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RFC 1559

 
 
 

DECnet Phase IV MIB Extensions

Part 2 of 3, p. 4 to 35
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5.  Definitions

        DECNET-PHIV-MIB DEFINITIONS ::= BEGIN

        IMPORTS
           Gauge
              FROM RFC1155-SMI
            OBJECT-TYPE
               FROM RFC-1212
            mib-2, DisplayString
              FROM RFC1213-MIB;

   -- DECNet Phase-IV MIB

        phiv      OBJECT IDENTIFIER ::= { mib-2 18 }

   -- textual conventions

   PhivAddr ::= OCTET STRING (SIZE (2))
   -- This data type is intended as a short word representation of
   -- standard DECnet Phase IV addresses. DECnet addresses are
   -- hierarchically structured numbers assigned to a particular
   -- DECnet node. The address is structured so that the area
   -- number is contained in the most significant 6 bits of the
   -- first octet.  The next 2 bits of the first octet contain
   -- the first two bits of the host address.  The remainder of
   -- the host address is contained in the second octet.

   PhivCounter ::= INTEGER
   -- This data type has been created for DECnet counters.  These
   -- counters latch at their maximum specified value until either
   -- the system is restarted, or they are reset to zero by the user

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   -- or management software.

   InterfaceIndex ::= INTEGER
   --  The range of ifIndex, i.e., (1..2147483647)


   -- groups in the decnetiv mib

         phivSystem             OBJECT IDENTIFIER ::= { phiv 1 }
         phivManagement         OBJECT IDENTIFIER ::= { phiv 2 }
         session                OBJECT IDENTIFIER ::= { phiv 3 }
         end                    OBJECT IDENTIFIER ::= { phiv 4 }
         routing                OBJECT IDENTIFIER ::= { phiv 5 }
         circuit                OBJECT IDENTIFIER ::= { phiv 6 }
         ddcmp                  OBJECT IDENTIFIER ::= { phiv 7 }
         control                OBJECT IDENTIFIER ::= { phiv 8 }
         ethernet               OBJECT IDENTIFIER ::= { phiv 9 }
         counters               OBJECT IDENTIFIER ::= { phiv 10 }
         adjacency              OBJECT IDENTIFIER ::= { phiv 11 }
         line                   OBJECT IDENTIFIER ::= { phiv 12 }
         nonBroadcastLine       OBJECT IDENTIFIER ::= { phiv 14 }
         area                   OBJECT IDENTIFIER ::= { phiv 15 }

   -- System Group

   -- The implementation of the System Group is mandatory for
   -- all systems.

   phivSystemState OBJECT-TYPE
        SYNTAX INTEGER {
            on (1),
            off (2),
            shut (3),
            restricted (4)
        }
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This represents the operational state of the executor
            node.
            The possible states are:
            ON          Allows logical links.
            OFF         Allows no new links, terminates existing
                        links, and stops routing traffic through.
            SHUT        Allows no new logical links, does not
                        destroy existing logical links, and goes
                        to the OFF state when all logical links are
                        gone.

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            RESTRICTED  Allows no new incoming logical links from
                        other nodes.

            NOTE: These values are incremented by one compared to
            the standard DECnet values in order to maintain
            compliance with RFC 1155)."
        ::= { phivSystem 1 }

   phivExecIdent OBJECT-TYPE
        SYNTAX DisplayString (SIZE (0..32))
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This is a text string that describes the executor node
            (for example, 'Research Lab').  The string is up to 32
            characters of any type."
        ::= { phivSystem 2 }

   -- Network Management Group

   -- The implementation of the Network Management Group is
   -- mandatory for all systems which contain a DECnet-style
   -- management version.


   phivMgmtMgmtVers OBJECT-TYPE
        SYNTAX DisplayString (SIZE (0..255))
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "This is the read-only Network Management Version,
            consisting of the version number, the Engineering
            Change Order (ECO) number, and the user ECO number
            (for example, 3.0.0). This parameter applies to the
            executor node only."
        ::= { phivManagement 1 }

   -- Session Layer Group

   -- The implementation of the Session Layer Group is optional.
   -- A system can be said to implement this group if and only if
   -- all objects in this group are implemented.

   phivSessionSystemName OBJECT-TYPE
        SYNTAX DisplayString (SIZE (0..6))
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION

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            "Name to be associated with the node identification.
            Only one name can be assigned to a node address or a
            circuit identification. No name should be used more than
            once in a DECnet network. Node-name is one to six upper
            case alphanumeric characters with at least one alpha
            character. A length of 0 indicates no name."
        ::= { session 1 }

   phivSessionInTimer OBJECT-TYPE
        SYNTAX INTEGER (0..65535)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value represents the maximum duration between the
            time a connect is received for a process at the
            executor node and the time that process accepts or
            rejects it. If the connect is not accepted or rejected
            by the user within the number of seconds specified,
            Session Control rejects it for the user.  A value of 0
            indicates no timer is running."
        ::= { session 2 }

   phivSessionOutTimer OBJECT-TYPE
        SYNTAX INTEGER (0..65535)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value represents the duration between the time the
            executor requests a connect and the time that connect is
            acknowledged by the destination node. If the connect is
            not acknowledged within the number of seconds
            specified, Session Control returns an error.  A value of 0
            indicates no timer is running."
        ::= { session 3 }

   -- End Communication Layer Group

   -- The implementation of the End Communication Layer Group is optional.
   -- A system can be said to implement this group if and only if
   -- all objects in this group are implemented.

   -- Remote State Table

   phivEndRemoteTable OBJECT-TYPE
        SYNTAX SEQUENCE OF PhivEndRemoteEntry
        ACCESS not-accessible
        STATUS mandatory
        DESCRIPTION

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            "Information about the state of sessions between the
            node under study and the nodes found in the table."
        ::= { end 1 }

   phivEndRemoteEntry OBJECT-TYPE
        SYNTAX PhivEndRemoteEntry
        ACCESS not-accessible
        STATUS mandatory
        DESCRIPTION
            "Information about a particular remote node as seen
            from the end communication layer."
        INDEX  { phivEndRemoteHostNodeID }
        ::= { phivEndRemoteTable 1 }

   PhivEndRemoteEntry ::=
        SEQUENCE {
            phivEndRemoteHostNodeID
                PhivAddr,
            phivEndRemoteState
                INTEGER,
            phivEndCircuitIndex
                INTEGER,
            phivEndActiveLinks
                INTEGER,
            phivEndDelay
                INTEGER
        }

   phivEndRemoteHostNodeID OBJECT-TYPE
        SYNTAX PhivAddr -- OCTET STRING (SIZE (2))
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "This value is the address of the remote node to be
            evaluated."
        ::= { phivEndRemoteEntry 1 }

   phivEndRemoteState OBJECT-TYPE
        SYNTAX INTEGER {
            on (1),
            off (2),
            shut (3),
            restricted (4)
        }
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This represents the operational state of the remote node

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            being evaluated.
            The possible states are:

            ON          Allows logical links.
            OFF         Allows no new links, terminates existing
                        links, and stops routing traffic through.
            SHUT        Allows no new logical links, does not
                        destroy existing logical links, and goes
                        to the OFF state when all logical links are
                        gone.
            RESTRICTED  Allows no new incoming logical links from
                        other nodes.

            NOTE: These values are incremented by one compared to
            the standard DECnet values in order to maintain
            compliance with RFC 1155."
        ::= { phivEndRemoteEntry 2 }

   phivEndCircuitIndex OBJECT-TYPE
        SYNTAX INTEGER (1..65535)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "A unique index value for each known circuit used to
            communicate with the remote node.  This is the same
            value as phivCircuitIndex."
        ::= { phivEndRemoteEntry 3 }

   phivEndActiveLinks OBJECT-TYPE
        SYNTAX INTEGER (0..65535)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "This read-only parameter represents the number of active
            logical links from the executor to the destination node."
        ::= { phivEndRemoteEntry 4 }

   phivEndDelay OBJECT-TYPE
        SYNTAX INTEGER (0..65535)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "This read-only parameter is the average round trip
            delay in seconds to the destination node. This
            parameter is kept on a remote node basis."
        ::= { phivEndRemoteEntry 5 }

   -- End System Counter Table

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   phivEndCountTable OBJECT-TYPE
        SYNTAX SEQUENCE OF PhivEndCountEntry
        ACCESS not-accessible
        STATUS mandatory
        DESCRIPTION
            "Information about the counters associated with each end
            system that is known to the entity. These counters
            reflect totals from the perspective of the executor
            node."
        ::= { end 2 }

   phivEndCountEntry OBJECT-TYPE
        SYNTAX PhivEndCountEntry
        ACCESS not-accessible
        STATUS mandatory
        DESCRIPTION
            "Information about a particular session between two end
            systems."
        INDEX  { phivEndCountHostNodeID }
        ::= { phivEndCountTable 1 }

   PhivEndCountEntry ::=
        SEQUENCE {
            phivEndCountHostNodeID
                PhivAddr,
            phivEndCountSecsLastZeroed
                PhivCounter,
            phivEndCountUsrBytesRec
                PhivCounter,
            phivEndCountUsrBytesSent
                PhivCounter,
            phivEndUCountUsrMessRec
                PhivCounter,
            phivEndCountUsrMessSent
                PhivCounter,
            phivEndCountTotalBytesRec
                PhivCounter,
            phivEndCountTotalBytesSent
                PhivCounter,
            phivEndCountTotalMessRec
                PhivCounter,
            phivEndCountTotalMessSent
                PhivCounter,
            phivEndCountConnectsRecd
                PhivCounter,
            phivEndCountConnectsSent
                PhivCounter,

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            phivEndCountReponseTimeouts
                PhivCounter,
            phivEndCountRecdConnectResErrs
                PhivCounter
        }

   phivEndCountHostNodeID OBJECT-TYPE
        SYNTAX PhivAddr -- OCTET STRING (SIZE (2))
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "This value is the address of the remote node to be
            evaluated."
        ::= { phivEndCountEntry 1 }

   phivEndCountSecsLastZeroed OBJECT-TYPE
        SYNTAX PhivCounter (0..65535)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "This value is the number of seconds that have elapsed
            since the counters for the node in this table row were
            last set to zero. This counter is located in the
            network management layer, but is returned with the
            end system information which follows."
        ::= { phivEndCountEntry 2 }

   phivEndCountUsrBytesRec OBJECT-TYPE
        SYNTAX PhivCounter (0..2147483647)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of user bytes received from the target host."
        ::= { phivEndCountEntry 3 }

   phivEndCountUsrBytesSent OBJECT-TYPE
        SYNTAX PhivCounter (0..2147483647)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of user bytes sent to the target host."
        ::= { phivEndCountEntry 4 }

   phivEndUCountUsrMessRec OBJECT-TYPE
        SYNTAX PhivCounter (0..2147483647)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION

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            "Number of user messages received from the target host."
        ::= { phivEndCountEntry 5 }

   phivEndCountUsrMessSent OBJECT-TYPE
        SYNTAX PhivCounter (0..2147483647)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of user messages sent to the target host."
        ::= { phivEndCountEntry 6 }

   phivEndCountTotalBytesRec OBJECT-TYPE
        SYNTAX PhivCounter (0..2147483647)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of bytes received from the target host."
        ::= { phivEndCountEntry 7 }

   phivEndCountTotalBytesSent OBJECT-TYPE
        SYNTAX PhivCounter (0..2147483647)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of bytes sent to the target host."
        ::= { phivEndCountEntry 8 }

   phivEndCountTotalMessRec OBJECT-TYPE
        SYNTAX PhivCounter (0..2147483647)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of messages received from the target host."
        ::= { phivEndCountEntry 9 }

   phivEndCountTotalMessSent OBJECT-TYPE
        SYNTAX PhivCounter (0..2147483647)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of messages sent to the target host."
        ::= { phivEndCountEntry 10 }

   phivEndCountConnectsRecd OBJECT-TYPE
        SYNTAX PhivCounter (0..65535)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION

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            "Number of connects received from the target host."
        ::= { phivEndCountEntry 11 }

   phivEndCountConnectsSent OBJECT-TYPE
        SYNTAX PhivCounter (0..65535)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of connects sent to the target host."
        ::= {phivEndCountEntry 12 }

   phivEndCountReponseTimeouts OBJECT-TYPE
        SYNTAX PhivCounter (0..65535)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of response timeouts."
        ::= { phivEndCountEntry 13 }

   phivEndCountRecdConnectResErrs OBJECT-TYPE
        SYNTAX PhivCounter (0..65535)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of received connect resource errors."
        ::= {phivEndCountEntry 14 }

   -- additional End System objects

   phivEndMaxLinks OBJECT-TYPE
        SYNTAX INTEGER (1..65535)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value represents the maximum active logical
            link count allowed for the executor."
        ::= { end 3 }

   phivEndNSPVers OBJECT-TYPE
        SYNTAX DisplayString (SIZE (0..255))
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "This read-only parameter represents the version number
            of the node End Communication S/W. The format is
            version number, ECO, and user ECO, e.g., 4.1.0"
        ::= { end 4 }

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   phivEndRetransmitFactor OBJECT-TYPE
        SYNTAX INTEGER (1..65535)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value represents the maximum number of times the
            source End Communication at the executor node will
            restart the retransmission timer when it expires. If
            the number is exceeded, Session Control disconnects the
            logical link for the user."
        ::= { end 5 }

   phivEndDelayFact OBJECT-TYPE
        SYNTAX INTEGER (1..255)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This is the number by which to multiply one sixteenth
            of the estimated round trip delay to a node to set the
            retransmission timer to that node."
        ::= { end 6 }

   phivEndDelayWeight OBJECT-TYPE
        SYNTAX INTEGER (1..255)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This number represents the weight to apply to a
            current round trip delay estimate to a remote node
            when updating the estimated round trip delay to a node.
            On some systems the number must be 1 less than a power
            of 2 for computational efficiency."
        ::= { end 7 }

   phivEndInactivityTimer OBJECT-TYPE
        SYNTAX INTEGER (1..65535)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value represents the maximum duration of inactivity
            (no data in either direction) on a logical link before
            the node checks to see if the logical link still works.
            If no activity occurs within the minimum number of
            seconds, End Communication generates artificial
            traffic to test the link (End Communication
            specification)."
        ::= { end 8 }

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   phivEndCountZeroCount OBJECT-TYPE
        SYNTAX INTEGER {
            other (1),
            reset (2)
        }
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "When this value is set to 2, all of the counters in
            the End System Counter Table are set to zero."
        ::= { end 9 }

   phivEndMaxLinksActive OBJECT-TYPE
        SYNTAX PhivCounter (0..65535)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value represents the high water mark for the
            number of links that were active at any one time."
        ::= { end 10 }

   -- Routing Layer Group

   -- The implementation of the Routing Layer Group is mandatory for
   -- all systems that implement level 1 routing layer
   -- communications.

   phivRouteBroadcastRouteTimer OBJECT-TYPE
        SYNTAX INTEGER (1..65535)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value determines the maximum time in seconds
             allowed between Routing updates on Ethernet
             circuits. When this timer expired before a routing
             update occurs, a routing update is forced.  With a
             standard calculation, Routing also uses this timer
             to enforce a minimum delay between routing updates."
        ::= { routing 1 }

   phivRouteBuffSize OBJECT-TYPE
        SYNTAX INTEGER (1..65535)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This parameter value determines the maximum size of
             a Routing message. It therefore determines the maximum
             size message that can be forwarded.  This size includes

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             protocol overhead down to and including the End
             Communication layer, plus a constant value of 6. (This
             value of 6 is included to provide compatibility with
             the parameter definition in Phase III, which included
             the Routing overhead.) It does not include Routing or
             Data link overhead (except for the constant value of
             6). There is one buffer size for all circuits.

             NOTE: The BUFFER SIZE defines the maximum size messages
             that the Routing layer can forward. The SEGMENT BUFFER
             SIZE (defined below) defines the maximum size messages
             that the End Communication layer can transmit or
             receive. The SEGMENT BUFFER SIZE is always less than
             or equal to the BUFFER SIZE. Normally the two
             parameters will be equal. They may be different to
             allow the network manager to alter buffer sizes
             on all nodes without interruption of service. They both
             include an extra 6 bytes for compatibility with Phase
             III."
        ::= { routing 2 }

   phivRouteRoutingVers OBJECT-TYPE
        SYNTAX DisplayString (SIZE (0..255))
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "This read-only parameter identifies the executor node's
            Routing version number.  The format is version number,
            ECO, and user ECO, e.g., 4.1.0"
        ::= { routing 3 }

   phivRouteMaxAddr OBJECT-TYPE
        SYNTAX INTEGER (1..1023)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value represents the largest node number and,
            therefore, number of nodes that can be known about
            by the executor node's home area."
        ::= { routing 4 }

   phivRouteMaxBdcastNonRouters OBJECT-TYPE
        SYNTAX INTEGER (0..65535)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value represents the maximum total number of
            nonrouters the executor node can have on its Ethernet

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            circuits."
        ::= { routing 5 }

   phivRouteMaxBdcastRouters OBJECT-TYPE
        SYNTAX INTEGER (0..65535)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value represents the maximum total number of
            routers the executor node can have on its Ethernet
            circuits."
        ::= { routing 6 }

   phivRouteMaxBuffs OBJECT-TYPE
        SYNTAX INTEGER (1..65535)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value represents the maximum number of transmit
            buffers that Routing may use for all circuits."
        ::= { routing 7 }

   phivRouteMaxCircuits OBJECT-TYPE
        SYNTAX INTEGER (1..65535)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value represents the maximum number of Routing
            circuits that the executor node can know about."
        ::= { routing 8 }

   phivRouteMaxCost OBJECT-TYPE
        SYNTAX INTEGER (1..1022)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value represents the maximum total path cost
            allowed from the executor to any node within an area.
            The path cost is the sum of the circuit costs along
            a path between two nodes. This parameter defines the
            point where the executor node's Routing routing
            decision algorithm declares another node unreachable
            because the cost of the least costly path to the
            other node is excessive. For correct operation, this
            parameter must not be less than the maximum path cost
            of the network."
        ::= { routing 9 }

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   phivRouteMaxHops OBJECT-TYPE
        SYNTAX INTEGER (1..30)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value represents the maximum number of routing hops
            allowable from the executor to any other reachable node
            within an area. (A hop is the logical distance over a
            circuit between two adjacent nodes.) This parameter
            defines the point where the executor node's Routing
            routing decision algorithm declares another node
            unreachable because the length of the shortest path
            between the two nodes is too long. For correct
            operation, this parameter must not be less than the
            network diameter. (The network diameter is the
            reachability distance between the two nodes of the
            network having the greatest reachability distance,
            where reachability distance is the length the shortest
            path between a given pair of nodes.)"
        ::= { routing 10 }

   phivRouteMaxVisits OBJECT-TYPE
        SYNTAX INTEGER (1..63)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value represents the maximum number of nodes a
            message coming into the executor node can have visited.
            If the message is not for this node and the MAXIMUM
            VISITS number is exceeded, the message is discarded.
            The MAXIMUM VISITS parameter defines the point where
            the packet lifetime control algorithm discards
            a packet that has traversed too many nodes. For correct
            operation, this parameter must not be less than the
            maximum path length of the network. (The maximum path
            length is the routing distance between the two nodes of
            the network having the greatest routing distance, where
            routing distance is the length of the least costly
            path between a given pair of nodes.)"
        ::= { routing 11 }

   phivRouteRoutingTimer OBJECT-TYPE
        SYNTAX INTEGER (1..65535)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value determines the maximum time in seconds
            allowed between Routing updates on non-Ethernet

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            circuits. When this timer expires before a routing
            update occurs, a routing update is forced."
        ::= { routing 12 }

   phivRouteSegBuffSize OBJECT-TYPE
        SYNTAX INTEGER (1..65535)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This parameter value determines the maximum size of an
            end-to-end segment. The size is a decimal integer in
            the range 1-65535. This size is in bytes. This size
            includes protocol overhead down to and including the
            End Communication layer, plus a constant value of 6.
            (This value of 6 is included to provide compatibility
            with the BUFFER SIZE parameter definition.) It does not
            include Routing or Data link overhead (except for the
            constant value of 6)."
        ::= { routing 13 }

   phivRouteType OBJECT-TYPE
        SYNTAX INTEGER {
            routing-III (1),
            nonrouting-III (2),
            area (3),
            routing-IV (4),
            nonrouting-IV (5)
        }
        ACCESS read-only
        STATUS obsolete
        DESCRIPTION
            "This parameter indicates the type of the executor
            node. The node-type is one of the following:

            routing-III
            nonrouting-III
            routing-IV
            ronrouting-IV
            area

            A routing node has full routing capability. A
            nonrouting node contains a subset of the Routing
            routing modules. The III and IV indicate the DNA
            phase of the node. Nonrouting nodes can deliver
            and receive packets to and from any node, but cannot
            route packets from other nodes through to other nodes.
            An area node routes between areas. Refer to the Routing
            specification for details.

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            For adjacent nodes, this is a read-only parameter that
            indicates the type of the reachable adjacent node.
            NOTE: The ROUTING-III and NONROUTING-III values are
            incremented by one compared to the standard DECnet
            values in order to maintain compliance with RFC 1155)"
        ::= { routing 14 }

   phivRouteCountAgedPktLoss OBJECT-TYPE
        SYNTAX PhivCounter (0..127)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of aged packet losses."
        ::= { routing 15 }

   phivRouteCountNodeUnrPktLoss OBJECT-TYPE
        SYNTAX PhivCounter (0..65535)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of node unreachable packet losses."
        ::= { routing 16 }

   phivRouteCountOutRngePktLoss OBJECT-TYPE
        SYNTAX PhivCounter (0..127)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of node out-of-range packet losses."
        ::= { routing 17 }

   phivRouteCountOverSzePktLoss OBJECT-TYPE
        SYNTAX PhivCounter (0..127)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of Oversized packet losses."
        ::= { routing 18 }

   phivRouteCountPacketFmtErr OBJECT-TYPE
        SYNTAX PhivCounter (0..127)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of packet format errors."
        ::= { routing 19 }

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   phivRouteCountPtlRteUpdtLoss OBJECT-TYPE
        SYNTAX PhivCounter (0..127)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of partial routing update losses."
        ::= { routing 20 }

   phivRouteCountVerifReject OBJECT-TYPE
        SYNTAX PhivCounter (0..127)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of verification rejects."
        ::= { routing 21 }

   -- Level 1 Routing Table

   phivLevel1RouteTable OBJECT-TYPE
        SYNTAX SEQUENCE OF PhivLevel1RouteEntry
        ACCESS not-accessible
        STATUS mandatory
        DESCRIPTION
            "Information about the currently known DECnet Phase
            IV Routes."
        ::= { routing 22 }

   phivLevel1RouteEntry OBJECT-TYPE
        SYNTAX PhivLevel1RouteEntry
        ACCESS not-accessible
        STATUS mandatory
        DESCRIPTION
            "Information about the currently known DECnet Phase
            IV Routes."
        INDEX  { phivLevel1RouteNodeAddr }
        ::= { phivLevel1RouteTable 1 }

   PhivLevel1RouteEntry ::=
        SEQUENCE {
            phivLevel1RouteNodeAddr
                PhivAddr,
            phivLevel1RouteCircuitIndex
                INTEGER,
            phivLevel1RouteCost
                INTEGER,
            phivLevel1RouteHops
                INTEGER,
            phivLevel1RouteNextNode

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                PhivAddr
        }

   phivLevel1RouteNodeAddr OBJECT-TYPE
        SYNTAX PhivAddr -- OCTET STRING (SIZE (2))
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "This value is the address of the node about which
            routing information is contained in this level 1
            routing table."
        ::= { phivLevel1RouteEntry 1 }

   phivLevel1RouteCircuitIndex OBJECT-TYPE
        SYNTAX INTEGER (1..65535)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "A unique index value for each known circuit. This is
            the index to the circuit state table and is the same
            value as phivCircuitIndex."
        ::= { phivLevel1RouteEntry 2 }

   phivLevel1RouteCost OBJECT-TYPE
        SYNTAX INTEGER (0..65535)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "This read-only parameter represents the total cost
            over the current path to the destination node. Cost is
            a positive integer value associated with using a
            circuit. Routing routes messages (data) along the path
            between two nodes with the smallest cost. COST is kept
            on a remote node basis."
        ::= { phivLevel1RouteEntry 3 }

   phivLevel1RouteHops OBJECT-TYPE
        SYNTAX INTEGER (0..127)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "This read-only parameter represents the number of hops
            over to a destination node. A hop is Routing value
            representing the logical distance between two nodes in
            a network. HOPS is kept on a remote node basis."
        ::= { phivLevel1RouteEntry 4 }

   phivLevel1RouteNextNode OBJECT-TYPE

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        SYNTAX PhivAddr -- OCTET STRING (SIZE (2))
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "This read-only value indicates the next node on the
            circuit used to get to the node under scrutiny
            (next hop)."
        ::= { phivLevel1RouteEntry 5 }

   -- Additional routing parameters

   phivRouteCountZeroCount OBJECT-TYPE
        SYNTAX INTEGER {
            other (1),
            reset (2)
        }
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "When this value is set to 2, the following objects are
            set to Zero: phivRouteCountAgedPktLoss,
            phivRouteCountNodeUnrPktLoss,
            phivRouteCountOutRngePktLoss,
            phivRouteCountOverSzePktLoss,
            phivRouteCountPacketFmtErr,
            phivRouteCountPtlRteUpdtLoss, and
            phivRouteCountVerifReject."
        ::= { routing 23 }

   phivRouteSystemAddr OBJECT-TYPE
        SYNTAX PhivAddr -- OCTET STRING (SIZE (2))
        ACCESS read-only
        STATUS obsolete
        DESCRIPTION
            "DECnet Phase IV node address."
        ::= { routing 24 }

   phivRouteRoutingType OBJECT-TYPE
        SYNTAX INTEGER {
            routing-III (1),
            nonrouting-III (2),
            area (3),
            routing-IV (4),
            nonrouting-IV (5)
        }
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION

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            "This read-write parameter indicates the type of the executor
            node. The node-type is one of the following:

            routing-III
            nonrouting-III
            routing-IV
            ronrouting-IV
            area

            A routing node has full routing capability. A
            nonrouting node contains a subset of the Routing
            routing modules. The III and IV indicate the DNA
            phase of the node. Nonrouting nodes can deliver
            and receive packets to and from any node, but cannot
            route packets from other nodes through to other nodes.
            An area node routes between areas. Refer to the Routing
            specification for details.

            For adjacent nodes, this is a read-only parameter that
            indicates the type of the reachable adjacent node.
            NOTE: The ROUTING-III and NONROUTING-III values are
            incremented by one compared to the standard DECnet
            values in order to maintain compliance with RFC 1155)"
        ::= { routing 25 }

   phivRouteSystemAddress OBJECT-TYPE
        SYNTAX PhivAddr -- OCTET STRING (SIZE (2))
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "DECnet Phase IV node address."
        ::= { routing 26 }

   -- Circuit Group

   -- The implementation of the Circuit Group is mandatory for
   -- all systems.

   -- Circuit Parameters Table

   phivCircuitParametersTable OBJECT-TYPE
        SYNTAX SEQUENCE OF PhivCircuitParametersEntry
        ACCESS not-accessible
        STATUS mandatory
        DESCRIPTION
            "Information about the parameters associated with all
            circuits currently known."
        ::= {circuit 1 }

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   phivCircuitParametersEntry OBJECT-TYPE
        SYNTAX PhivCircuitParametersEntry
        ACCESS not-accessible
        STATUS mandatory
        DESCRIPTION
            "Parameters information about all circuits currently
             known."
        INDEX  { phivCircuitIndex }
        ::= { phivCircuitParametersTable 1 }

   PhivCircuitParametersEntry ::=
        SEQUENCE {
            phivCircuitIndex
                INTEGER,
            phivCircuitLineIndex
                INTEGER,
            phivCircuitCommonState
                INTEGER,
            phivCircuitCommonSubState
                INTEGER,
            phivCircuitCommonName
                DisplayString,
            phivCircuitExecRecallTimer
                INTEGER,
            phivCircuitCommonType
                INTEGER,
            phivCircuitService
                INTEGER,
            phivCircuitExecCost
                INTEGER,
            phivCircuitExecHelloTimer
                INTEGER
       }

   phivCircuitIndex OBJECT-TYPE
        SYNTAX INTEGER (1..65535)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "A unique index value for each known circuit."
        ::= { phivCircuitParametersEntry 1 }

   phivCircuitLineIndex OBJECT-TYPE
        SYNTAX InterfaceIndex
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "The line on which this circuit is active.  This is

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             the same as the ifIndex."
        ::= { phivCircuitParametersEntry 2 }

   phivCircuitCommonState OBJECT-TYPE
        SYNTAX INTEGER {
            on (1),
            off (2),
            service (3),
            cleared (4)
        }
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value represents the circuit's Network Management
            operational state. NOTE: These values are incremented
            by one compared to the standard DECnet values in order
            to maintain compliance with RFC 1155."
        ::= { phivCircuitParametersEntry 3 }

   phivCircuitCommonSubState OBJECT-TYPE
        SYNTAX INTEGER {
            starting (1),
            reflecting (2),
            looping (3),
            loading (4),
            dumping (5),
            triggering (6),
            autoservice (7),
            autoloading (8),
            autodumping (9),
            autotriggering (10),
            synchronizing (11),
            failed (12),
            running (13)
        }
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "This value represents the circuit's Network Management
            operational and service substate. NOTE: These values are
            incremented by one compared to the standard DECnet values
            in order to maintain compliance with RFC 1155."
        ::= { phivCircuitParametersEntry 4 }

   phivCircuitCommonName OBJECT-TYPE
        SYNTAX DisplayString (SIZE (0..16))
        ACCESS read-only
        STATUS mandatory

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        DESCRIPTION
            "The name of the circuit entry in the table, for example,
             SVA-0 or in a level 2 router ASYNC-8 or ETHER-1)."
        ::= { phivCircuitParametersEntry 5 }

   phivCircuitExecRecallTimer OBJECT-TYPE
        SYNTAX INTEGER (0..65535)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This parameter represents the minimum number of
            seconds to wait before restarting the circuit.  A
            value of 0 indicates not timer is running."
        ::= { phivCircuitParametersEntry 6 }

   phivCircuitCommonType OBJECT-TYPE
        SYNTAX INTEGER {
            ddcmp-point (1),
            ddcmp-control (2),
            ddcmp-tributary (3),
            x25 (4),
            ddcmp-dmc (5),
            ethernet (6),
            ci (7),
            qp2-dte20 (8),
            bisync (9),
            other (14),
            fddi (15)
        }
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Represents the type of the circuit. For X.25 circuits,
            the value must be set to X25. For DDCMP and Ethernet
            circuits it is read only and is the same value as the
            protocol of the associated line.
            NOTE: Values 1 - 5 are incremented by one compared to the
            standard DECnet values in order to maintain compliance
            with RFC 1155."
        ::= { phivCircuitParametersEntry 7 }

   phivCircuitService  OBJECT-TYPE
        SYNTAX INTEGER {
            enabled (1),
            disabled (2)
        }
        ACCESS read-write
        STATUS mandatory

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        DESCRIPTION
            "This value indicates whether or not Network Management
            allows service operations on a circuit. The values for
            service-control are as follows:

            ENABLED     SERVICE state and/or service functions are
                        allowed.

            DISABLED    SERVICE state and/or service functions are not
                        allowed.

            NOTE: These values are incremented by one compared to the
            standard DECnet values in order to maintain compliance
            with RFC 1155."
        ::= { phivCircuitParametersEntry 8 }

   phivCircuitExecCost OBJECT-TYPE
        SYNTAX INTEGER (1..25)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value represents the routing cost of the circuit.
            Routing sends messages along the path between two nodes
            having the smallest cost."
        ::= { phivCircuitParametersEntry 9 }

   phivCircuitExecHelloTimer OBJECT-TYPE
        SYNTAX INTEGER (1..8191)
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This value determines the frequency of Routing Hello
            messages sent to the adjacent node on the circuit."
        ::= { phivCircuitParametersEntry 10 }

   -- Circuit Counters Table

   phivCircuitCountTable OBJECT-TYPE
        SYNTAX SEQUENCE OF PhivCircuitCountEntry
        ACCESS not-accessible
        STATUS mandatory
        DESCRIPTION
            "Information about the counters associated with all
            circuits currently known."
        ::= { circuit 2 }

          phivCircuitCountEntry OBJECT-TYPE
        SYNTAX PhivCircuitCountEntry

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        ACCESS not-accessible
        STATUS mandatory
        DESCRIPTION
            "Counter information about all circuits currently known"
        INDEX     { phivCircuitIndex }
        ::= { phivCircuitCountTable 1 }

   PhivCircuitCountEntry ::=
        SEQUENCE {
            phivCircuitCountSecLastZeroed
                PhivCounter,
            phivCircuitCountTermPacketsRecd
                PhivCounter,
            phivCircuitCountOriginPackSent
                PhivCounter,
            phivCircuitCountTermCongLoss
                PhivCounter,
            phivCircuitCountCorruptLoss
                PhivCounter,
            phivCircuitCountTransitPksRecd
                PhivCounter,
            phivCircuitCountTransitPkSent
                PhivCounter,
            phivCircuitCountTransitCongestLoss
                PhivCounter,
            phivCircuitCountCircuitDown
                PhivCounter,
            phivCircuitCountInitFailure
                PhivCounter,
            phivCircuitCountAdjDown
                PhivCounter,
            phivCircuitCountPeakAdj
                PhivCounter,
            phivCircuitCountBytesRecd
                PhivCounter,
            phivCircuitCountBytesSent
                PhivCounter,
            phivCircuitCountDataBlocksRecd
                PhivCounter,
            phivCircuitCountDataBlocksSent
                PhivCounter,
            phivCircuitCountUsrBuffUnav
                PhivCounter
        }

   phivCircuitCountSecLastZeroed  OBJECT-TYPE
        SYNTAX PhivCounter (0..65535)
        ACCESS read-only

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        STATUS mandatory
        DESCRIPTION
            "Number of seconds since the circuit counters for this
            circuit were last zeroed."
        ::= { phivCircuitCountEntry 1 }

   phivCircuitCountTermPacketsRecd OBJECT-TYPE
        SYNTAX PhivCounter (0..2147483647)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of terminating packets received on this circuit."
        ::= { phivCircuitCountEntry 2 }

   phivCircuitCountOriginPackSent OBJECT-TYPE
        SYNTAX PhivCounter (0..2147483647)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of originating packets sent on this circuit."
        ::= { phivCircuitCountEntry 3 }

   phivCircuitCountTermCongLoss OBJECT-TYPE
        SYNTAX PhivCounter (0..65535)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of terminating congestion losses on this
            circuit."
        ::= { phivCircuitCountEntry 4 }

   phivCircuitCountCorruptLoss OBJECT-TYPE
        SYNTAX PhivCounter (0..255)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of corruption losses on this circuit."
        ::= { phivCircuitCountEntry 5 }

   phivCircuitCountTransitPksRecd OBJECT-TYPE
        SYNTAX PhivCounter (0..2147483647)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of Transit packets received on this circuit."
        ::= { phivCircuitCountEntry 6 }

   phivCircuitCountTransitPkSent OBJECT-TYPE

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        SYNTAX PhivCounter (0..2147483647)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of transit packets sent on this circuit."
        ::= { phivCircuitCountEntry 7 }

   phivCircuitCountTransitCongestLoss OBJECT-TYPE
        SYNTAX PhivCounter (0..65535)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of transit congestion losses on this circuit."
        ::= { phivCircuitCountEntry 8 }

   phivCircuitCountCircuitDown OBJECT-TYPE
        SYNTAX PhivCounter (0..255)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of circuit downs on this circuit."
        ::= { phivCircuitCountEntry 9 }

   phivCircuitCountInitFailure OBJECT-TYPE
        SYNTAX PhivCounter (0..255)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of Initialization failures on this circuit."
        ::= { phivCircuitCountEntry 10 }

   phivCircuitCountAdjDown OBJECT-TYPE
        SYNTAX PhivCounter (0..2147483647)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "This counter indicates the number of adjacency losses
            that result from any of the following:
                 Node listener timeout
                 Invalid data received at node listener
                 Unexpected control (initialization or verification)
                     message received
                 Routing message received with a checksum error
                 Node identification from a routing message or a
                 Hello message that is not the one expected Hello
                 message received indicating that connectivity
                 became one-way
                 Adjacency idled."

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        ::= { phivCircuitCountEntry 11 }

   phivCircuitCountPeakAdj OBJECT-TYPE
        SYNTAX PhivCounter (0..65535)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "This counter indicates the maximum number of nodes
            that are up on the circuit."
        ::= { phivCircuitCountEntry 12 }

   phivCircuitCountBytesRecd OBJECT-TYPE
        SYNTAX PhivCounter (0..2147483647)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of bytes received on this circuit."
        ::= { phivCircuitCountEntry 13 }

   phivCircuitCountBytesSent OBJECT-TYPE
        SYNTAX PhivCounter (0..2147483647)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of bytes sent on this circuit."
        ::= { phivCircuitCountEntry 14 }

   phivCircuitCountDataBlocksRecd OBJECT-TYPE
        SYNTAX PhivCounter (0..2147483647)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of data blocks received on this circuit."
        ::= { phivCircuitCountEntry 15 }

   phivCircuitCountDataBlocksSent OBJECT-TYPE
        SYNTAX PhivCounter (0..2147483647)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of data blocks sent on this circuit."
        ::= { phivCircuitCountEntry 16 }

   phivCircuitCountUsrBuffUnav OBJECT-TYPE
        SYNTAX PhivCounter (0..65535)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION

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            "Number of user buffer unavailable errors."
        ::= { phivCircuitCountEntry 17 }

   -- Additional Circuit Parameters

   phivCircuitOrigQueueLimit OBJECT-TYPE
        SYNTAX INTEGER
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "This parameter indicates the maximum number of
            originating packets that may be outstanding on this
            circuit. This does not include route-thru traffic."
        ::= { circuit 3 }

   phivCircuitCountZeroCount OBJECT-TYPE
        SYNTAX INTEGER {
            other (1),
            reset (2)
        }
        ACCESS read-write
        STATUS mandatory
        DESCRIPTION
            "When this value is set to 2, all of the counters in the
            Circuit Counter Table are set to zero."
        ::= { circuit 4 }

   -- DDCMP Circuit Group

   -- The implementation of the DDCMP Circuit Group is optional.
   -- A system can be said to implement this group if and only if
   -- all objects in this group are implemented.

   -- DDCMP Parameters Table

   phivDDCMPCircuitParametersTable OBJECT-TYPE
        SYNTAX SEQUENCE OF PhivDDCMPCircuitParametersEntry
        ACCESS not-accessible
        STATUS mandatory
        DESCRIPTION
            "Information about DDCMP circuit parameters."
        ::= { ddcmp 1}

   phivDDCMPCircuitParametersEntry OBJECT-TYPE
        SYNTAX PhivDDCMPCircuitParametersEntry
        ACCESS not-accessible
        STATUS mandatory
        DESCRIPTION

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            "Parameters information about DDCMP circuits currently
             known."
        INDEX     { phivDDCMPCircuitIndex }
        ::= { phivDDCMPCircuitParametersTable 1 }

   PhivDDCMPCircuitParametersEntry ::=
        SEQUENCE {
            phivDDCMPCircuitIndex
                INTEGER,
            phivDDCMPCircuitAdjNodeAddr
                INTEGER,
            phivDDCMPCircuitTributary
                INTEGER
        }

   phivDDCMPCircuitIndex OBJECT-TYPE
        SYNTAX INTEGER (1..65535)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "A unique index value for each known DDCMP circuit.
            This is the same value as phivCircuitIndex."
        ::= { phivDDCMPCircuitParametersEntry 1 }

   phivDDCMPCircuitAdjNodeAddr OBJECT-TYPE
        SYNTAX PhivAddr -- OCTET STRING (SIZE (2))
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "The address of the adjacent node."
        ::= { phivDDCMPCircuitParametersEntry 2 }

   phivDDCMPCircuitTributary OBJECT-TYPE
        SYNTAX INTEGER (0..255)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "This value represents the Data Link physical tributary
            address of the circuit."
        ::= { phivDDCMPCircuitParametersEntry 3 }

   -- DDCMP Circuit Counter Table

   phivDDCMPCircuitCountTable OBJECT-TYPE
        SYNTAX SEQUENCE OF PhivDDCMPCircuitCountEntry
        ACCESS not-accessible
        STATUS mandatory
        DESCRIPTION

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            "Information about the DDCMP counters associated with all
            circuits currently known."
        ::= { ddcmp 2 }

   phivDDCMPCircuitCountEntry OBJECT-TYPE
        SYNTAX PhivDDCMPCircuitCountEntry
        ACCESS not-accessible
        STATUS mandatory
        DESCRIPTION
            "Counter information about DDCMP circuits now known"
        INDEX     { phivCircuitIndex }
        ::= { phivDDCMPCircuitCountTable 1 }

   PhivDDCMPCircuitCountEntry ::=
        SEQUENCE {
            phivDDCMPCircuitErrorsInbd
                PhivCounter,
            phivDDCMPCircuitErrorsOutbd
                PhivCounter,
            phivDDCMPCircuitRmteReplyTimeouts
                PhivCounter,
            phivDDCMPCircuitLocalReplyTimeouts
                PhivCounter,
            phivDDCMPCircuitRmteBuffErrors
                PhivCounter,
            phivDDCMPCircuitLocalBuffErrors
                PhivCounter,
            phivDDCMPCircuitSelectIntervalsElap
                PhivCounter,
            phivDDCMPCircuitSelectTimeouts
                PhivCounter
        }

   phivDDCMPCircuitErrorsInbd OBJECT-TYPE
        SYNTAX PhivCounter (0..255)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of Data errors inbound."
        ::= { phivDDCMPCircuitCountEntry 1 }

   phivDDCMPCircuitErrorsOutbd OBJECT-TYPE
        SYNTAX PhivCounter (0..255)
        ACCESS read-only
        STATUS mandatory
        DESCRIPTION
            "Number of outbound data errors."
        ::= { phivDDCMPCircuitCountEntry 2 }


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