741 lines
29 KiB
Plaintext
741 lines
29 KiB
Plaintext
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-- extracted from rfc1284.txt
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-- at Mon Nov 15 17:11:59 1999
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RFC1284-MIB DEFINITIONS ::= BEGIN
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IMPORTS
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Counter, Gauge
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FROM RFC1155-SMI
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transmission
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FROM RFC1213-MIB
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OBJECT-TYPE
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FROM RFC-1212;
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-- This MIB module uses the extended OBJECT-TYPE macro as
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-- defined in [13]
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-- this is the MIB module for ethernet-like objects
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dot3 OBJECT IDENTIFIER ::= { transmission 7 }
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-- the Generic Ethernet-like group
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-- Implementation of this group is mandatory for all systems
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-- that attach to an ethernet-like medium.
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dot3Table OBJECT-TYPE
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SYNTAX SEQUENCE OF Dot3Entry
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ACCESS not-accessible
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STATUS mandatory
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DESCRIPTION
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"Status information and control variables for a
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collection of ethernet-like interfaces attached to
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a particular system."
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::= { dot3 1 }
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dot3Entry OBJECT-TYPE
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SYNTAX Dot3Entry
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ACCESS not-accessible
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STATUS mandatory
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DESCRIPTION
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"Status information and control variables for a
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particular interface to an ethernet-like medium."
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INDEX { dot3Index }
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::= { dot3Table 1 }
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Dot3Entry ::=
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SEQUENCE {
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dot3Index
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INTEGER,
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dot3InitializeMac
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INTEGER,
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dot3MacSubLayerStatus
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INTEGER,
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dot3MulticastReceiveStatus
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INTEGER,
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dot3TxEnabled
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INTEGER,
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dot3TestTdrValue
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Gauge
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}
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dot3Index OBJECT-TYPE
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SYNTAX INTEGER
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"An index value that uniquely identifies an
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interface to an ethernet-like medium. The
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interface identified by a particular value of this
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index is the same interface as identified by the
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same value of ifIndex."
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::= { dot3Entry 1 }
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dot3InitializeMac OBJECT-TYPE
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SYNTAX INTEGER { initialized(1), uninitialized(2) }
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ACCESS read-write
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STATUS mandatory
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DESCRIPTION
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"The initialization status of the MAC and PLS
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(Physical Layer Signalling) subsystems for a
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particular interface. The value initialized(1)
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signifies that the subsystems for a particular
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interface have been previously initialized; the
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value uninitialized(2) signifies that they have
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not been previously initialized.
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Each alteration of an instance of this object to
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either of the values initialized(1) or
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uninitialized(2) is analogous to an invocation of
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the initializeMAC action defined in [9] and has
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the effect of (re-)initializing the MAC and PLS
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subsystems for the associated interface. In
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particular,
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all management counters pertaining to the MAC
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and PLS subsystems for said interface are
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reset to zero;
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the receive and transmit layer management
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state variables (receiveEnabled and
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transmitEnabled in [9]) are set to enable
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reception and transmission of frames;
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the promiscuous receive function is disabled;
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and
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multicast reception is disabled."
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::= { dot3Entry 2 }
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dot3MacSubLayerStatus OBJECT-TYPE
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SYNTAX INTEGER { enabled(1), disabled(2) }
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ACCESS read-write
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STATUS mandatory
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DESCRIPTION
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"The operational status of the MAC sublayer for a
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particular interface. The value enabled(1)
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signifies that the MAC sublayer for said interface
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is operational for both transmitting and receiving
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frames -- that is, that the value of both the
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receive and transmit layer management state
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variables (receiveEnabled and transmitEnabled in
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[9]) for said interface are true. The value
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disabled(2) signifies that the MAC sublayer for
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said interface is not operational for either
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transmitting or receiving frames. In particular,
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the value of an instance of this object is
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disabled(2) whenever the value of the
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corresponding instance of the dot3Enabled object
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is false(2).
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Each alteration of an instance of this object to
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the value enabled(1) is analogous to an invocation
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of the enableMACSublayer action defined in [9] and
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has the effect of starting normal transmit and
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receive operations (from the ``idle'' state) on
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the associated interface. In particular, such an
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alteration has the effect of resetting the PLS for
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said interface and of setting the receive and
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transmit layer management state variables
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(receiveEnabled and transmitEnabled in [9]) to be
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true.
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Each alteration of an instance of this object to
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the value disabled(2) is analogous to an
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invocation of the disableMACSublayer action
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defined in [9] and has the effect of terminating
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transmit and receive operations on the associated
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interface. In particular, such an alteration has
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the effect of setting the receive and transmit
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layer management state variables (receiveEnabled
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and transmitEnabled in [9]) to be false. Any
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transmissions/receptions in progress are completed
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before operation is terminated."
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::= { dot3Entry 3 }
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dot3MulticastReceiveStatus OBJECT-TYPE
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SYNTAX INTEGER { enabled(1), disabled(2) }
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ACCESS read-write
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STATUS mandatory
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DESCRIPTION
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"The multicast receive status for a particular
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interface. The value enabled(1) signifies that
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reception of multicast frames by the MAC sublayer
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is enabled on said interface. The value
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disabled(2) signifies that reception of multicast
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frames by the MAC sublayer is not enabled on said
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interface.
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Each alteration of an instance of this object to
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the value enabled(1) is analogous to an invocation
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of the enableMulticastReceive action defined in
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[9] and has the effect of enabling multicast frame
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reception on the associated interface. Actual
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reception of multicast frames is only possible on
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an interface when the values for the associated
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instances of the dot3MulticastReceiveStatus and
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dot3MacSubLayerStatus objects are enabled(1) and
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enabled(1), respectively.
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Each alteration of an instance of this object to
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the value disabled(2) is analogous to an
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invocation of the disableMulticastReceive action
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defined in [9] and has the effect of inhibiting
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multicast frame reception on the associated
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interface."
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::= { dot3Entry 4 }
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dot3TxEnabled OBJECT-TYPE
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SYNTAX INTEGER { true(1), false(2) }
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ACCESS read-write
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STATUS mandatory
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DESCRIPTION
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"The transmit layer management state variable
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(transmitEnabled as defined in [9]) for a
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particular interface. The value true(1) signifies
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that the MAC frame transmission is enabled on said
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interface. The value false(2) signifies that the
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MAC frame transmission is inhibited on said
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interface. In particular, the value of an instance
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of this object is false(2) whenever the value of
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the corresponding instance of the
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dot3MacSubLayerStatus object is disabled(2).
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Each alteration of an instance of this object to
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the value true(1) is analogous to an invocation of
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the enableTransmit action defined in [9] and has
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the effect of enabling MAC sublayer frame
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transmission on the associated interface. In
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particular, such an alteration has the effect of
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setting the transmit layer management state
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variable (transmitEnabled in [9]) for said
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interface to be true.
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Each alteration of an instance of this object to
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the value false(2) is analogous to an invocation
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of the disableTransmit action defined in [9] and
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has the effect of inhibiting MAC sublayer frame
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transmission on the associated interface. In
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particular, such an alteration has the effect of
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setting the transmit layer management state
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variable (transmitEnabled in [9]) for said
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interface to be false. Any transmissions in
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progress are completed before transmission is
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inhibited."
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::= { dot3Entry 5 }
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dot3TestTdrValue OBJECT-TYPE
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SYNTAX Gauge
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"The number of 10 MHz ticks which elapsed between
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the beginning of a TDR measurement and the
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collision which ended it, for the most recently
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executed TDR test. If no TDR test has been
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executed, or the last TDR value is not available,
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this object has the value 0."
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::= { dot3Entry 6 }
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-- the Ethernet-like Statistics group
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-- Implementation of this group is mandatory
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-- Due to implementation restrictions (e.g. in the
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-- instrumentation provided by a chipset, or a device
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-- driver), some of the counters in this group may be
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-- difficult or impossible to implement.
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-- In such cases, an implementator should apply reasonable
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-- best effort to detect as many occurrences as possible.
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-- In any case, the value of a counter will be the number
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-- actually detected, which will always be less or equal
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-- to the number of actual occurrences. In the extreme
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-- case of a total inability to detect occurrences, the
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-- counter will always be zero.
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-- Vendors are strongly encouraged to document in user guides and
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-- other appropriate documentation the conditions under which the
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-- values of the counters in this group may represent an
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-- underestimate of the true count.
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dot3StatsTable OBJECT-TYPE
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SYNTAX SEQUENCE OF Dot3StatsEntry
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ACCESS not-accessible
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STATUS mandatory
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DESCRIPTION
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"Statistics for a collection of ethernet-like
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interfaces attached to a particular system."
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::= { dot3 2 }
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dot3StatsEntry OBJECT-TYPE
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SYNTAX Dot3StatsEntry
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ACCESS not-accessible
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STATUS mandatory
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DESCRIPTION
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"Statistics for a particular interface to an
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ethernet-like medium."
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INDEX { dot3StatsIndex }
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::= { dot3StatsTable 1 }
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Dot3StatsEntry ::=
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SEQUENCE {
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dot3StatsIndex
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INTEGER,
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dot3StatsAlignmentErrors
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Counter,
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dot3StatsFCSErrors
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Counter,
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dot3StatsSingleCollisionFrames
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Counter,
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dot3StatsMultipleCollisionFrames
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Counter,
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dot3StatsSQETestErrors
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Counter,
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dot3StatsDeferredTransmissions
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Counter,
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dot3StatsLateCollisions
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Counter,
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dot3StatsExcessiveCollisions
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Counter,
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dot3StatsInternalMacTransmitErrors
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Counter,
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dot3StatsCarrierSenseErrors
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Counter,
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dot3StatsExcessiveDeferrals
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Counter,
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dot3StatsFrameTooLongs
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Counter,
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dot3StatsInRangeLengthErrors
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Counter,
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dot3StatsOutOfRangeLengthFields
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Counter,
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dot3StatsInternalMacReceiveErrors
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Counter
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}
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dot3StatsIndex OBJECT-TYPE
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SYNTAX INTEGER
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ACCESS read-only
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STATUS mandatory
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DESCRIPTION
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"An index value that uniquely identifies an
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interface to an ethernet-like medium. The
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interface identified by a particular value of this
|
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index is the same interface as identified by the
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same value of ifIndex."
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::= { dot3StatsEntry 1 }
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dot3StatsAlignmentErrors OBJECT-TYPE
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SYNTAX Counter
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ACCESS read-only
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STATUS mandatory
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||
|
|
DESCRIPTION
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"A count of frames received on a particular
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interface that are not an integral number of
|
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octets in length and do not pass the FCS check.
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The count represented by an instance of this
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object is incremented when the alignmentError
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status is returned by the MAC service to the LLC
|
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(or other MAC user). Received frames for which
|
||
|
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multiple error conditions obtain are, according to
|
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the conventions of [9], counted exclusively
|
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|
according to the error status presented to the
|
||
|
|
LLC."
|
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|
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::= { dot3StatsEntry 2 }
|
||
|
|
|
||
|
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dot3StatsFCSErrors OBJECT-TYPE
|
||
|
|
SYNTAX Counter
|
||
|
|
ACCESS read-only
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"A count of frames received on a particular
|
||
|
|
interface that are an integral number of octets in
|
||
|
|
length but do not pass the FCS check.
|
||
|
|
|
||
|
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The count represented by an instance of this
|
||
|
|
object is incremented when the frameCheckError
|
||
|
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status is returned by the MAC service to the LLC
|
||
|
|
(or other MAC user). Received frames for which
|
||
|
|
multiple error conditions obtain are, according to
|
||
|
|
the conventions of [9], counted exclusively
|
||
|
|
according to the error status presented to the
|
||
|
|
LLC."
|
||
|
|
::= { dot3StatsEntry 3 }
|
||
|
|
|
||
|
|
dot3StatsSingleCollisionFrames OBJECT-TYPE
|
||
|
|
SYNTAX Counter
|
||
|
|
ACCESS read-only
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"A count of successfully transmitted frames on a
|
||
|
|
particular interface for which transmission is
|
||
|
|
inhibited by exactly one collision.
|
||
|
|
|
||
|
|
A frame that is counted by an instance of this
|
||
|
|
object is also counted by the corresponding
|
||
|
|
instance of either the ifOutUcastPkts or
|
||
|
|
ifOutNUcastPkts object and is not counted by the
|
||
|
|
corresponding instance of the
|
||
|
|
dot3StatsMultipleCollisionFrames object."
|
||
|
|
::= { dot3StatsEntry 4 }
|
||
|
|
|
||
|
|
dot3StatsMultipleCollisionFrames OBJECT-TYPE
|
||
|
|
SYNTAX Counter
|
||
|
|
ACCESS read-only
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"A count of successfully transmitted frames on a
|
||
|
|
particular interface for which transmission is
|
||
|
|
inhibited by more than one collision.
|
||
|
|
|
||
|
|
A frame that is counted by an instance of this
|
||
|
|
object is also counted by the corresponding
|
||
|
|
instance of either the ifOutUcastPkts or
|
||
|
|
ifOutNUcastPkts object and is not counted by the
|
||
|
|
corresponding instance of the
|
||
|
|
dot3StatsSingleCollisionFrames object."
|
||
|
|
::= { dot3StatsEntry 5 }
|
||
|
|
|
||
|
|
dot3StatsSQETestErrors OBJECT-TYPE
|
||
|
|
SYNTAX Counter
|
||
|
|
ACCESS read-only
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"A count of times that the SQE TEST ERROR message
|
||
|
|
is generated by the PLS sublayer for a particular
|
||
|
|
interface. The SQE TEST ERROR message is defined
|
||
|
|
in section 7.2.2.2.4 of [12] and its generation is
|
||
|
|
described in section 7.2.4.6 of the same
|
||
|
|
document."
|
||
|
|
::= { dot3StatsEntry 6 }
|
||
|
|
|
||
|
|
dot3StatsDeferredTransmissions OBJECT-TYPE
|
||
|
|
SYNTAX Counter
|
||
|
|
ACCESS read-only
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"A count of frames for which the first
|
||
|
|
transmission attempt on a particular interface is
|
||
|
|
delayed because the medium is busy.
|
||
|
|
|
||
|
|
The count represented by an instance of this
|
||
|
|
object does not include frames involved in
|
||
|
|
collisions."
|
||
|
|
::= { dot3StatsEntry 7 }
|
||
|
|
|
||
|
|
dot3StatsLateCollisions OBJECT-TYPE
|
||
|
|
SYNTAX Counter
|
||
|
|
ACCESS read-only
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"The number of times that a collision is detected
|
||
|
|
on a particular interface later than 512 bit-times
|
||
|
|
into the transmission of a packet.
|
||
|
|
|
||
|
|
Five hundred and twelve bit-times corresponds to
|
||
|
|
51.2 microseconds on a 10 Mbit/s system. A (late)
|
||
|
|
collision included in a count represented by an
|
||
|
|
instance of this object is also considered as a
|
||
|
|
(generic) collision for purposes of other
|
||
|
|
collision-related statistics."
|
||
|
|
::= { dot3StatsEntry 8 }
|
||
|
|
|
||
|
|
dot3StatsExcessiveCollisions OBJECT-TYPE
|
||
|
|
SYNTAX Counter
|
||
|
|
ACCESS read-only
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"A count of frames for which transmission on a
|
||
|
|
particular interface fails due to excessive
|
||
|
|
collisions."
|
||
|
|
::= { dot3StatsEntry 9 }
|
||
|
|
|
||
|
|
dot3StatsInternalMacTransmitErrors OBJECT-TYPE
|
||
|
|
SYNTAX Counter
|
||
|
|
ACCESS read-only
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"A count of frames for which transmission on a
|
||
|
|
particular interface fails due to an internal MAC
|
||
|
|
sublayer transmit error. A frame is only counted
|
||
|
|
by an instance of this object if it is not counted
|
||
|
|
by the corresponding instance of either the
|
||
|
|
dot3StatsLateCollisions object, the
|
||
|
|
dot3StatsExcessiveCollisions object, the
|
||
|
|
dot3StatsCarrierSenseErrors object, or the
|
||
|
|
dot3StatsExcessiveDeferrals object.
|
||
|
|
|
||
|
|
The precise meaning of the count represented by an
|
||
|
|
instance of this object is implementation-
|
||
|
|
specific. In particular, an instance of this
|
||
|
|
object may represent a count of transmission
|
||
|
|
errors on a particular interface that are not
|
||
|
|
otherwise counted."
|
||
|
|
::= { dot3StatsEntry 10 }
|
||
|
|
|
||
|
|
dot3StatsCarrierSenseErrors OBJECT-TYPE
|
||
|
|
SYNTAX Counter
|
||
|
|
ACCESS read-only
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"The number of times that the carrier sense
|
||
|
|
condition was lost or never asserted when
|
||
|
|
attempting to transmit a frame on a particular
|
||
|
|
interface.
|
||
|
|
|
||
|
|
The count represented by an instance of this
|
||
|
|
object is incremented at most once per
|
||
|
|
transmission attempt, even if the carrier sense
|
||
|
|
condition fluctuates during a transmission
|
||
|
|
attempt."
|
||
|
|
::= { dot3StatsEntry 11 }
|
||
|
|
|
||
|
|
dot3StatsExcessiveDeferrals OBJECT-TYPE
|
||
|
|
SYNTAX Counter
|
||
|
|
ACCESS read-only
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"A count of frames for which transmission on a
|
||
|
|
particular interface is deferred for an excessive
|
||
|
|
period of time."
|
||
|
|
::= { dot3StatsEntry 12 }
|
||
|
|
|
||
|
|
dot3StatsFrameTooLongs OBJECT-TYPE
|
||
|
|
SYNTAX Counter
|
||
|
|
ACCESS read-only
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"A count of frames received on a particular
|
||
|
|
interface that exceed the maximum permitted frame
|
||
|
|
size.
|
||
|
|
|
||
|
|
The count represented by an instance of this
|
||
|
|
object is incremented when the frameTooLong status
|
||
|
|
is returned by the MAC service to the LLC (or
|
||
|
|
other MAC user). Received frames for which
|
||
|
|
multiple error conditions obtain are, according to
|
||
|
|
the conventions of [9], counted exclusively
|
||
|
|
according to the error status presented to the
|
||
|
|
LLC."
|
||
|
|
::= { dot3StatsEntry 13 }
|
||
|
|
|
||
|
|
dot3StatsInRangeLengthErrors OBJECT-TYPE
|
||
|
|
SYNTAX Counter
|
||
|
|
ACCESS read-only
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"A count of frames received on a particular
|
||
|
|
interface with a length field value that falls
|
||
|
|
between the minimum unpadded LLC data size and the
|
||
|
|
maximum allowed LLC data size inclusive and that
|
||
|
|
does not match the number of LLC data octets
|
||
|
|
received.
|
||
|
|
|
||
|
|
The count represented by an instance of this
|
||
|
|
object also includes frames for which the length
|
||
|
|
field value is less than the minimum unpadded LLC
|
||
|
|
data size."
|
||
|
|
::= { dot3StatsEntry 14 }
|
||
|
|
|
||
|
|
dot3StatsOutOfRangeLengthFields OBJECT-TYPE
|
||
|
|
SYNTAX Counter
|
||
|
|
ACCESS read-only
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"A count of frames received on a particular
|
||
|
|
interface for which the length field value exceeds
|
||
|
|
the maximum allowed LLC data size.
|
||
|
|
|
||
|
|
The count represented by an instance of this
|
||
|
|
object is not incremented in implementations that
|
||
|
|
observe Ethernet encapsulation conventions (by
|
||
|
|
which the IEEE 802.3 length field is interpreted
|
||
|
|
as the Ethernet Type field)."
|
||
|
|
::= { dot3StatsEntry 15 }
|
||
|
|
|
||
|
|
dot3StatsInternalMacReceiveErrors OBJECT-TYPE
|
||
|
|
SYNTAX Counter
|
||
|
|
ACCESS read-only
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"A count of frames for which reception on a
|
||
|
|
particular interface fails due to an internal MAC
|
||
|
|
sublayer receive error. A frame is only counted by
|
||
|
|
an instance of this object if it is not counted by
|
||
|
|
the corresponding instance of either the
|
||
|
|
dot3StatsFrameTooLongs object, the
|
||
|
|
dot3StatsAlignmentErrors object, the
|
||
|
|
dot3StatsFCSErrors object, the
|
||
|
|
dot3StatsInRangeLengthErrors object, or the
|
||
|
|
dot3StatsOutOfRangeLengthFields object.
|
||
|
|
|
||
|
|
The precise meaning of the count represented by an
|
||
|
|
instance of this object is implementation-
|
||
|
|
specific. In particular, an instance of this
|
||
|
|
object may represent a count of receive errors on
|
||
|
|
a particular interface that are not otherwise
|
||
|
|
counted."
|
||
|
|
::= { dot3StatsEntry 16 }
|
||
|
|
|
||
|
|
|
||
|
|
-- the Ethernet-like Collision Statistics group
|
||
|
|
|
||
|
|
-- Implementation of this group is optional; it is appropriate
|
||
|
|
-- for all systems which have the necessary metering
|
||
|
|
|
||
|
|
dot3CollTable OBJECT-TYPE
|
||
|
|
SYNTAX SEQUENCE OF Dot3CollEntry
|
||
|
|
ACCESS not-accessible
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"A collection of collision histograms for a
|
||
|
|
particular set of interfaces."
|
||
|
|
::= { dot3 5 }
|
||
|
|
|
||
|
|
dot3CollEntry OBJECT-TYPE
|
||
|
|
SYNTAX Dot3CollEntry
|
||
|
|
ACCESS not-accessible
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"A cell in the histogram of per-frame collisions
|
||
|
|
for a particular interface. An instance of this
|
||
|
|
object represents the frequency of individual MAC
|
||
|
|
frames for which the transmission (successful or
|
||
|
|
otherwise) on a particular interface is
|
||
|
|
accompanied by a particular number of media
|
||
|
|
collisions."
|
||
|
|
INDEX { dot3CollIndex, dot3CollCount }
|
||
|
|
::= { dot3CollTable 1 }
|
||
|
|
|
||
|
|
Dot3CollEntry ::=
|
||
|
|
SEQUENCE {
|
||
|
|
dot3CollIndex
|
||
|
|
INTEGER,
|
||
|
|
dot3CollCount
|
||
|
|
INTEGER,
|
||
|
|
dot3CollFrequencies
|
||
|
|
Counter
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
dot3CollIndex OBJECT-TYPE
|
||
|
|
SYNTAX INTEGER
|
||
|
|
ACCESS read-only
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"The index value that uniquely identifies the
|
||
|
|
interface to which a particular collision
|
||
|
|
histogram cell pertains. The interface identified
|
||
|
|
by a particular value of this index is the same
|
||
|
|
interface as identified by the same value of
|
||
|
|
ifIndex."
|
||
|
|
::= { dot3CollEntry 1 }
|
||
|
|
|
||
|
|
dot3CollCount OBJECT-TYPE
|
||
|
|
SYNTAX INTEGER (1..16)
|
||
|
|
ACCESS read-only
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"The number of per-frame media collisions for
|
||
|
|
which a particular collision histogram cell
|
||
|
|
represents the frequency on a particular
|
||
|
|
interface."
|
||
|
|
::= { dot3CollEntry 2 }
|
||
|
|
|
||
|
|
dot3CollFrequencies OBJECT-TYPE
|
||
|
|
SYNTAX Counter
|
||
|
|
ACCESS read-only
|
||
|
|
STATUS mandatory
|
||
|
|
DESCRIPTION
|
||
|
|
"A count of individual MAC frames for which the
|
||
|
|
transmission (successful or otherwise) on a
|
||
|
|
particular interface is accompanied by a
|
||
|
|
particular number of media collisions."
|
||
|
|
::= { dot3CollEntry 3 }
|
||
|
|
|
||
|
|
|
||
|
|
-- 802.3 Tests
|
||
|
|
|
||
|
|
-- The ifExtnsTestTable defined in [11] provides a common means
|
||
|
|
-- for a manager to test any interface corresponding to a value
|
||
|
|
-- of ifIndex.
|
||
|
|
|
||
|
|
-- At this time, one well known test (testFullDuplexLoopBack) is
|
||
|
|
-- defined in [11]. For ethernet-like interfaces, this test
|
||
|
|
-- configures the MAC chip and executes an internal loopback
|
||
|
|
-- test of memory and the MAC chip logic. This loopback test can
|
||
|
|
-- only be executed if the interface is offline. Once the test
|
||
|
|
-- has completed, the MAC chip should be reinitialized for network
|
||
|
|
-- operation, but it should remain offline.
|
||
|
|
|
||
|
|
-- If an error occurs during a test, the object ifExtnsTestResult
|
||
|
|
-- (defined in [11]) will be set to failed(7). The following two
|
||
|
|
-- OBJECT IDENTIFIERs may be used to provided more information as
|
||
|
|
-- values for the object ifExtnsTestCode in [11]:
|
||
|
|
|
||
|
|
dot3Errors OBJECT IDENTIFIER ::= { dot3 7 }
|
||
|
|
|
||
|
|
-- couldn't initialize MAC chip for test
|
||
|
|
dot3ErrorInitError OBJECT IDENTIFIER ::= { dot3Errors 1 }
|
||
|
|
|
||
|
|
-- expected data not received (or not
|
||
|
|
-- received correctly) in loopback test
|
||
|
|
dot3ErrorLoopbackError OBJECT IDENTIFIER ::= { dot3Errors 2 }
|
||
|
|
|
||
|
|
|
||
|
|
-- TDR Test
|
||
|
|
|
||
|
|
-- Another test, specific to ethernet-like interfaces,
|
||
|
|
-- is Time-domain Reflectometry (TDR) which is defined
|
||
|
|
-- as follows:
|
||
|
|
|
||
|
|
dot3Tests OBJECT IDENTIFIER ::= { dot3 6 }
|
||
|
|
dot3TestTdr OBJECT IDENTIFIER ::= { dot3Tests 1 }
|
||
|
|
|
||
|
|
-- A TDR test returns as its result the time interval between the
|
||
|
|
-- most recent TDR test transmission and the subsequent detection
|
||
|
|
-- of a collision. This interval is based on a 10 MHz clock and
|
||
|
|
-- should be normalized if the time base is other than 10 MHz.
|
||
|
|
-- On successful completion of a TDR test, the result is stored
|
||
|
|
-- as the value of the appropriate instance of the MIB object
|
||
|
|
-- dot3TestTdrValue, and the OBJECT IDENTIFIER of that instance
|
||
|
|
-- is stored in the corresponding instance of ifExtnsTestResult
|
||
|
|
-- (thereby indicating where the result has been stored).
|
||
|
|
|
||
|
|
|
||
|
|
-- 802.3 Hardware Chipsets
|
||
|
|
|
||
|
|
-- The object ifExtnsChipSet is provided in [11] to identify the
|
||
|
|
-- MAC hardware used to communcate on an interface. The following
|
||
|
|
-- hardware chipsets are provided for 802.3:
|
||
|
|
|
||
|
|
dot3ChipSets OBJECT IDENTIFIER ::= { dot3 8 }
|
||
|
|
dot3ChipSetAMD OBJECT IDENTIFIER ::= { dot3ChipSets 1 }
|
||
|
|
dot3ChipSetAMD7990 OBJECT IDENTIFIER ::= { dot3ChipSetAMD 1 }
|
||
|
|
dot3ChipSetAMD79900 OBJECT IDENTIFIER ::= { dot3ChipSetAMD 2 }
|
||
|
|
|
||
|
|
dot3ChipSetIntel OBJECT IDENTIFIER ::= { dot3ChipSets 2 }
|
||
|
|
dot3ChipSetIntel82586 OBJECT IDENTIFIER ::= { dot3ChipSetIntel 1 }
|
||
|
|
dot3ChipSetIntel82596 OBJECT IDENTIFIER ::= { dot3ChipSetIntel 2 }
|
||
|
|
|
||
|
|
dot3ChipSetSeeq OBJECT IDENTIFIER ::= { dot3ChipSets 3 }
|
||
|
|
dot3ChipSetSeeq8003 OBJECT IDENTIFIER ::= { dot3ChipSetSeeq 1 }
|
||
|
|
|
||
|
|
dot3ChipSetNational OBJECT IDENTIFIER ::= { dot3ChipSets 4 }
|
||
|
|
dot3ChipSetNational8390 OBJECT IDENTIFIER ::=
|
||
|
|
{ dot3ChipSetNational 1 }
|
||
|
|
dot3ChipSetNationalSonic OBJECT IDENTIFIER ::=
|
||
|
|
{ dot3ChipSetNational 2 }
|
||
|
|
|
||
|
|
dot3ChipSetFujitsu OBJECT IDENTIFIER ::= { dot3ChipSets 5 }
|
||
|
|
dot3ChipSetFujitsu86950 OBJECT IDENTIFIER ::=
|
||
|
|
{ dot3ChipSetFujitsu 1 }
|
||
|
|
|
||
|
|
-- For those chipsets not represented above, OBJECT IDENTIFIER
|
||
|
|
-- assignment is required in other documentation, e.g., assignment
|
||
|
|
-- within that part of the registration tree delegated to
|
||
|
|
-- individual enterprises (see [3]).
|
||
|
|
|
||
|
|
END
|