📄 dot3-oam-mib.mib
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"An entry in the table, containing information on the loopback
status for a single Ethernet-like interface. Entries in the
table are automatically created whenever the local OAM entity
supports loopback capabilities. The loopback status on the
interface can be determined from the dot3OamLoopbackStatus
object.
"
INDEX { ifIndex }
::= { dot3OamLoopbackTable 1 }
Dot3OamLoopbackEntry ::=
SEQUENCE {
dot3OamLoopbackStatus INTEGER,
dot3OamLoopbackIgnoreRx INTEGER
}
dot3OamLoopbackStatus OBJECT-TYPE
SYNTAX INTEGER {
-- all values, except where noted, can be read
-- but cannot be written
noLoopback (1),
-- initiatingLoopback can be read or written
initiatingLoopback (2),
remoteLoopback (3),
-- terminatingLoopback can be read or written
terminatingLoopback (4),
localLoopback (5),
unknown (6)
}
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The loopback status of the OAM entity. This status is
determined by a combination of the local parser and
multiplexer states, the remote parser and multiplexer states,
as well as by the actions of the local OAM client. When
operating in normal mode with no loopback in progress, the
status reads noLoopback(1).
The values initiatingLoopback(2) and terminatingLoopback(4)
can be read or written. The other values can only be read -
they can never be written. Writing initiatingLoopback causes
the local OAM entity to start the loopback process with its
peer. This value can only be written when the status is
noLoopback(1). Writing the value initiatingLoopback(2) in any
other state has no effect. When in remoteLoopback(3), writing
terminatingLoopback(4) causes the local OAM entity to initiate
the termination of the loopback state. Writing
terminatingLoopack(4) in any other state has no effect.
If the OAM client initiates a loopback and has sent a
Loopback OAMPDU and is waiting for a response, where the local
parser and multiplexer states are DISCARD (see [802.3ah,
57.2.11.1]), the status is 'initiatingLoopback'. In this
case, the local OAM entity has yet to receive any
acknowledgment that the remote OAM entity has received its
loopback command request.
If the local OAM client knows that the remote OAM entity is in
loopback mode (via the remote state information as described
in [802.3ah, 57.2.11.1, 30.3.6.1.15]), the status is
remoteLoopback(3). If the local OAM client is in the process
of terminating the remote loopback [802.3ah, 57.2.11.3,
30.3.6.1.14] with its local multiplexer and parser states in
DISCARD, the status is terminatingLoopback(4). If the remote
OAM client has put the local OAM entity in loopback mode as
indicated by its local parser state, the status is
localLoopback(5).
The unknown(6) status indicates that the parser and
multiplexer combination is unexpected. This status may be
returned if the OAM loopback is in a transition state but
should not persist.
The values of this attribute correspond to the following
values of the local and remote parser and multiplexer states.
value LclPrsr LclMux RmtPrsr RmtMux
noLoopback FWD FWD FWD FWD
initLoopback DISCARD DISCARD FWD FWD
rmtLoopback DISCARD FWD LPBK DISCARD
tmtngLoopback DISCARD DISCARD LPBK DISCARD
lclLoopback LPBK DISCARD DISCARD FWD
unknown *** any other combination ***
"
REFERENCE "[802.3ah], REFERENCE 57.2.11, 30.3.61.14,
30.3.6.1.15"
::= { dot3OamLoopbackEntry 1 }
dot3OamLoopbackIgnoreRx OBJECT-TYPE
SYNTAX INTEGER { ignore(1), process(2) }
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"Since OAM loopback is a disruptive operation (user traffic
does not pass), this attribute provides a mechanism to provide
controls over whether received OAM loopback commands are
processed or ignored. When the value is ignore(1), received
loopback commands are ignored. When the value is process(2),
OAM loopback commands are processed. The default value is to
ignore loopback commands (ignore(1)).
"
REFERENCE "[802.3ah], REFERENCE 57.2.11, 30.3.61.14,
30.3.6.1.15"
::= { dot3OamLoopbackEntry 2 }
-- ***************************************************************
--
-- Ethernet OAM Statistics group
--
dot3OamStatsTable OBJECT-TYPE
SYNTAX SEQUENCE OF Dot3OamStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table contains statistics for the OAM function on a
particular Ethernet-like interface. There is an entry in the
table for every entry in the dot3OamTable.
The counters in this table are defined as 32-bit entries to
match the counter size as defined in [802.3ah]. Given that
the OA protocol is a slow protocol, the counters increment at
a slow rate.
"
::= { dot3OamObjects 4 }
dot3OamStatsEntry OBJECT-TYPE
SYNTAX Dot3OamStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in the table containing statistics information on
the Ethernet OAM function for a single Ethernet-like
interface. Entries are automatically created for every entry
in the dot3OamTable. Counters are maintained across
transitions in dot3OamOperStatus.
"
INDEX { ifIndex }
::= { dot3OamStatsTable 1 }
Dot3OamStatsEntry ::=
SEQUENCE {
dot3OamInformationTx Counter32,
dot3OamInformationRx Counter32,
dot3OamUniqueEventNotificationTx Counter32,
dot3OamUniqueEventNotificationRx Counter32,
dot3OamDuplicateEventNotificationTx Counter32,
dot3OamDuplicateEventNotificationRx Counter32,
dot3OamLoopbackControlTx Counter32,
dot3OamLoopbackControlRx Counter32,
dot3OamVariableRequestTx Counter32,
dot3OamVariableRequestRx Counter32,
dot3OamVariableResponseTx Counter32,
dot3OamVariableResponseRx Counter32,
dot3OamOrgSpecificTx Counter32,
dot3OamOrgSpecificRx Counter32,
dot3OamUnsupportedCodesTx Counter32,
dot3OamUnsupportedCodesRx Counter32,
dot3OamFramesLostDueToOam Counter32
}
dot3OamInformationTx OBJECT-TYPE
SYNTAX Counter32
UNITS "frames"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of the number of Information OAMPDUs transmitted on
this interface.
Discontinuities of this counter can occur at re-initialization
of the management system, and at other times as indicated by
the value of the ifCounterDiscontinuityTime. "
REFERENCE "[802.3ah], 30.3.6.1.20."
::= { dot3OamStatsEntry 1 }
dot3OamInformationRx OBJECT-TYPE
SYNTAX Counter32
UNITS "frames"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of the number of Information OAMPDUs received on this
interface.
Discontinuities of this counter can occur at re-initialization
of the management system, and at other times as indicated by
the value of the ifCounterDiscontinuityTime.
"
REFERENCE "[802.3ah], 30.3.6.1.21."
::= { dot3OamStatsEntry 2 }
dot3OamUniqueEventNotificationTx OBJECT-TYPE
SYNTAX Counter32
UNITS "frames"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of the number of unique Event OAMPDUs transmitted on
this interface. Event Notifications may be sent in duplicate
to increase the probability of successfully being received,
given the possibility that a frame may be lost in transit.
Duplicate Event Notification transmissions are counted by
dot3OamDuplicateEventNotificationTx.
A unique Event Notification OAMPDU is indicated as an Event
Notification OAMPDU with a Sequence Number field that is
distinct from the previously transmitted Event Notification
OAMPDU Sequence Number.
Discontinuities of this counter can occur at re-initialization
of the management system, and at other times as indicated by
the value of the ifCounterDiscontinuityTime.
"
REFERENCE "[802.3ah], 30.3.6.1.22."
::= { dot3OamStatsEntry 3 }
dot3OamUniqueEventNotificationRx OBJECT-TYPE
SYNTAX Counter32
UNITS "frames"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of the number of unique Event OAMPDUs received on
this interface. Event Notification OAMPDUs may be sent in
duplicate to increase the probability of successfully being
received, given the possibility that a frame may be lost in
transit. Duplicate Event Notification receptions are counted
by dot3OamDuplicateEventNotificationRx.
A unique Event Notification OAMPDU is indicated as an Event
Notification OAMPDU with a Sequence Number field that is
distinct from the previously received Event Notification
OAMPDU Sequence Number.
Discontinuities of this counter can occur at re-initialization
of the management system, and at other times as indicated by
the value of the ifCounterDiscontinuityTime.
"
REFERENCE "[802.3ah], 30.3.6.1.24."
::= { dot3OamStatsEntry 4 }
dot3OamDuplicateEventNotificationTx OBJECT-TYPE
SYNTAX Counter32
UNITS "frames"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of the number of duplicate Event OAMPDUs transmitted
on this interface. Event Notification OAMPDUs may be sent in
duplicate to increase the probability of successfully being
received, given the possibility that a frame may be lost in
transit.
A duplicate Event Notification OAMPDU is indicated as an Event
Notification OAMPDU with a Sequence Number field that is
identical to the previously transmitted Event Notification
OAMPDU Sequence Number.
Discontinuities of this counter can occur at re-initialization
of the management system, and at other times as indicated by
the value of the ifCounterDiscontinuityTime.
"
REFERENCE "[802.3ah], 30.3.6.1.23."
::= { dot3OamStatsEntry 5 }
dot3OamDuplicateEventNotificationRx OBJECT-TYPE
SYNTAX Counter32
UNITS "frames"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of the number of duplicate Event OAMPDUs received on
this interface. Event Notification OAMPDUs may be sent in
duplicate to increase the probability of successfully being
received, given the possibility that a frame may be lost in
transit.
A duplicate Event Notification OAMPDU is indicated as an Event
Notification OAMPDU with a Sequence Number field that is
identical to the previously received Event Notification OAMPDU
Sequence Number.
Discontinuities of this counter can occur at re-initialization
of the management system, and at other times as indicated by
the value of the ifCounterDiscontinuityTime.
"
REFERENCE "[802.3ah], 30.3.6.1.25."
::= { dot3OamStatsEntry 6 }
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