rfc1024.txt

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    OBJECT:  bcastPktsIn

    Type:  Counter

    Definition:  The number of broadcast packets received including
        those in error.

    Object Status:  Encouraged on interfaces that support broadcast.


    OBJECT:  bcastPktsOut

    Type:  Counter

    Definition:  The number of broadcast packets that higher levels
        attempted to send, including those that were not sent.

    Object Status:  Encouraged on interfaces that support broadcast.



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RFC 1024                    HEMS Definitions                October 1987


    OBJECT:  mcastPktsIn

    Type:  Counter

    Definition:  The number of multicast packets received including
        those in error.

    Object Status:  Encouraged on interfaces that support multicast.



    OBJECT:  mcastPktsOut

    Type:  Counter

    Definition: The number of multicast packets sent, including those
        that were not sent.

    Object Status:  Encouraged on interfaces that support multicast.


    OBJECT:  inputErrors

    Type:  Counter

    Definition: The number of inbound packets that could not be
        delivered.  The number of inbound packets delivered
        should equal inputPkts less this value and inputPktsDropped.

    OBJECT:  outputErrors

    Type:  Counter

    Definition:  The number of outbound packets that could not be
        transmitted because of errors.  The number of outbound
        packets placed on the network should equal outputPkts
        less this value and outputPktsDropped.

    OBJECT:  outputQLen

    Type:  INTEGER

    Definition:  The length of the output packet queue (in packets).


    OBJECT:  name

    Type:  IA5String



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RFC 1024                    HEMS Definitions                October 1987


    Definition:  A text string completely identifying the interface.
        This string should include the name of the manufacturer, the
        product name and the version of the hardware.

    OBJECT:  status

    Type:  INTEGER

    Definition:  The status of the object.  The status values are:

                0 -- reserved
                1 -- testing (the interface is in some test mode)
                2 -- down  (the interface is down)
                3 -- up  (the interface is up ready to pass packets)

    Note:  If set operations are defined, access control is required.

    Operations on Object:  The defaults except as noted below.

       SET:  Optionally defined to change the state of the interface.

    OBJECT:  ifType

    Type:  INTEGER

    Definition: A flag which indicates the type of interface in use.  The
        currently defined types are:

                     0 -- reserved
                     1 -- 1822 HDH
                     2 -- 1822
                     3 -- FDDI
                     4 -- DDN X.25
                     5 -- RFC-877 X.25
                     6 -- StarLan
                     7 -- Proteon 10Mbit
                     8 -- Proteon 80Mbit
                     9 -- Ethernet
                    10 -- 802.3 Ethernet
                    11 -- 802.4 Token Bus
                    12 -- 802.5 Token Ring
                    13 -- Point-to-Point Serial

    OBJECT:  mediaErrors

    Type:  Counter





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RFC 1024                    HEMS Definitions                October 1987


    Definition:  A counter of media errors, such as collisions on
        Ethernets, token regeneration on token passing rings, or lost
        RFNMs on PSNs.

    Object Status:  Encouraged for interfaces to media which have such
        errors.


    OBJECT:  upTime

    Type:  TimeStamp

    Definition:  When the interface was put in its current state.


    OBJECT:  broadcast

    Type:  BITSTRING

    Definition:  Whether this interface has a physical broadcast
        address.

    Object Status:  Required if the interface has a broadcast adddress.


    OBJECT:  multicast

    Type:  SET of BITSTRING

    Definition: The set of hardware multicast addresses currently
        enabled on the device.

    Object Status:  Encouraged in interfaces which support multicast.



    OBJECT:  addressList

    Definition:  SET of addressMap

         addressMap ::= [0] IMPLICIT SET {
                 ipAddr     [0] IMPLICIT IpAddress
                 physAddr   [1] IMPLICIT BITSTRING
         }

    Definition:  Most interfaces maintain tables mapping physical
        network address to IP address.  An example is an ARP table.
        This table stores that map as a series of entries which map



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RFC 1024                    HEMS Definitions                October 1987


        IP addresses to the physical address.

    Object Status:  Required if the interface has to map IP addresses to
        physical addresses.

The IpNetworkLayer Dictionary

    The IpNetworkLayer dictionary contains all information about the IP
    Layer.  The format of the dictionary is shown below.

            IpNetworkLayer ::= [APPLICATION 36] IMPLICIT SET {
                gateway           [0] IMPLICIT BOOLEAN,
                inputPkts         [1] IMPLICIT Counter,
                inputErrors       [2] IMPLICIT Counter,
                inputPktsDropped  [3] IMPLICIT Counter,
                inputQLen         [4] IMPLICIT INTEGER OPTIONAL,
                outputPkts        [5] IMPLICIT Counter,
                outputErrors      [6] IMPLICIT Counter,
                outputPktsDropped [7] IMPLICIT Counter,
                outputQLen        [8] IMPLICIT INTEGER OPTIONAL,
                ipID              [9] IMPLICIT Counter,
                fragCreated       [10] IMPLICIT Counter OPTIONAL,
                fragRcvd          [11] IMPLICIT Counter OPTIONAL,
                fragDropped       [12] IMPLICIT Counter OPTIONAL,
                pktsReassembled   [13] IMPLICIT Counter OPTIONAL,
                pktsFragmented    [14] IMPLICIT Counter OPTIONAL,
                htm               [15] IMPLICIT TrafficMatrix OPTIONAL,
                itm               [16] IMPLICIT TrafficMatrix OPTIONAL
            }

    OBJECT:  IpNetworkLayer

    Type:  SET

    Definition:  See above.


    The fields of the dictionary are defined below.


    OBJECT:  gateway

    Type:  BOOLEAN

    Definition: A boolean value which is true if the entity gateways
        packets.





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RFC 1024                    HEMS Definitions                October 1987


    OBJECT: inputPkts

    Type: Counter

    Definition: The total number of input packets received including
        those in error.


    OBJECT: inputErrors

    Type: Counter

    Definition:  The number of input packets discarded due to errors
        (unknown protocols, format errors, etc).


    OBJECT:  inputPktsDropped

    Type:  Counter

    Definition: The number of input packets dropped for lack of buffer
        space.


    OBJECT:  inputQLen

    Type:  INTEGER

    Definition:  The number of inbound packets currently waiting to be
        processed by the IP layer.

    Object Status:  Encouraged.


    OBJECT:  outputPkts

    Type:  Counter

    Definition:  The total number of outbound packets including both
        those packets presented to the IP layer by higher layers and
        packets which are gatewayed.


    OBJECT:  outputErrors

    Type:  Counter

    Definition:  The number of output packets discarded because of



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RFC 1024                    HEMS Definitions                October 1987


        errors (unable to route, format errors, etc).


    OBJECT:  outputPktsDropped

    Type: Counter

    Definition:  The number of output packets dropped for lack of
        buffer space.


    OBJECT:  outputQLen

    Type:  INTEGER

    Definition: The number of outbound packets waiting to be processed
        by the IP layer.

    Object Status:  Encouraged.


    OBJECT:  ipID

    Type:  Counter

    Definition:  The next IP packet ID identifier to be used.  Note
        that in some implementations the transport layer may set the
        IP identifier, in which case this value is used if the IP
        identifier has not been set by the transport layer.

    OBJECT:  fragCreated

    Type:  Counter

    Definition:  The number of IP fragments created at this entity.
        (e.g., if an IP is split into three fragments at this entity,
        then this counter is incremented by three).

    Object Status:  Encouraged.


    OBJECT:  fragRcvd

    Type:  Counter

    Definition:  The number of IP fragments received at this entity.

    Object Status:  Encouraged.



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RFC 1024                    HEMS Definitions                October 1987


    OBJECT:  fragDropped

    Type:  Counter

    Definition:  The number of IP fragments discarded at this entity
        for whatever reason (timed out, errors, etc).

    Object Status:  Encouraged.


    OBJECT:  pktsReassembled

    Type:  Counter

    Definition:  The number of IP datagrams that have been reassembled
        at this entity.

    Object Status:  Encouraged


    OBJECT:  pktsFragmented

    Type:  Counter

    Definition:  The number of IP datagrams that have been fragmented
        at this entity.

    Object Status:  Encouraged.


    OBJECT:  htm

    Type:  TrafficMatrix

    Definition:  A host traffic matrix, mapping all traffic switched any
        pair of sources and destinations.  The count in each trafficEntry
        routeDst is expressed in packets.  Source routed IP packets
        should be logged as being between their source and the
        destination (i.e., they should not be treated as destined for
        this entity).

    Notes:  This information may be considered sensitive.

    Object Status:  Encouraged in gateways.



    OBJECT:  itm



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RFC 1024                    HEMS Definitions                October 1987


    Type:  TrafficMatrix

    Definition: An interface traffic matrix showing traffic switched