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✏️ Editing: RFC1213-MIB.txt

RFC1213-MIB DEFINITIONS ::= BEGIN

IMPORTS
        mgmt, NetworkAddress, IpAddress, Counter, Gauge,
                TimeTicks
            FROM RFC1155-SMI
        OBJECT-TYPE
                FROM RFC-1212;

--  This MIB module uses the extended OBJECT-TYPE macro as
--  defined in [14];

--  MIB-II (same prefix as MIB-I)

mib-2      OBJECT IDENTIFIER ::= { mgmt 1 }

-- textual conventions

DisplayString ::=
    OCTET STRING
-- This data type is used to model textual information taken
-- from the NVT ASCII character set.  By convention, objects
-- with this syntax are declared as having

--
--      SIZE (0..255)

PhysAddress ::=
    OCTET STRING
-- This data type is used to model media addresses.  For many
-- types of media, this will be in a binary representation.
-- For example, an ethernet address would be represented as
-- a string of 6 octets.

-- groups in MIB-II

system       OBJECT IDENTIFIER ::= { mib-2 1 }

interfaces   OBJECT IDENTIFIER ::= { mib-2 2 }

at           OBJECT IDENTIFIER ::= { mib-2 3 }

ip           OBJECT IDENTIFIER ::= { mib-2 4 }

icmp         OBJECT IDENTIFIER ::= { mib-2 5 }

tcp          OBJECT IDENTIFIER ::= { mib-2 6 }

udp          OBJECT IDENTIFIER ::= { mib-2 7 }

egp          OBJECT IDENTIFIER ::= { mib-2 8 }

-- historical (some say hysterical)
-- cmot      OBJECT IDENTIFIER ::= { mib-2 9 }

transmission OBJECT IDENTIFIER ::= { mib-2 10 }

snmp         OBJECT IDENTIFIER ::= { mib-2 11 }

-- the System group

-- Implementation of the System group is mandatory for all
-- systems.  If an agent is not configured to have a value
-- for any of these variables, a string of length 0 is
-- returned.

sysDescr OBJECT-TYPE
    SYNTAX  DisplayString (SIZE (0..255))
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "A textual description of the entity.  This value
            should include the full name and version
            identification of the system's hardware type,
            software operating-system, and networking
            software.  It is mandatory that this only contain
            printable ASCII characters."
    ::= { system 1 }

sysObjectID OBJECT-TYPE
    SYNTAX  OBJECT IDENTIFIER
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The vendor's authoritative identification of the
            network management subsystem contained in the
            entity.  This value is allocated within the SMI
            enterprises subtree (1.3.6.1.4.1) and provides an
            easy and unambiguous means for determining `what
            kind of box' is being managed.  For example, if
            vendor `Flintstones, Inc.' was assigned the
            subtree 1.3.6.1.4.1.4242, it could assign the
            identifier 1.3.6.1.4.1.4242.1.1 to its `Fred
            Router'."
    ::= { system 2 }

sysUpTime OBJECT-TYPE
    SYNTAX  TimeTicks
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The time (in hundredths of a second) since the
            network management portion of the system was last
            re-initialized."
    ::= { system 3 }

sysContact OBJECT-TYPE
    SYNTAX  DisplayString (SIZE (0..255))
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "The textual identification of the contact person
            for this managed node, together with information
            on how to contact this person."
    ::= { system 4 }

sysName OBJECT-TYPE
    SYNTAX  DisplayString (SIZE (0..255))
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "An administratively-assigned name for this
            managed node.  By convention, this is the node's
            fully-qualified domain name."
    ::= { system 5 }

sysLocation OBJECT-TYPE
    SYNTAX  DisplayString (SIZE (0..255))
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "The physical location of this node (e.g.,
            `telephone closet, 3rd floor')."
    ::= { system 6 }

sysServices OBJECT-TYPE
    SYNTAX  INTEGER (0..127)
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "A value which indicates the set of services that
            this entity primarily offers.

The value is a sum.  This sum initially takes the
            value zero, Then, for each layer, L, in the range
            1 through 7, that this node performs transactions
            for, 2 raised to (L - 1) is added to the sum.  For
            example, a node which performs primarily routing
            functions would have a value of 4 (2^(3-1)).  In
            contrast, a node which is a host offering
            application services would have a value of 72
            (2^(4-1) + 2^(7-1)).  Note that in the context of
            the Internet suite of protocols, values should be
            calculated accordingly:

layer  functionality
                     1  physical (e.g., repeaters)
                     2  datalink/subnetwork (e.g., bridges)
                     3  internet (e.g., IP gateways)
                     4  end-to-end  (e.g., IP hosts)
                     7  applications (e.g., mail relays)

For systems including OSI protocols, layers 5 and
            6 may also be counted."
    ::= { system 7 }

-- the Interfaces group

-- Implementation of the Interfaces group is mandatory for
-- all systems.

ifNumber OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of network interfaces (regardless of
            their current state) present on this system."
    ::= { interfaces 1 }

-- the Interfaces table

-- The Interfaces table contains information on the entity's
-- interfaces.  Each interface is thought of as being
-- attached to a `subnetwork'.  Note that this term should
-- not be confused with `subnet' which refers to an
-- addressing partitioning scheme used in the Internet suite
-- of protocols.

ifTable OBJECT-TYPE
    SYNTAX  SEQUENCE OF IfEntry
    ACCESS  not-accessible
    STATUS  mandatory
    DESCRIPTION
            "A list of interface entries.  The number of
            entries is given by the value of ifNumber."
    ::= { interfaces 2 }

ifEntry OBJECT-TYPE
    SYNTAX  IfEntry
    ACCESS  not-accessible
    STATUS  mandatory
    DESCRIPTION
            "An interface entry containing objects at the
            subnetwork layer and below for a particular
            interface."
    INDEX   { ifIndex }
    ::= { ifTable 1 }

IfEntry ::=
    SEQUENCE {
        ifIndex
            INTEGER,
        ifDescr
            DisplayString,
        ifType
            INTEGER,
        ifMtu
            INTEGER,
        ifSpeed
            Gauge,
        ifPhysAddress
            PhysAddress,
        ifAdminStatus
            INTEGER,
        ifOperStatus
            INTEGER,
        ifLastChange
            TimeTicks,
        ifInOctets
            Counter,
        ifInUcastPkts
            Counter,
        ifInNUcastPkts
            Counter,
        ifInDiscards
            Counter,
        ifInErrors
            Counter,
        ifInUnknownProtos
            Counter,
        ifOutOctets
            Counter,
        ifOutUcastPkts
            Counter,
        ifOutNUcastPkts
            Counter,
        ifOutDiscards
            Counter,
        ifOutErrors
            Counter,
        ifOutQLen
            Gauge,
        ifSpecific
            OBJECT IDENTIFIER
    }

ifIndex OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "A unique value for each interface.  Its value
            ranges between 1 and the value of ifNumber.  The
            value for each interface must remain constant at
            least from one re-initialization of the entity's
            network management system to the next re-
            initialization."
    ::= { ifEntry 1 }

ifDescr OBJECT-TYPE
    SYNTAX  DisplayString (SIZE (0..255))
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "A textual string containing information about the
            interface.  This string should include the name of
            the manufacturer, the product name and the version
            of the hardware interface."
    ::= { ifEntry 2 }

ifType OBJECT-TYPE
    SYNTAX  INTEGER {
                other(1),          -- none of the following
                regular1822(2),
                hdh1822(3),
                ddn-x25(4),
                rfc877-x25(5),
                ethernet-csmacd(6),
                iso88023-csmacd(7),
                iso88024-tokenBus(8),
                iso88025-tokenRing(9),
                iso88026-man(10),
                starLan(11),
                proteon-10Mbit(12),
                proteon-80Mbit(13),
                hyperchannel(14),
                fddi(15),
                lapb(16),
                sdlc(17),
                ds1(18),           -- T-1
                e1(19),            -- european equiv. of T-1
                basicISDN(20),
                primaryISDN(21),   -- proprietary serial
                propPointToPointSerial(22),
                ppp(23),
                softwareLoopback(24),
                eon(25),            -- CLNP over IP [11]
                ethernet-3Mbit(26),
                nsip(27),           -- XNS over IP
                slip(28),           -- generic SLIP
                ultra(29),          -- ULTRA technologies
                ds3(30),            -- T-3
                sip(31),            -- SMDS
                frame-relay(32)
            }
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The type of interface, distinguished according to
            the physical/link protocol(s) immediately `below'
            the network layer in the protocol stack."
    ::= { ifEntry 3 }

ifMtu OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The size of the largest datagram which can be
            sent/received on the interface, specified in
            octets.  For interfaces that are used for
            transmitting network datagrams, this is the size
            of the largest network datagram that can be sent
            on the interface."
    ::= { ifEntry 4 }

ifSpeed OBJECT-TYPE
    SYNTAX  Gauge
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "An estimate of the interface's current bandwidth
            in bits per second.  For interfaces which do not
            vary in bandwidth or for those where no accurate
            estimation can be made, this object should contain
            the nominal bandwidth."
    ::= { ifEntry 5 }

ifPhysAddress OBJECT-TYPE
    SYNTAX  PhysAddress
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The interface's address at the protocol layer
            immediately `below' the network layer in the
            protocol stack.  For interfaces which do not have

such an address (e.g., a serial line), this object
            should contain an octet string of zero length."
    ::= { ifEntry 6 }

ifAdminStatus OBJECT-TYPE
    SYNTAX  INTEGER {
                up(1),       -- ready to pass packets
                down(2),
                testing(3)   -- in some test mode
            }
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "The desired state of the interface.  The
            testing(3) state indicates that no operational
            packets can be passed."
    ::= { ifEntry 7 }

ifOperStatus OBJECT-TYPE
    SYNTAX  INTEGER {
                up(1),       -- ready to pass packets
                down(2),
                testing(3)   -- in some test mode
            }
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The current operational state of the interface.
            The testing(3) state indicates that no operational
            packets can be passed."
    ::= { ifEntry 8 }

ifLastChange OBJECT-TYPE
    SYNTAX  TimeTicks
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The value of sysUpTime at the time the interface
            entered its current operational state.  If the
            current state was entered prior to the last re-
            initialization of the local network management
            subsystem, then this object contains a zero
            value."
    ::= { ifEntry 9 }

ifInOctets OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of octets received on the
            interface, including framing characters."
    ::= { ifEntry 10 }

ifInUcastPkts OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of subnetwork-unicast packets
            delivered to a higher-layer protocol."
    ::= { ifEntry 11 }

ifInNUcastPkts OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of non-unicast (i.e., subnetwork-
            broadcast or subnetwork-multicast) packets
            delivered to a higher-layer protocol."
    ::= { ifEntry 12 }

ifInDiscards OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of inbound packets which were chosen
            to be discarded even though no errors had been
            detected to prevent their being deliverable to a
            higher-layer protocol.  One possible reason for
            discarding such a packet could be to free up
            buffer space."
    ::= { ifEntry 13 }

ifInErrors OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of inbound packets that contained
            errors preventing them from being deliverable to a
            higher-layer protocol."
    ::= { ifEntry 14 }

ifInUnknownProtos OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of packets received via the interface
            which were discarded because of an unknown or
            unsupported protocol."
    ::= { ifEntry 15 }

ifOutOctets OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of octets transmitted out of the
            interface, including framing characters."
    ::= { ifEntry 16 }

ifOutUcastPkts OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of packets that higher-level
            protocols requested be transmitted to a
            subnetwork-unicast address, including those that
            were discarded or not sent."
    ::= { ifEntry 17 }

ifOutNUcastPkts OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of packets that higher-level
            protocols requested be transmitted to a non-
            unicast (i.e., a subnetwork-broadcast or
            subnetwork-multicast) address, including those
            that were discarded or not sent."
    ::= { ifEntry 18 }

ifOutDiscards OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of outbound packets which were chosen

to be discarded even though no errors had been
            detected to prevent their being transmitted.  One
            possible reason for discarding such a packet could
            be to free up buffer space."
    ::= { ifEntry 19 }

ifOutErrors OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of outbound packets that could not be
            transmitted because of errors."
    ::= { ifEntry 20 }

ifOutQLen OBJECT-TYPE
    SYNTAX  Gauge
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The length of the output packet queue (in
            packets)."
    ::= { ifEntry 21 }

ifSpecific OBJECT-TYPE
    SYNTAX  OBJECT IDENTIFIER
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "A reference to MIB definitions specific to the
            particular media being used to realize the
            interface.  For example, if the interface is
            realized by an ethernet, then the value of this
            object refers to a document defining objects
            specific to ethernet.  If this information is not
            present, its value should be set to the OBJECT
            IDENTIFIER { 0 0 }, which is a syntatically valid
            object identifier, and any conformant
            implementation of ASN.1 and BER must be able to
            generate and recognize this value."
    ::= { ifEntry 22 }

-- the Address Translation group

-- Implementation of the Address Translation group is
-- mandatory for all systems.  Note however that this group
-- is deprecated by MIB-II. That is, it is being included

-- solely for compatibility with MIB-I nodes, and will most
-- likely be excluded from MIB-III nodes.  From MIB-II and
-- onwards, each network protocol group contains its own
-- address translation tables.

-- The Address Translation group contains one table which is
-- the union across all interfaces of the translation tables
-- for converting a NetworkAddress (e.g., an IP address) into
-- a subnetwork-specific address.  For lack of a better term,
-- this document refers to such a subnetwork-specific address
-- as a `physical' address.

-- Examples of such translation tables are: for broadcast
-- media where ARP is in use, the translation table is
-- equivalent to the ARP cache; or, on an X.25 network where
-- non-algorithmic translation to X.121 addresses is
-- required, the translation table contains the
-- NetworkAddress to X.121 address equivalences.

atTable OBJECT-TYPE
    SYNTAX  SEQUENCE OF AtEntry
    ACCESS  not-accessible
    STATUS  deprecated
    DESCRIPTION
            "The Address Translation tables contain the
            NetworkAddress to `physical' address equivalences.
            Some interfaces do not use translation tables for
            determining address equivalences (e.g., DDN-X.25
            has an algorithmic method); if all interfaces are
            of this type, then the Address Translation table
            is empty, i.e., has zero entries."
    ::= { at 1 }

atEntry OBJECT-TYPE
    SYNTAX  AtEntry
    ACCESS  not-accessible
    STATUS  deprecated
    DESCRIPTION
            "Each entry contains one NetworkAddress to
            `physical' address equivalence."
    INDEX   { atIfIndex,
              atNetAddress }
    ::= { atTable 1 }

AtEntry ::=
    SEQUENCE {
        atIfIndex
            INTEGER,
        atPhysAddress
            PhysAddress,
        atNetAddress
            NetworkAddress
    }

atIfIndex OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-write
    STATUS  deprecated
    DESCRIPTION
            "The interface on which this entry's equivalence
            is effective.  The interface identified by a
            particular value of this index is the same
            interface as identified by the same value of
            ifIndex."
    ::= { atEntry 1 }

atPhysAddress OBJECT-TYPE
    SYNTAX  PhysAddress
    ACCESS  read-write
    STATUS  deprecated
    DESCRIPTION
            "The media-dependent `physical' address.

Setting this object to a null string (one of zero
            length) has the effect of invaliding the
            corresponding entry in the atTable object.  That
            is, it effectively dissasociates the interface
            identified with said entry from the mapping
            identified with said entry.  It is an
            implementation-specific matter as to whether the
            agent removes an invalidated entry from the table.
            Accordingly, management stations must be prepared
            to receive tabular information from agents that
            corresponds to entries not currently in use.
            Proper interpretation of such entries requires
            examination of the relevant atPhysAddress object."
    ::= { atEntry 2 }

atNetAddress OBJECT-TYPE
    SYNTAX  NetworkAddress
    ACCESS  read-write
    STATUS  deprecated
    DESCRIPTION
            "The NetworkAddress (e.g., the IP address)
            corresponding to the media-dependent `physical'
            address."
    ::= { atEntry 3 }

-- the IP group

-- Implementation of the IP group is mandatory for all
-- systems.

ipForwarding OBJECT-TYPE
    SYNTAX  INTEGER {
                forwarding(1),    -- acting as a gateway
                not-forwarding(2) -- NOT acting as a gateway
            }
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "The indication of whether this entity is acting
            as an IP gateway in respect to the forwarding of
            datagrams received by, but not addressed to, this
            entity.  IP gateways forward datagrams.  IP hosts
            do not (except those source-routed via the host).

Note that for some managed nodes, this object may
            take on only a subset of the values possible.
            Accordingly, it is appropriate for an agent to
            return a `badValue' response if a management
            station attempts to change this object to an
            inappropriate value."
    ::= { ip 1 }

ipDefaultTTL OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "The default value inserted into the Time-To-Live
            field of the IP header of datagrams originated at
            this entity, whenever a TTL value is not supplied
            by the transport layer protocol."
    ::= { ip 2 }

ipInReceives OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of input datagrams received from
            interfaces, including those received in error."
    ::= { ip 3 }

ipInHdrErrors OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of input datagrams discarded due to
            errors in their IP headers, including bad
            checksums, version number mismatch, other format
            errors, time-to-live exceeded, errors discovered
            in processing their IP options, etc."
    ::= { ip 4 }

ipInAddrErrors OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of input datagrams discarded because
            the IP address in their IP header's destination
            field was not a valid address to be received at
            this entity.  This count includes invalid
            addresses (e.g., 0.0.0.0) and addresses of
            unsupported Classes (e.g., Class E).  For entities
            which are not IP Gateways and therefore do not
            forward datagrams, this counter includes datagrams
            discarded because the destination address was not
            a local address."
    ::= { ip 5 }

ipForwDatagrams OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of input datagrams for which this
            entity was not their final IP destination, as a
            result of which an attempt was made to find a
            route to forward them to that final destination.
            In entities which do not act as IP Gateways, this
            counter will include only those packets which were
            Source-Routed via this entity, and the Source-
            Route option processing was successful."
    ::= { ip 6 }

ipInUnknownProtos OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of locally-addressed datagrams
            received successfully but discarded because of an
            unknown or unsupported protocol."
    ::= { ip 7 }

ipInDiscards OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of input IP datagrams for which no
            problems were encountered to prevent their
            continued processing, but which were discarded
            (e.g., for lack of buffer space).  Note that this
            counter does not include any datagrams discarded
            while awaiting re-assembly."
    ::= { ip 8 }

ipInDelivers OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of input datagrams successfully
            delivered to IP user-protocols (including ICMP)."
    ::= { ip 9 }

ipOutRequests OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of IP datagrams which local IP
            user-protocols (including ICMP) supplied to IP in
            requests for transmission.  Note that this counter
            does not include any datagrams counted in
            ipForwDatagrams."
    ::= { ip 10 }

ipOutDiscards OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of output IP datagrams for which no

problem was encountered to prevent their
            transmission to their destination, but which were
            discarded (e.g., for lack of buffer space).  Note
            that this counter would include datagrams counted
            in ipForwDatagrams if any such packets met this
            (discretionary) discard criterion."
    ::= { ip 11 }

ipOutNoRoutes OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of IP datagrams discarded because no
            route could be found to transmit them to their
            destination.  Note that this counter includes any
            packets counted in ipForwDatagrams which meet this
            `no-route' criterion.  Note that this includes any
            datagarms which a host cannot route because all of
            its default gateways are down."
    ::= { ip 12 }

ipReasmTimeout OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The maximum number of seconds which received
            fragments are held while they are awaiting
            reassembly at this entity."
    ::= { ip 13 }

ipReasmReqds OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of IP fragments received which needed
            to be reassembled at this entity."
    ::= { ip 14 }

ipReasmOKs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of IP datagrams successfully re-
            assembled."
    ::= { ip 15 }

ipReasmFails OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of failures detected by the IP re-
            assembly algorithm (for whatever reason: timed
            out, errors, etc).  Note that this is not
            necessarily a count of discarded IP fragments
            since some algorithms (notably the algorithm in
            RFC 815) can lose track of the number of fragments
            by combining them as they are received."
    ::= { ip 16 }

ipFragOKs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of IP datagrams that have been
            successfully fragmented at this entity."
    ::= { ip 17 }

ipFragFails OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of IP datagrams that have been
            discarded because they needed to be fragmented at
            this entity but could not be, e.g., because their
            Don't Fragment flag was set."
    ::= { ip 18 }

ipFragCreates OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of IP datagram fragments that have
            been generated as a result of fragmentation at
            this entity."
    ::= { ip 19 }

-- the IP address table

-- The IP address table contains this entity's IP addressing
-- information.

ipAddrTable OBJECT-TYPE
    SYNTAX  SEQUENCE OF IpAddrEntry
    ACCESS  not-accessible
    STATUS  mandatory
    DESCRIPTION
            "The table of addressing information relevant to
            this entity's IP addresses."
    ::= { ip 20 }

ipAddrEntry OBJECT-TYPE
    SYNTAX  IpAddrEntry
    ACCESS  not-accessible
    STATUS  mandatory
    DESCRIPTION
            "The addressing information for one of this
            entity's IP addresses."
    INDEX   { ipAdEntAddr }
    ::= { ipAddrTable 1 }

IpAddrEntry ::=
    SEQUENCE {
        ipAdEntAddr
            IpAddress,
        ipAdEntIfIndex
            INTEGER,
        ipAdEntNetMask
            IpAddress,
        ipAdEntBcastAddr
            INTEGER,
        ipAdEntReasmMaxSize
            INTEGER (0..65535)
    }

ipAdEntAddr OBJECT-TYPE
    SYNTAX  IpAddress
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The IP address to which this entry's addressing
            information pertains."
    ::= { ipAddrEntry 1 }

ipAdEntIfIndex OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The index value which uniquely identifies the
            interface to which this entry is applicable.  The
            interface identified by a particular value of this
            index is the same interface as identified by the
            same value of ifIndex."
    ::= { ipAddrEntry 2 }

ipAdEntNetMask OBJECT-TYPE
    SYNTAX  IpAddress
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The subnet mask associated with the IP address of
            this entry.  The value of the mask is an IP
            address with all the network bits set to 1 and all
            the hosts bits set to 0."
    ::= { ipAddrEntry 3 }

ipAdEntBcastAddr OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The value of the least-significant bit in the IP
            broadcast address used for sending datagrams on
            the (logical) interface associated with the IP
            address of this entry.  For example, when the
            Internet standard all-ones broadcast address is
            used, the value will be 1.  This value applies to
            both the subnet and network broadcasts addresses
            used by the entity on this (logical) interface."
    ::= { ipAddrEntry 4 }

ipAdEntReasmMaxSize OBJECT-TYPE
    SYNTAX  INTEGER (0..65535)
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The size of the largest IP datagram which this
            entity can re-assemble from incoming IP fragmented
            datagrams received on this interface."
    ::= { ipAddrEntry 5 }

-- the IP routing table

-- The IP routing table contains an entry for each route
-- presently known to this entity.

ipRouteTable OBJECT-TYPE
    SYNTAX  SEQUENCE OF IpRouteEntry
    ACCESS  not-accessible
    STATUS  mandatory
    DESCRIPTION
            "This entity's IP Routing table."
    ::= { ip 21 }

ipRouteEntry OBJECT-TYPE
    SYNTAX  IpRouteEntry
    ACCESS  not-accessible
    STATUS  mandatory
    DESCRIPTION
            "A route to a particular destination."
    INDEX   { ipRouteDest }
    ::= { ipRouteTable 1 }

IpRouteEntry ::=
    SEQUENCE {
        ipRouteDest
            IpAddress,
        ipRouteIfIndex
            INTEGER,
        ipRouteMetric1
            INTEGER,
        ipRouteMetric2
            INTEGER,
        ipRouteMetric3
            INTEGER,
        ipRouteMetric4
            INTEGER,
        ipRouteNextHop
            IpAddress,
        ipRouteType
            INTEGER,
        ipRouteProto
            INTEGER,
        ipRouteAge
            INTEGER,
        ipRouteMask
            IpAddress,
        ipRouteMetric5
            INTEGER,
        ipRouteInfo
            OBJECT IDENTIFIER
    }

ipRouteDest OBJECT-TYPE
    SYNTAX  IpAddress
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "The destination IP address of this route.  An
            entry with a value of 0.0.0.0 is considered a
            default route.  Multiple routes to a single
            destination can appear in the table, but access to
            such multiple entries is dependent on the table-
            access mechanisms defined by the network
            management protocol in use."
    ::= { ipRouteEntry 1 }

ipRouteIfIndex OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "The index value which uniquely identifies the
            local interface through which the next hop of this
            route should be reached.  The interface identified
            by a particular value of this index is the same
            interface as identified by the same value of
            ifIndex."
    ::= { ipRouteEntry 2 }

ipRouteMetric1 OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "The primary routing metric for this route.  The
            semantics of this metric are determined by the
            routing-protocol specified in the route's
            ipRouteProto value.  If this metric is not used,
            its value should be set to -1."
    ::= { ipRouteEntry 3 }

ipRouteMetric2 OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "An alternate routing metric for this route.  The
            semantics of this metric are determined by the
            routing-protocol specified in the route's
            ipRouteProto value.  If this metric is not used,
            its value should be set to -1."
    ::= { ipRouteEntry 4 }

ipRouteMetric3 OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "An alternate routing metric for this route.  The
            semantics of this metric are determined by the
            routing-protocol specified in the route's
            ipRouteProto value.  If this metric is not used,
            its value should be set to -1."
    ::= { ipRouteEntry 5 }

ipRouteMetric4 OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "An alternate routing metric for this route.  The
            semantics of this metric are determined by the
            routing-protocol specified in the route's
            ipRouteProto value.  If this metric is not used,
            its value should be set to -1."
    ::= { ipRouteEntry 6 }

ipRouteNextHop OBJECT-TYPE
    SYNTAX  IpAddress
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "The IP address of the next hop of this route.
            (In the case of a route bound to an interface
            which is realized via a broadcast media, the value
            of this field is the agent's IP address on that
            interface.)"
    ::= { ipRouteEntry 7 }

ipRouteType OBJECT-TYPE
    SYNTAX  INTEGER {
                other(1),        -- none of the following

invalid(2),      -- an invalidated route

-- route to directly
                direct(3),       -- connected (sub-)network

-- route to a non-local
                indirect(4)      -- host/network/sub-network
            }
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "The type of route.  Note that the values
            direct(3) and indirect(4) refer to the notion of
            direct and indirect routing in the IP
            architecture.

Setting this object to the value invalid(2) has
            the effect of invalidating the corresponding entry
            in the ipRouteTable object.  That is, it
            effectively dissasociates the destination
            identified with said entry from the route
            identified with said entry.  It is an
            implementation-specific matter as to whether the
            agent removes an invalidated entry from the table.
            Accordingly, management stations must be prepared
            to receive tabular information from agents that
            corresponds to entries not currently in use.
            Proper interpretation of such entries requires
            examination of the relevant ipRouteType object."
    ::= { ipRouteEntry 8 }

ipRouteProto OBJECT-TYPE
    SYNTAX  INTEGER {
                other(1),       -- none of the following

-- non-protocol information,
                                -- e.g., manually configured
                local(2),       -- entries

-- set via a network
                netmgmt(3),     -- management protocol

-- obtained via ICMP,
                icmp(4),        -- e.g., Redirect

-- the remaining values are
                                -- all gateway routing
                                -- protocols
                egp(5),
                ggp(6),
                hello(7),
                rip(8),
                is-is(9),
                es-is(10),
                ciscoIgrp(11),
                bbnSpfIgp(12),
                ospf(13),
                bgp(14)
            }
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The routing mechanism via which this route was
            learned.  Inclusion of values for gateway routing
            protocols is not intended to imply that hosts
            should support those protocols."
    ::= { ipRouteEntry 9 }

ipRouteAge OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "The number of seconds since this route was last
            updated or otherwise determined to be correct.
            Note that no semantics of `too old' can be implied
            except through knowledge of the routing protocol
            by which the route was learned."
    ::= { ipRouteEntry 10 }

ipRouteMask OBJECT-TYPE
    SYNTAX  IpAddress
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "Indicate the mask to be logical-ANDed with the
            destination address before being compared to the
            value in the ipRouteDest field.  For those systems
            that do not support arbitrary subnet masks, an
            agent constructs the value of the ipRouteMask by
            determining whether the value of the correspondent
            ipRouteDest field belong to a class-A, B, or C
            network, and then using one of:

mask           network
                 255.0.0.0      class-A
                 255.255.0.0    class-B
                 255.255.255.0  class-C

If the value of the ipRouteDest is 0.0.0.0 (a
            default route), then the mask value is also
            0.0.0.0.  It should be noted that all IP routing
            subsystems implicitly use this mechanism."
    ::= { ipRouteEntry 11 }

ipRouteMetric5 OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "An alternate routing metric for this route.  The
            semantics of this metric are determined by the
            routing-protocol specified in the route's
            ipRouteProto value.  If this metric is not used,
            its value should be set to -1."
    ::= { ipRouteEntry 12 }

ipRouteInfo OBJECT-TYPE
    SYNTAX  OBJECT IDENTIFIER
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "A reference to MIB definitions specific to the
            particular routing protocol which is responsible
            for this route, as determined by the value
            specified in the route's ipRouteProto value.  If
            this information is not present, its value should
            be set to the OBJECT IDENTIFIER { 0 0 }, which is
            a syntatically valid object identifier, and any
            conformant implementation of ASN.1 and BER must be
            able to generate and recognize this value."
    ::= { ipRouteEntry 13 }

-- the IP Address Translation table

-- The IP address translation table contain the IpAddress to
-- `physical' address equivalences.  Some interfaces do not
-- use translation tables for determining address
-- equivalences (e.g., DDN-X.25 has an algorithmic method);
-- if all interfaces are of this type, then the Address
-- Translation table is empty, i.e., has zero entries.

ipNetToMediaTable OBJECT-TYPE
    SYNTAX  SEQUENCE OF IpNetToMediaEntry
    ACCESS  not-accessible
    STATUS  mandatory
    DESCRIPTION
            "The IP Address Translation table used for mapping
            from IP addresses to physical addresses."
    ::= { ip 22 }

ipNetToMediaEntry OBJECT-TYPE
    SYNTAX  IpNetToMediaEntry
    ACCESS  not-accessible
    STATUS  mandatory
    DESCRIPTION
            "Each entry contains one IpAddress to `physical'
            address equivalence."
    INDEX   { ipNetToMediaIfIndex,
              ipNetToMediaNetAddress }
    ::= { ipNetToMediaTable 1 }

IpNetToMediaEntry ::=
    SEQUENCE {
        ipNetToMediaIfIndex
            INTEGER,
        ipNetToMediaPhysAddress
            PhysAddress,
        ipNetToMediaNetAddress
            IpAddress,
        ipNetToMediaType
            INTEGER
    }

ipNetToMediaIfIndex OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "The interface on which this entry's equivalence
            is effective.  The interface identified by a
            particular value of this index is the same
            interface as identified by the same value of
            ifIndex."
    ::= { ipNetToMediaEntry 1 }

ipNetToMediaPhysAddress OBJECT-TYPE
    SYNTAX  PhysAddress
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "The media-dependent `physical' address."
    ::= { ipNetToMediaEntry 2 }

ipNetToMediaNetAddress OBJECT-TYPE
    SYNTAX  IpAddress
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "The IpAddress corresponding to the media-
            dependent `physical' address."
    ::= { ipNetToMediaEntry 3 }

ipNetToMediaType OBJECT-TYPE
    SYNTAX  INTEGER {
                other(1),        -- none of the following
                invalid(2),      -- an invalidated mapping
                dynamic(3),
                static(4)
            }
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "The type of mapping.

Setting this object to the value invalid(2) has
            the effect of invalidating the corresponding entry
            in the ipNetToMediaTable.  That is, it effectively
            dissasociates the interface identified with said
            entry from the mapping identified with said entry.
            It is an implementation-specific matter as to
            whether the agent removes an invalidated entry
            from the table.  Accordingly, management stations
            must be prepared to receive tabular information
            from agents that corresponds to entries not
            currently in use.  Proper interpretation of such
            entries requires examination of the relevant
            ipNetToMediaType object."
    ::= { ipNetToMediaEntry 4 }

-- additional IP objects

ipRoutingDiscards OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of routing entries which were chosen
            to be discarded even though they are valid.  One
            possible reason for discarding such an entry could
            be to free-up buffer space for other routing

entries."
    ::= { ip 23 }

-- the ICMP group

-- Implementation of the ICMP group is mandatory for all
-- systems.

icmpInMsgs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of ICMP messages which the
            entity received.  Note that this counter includes
            all those counted by icmpInErrors."
    ::= { icmp 1 }

icmpInErrors OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP messages which the entity
            received but determined as having ICMP-specific
            errors (bad ICMP checksums, bad length, etc.)."
    ::= { icmp 2 }

icmpInDestUnreachs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Destination Unreachable
            messages received."
    ::= { icmp 3 }

icmpInTimeExcds OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Time Exceeded messages
            received."
    ::= { icmp 4 }

icmpInParmProbs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Parameter Problem messages
            received."
    ::= { icmp 5 }

icmpInSrcQuenchs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Source Quench messages
            received."
    ::= { icmp 6 }

icmpInRedirects OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Redirect messages received."
    ::= { icmp 7 }

icmpInEchos OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Echo (request) messages
            received."
    ::= { icmp 8 }

icmpInEchoReps OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Echo Reply messages received."
    ::= { icmp 9 }

icmpInTimestamps OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Timestamp (request) messages
            received."
    ::= { icmp 10 }

icmpInTimestampReps OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Timestamp Reply messages
            received."
    ::= { icmp 11 }

icmpInAddrMasks OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Address Mask Request messages
            received."
    ::= { icmp 12 }

icmpInAddrMaskReps OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Address Mask Reply messages
            received."
    ::= { icmp 13 }

icmpOutMsgs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of ICMP messages which this
            entity attempted to send.  Note that this counter
            includes all those counted by icmpOutErrors."
    ::= { icmp 14 }

icmpOutErrors OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP messages which this entity did
            not send due to problems discovered within ICMP

such as a lack of buffers.  This value should not
            include errors discovered outside the ICMP layer
            such as the inability of IP to route the resultant
            datagram.  In some implementations there may be no
            types of error which contribute to this counter's
            value."
    ::= { icmp 15 }

icmpOutDestUnreachs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Destination Unreachable
            messages sent."
    ::= { icmp 16 }

icmpOutTimeExcds OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Time Exceeded messages sent."
    ::= { icmp 17 }

icmpOutParmProbs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Parameter Problem messages
            sent."
    ::= { icmp 18 }

icmpOutSrcQuenchs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Source Quench messages sent."
    ::= { icmp 19 }

icmpOutRedirects OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Redirect messages sent.  For a

host, this object will always be zero, since hosts
            do not send redirects."
    ::= { icmp 20 }

icmpOutEchos OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Echo (request) messages sent."
    ::= { icmp 21 }

icmpOutEchoReps OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Echo Reply messages sent."
    ::= { icmp 22 }

icmpOutTimestamps OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Timestamp (request) messages
            sent."
    ::= { icmp 23 }

icmpOutTimestampReps OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Timestamp Reply messages
            sent."
    ::= { icmp 24 }

icmpOutAddrMasks OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Address Mask Request messages
            sent."
    ::= { icmp 25 }

icmpOutAddrMaskReps OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of ICMP Address Mask Reply messages
            sent."
    ::= { icmp 26 }

-- the TCP group

-- Implementation of the TCP group is mandatory for all
-- systems that implement the TCP.

-- Note that instances of object types that represent
-- information about a particular TCP connection are
-- transient; they persist only as long as the connection
-- in question.

tcpRtoAlgorithm OBJECT-TYPE
    SYNTAX  INTEGER {
                other(1),    -- none of the following

constant(2), -- a constant rto
                rsre(3),     -- MIL-STD-1778, Appendix B
                vanj(4)      -- Van Jacobson's algorithm [10]
            }
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The algorithm used to determine the timeout value
            used for retransmitting unacknowledged octets."
    ::= { tcp 1 }

tcpRtoMin OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The minimum value permitted by a TCP
            implementation for the retransmission timeout,
            measured in milliseconds.  More refined semantics
            for objects of this type depend upon the algorithm
            used to determine the retransmission timeout.  In
            particular, when the timeout algorithm is rsre(3),
            an object of this type has the semantics of the
            LBOUND quantity described in RFC 793."
    ::= { tcp 2 }

tcpRtoMax OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The maximum value permitted by a TCP
            implementation for the retransmission timeout,
            measured in milliseconds.  More refined semantics
            for objects of this type depend upon the algorithm
            used to determine the retransmission timeout.  In
            particular, when the timeout algorithm is rsre(3),
            an object of this type has the semantics of the
            UBOUND quantity described in RFC 793."
    ::= { tcp 3 }

tcpMaxConn OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The limit on the total number of TCP connections
            the entity can support.  In entities where the
            maximum number of connections is dynamic, this
            object should contain the value -1."
    ::= { tcp 4 }

tcpActiveOpens OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of times TCP connections have made a
            direct transition to the SYN-SENT state from the
            CLOSED state."
    ::= { tcp 5 }

tcpPassiveOpens OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of times TCP connections have made a
            direct transition to the SYN-RCVD state from the
            LISTEN state."
    ::= { tcp 6 }

tcpAttemptFails OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of times TCP connections have made a
            direct transition to the CLOSED state from either
            the SYN-SENT state or the SYN-RCVD state, plus the
            number of times TCP connections have made a direct
            transition to the LISTEN state from the SYN-RCVD
            state."
    ::= { tcp 7 }

tcpEstabResets OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of times TCP connections have made a
            direct transition to the CLOSED state from either
            the ESTABLISHED state or the CLOSE-WAIT state."
    ::= { tcp 8 }

tcpCurrEstab OBJECT-TYPE
    SYNTAX  Gauge
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of TCP connections for which the
            current state is either ESTABLISHED or CLOSE-
            WAIT."
    ::= { tcp 9 }

tcpInSegs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of segments received, including
            those received in error.  This count includes
            segments received on currently established
            connections."
    ::= { tcp 10 }

tcpOutSegs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of segments sent, including
            those on current connections but excluding those
            containing only retransmitted octets."
    ::= { tcp 11 }

tcpRetransSegs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of segments retransmitted - that
            is, the number of TCP segments transmitted
            containing one or more previously transmitted
            octets."
    ::= { tcp 12 }

-- the TCP Connection table

-- The TCP connection table contains information about this
-- entity's existing TCP connections.

tcpConnTable OBJECT-TYPE
    SYNTAX  SEQUENCE OF TcpConnEntry
    ACCESS  not-accessible
    STATUS  mandatory
    DESCRIPTION
            "A table containing TCP connection-specific
            information."
    ::= { tcp 13 }

tcpConnEntry OBJECT-TYPE
    SYNTAX  TcpConnEntry
    ACCESS  not-accessible
    STATUS  mandatory
    DESCRIPTION
            "Information about a particular current TCP
            connection.  An object of this type is transient,
            in that it ceases to exist when (or soon after)
            the connection makes the transition to the CLOSED
            state."
    INDEX   { tcpConnLocalAddress,
              tcpConnLocalPort,
              tcpConnRemAddress,
              tcpConnRemPort }
    ::= { tcpConnTable 1 }

TcpConnEntry ::=
    SEQUENCE {
        tcpConnState
            INTEGER,
        tcpConnLocalAddress
            IpAddress,
        tcpConnLocalPort
            INTEGER (0..65535),
        tcpConnRemAddress
            IpAddress,
        tcpConnRemPort
            INTEGER (0..65535)
    }

tcpConnState OBJECT-TYPE
    SYNTAX  INTEGER {
                closed(1),
                listen(2),
                synSent(3),
                synReceived(4),
                established(5),
                finWait1(6),
                finWait2(7),
                closeWait(8),
                lastAck(9),
                closing(10),
                timeWait(11),
                deleteTCB(12)
            }
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "The state of this TCP connection.

The only value which may be set by a management
            station is deleteTCB(12).  Accordingly, it is
            appropriate for an agent to return a `badValue'
            response if a management station attempts to set
            this object to any other value.

If a management station sets this object to the
            value deleteTCB(12), then this has the effect of
            deleting the TCB (as defined in RFC 793) of the
            corresponding connection on the managed node,
            resulting in immediate termination of the
            connection.

As an implementation-specific option, a RST

segment may be sent from the managed node to the
            other TCP endpoint (note however that RST segments
            are not sent reliably)."
    ::= { tcpConnEntry 1 }

tcpConnLocalAddress OBJECT-TYPE
    SYNTAX  IpAddress
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The local IP address for this TCP connection.  In
            the case of a connection in the listen state which
            is willing to accept connections for any IP
            interface associated with the node, the value
            0.0.0.0 is used."
    ::= { tcpConnEntry 2 }

tcpConnLocalPort OBJECT-TYPE
    SYNTAX  INTEGER (0..65535)
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The local port number for this TCP connection."
    ::= { tcpConnEntry 3 }

tcpConnRemAddress OBJECT-TYPE
    SYNTAX  IpAddress
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The remote IP address for this TCP connection."
    ::= { tcpConnEntry 4 }

tcpConnRemPort OBJECT-TYPE
    SYNTAX  INTEGER (0..65535)
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The remote port number for this TCP connection."
    ::= { tcpConnEntry 5 }

-- additional TCP objects

tcpInErrs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of segments received in error
            (e.g., bad TCP checksums)."
    ::= { tcp 14 }

tcpOutRsts OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of TCP segments sent containing the
            RST flag."
    ::= { tcp 15 }

-- the UDP group

-- Implementation of the UDP group is mandatory for all
-- systems which implement the UDP.

udpInDatagrams OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of UDP datagrams delivered to
            UDP users."
    ::= { udp 1 }

udpNoPorts OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of received UDP datagrams for
            which there was no application at the destination
            port."
    ::= { udp 2 }

udpInErrors OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of received UDP datagrams that could
            not be delivered for reasons other than the lack
            of an application at the destination port."
    ::= { udp 3 }

udpOutDatagrams OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of UDP datagrams sent from this
            entity."
    ::= { udp 4 }

-- the UDP Listener table

-- The UDP listener table contains information about this
-- entity's UDP end-points on which a local application is
-- currently accepting datagrams.

udpTable OBJECT-TYPE
    SYNTAX  SEQUENCE OF UdpEntry
    ACCESS  not-accessible
    STATUS  mandatory
    DESCRIPTION
            "A table containing UDP listener information."
    ::= { udp 5 }

udpEntry OBJECT-TYPE
    SYNTAX  UdpEntry
    ACCESS  not-accessible
    STATUS  mandatory
    DESCRIPTION
            "Information about a particular current UDP
            listener."
    INDEX   { udpLocalAddress, udpLocalPort }
    ::= { udpTable 1 }

UdpEntry ::=
    SEQUENCE {
        udpLocalAddress
            IpAddress,
        udpLocalPort
            INTEGER (0..65535)
    }

udpLocalAddress OBJECT-TYPE
    SYNTAX  IpAddress
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The local IP address for this UDP listener.  In

the case of a UDP listener which is willing to
            accept datagrams for any IP interface associated
            with the node, the value 0.0.0.0 is used."
    ::= { udpEntry 1 }

udpLocalPort OBJECT-TYPE
    SYNTAX  INTEGER (0..65535)
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The local port number for this UDP listener."
    ::= { udpEntry 2 }

-- the EGP group

-- Implementation of the EGP group is mandatory for all
-- systems which implement the EGP.

egpInMsgs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of EGP messages received without
            error."
    ::= { egp 1 }

egpInErrors OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of EGP messages received that proved
            to be in error."
    ::= { egp 2 }

egpOutMsgs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of locally generated EGP
            messages."
    ::= { egp 3 }

egpOutErrors OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of locally generated EGP messages not
            sent due to resource limitations within an EGP
            entity."
    ::= { egp 4 }

-- the EGP Neighbor table

-- The EGP neighbor table contains information about this
-- entity's EGP neighbors.

egpNeighTable OBJECT-TYPE
    SYNTAX  SEQUENCE OF EgpNeighEntry
    ACCESS  not-accessible
    STATUS  mandatory
    DESCRIPTION
            "The EGP neighbor table."
    ::= { egp 5 }

egpNeighEntry OBJECT-TYPE
    SYNTAX  EgpNeighEntry
    ACCESS  not-accessible
    STATUS  mandatory
    DESCRIPTION
            "Information about this entity's relationship with
            a particular EGP neighbor."
    INDEX   { egpNeighAddr }
    ::= { egpNeighTable 1 }

EgpNeighEntry ::=
    SEQUENCE {
        egpNeighState
            INTEGER,
        egpNeighAddr
            IpAddress,
        egpNeighAs
            INTEGER,
        egpNeighInMsgs
            Counter,
        egpNeighInErrs
            Counter,
        egpNeighOutMsgs
            Counter,
        egpNeighOutErrs
            Counter,
        egpNeighInErrMsgs
            Counter,
        egpNeighOutErrMsgs
            Counter,
        egpNeighStateUps
            Counter,
        egpNeighStateDowns
            Counter,
        egpNeighIntervalHello
            INTEGER,
        egpNeighIntervalPoll
            INTEGER,
        egpNeighMode
            INTEGER,
        egpNeighEventTrigger
            INTEGER
    }

egpNeighState OBJECT-TYPE
    SYNTAX  INTEGER {
                idle(1),
                acquisition(2),
                down(3),
                up(4),
                cease(5)
            }
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The EGP state of the local system with respect to
            this entry's EGP neighbor.  Each EGP state is
            represented by a value that is one greater than
            the numerical value associated with said state in
            RFC 904."
    ::= { egpNeighEntry 1 }

egpNeighAddr OBJECT-TYPE
    SYNTAX  IpAddress
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The IP address of this entry's EGP neighbor."
    ::= { egpNeighEntry 2 }

egpNeighAs OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The autonomous system of this EGP peer.  Zero
            should be specified if the autonomous system
            number of the neighbor is not yet known."
    ::= { egpNeighEntry 3 }

egpNeighInMsgs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of EGP messages received without error
            from this EGP peer."
    ::= { egpNeighEntry 4 }

egpNeighInErrs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of EGP messages received from this EGP
            peer that proved to be in error (e.g., bad EGP
            checksum)."
    ::= { egpNeighEntry 5 }

egpNeighOutMsgs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of locally generated EGP messages to
            this EGP peer."
    ::= { egpNeighEntry 6 }

egpNeighOutErrs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of locally generated EGP messages not
            sent to this EGP peer due to resource limitations
            within an EGP entity."
    ::= { egpNeighEntry 7 }

egpNeighInErrMsgs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of EGP-defined error messages received
            from this EGP peer."
    ::= { egpNeighEntry 8 }

egpNeighOutErrMsgs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of EGP-defined error messages sent to
            this EGP peer."
    ::= { egpNeighEntry 9 }

egpNeighStateUps OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of EGP state transitions to the UP
            state with this EGP peer."
    ::= { egpNeighEntry 10 }

egpNeighStateDowns OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The number of EGP state transitions from the UP
            state to any other state with this EGP peer."
    ::= { egpNeighEntry 11 }

egpNeighIntervalHello OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The interval between EGP Hello command
            retransmissions (in hundredths of a second).  This
            represents the t1 timer as defined in RFC 904."
    ::= { egpNeighEntry 12 }

egpNeighIntervalPoll OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The interval between EGP poll command

retransmissions (in hundredths of a second).  This
            represents the t3 timer as defined in RFC 904."
    ::= { egpNeighEntry 13 }

egpNeighMode OBJECT-TYPE
    SYNTAX  INTEGER { active(1), passive(2) }
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The polling mode of this EGP entity, either
            passive or active."
    ::= { egpNeighEntry 14 }

egpNeighEventTrigger OBJECT-TYPE
    SYNTAX  INTEGER { start(1), stop(2) }
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "A control variable used to trigger operator-
            initiated Start and Stop events.  When read, this
            variable always returns the most recent value that
            egpNeighEventTrigger was set to.  If it has not
            been set since the last initialization of the
            network management subsystem on the node, it
            returns a value of `stop'.

When set, this variable causes a Start or Stop
            event on the specified neighbor, as specified on
            pages 8-10 of RFC 904.  Briefly, a Start event
            causes an Idle peer to begin neighbor acquisition
            and a non-Idle peer to reinitiate neighbor
            acquisition.  A stop event causes a non-Idle peer
            to return to the Idle state until a Start event
            occurs, either via egpNeighEventTrigger or
            otherwise."
    ::= { egpNeighEntry 15 }

-- additional EGP objects

egpAs OBJECT-TYPE
    SYNTAX  INTEGER
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The autonomous system number of this EGP entity."
    ::= { egp 6 }

-- the Transmission group

-- Based on the transmission media underlying each interface
-- on a system, the corresponding portion of the Transmission
-- group is mandatory for that system.

-- When Internet-standard definitions for managing
-- transmission media are defined, the transmission group is
-- used to provide a prefix for the names of those objects.

-- Typically, such definitions reside in the experimental
-- portion of the MIB until they are "proven", then as a
-- part of the Internet standardization process, the
-- definitions are accordingly elevated and a new object
-- identifier, under the transmission group is defined. By
-- convention, the name assigned is:
--
--     type OBJECT IDENTIFIER    ::= { transmission number }
--
-- where "type" is the symbolic value used for the media in
-- the ifType column of the ifTable object, and "number" is
-- the actual integer value corresponding to the symbol.

-- the SNMP group

-- Implementation of the SNMP group is mandatory for all
-- systems which support an SNMP protocol entity.  Some of
-- the objects defined below will be zero-valued in those
-- SNMP implementations that are optimized to support only
-- those functions specific to either a management agent or
-- a management station.  In particular, it should be
-- observed that the objects below refer to an SNMP entity,
-- and there may be several SNMP entities residing on a
-- managed node (e.g., if the node is hosting acting as
-- a management station).

snmpInPkts OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of Messages delivered to the
            SNMP entity from the transport service."
    ::= { snmp 1 }

snmpOutPkts OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP Messages which were
            passed from the SNMP protocol entity to the
            transport service."
    ::= { snmp 2 }

snmpInBadVersions OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP Messages which were
            delivered to the SNMP protocol entity and were for
            an unsupported SNMP version."
    ::= { snmp 3 }

snmpInBadCommunityNames OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP Messages delivered to
            the SNMP protocol entity which used a SNMP
            community name not known to said entity."
    ::= { snmp 4 }

snmpInBadCommunityUses OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP Messages delivered to
            the SNMP protocol entity which represented an SNMP
            operation which was not allowed by the SNMP
            community named in the Message."
    ::= { snmp 5 }

snmpInASNParseErrs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of ASN.1 or BER errors
            encountered by the SNMP protocol entity when
            decoding received SNMP Messages."
    ::= { snmp 6 }

-- { snmp 7 } is not used

snmpInTooBigs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP PDUs which were
            delivered to the SNMP protocol entity and for
            which the value of the error-status field is
            `tooBig'."
    ::= { snmp 8 }

snmpInNoSuchNames OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP PDUs which were
            delivered to the SNMP protocol entity and for
            which the value of the error-status field is
            `noSuchName'."
    ::= { snmp 9 }

snmpInBadValues OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP PDUs which were
            delivered to the SNMP protocol entity and for
            which the value of the error-status field is
            `badValue'."
    ::= { snmp 10 }

snmpInReadOnlys OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number valid SNMP PDUs which were
            delivered to the SNMP protocol entity and for
            which the value of the error-status field is
            `readOnly'.  It should be noted that it is a
            protocol error to generate an SNMP PDU which
            contains the value `readOnly' in the error-status
            field, as such this object is provided as a means
            of detecting incorrect implementations of the

SNMP."
    ::= { snmp 11 }

snmpInGenErrs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP PDUs which were
            delivered to the SNMP protocol entity and for
            which the value of the error-status field is
            `genErr'."
    ::= { snmp 12 }

snmpInTotalReqVars OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of MIB objects which have been
            retrieved successfully by the SNMP protocol entity
            as the result of receiving valid SNMP Get-Request
            and Get-Next PDUs."
    ::= { snmp 13 }

snmpInTotalSetVars OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of MIB objects which have been
            altered successfully by the SNMP protocol entity
            as the result of receiving valid SNMP Set-Request
            PDUs."
    ::= { snmp 14 }

snmpInGetRequests OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP Get-Request PDUs which
            have been accepted and processed by the SNMP
            protocol entity."
    ::= { snmp 15 }

snmpInGetNexts OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP Get-Next PDUs which have
            been accepted and processed by the SNMP protocol
            entity."
    ::= { snmp 16 }

snmpInSetRequests OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP Set-Request PDUs which
            have been accepted and processed by the SNMP
            protocol entity."
    ::= { snmp 17 }

snmpInGetResponses OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP Get-Response PDUs which
            have been accepted and processed by the SNMP
            protocol entity."
    ::= { snmp 18 }

snmpInTraps OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP Trap PDUs which have
            been accepted and processed by the SNMP protocol
            entity."
    ::= { snmp 19 }

snmpOutTooBigs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP PDUs which were
            generated by the SNMP protocol entity and for
            which the value of the error-status field is
            `tooBig.'"
    ::= { snmp 20 }

snmpOutNoSuchNames OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP PDUs which were
            generated by the SNMP protocol entity and for
            which the value of the error-status is
            `noSuchName'."
    ::= { snmp 21 }

snmpOutBadValues OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP PDUs which were
            generated by the SNMP protocol entity and for
            which the value of the error-status field is
            `badValue'."
    ::= { snmp 22 }

-- { snmp 23 } is not used

snmpOutGenErrs OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP PDUs which were
            generated by the SNMP protocol entity and for
            which the value of the error-status field is
            `genErr'."
    ::= { snmp 24 }

snmpOutGetRequests OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP Get-Request PDUs which
            have been generated by the SNMP protocol entity."
    ::= { snmp 25 }

snmpOutGetNexts OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP Get-Next PDUs which have
            been generated by the SNMP protocol entity."
    ::= { snmp 26 }

snmpOutSetRequests OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP Set-Request PDUs which
            have been generated by the SNMP protocol entity."
    ::= { snmp 27 }

snmpOutGetResponses OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP Get-Response PDUs which
            have been generated by the SNMP protocol entity."
    ::= { snmp 28 }

snmpOutTraps OBJECT-TYPE
    SYNTAX  Counter
    ACCESS  read-only
    STATUS  mandatory
    DESCRIPTION
            "The total number of SNMP Trap PDUs which have
            been generated by the SNMP protocol entity."
    ::= { snmp 29 }

snmpEnableAuthenTraps OBJECT-TYPE
    SYNTAX  INTEGER { enabled(1), disabled(2) }
    ACCESS  read-write
    STATUS  mandatory
    DESCRIPTION
            "Indicates whether the SNMP agent process is
            permitted to generate authentication-failure
            traps.  The value of this object overrides any
            configuration information; as such, it provides a
            means whereby all authentication-failure traps may
            be disabled.

Note that it is strongly recommended that this
            object be stored in non-volatile memory so that it
            remains constant between re-initializations of the
            network management system."
    ::= { snmp 30 }

END

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