandatory + DESCRIPTION + "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." + REFERENCE + "IEEE 802.1D-1990: Section 4.5.3.1" + ::= { dot1dStp 5 } + +dot1dStpRootCost OBJECT-TYPE + SYNTAX INTEGER + ACCESS read-only + STATUS mandatory + DESCRIPTION + "The cost of the path to the root as seen from + this bridge." + REFERENCE + "IEEE 802.1D-1990: Section 4.5.3.2" + ::= { dot1dStp 6 } + +dot1dStpRootPort OBJECT-TYPE + SYNTAX INTEGER + ACCESS read-only + STATUS mandatory + DESCRIPTION + "The port number of the port which offers the + lowest cost path from this bridge to the root + bridge." + REFERENCE + "IEEE 802.1D-1990: Section 4.5.3.3" + ::= { dot1dStp 7 } + +dot1dStpMaxAge OBJECT-TYPE + SYNTAX Timeout + ACCESS read-only + STATUS mandatory + DESCRIPTION + "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." + REFERENCE + "IEEE 802.1D-1990: Section 4.5.3.4" + ::= { dot1dStp 8 } + +dot1dStpHelloTime OBJECT-TYPE + SYNTAX Timeout + ACCESS read-only + STATUS mandatory + DESCRIPTION + + "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." + REFERENCE + "IEEE 802.1D-1990: Section 4.5.3.5" + ::= { dot1dStp 9 } + +dot1dStpHoldTime OBJECT-TYPE + SYNTAX INTEGER + ACCESS read-only + STATUS mandatory + DESCRIPTION + "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." + REFERENCE + "IEEE 802.1D-1990: Section 4.5.3.14" + ::= { dot1dStp 10 } + +dot1dStpForwardDelay OBJECT-TYPE + SYNTAX Timeout + ACCESS read-only + STATUS mandatory + DESCRIPTION + "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.]" + REFERENCE + "IEEE 802.1D-1990: Section 4.5.3.6" + ::= { dot1dStp 11 } + +dot1dStpBridgeMaxAge OBJECT-TYPE + SYNTAX Timeout (600..4000) + + ACCESS read-write + STATUS mandatory + DESCRIPTION + "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." + 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 } + +-- 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) + + 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 } + +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 + + 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 + + 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 + STATUS mandatory + DESCRIPTION + "Information about a specific unicast MAC address + for which the bridge has some forwarding and/or + filtering information." + INDEX { dot1dTpFdbAddress } + ::= { dot1dTpFdbTable 1 } + +Dot1dTpFdbEntry ::= + SEQUENCE { + dot1dTpFdbAddress + MacAddress, + dot1dTpFdbPort + INTEGER, + dot1dTpFdbStatus + INTEGER + } + +dot1dTpFdbAddress OBJECT-TYPE + SYNTAX MacAddress + ACCESS read-only + STATUS mandatory + DESCRIPTION + "A unicast MAC address for which the bridge has + forwarding and/or filtering information." + REFERENCE + "IEEE 802.1D-1990: Section 3.9.1, 3.9.2" + ::= { dot1dTpFdbEntry 1 } + +dot1dTpFdbPort OBJECT-TYPE + SYNTAX INTEGER + ACCESS read-only + STATUS mandatory + DESCRIPTION + "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)." + ::= { dot1dTpFdbEntry 2 } + +dot1dTpFdbStatus OBJECT-TYPE + SYNTAX INTEGER { + other(1), + invalid(2), + learned(3), + self(4), + mgmt(5) + } + ACCESS read-only + STATUS mandatory + DESCRIPTION + "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." + ::= { dot1dTpFdbEntry 3 } + +-- Port Table for Transparent Bridges + +dot1dTpPortTable OBJECT-TYPE + SYNTAX SEQUENCE OF Dot1dTpPortEntry + ACCESS not-accessible + STATUS mandatory + DESCRIPTION + "A table that contains information about every + port that is associated with this transparent + bridge." + ::= { dot1dTp 4 } + +dot1dTpPortEntry OBJECT-TYPE + SYNTAX Dot1dTpPortEntry + ACCESS not-accessible + STATUS mandatory + DESCRIPTION + "A list of information for each port of a + transparent bridge." + INDEX { dot1dTpPort } + ::= { dot1dTpPortTable 1 } + +Dot1dTpPortEntry ::= + SEQUENCE { + dot1dTpPort + INTEGER, + dot1dTpPortMaxInfo + INTEGER, + dot1dTpPortInFrames + Counter, + dot1dTpPortOutFrames + Counter, + dot1dTpPortInDiscards + Counter + } + +dot1dTpPort OBJECT-TYPE + SYNTAX INTEGER (1..65535) + ACCESS read-only + STATUS mandatory + DESCRIPTION + "The port number of the port for which this entry + contains Transparent bridging management + information." + ::= { dot1dTpPortEntry 1 } + +-- It would be nice if we could use ifMtu as the size of the +-- largest INFO field, but we can't because ifMtu is defined +-- to be the size that the (inter-)network layer can use which +-- can differ from the MAC layer (especially if several layers +-- of encapsulation are used). + +dot1dTpPortMaxInfo OBJECT-TYPE + SYNTAX INTEGER + ACCESS read-only + STATUS mandatory + DESCRIPTION + "The maximum size of the INFO (non-MAC) field that + this port will receive or transmit." + ::= { dot1dTpPortEntry 2 } + +dot1dTpPortInFrames OBJECT-TYPE + SYNTAX Counter + ACCESS read-only + STATUS mandatory + DESCRIPTION + "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." + REFERENCE + "IEEE 802.1D-1990: Section 6.6.1.1.3" + ::= { dot1dTpPortEntry 3 } + +dot1dTpPortOutFrames OBJECT-TYPE + SYNTAX Counter + ACCESS read-only + STATUS mandatory + DESCRIPTION + "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." + REFERENCE + "IEEE 802.1D-1990: Section 6.6.1.1.3" + ::= { dot1dTpPortEntry 4 } + +dot1dTpPortInDiscards OBJECT-TYPE + SYNTAX Counter + ACCESS read-only + STATUS mandatory + DESCRIPTION + "Count of valid frames received which were + discarded (i.e., filtered) by the Forwarding + Process." + REFERENCE + "IEEE 802.1D-1990: Section 6.6.1.1.3" + ::= { dot1dTpPortEntry 5 } +-- The Static (Destination-Address Filtering) Database + +-- Implementation of this group is optional. + +dot1dStaticTable OBJECT-TYPE + SYNTAX SEQUENCE OF Dot1dStaticEntry + ACCESS not-accessible + STATUS mandatory + DESCRIPTION + "A table containing filtering information + configured into the bridge by (local or network) + management specifying the set of ports to which + frames received from specific ports and containing + specific destination addresses are allowed to be + forwarded. The value of zero in this table as the + port number from which frames with a specific + destination address are received, is used to + specify all ports for which there is no specific + entry in this table for that particular + destination address. Entries are valid for + unicast and for group/broadcast addresses." + REFERENCE + "IEEE 802.1D-1990: Section 6.7.2" + ::= { dot1dStatic 1 } + +dot1dStaticEntry OBJECT-TYPE + SYNTAX Dot1dStaticEntry + ACCESS not-accessible + STATUS mandatory + DESCRIPTION + "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." + REFERENCE + "IEEE 802.1D-1990: Section 6.7.2" + INDEX { dot1dStaticAddress, dot1dStaticReceivePort } + ::= { dot1dStaticTable 1 } + +Dot1dStaticEntry ::= + SEQUENCE { + dot1dStaticAddress + MacAddress, + dot1dStaticReceivePort + INTEGER, + dot1dStaticAllowedToGoTo + OCTET STRING, + dot1dStaticStatus + INTEGER + } + +dot1dStaticAddress OBJECT-TYPE + SYNTAX MacAddress + ACCESS read-write + STATUS mandatory + DESCRIPTION + "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." + REFERENCE + "IEEE 802.1D-1990: Section 3.9.1, 3.9.2" + ::= { dot1dStaticEntry 1 } + +dot1dStaticReceivePort OBJECT-TYPE + SYNTAX INTEGER + ACCESS read-write + STATUS mandatory + DESCRIPTION + "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." + ::= { dot1dStaticEntry 2 } + +dot1dStaticAllowedToGoTo OBJECT-TYPE + SYNTAX OCTET STRING + ACCESS read-write + STATUS mandatory + DESCRIPTION + "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." + ::= { dot1dStaticEntry 3 } + +dot1dStaticStatus OBJECT-TYPE + SYNTAX INTEGER { + other(1), + invalid(2), + permanent(3), + deleteOnReset(4), + deleteOnTimeout(5) + } + ACCESS read-write + STATUS mandatory + DESCRIPTION + "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." + + ::= { dot1dStaticEntry 4 } + +-- Traps for use by Bridges + +-- Traps for the Spanning Tree Protocol + +newRoot TRAP-TYPE + ENTERPRISE dot1dBridge + DESCRIPTION + "The newRoot trap indicates that the sending agent + has become the new root of the Spanning Tree; the + trap is sent by a bridge soon after its election + as the new root, e.g., upon expiration of the + Topology Change Timer immediately subsequent to + its election. Implementation of this trap is + optional." + ::= 1 + +topologyChange TRAP-TYPE + ENTERPRISE dot1dBridge + DESCRIPTION + "A topologyChange trap is sent by a bridge when + any of its configured ports transitions from the + Learning state to the Forwarding state, or from + the Forwarding state to the Blocking state. The + trap is not sent if a newRoot trap is sent for the + same transition. Implementation of this trap is + optional." + ::= 2 + +END |