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             The Address Translation tables contain the IP address 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."
    ::= { cIp 3 }

cInetNetToMediaEntry OBJECT-TYPE
    SYNTAX     CInetNetToMediaEntry
    MAX-ACCESS not-accessible
    STATUS     current
    DESCRIPTION
            "Each entry contains one IP address to `physical' address
             equivalence."
    INDEX       { ifIndex,
                  cInetNetToMediaNetAddressType,
                  cInetNetToMediaNetAddress }
    ::= { cInetNetToMediaTable 1 }

CInetNetToMediaEntry ::= SEQUENCE {
        cInetNetToMediaNetAddressType  InetAddressType,
        cInetNetToMediaNetAddress      InetAddress,
        cInetNetToMediaPhysAddress     PhysAddress,
        cInetNetToMediaLastUpdated     TimeStamp,
        cInetNetToMediaType            INTEGER,
        cInetNetToMediaState           INTEGER
    }

cInetNetToMediaNetAddressType OBJECT-TYPE
    SYNTAX     InetAddressType
    MAX-ACCESS not-accessible
    STATUS     current
    DESCRIPTION
            "The type of cInetNetToMediaNetAddress."
    ::= { cInetNetToMediaEntry 1 }

cInetNetToMediaNetAddress OBJECT-TYPE
    SYNTAX     InetAddress (SIZE(0..36))
    MAX-ACCESS not-accessible
    STATUS     current
    DESCRIPTION
            "The IP Address corresponding to the media-dependent
             `physical' address."
    ::= { cInetNetToMediaEntry 2 }

cInetNetToMediaPhysAddress OBJECT-TYPE
    SYNTAX     PhysAddress
    MAX-ACCESS read-create
    STATUS     current
    DESCRIPTION
            "The media-dependent `physical' address."
    ::= { cInetNetToMediaEntry 3 }

cInetNetToMediaLastUpdated OBJECT-TYPE
    SYNTAX     TimeStamp
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
            "The value of sysUpTime at the time this entry was last
             updated.  If this entry was updated prior to the last re-
             initialization of the local network management subsystem,
             then this object contains a zero value."
    ::= { cInetNetToMediaEntry 4 }

cInetNetToMediaType OBJECT-TYPE
    SYNTAX     INTEGER {
                other(1),        -- none of the following
                invalid(2),      -- an invalidated mapping
                dynamic(3),
                static(4),
                local(5)         -- local interface
            }
    MAX-ACCESS read-create
    STATUS     current
    DESCRIPTION
            "The type of mapping.

             Setting this object to the value invalid(2) has the
             effect of invalidating the corresponding entry in the
             cInetNetToMediaTable.  That is, it effectively
             disassociates 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
             cInetNetToMediaType object.

             The 'dynamic(3)' type indicates that the IP address to
             physical addresses mapping has been dynamically resolved
             using e.g. IPv4 ARP or the IPv6 Neighbor Discovery
             protocol.

             The 'static(4)' type indicates that the mapping has been
             statically configured.  The 'local(5)' type indicates
             that the mapping is provided for an entity's own
             interface address."
    ::= { cInetNetToMediaEntry 5 }

cInetNetToMediaState OBJECT-TYPE
    SYNTAX     INTEGER {
                   reachable(1), -- confirmed reachability
                   stale(2),     -- unconfirmed reachability
                   delay(3),     -- waiting for reachability
                                 -- confirmation before entering
                                 -- the probe state
                   probe(4),     -- actively probing
                   invalid(5),   -- an invalidated mapping
                   unknown(6),   -- state can not be determined
                                 -- for some reason.
                   incomplete(7) -- address resolution is being
                                 -- performed.
              }
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
            "The Neighbor Unreachability Detection [3] state for the
             interface when the address mapping in this entry is used.