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+SOURCE-ROUTING-MIB DEFINITIONS ::= BEGIN
+
+IMPORTS
+ Counter, Gauge
+ FROM RFC1155-SMI
+ dot1dBridge, dot1dSr
+ FROM BRIDGE-MIB
+ OBJECT-TYPE
+ FROM RFC-1212;
+
+-- groups in the SR MIB
+
+-- dot1dSr is imported from the Bridge MIB
+
+dot1dPortPair OBJECT IDENTIFIER ::= { dot1dBridge 10 }
+
+-- the dot1dSr group
+
+-- this group is implemented by those bridges that
+-- support the source route bridging mode, including Source
+-- Routing and SRT bridges.
+
+dot1dSrPortTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF Dot1dSrPortEntry
+ ACCESS not-accessible
+ STATUS mandatory
+ DESCRIPTION
+ "A table that contains information about every
+ port that is associated with this source route
+ bridge."
+ ::= { dot1dSr 1 }
+
+dot1dSrPortEntry OBJECT-TYPE
+ SYNTAX Dot1dSrPortEntry
+ ACCESS not-accessible
+ STATUS mandatory
+ DESCRIPTION
+ "A list of information for each port of a source
+ route bridge."
+ INDEX { dot1dSrPort }
+
+ ::= { dot1dSrPortTable 1 }
+
+Dot1dSrPortEntry ::=
+ SEQUENCE {
+ dot1dSrPort
+ INTEGER,
+ dot1dSrPortHopCount
+ INTEGER,
+ dot1dSrPortLocalSegment
+ INTEGER,
+ dot1dSrPortBridgeNum
+ INTEGER,
+ dot1dSrPortTargetSegment
+ INTEGER,
+ dot1dSrPortLargestFrame
+ INTEGER,
+ dot1dSrPortSTESpanMode
+ INTEGER,
+ dot1dSrPortSpecInFrames
+ Counter,
+ dot1dSrPortSpecOutFrames
+ Counter,
+ dot1dSrPortApeInFrames
+ Counter,
+ dot1dSrPortApeOutFrames
+ Counter,
+ dot1dSrPortSteInFrames
+ Counter,
+ dot1dSrPortSteOutFrames
+ Counter,
+ dot1dSrPortSegmentMismatchDiscards
+ Counter,
+ dot1dSrPortDuplicateSegmentDiscards
+ Counter,
+ dot1dSrPortHopCountExceededDiscards
+ Counter,
+ dot1dSrPortDupLanIdOrTreeErrors
+ Counter,
+ dot1dSrPortLanIdMismatches
+ Counter
+ }
+
+dot1dSrPort OBJECT-TYPE
+ SYNTAX INTEGER (1..65535)
+ ACCESS read-only
+ STATUS mandatory
+ DESCRIPTION
+ "The port number of the port for which this entry
+
+ contains Source Route management information."
+ ::= { dot1dSrPortEntry 1 }
+
+dot1dSrPortHopCount OBJECT-TYPE
+ SYNTAX INTEGER
+ ACCESS read-write
+ STATUS mandatory
+ DESCRIPTION
+ "The maximum number of routing descriptors allowed
+ in an All Paths or Spanning Tree Explorer frames."
+ ::= { dot1dSrPortEntry 2 }
+
+dot1dSrPortLocalSegment OBJECT-TYPE
+ SYNTAX INTEGER
+ ACCESS read-write
+ STATUS mandatory
+ DESCRIPTION
+ "The segment number that uniquely identifies the
+ segment to which this port is connected. Current
+ source routing protocols limit this value to the
+ range: 0 through 4095. (The value 0 is used by
+ some management applications for special test
+ cases.) A value of 65535 signifies that no segment
+ number is assigned to this port."
+ ::= { dot1dSrPortEntry 3 }
+
+dot1dSrPortBridgeNum OBJECT-TYPE
+ SYNTAX INTEGER
+ ACCESS read-write
+ STATUS mandatory
+ DESCRIPTION
+ "A bridge number uniquely identifies a bridge when
+ more than one bridge is used to span the same two
+ segments. Current source routing protocols limit
+ this value to the range: 0 through 15. A value of
+ 65535 signifies that no bridge number is assigned
+ to this bridge."
+ ::= { dot1dSrPortEntry 4 }
+
+dot1dSrPortTargetSegment OBJECT-TYPE
+ SYNTAX INTEGER
+ ACCESS read-write
+ STATUS mandatory
+ DESCRIPTION
+ "The segment number that corresponds to the target
+ segment this port is considered to be connected to
+ by the bridge. Current source routing protocols
+ limit this value to the range: 0 through 4095.
+
+ (The value 0 is used by some management
+ applications for special test cases.) A value of
+ 65535 signifies that no target segment is assigned
+ to this port."
+ ::= { dot1dSrPortEntry 5 }
+
+-- It would be nice if we could use ifMtu as the size of the
+-- largest frame, 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).
+
+dot1dSrPortLargestFrame OBJECT-TYPE
+ SYNTAX INTEGER
+ ACCESS read-write
+ STATUS mandatory
+ DESCRIPTION
+ "The maximum size of the INFO field (LLC and
+ above) that this port can send/receive. It does
+ not include any MAC level (framing) octets. The
+ value of this object is used by this bridge to
+ determine whether a modification of the
+ LargestFrame (LF, see [14]) field of the Routing
+ Control field of the Routing Information Field is
+ necessary.
+
+ 64 valid values are defined by the IEEE 802.5M SRT
+ Addendum: 516, 635, 754, 873, 993, 1112, 1231,
+ 1350, 1470, 1542, 1615, 1688, 1761, 1833, 1906,
+ 1979, 2052, 2345, 2638, 2932, 3225, 3518, 3812,
+ 4105, 4399, 4865, 5331, 5798, 6264, 6730, 7197,
+ 7663, 8130, 8539, 8949, 9358, 9768, 10178, 10587,
+ 10997, 11407, 12199, 12992, 13785, 14578, 15370,
+ 16163, 16956, 17749, 20730, 23711, 26693, 29674,
+ 32655, 35637, 38618, 41600, 44591, 47583, 50575,
+ 53567, 56559, 59551, and 65535.
+
+ An illegal value will not be accepted by the
+ bridge."
+ ::= { dot1dSrPortEntry 6 }
+
+dot1dSrPortSTESpanMode OBJECT-TYPE
+ SYNTAX INTEGER {
+ auto-span(1),
+ disabled(2),
+ forced(3)
+ }
+ ACCESS read-write
+ STATUS mandatory
+ DESCRIPTION
+ "Determines how this port behaves when presented
+ with a Spanning Tree Explorer frame. The value
+ 'disabled(2)' indicates that the port will not
+ accept or send Spanning Tree Explorer packets; any
+ STE packets received will be silently discarded.
+ The value 'forced(3)' indicates the port will
+ always accept and propagate Spanning Tree Explorer
+ frames. This allows a manually configured
+ Spanning Tree for this class of packet to be
+ configured. Note that unlike transparent
+ bridging, this is not catastrophic to the network
+ if there are loops. The value 'auto-span(1)' can
+ only be returned by a bridge that both implements
+ the Spanning Tree Protocol and has use of the
+ protocol enabled on this port. The behavior of the
+ port for Spanning Tree Explorer frames is
+ determined by the state of dot1dStpPortState. If
+ the port is in the 'forwarding' state, the frame
+ will be accepted or propagated. Otherwise, it
+ will be silently discarded."
+ ::= { dot1dSrPortEntry 7 }
+
+dot1dSrPortSpecInFrames OBJECT-TYPE
+ SYNTAX Counter
+ ACCESS read-only
+ STATUS mandatory
+ DESCRIPTION
+ "The number of Specifically Routed frames, also
+ referred to as Source Routed Frames, that have
+ been received from this port's segment."
+ ::= { dot1dSrPortEntry 8 }
+
+dot1dSrPortSpecOutFrames OBJECT-TYPE
+ SYNTAX Counter
+ ACCESS read-only
+ STATUS mandatory
+ DESCRIPTION
+ "The number of Specifically Routed frames, also
+ referred to as Source Routed Frames, that this
+ port has transmitted on its segment."
+ ::= { dot1dSrPortEntry 9 }
+
+dot1dSrPortApeInFrames OBJECT-TYPE
+ SYNTAX Counter
+ ACCESS read-only
+ STATUS mandatory
+ DESCRIPTION
+ "The number of All Paths Explorer frames, also
+ referred to as All Routes Explorer frames, that
+ have been received by this port from its segment."
+ ::= { dot1dSrPortEntry 10 }
+
+dot1dSrPortApeOutFrames OBJECT-TYPE
+ SYNTAX Counter
+ ACCESS read-only
+ STATUS mandatory
+ DESCRIPTION
+ "The number of all Paths Explorer Frames, also
+ referred to as All Routes Explorer frames, that
+ have been transmitted by this port on its
+ segment."
+ ::= { dot1dSrPortEntry 11 }
+
+dot1dSrPortSteInFrames OBJECT-TYPE
+ SYNTAX Counter
+ ACCESS read-only
+ STATUS mandatory
+ DESCRIPTION
+ "The number of spanning tree explorer frames that
+ have been received by this port from its segment."
+ ::= { dot1dSrPortEntry 12 }
+
+dot1dSrPortSteOutFrames OBJECT-TYPE
+ SYNTAX Counter
+ ACCESS read-only
+ STATUS mandatory
+ DESCRIPTION
+ "The number of spanning tree explorer frames that
+ have been transmitted by this port on its
+ segment."
+ ::= { dot1dSrPortEntry 13 }
+
+dot1dSrPortSegmentMismatchDiscards OBJECT-TYPE
+ SYNTAX Counter
+ ACCESS read-only
+ STATUS mandatory
+ DESCRIPTION
+ "The number of explorer frames that have been
+ discarded by this port because the routing
+ descriptor field contained an invalid adjacent
+ segment value."
+ ::= { dot1dSrPortEntry 14 }
+
+dot1dSrPortDuplicateSegmentDiscards OBJECT-TYPE
+ SYNTAX Counter
+ ACCESS read-only
+ STATUS mandatory
+ DESCRIPTION
+ "The number of frames that have been discarded by
+ this port because the routing descriptor field
+ contained a duplicate segment identifier."
+ ::= { dot1dSrPortEntry 15 }
+
+dot1dSrPortHopCountExceededDiscards OBJECT-TYPE
+ SYNTAX Counter
+ ACCESS read-only
+ STATUS mandatory
+ DESCRIPTION
+ "The number of explorer frames that have been
+ discarded by this port because the Routing
+ Information Field has exceeded the maximum route
+ descriptor length."
+ ::= { dot1dSrPortEntry 16 }
+
+dot1dSrPortDupLanIdOrTreeErrors OBJECT-TYPE
+ SYNTAX Counter
+ ACCESS read-only
+ STATUS mandatory
+ DESCRIPTION
+ "The number of duplicate LAN IDs or Tree errors.
+ This helps in detection of problems in networks
+ containing older IBM Source Routing Bridges."
+ ::= { dot1dSrPortEntry 17 }
+
+dot1dSrPortLanIdMismatches OBJECT-TYPE
+ SYNTAX Counter
+ ACCESS read-only
+ STATUS mandatory
+ DESCRIPTION
+ "The number of ARE and STE frames that were
+ discarded because the last LAN ID in the routing
+ information field did not equal the LAN-in ID.
+ This error can occur in implementations which do
+ only a LAN-in ID and Bridge Number check instead
+ of a LAN-in ID, Bridge Number, and LAN-out ID
+ check before they forward broadcast frames."
+ ::= { dot1dSrPortEntry 18 }
+
+-- scalar object in dot1dSr
+
+dot1dSrBridgeLfMode OBJECT-TYPE
+ SYNTAX INTEGER {
+ mode3(1),
+ mode6(2)
+ }
+ ACCESS read-write
+ STATUS mandatory
+ DESCRIPTION
+ "Indicates whether the bridge operates using older
+ 3 bit length negotiation fields or the newer 6 bit
+ length field in its RIF."
+ ::= { dot1dSr 2 }
+
+-- The Port-Pair Database
+
+-- Implementation of this group is optional.
+
+-- This group is implemented by those bridges that support
+-- the direct multiport model of the source route bridging
+-- mode as defined in the IEEE 802.5 SRT Addendum to
+-- 802.1d.
+
+-- Bridges implementing this group may report 65535 for
+-- dot1dSrPortBridgeNumber and dot1dSrPortTargetSegment,
+-- indicating that those objects are not applicable.
+
+dot1dPortPairTableSize OBJECT-TYPE
+ SYNTAX Gauge
+ ACCESS read-only
+ STATUS mandatory
+ DESCRIPTION
+ "The total number of entries in the Bridge Port
+ Pair Database."
+ ::= { dot1dPortPair 1 }
+
+-- the Bridge Port-Pair table
+
+-- this table represents port pairs within a bridge forming
+-- a unique bridge path, as defined in the IEEE 802.5M SRT
+-- Addendum.
+
+dot1dPortPairTable OBJECT-TYPE
+ SYNTAX SEQUENCE OF Dot1dPortPairEntry
+ ACCESS not-accessible
+ STATUS mandatory
+ DESCRIPTION
+ "A table that contains information about every
+
+ port pair database entity associated with this
+ source routing bridge."
+ ::= { dot1dPortPair 2 }
+
+dot1dPortPairEntry OBJECT-TYPE
+ SYNTAX Dot1dPortPairEntry
+ ACCESS not-accessible
+ STATUS mandatory
+ DESCRIPTION
+ "A list of information for each port pair entity
+ of a bridge."
+ INDEX { dot1dPortPairLowPort, dot1dPortPairHighPort }
+ ::= { dot1dPortPairTable 1 }
+
+Dot1dPortPairEntry ::=
+ SEQUENCE {
+ dot1dPortPairLowPort
+ INTEGER,
+ dot1dPortPairHighPort
+ INTEGER,
+ dot1dPortPairBridgeNum
+ INTEGER,
+ dot1dPortPairBridgeState
+ INTEGER
+ }
+
+dot1dPortPairLowPort OBJECT-TYPE
+ SYNTAX INTEGER (1..65535)
+ ACCESS read-write
+ STATUS mandatory
+ DESCRIPTION
+ "The port number of the lower numbered port for
+ which this entry contains port pair database
+ information."
+ ::= { dot1dPortPairEntry 1 }
+
+dot1dPortPairHighPort OBJECT-TYPE
+ SYNTAX INTEGER (1..65535)
+ ACCESS read-write
+ STATUS mandatory
+ DESCRIPTION
+ "The port number of the higher numbered port for
+ which this entry contains port pair database
+ information."
+ ::= { dot1dPortPairEntry 2 }
+
+dot1dPortPairBridgeNum OBJECT-TYPE
+ SYNTAX INTEGER
+
+ ACCESS read-write
+ STATUS mandatory
+ DESCRIPTION
+ "A bridge number that uniquely identifies the path
+ provided by this source routing bridge between the
+ segments connected to dot1dPortPairLowPort and
+ dot1dPortPairHighPort. The purpose of bridge
+ number is to disambiguate between multiple paths
+ connecting the same two LANs."
+ ::= { dot1dPortPairEntry 3 }
+
+dot1dPortPairBridgeState OBJECT-TYPE
+ SYNTAX INTEGER {
+ enabled(1),
+ disabled(2),
+ invalid(3)
+ }
+ ACCESS read-write
+ STATUS mandatory
+ DESCRIPTION
+ "The state of dot1dPortPairBridgeNum. Writing
+ 'invalid(3)' to this object removes the
+ corresponding entry."
+ ::= { dot1dPortPairEntry 4 }
+
+END