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dot5Table

This table contains Token Ring interface parameters and state variables, one entry per 802.5 interface.

dot5Entry

A list of Token Ring status and parameter values for an 802.5 interface.

dot5IfIndex

The value of this object identifies the 802.5 interface for which this entry contains management information. The value of this object for a particular interface has the same value as the ifIndex object, defined in MIB-II for the same interface.

dot5Commands

When this object is set to the value of open(2), the station should go into the open state. The progress and success of the open is given by the values of the objects dot5RingState and dot5RingOpenStatus. When this object is set to the value of reset(3), ...

dot5RingStatus

The current interface status which can be used to diagnose fluctuating problems that can occur on token rings, after a station has successfully been added to the ring. Before an open is completed, this object has the value for the 'no status' condition. ...

dot5RingState

The current interface state with respect to entering or leaving the ring.

dot5RingOpenStatus

This object indicates the success, or the reason for failure, of the station's most recent attempt to enter the ring.

dot5RingSpeed

The ring-speed at the next insertion into the ring. Note that this may or may not be different to the current ring-speed which is given by MIB-II's ifSpeed. For interfaces which do not support changing ring-speed, dot5RingSpeed can only be set to its cu ...

dot5UpStream

The MAC-address of the up stream neighbor station in the ring.

dot5ActMonParticipate

If this object has a value of true(1) then this interface will participate in the active monitor selection process. If the value is false(2) then it will not. Setting this object does not take effect until the next Active Monitor election, and might not ...

dot5Functional

The bit mask of all Token Ring functional addresses for which this interface will accept frames.

dot5LastBeaconSent

The value of MIB-II's sysUpTime object at which the local system last transmitted a Beacon frame on this interface.

dot5StatsTable

A table containing Token Ring statistics, one entry per 802.5 interface. All the statistics are defined using the syntax Counter32 as 32-bit wrap around counters. Thus, if an interface's hardware maintains these statistics in 16-bit counters, then the ag ...

dot5StatsEntry

An entry contains the 802.5 statistics for a particular interface.

dot5StatsIfIndex

The value of this object identifies the 802.5 interface for which this entry contains management information. The value of this object for a particular interface has the same value as MIB-II's ifIndex object for the same interface.

dot5StatsLineErrors

This counter is incremented when a frame or token is copied or repeated by a station, the E bit is zero in the frame or token and one of the following conditions exists: 1) there is a non-data bit (J or K bit) between the SD and the ED of the frame or tok ...

dot5StatsBurstErrors

This counter is incremented when a station detects the absence of transitions for five half-bit timers (burst-five error).

dot5StatsACErrors

This counter is incremented when a station receives an AMP or SMP frame in which A is equal to C is equal to 0, and then receives another SMP frame with A is equal to C is equal to 0 without first receiving an AMP frame. It denotes a station that cannot s ...

dot5StatsAbortTransErrors

This counter is incremented when a station transmits an abort delimiter while transmitting.

dot5StatsInternalErrors

This counter is incremented when a station recognizes an internal error.

dot5StatsLostFrameErrors

This counter is incremented when a station is transmitting and its TRR timer expires. This condition denotes a condition where a transmitting station in strip mode does not receive the trailer of the frame before the TRR timer goes off.

dot5StatsReceiveCongestions

This counter is incremented when a station recognizes a frame addressed to its specific address, but has no available buffer space indicating that the station is congested.

dot5StatsFrameCopiedErrors

This counter is incremented when a station recognizes a frame addressed to its specific address and detects that the FS field A bits are set to 1 indicating a possible line hit or duplicate address.

dot5StatsTokenErrors

This counter is incremented when a station acting as the active monitor recognizes an error condition that needs a token transmitted.

dot5StatsSoftErrors

The number of Soft Errors the interface has detected. It directly corresponds to the number of Report Error MAC frames that this interface has transmitted. Soft Errors are those which are recoverable by the MAC layer protocols.

dot5StatsHardErrors

The number of times this interface has detected an immediately recoverable fatal error. It denotes the number of times this interface is either transmitting or receiving beacon MAC frames.

dot5StatsSignalLoss

The number of times this interface has detected the loss of signal condition from the ring.

dot5StatsTransmitBeacons

The number of times this interface has transmitted a beacon frame.

dot5StatsRecoverys

The number of Claim Token MAC frames received or transmitted after the interface has received a Ring Purge MAC frame. This counter signifies the number of times the ring has been purged and is being recovered back into a normal operating state.

dot5StatsLobeWires

The number of times the interface has detected an open or short circuit in the lobe data path. The adapter will be closed and dot5RingState will signify this condition.

dot5StatsRemoves

The number of times the interface has received a Remove Ring Station MAC frame request. When this frame is received the interface will enter the close state and dot5RingState will signify this condition.

dot5StatsSingles

The number of times the interface has sensed that it is the only station on the ring. This will happen if the interface is the first one up on a ring, or if there is a hardware problem.

dot5StatsFreqErrors

The number of times the interface has detected that the frequency of the incoming signal differs from the expected frequency by more than that specified by the IEEE 802.5 standard.

dot5TimerTable

This table contains Token Ring interface timer values, one entry per 802.5 interface.

dot5TimerEntry

A list of Token Ring timer values for an 802.5 interface.

dot5TimerIfIndex

The value of this object identifies the 802.5 interface for which this entry contains timer values. The value of this object for a particular interface has the same value as MIB-II's ifIndex object for the same interface.

dot5TimerReturnRepeat

The time-out value used to ensure the interface will return to Repeat State, in units of 100 micro-seconds. The value should be greater than the maximum ring latency.

dot5TimerHolding

Maximum period of time a station is permitted to transmit frames after capturing a token, in units of 100 micro-seconds.

dot5TimerQueuePDU

The time-out value for enqueuing of an SMP PDU after reception of an AMP or SMP frame in which the A and C bits were equal to 0, in units of 100 micro-seconds.

dot5TimerValidTransmit

The time-out value used by the active monitor to detect the absence of valid transmissions, in units of 100 micro-seconds.

dot5TimerNoToken

The time-out value used to recover from various-related error situations. If N is the maximum number of stations on the ring, the value of this timer is normally: dot5TimerReturnRepeat + N*dot5TimerHolding.

dot5TimerActiveMon

The time-out value used by the active monitor to stimulate the enqueuing of an AMP PDU for transmission, in units of 100 micro-seconds.

dot5TimerStandbyMon

The time-out value used by the stand-by monitors to ensure that there is an active monitor on the ring and to detect a continuous stream of tokens, in units of 100 micro-seconds.

dot5TimerErrorReport

The time-out value which determines how often a station shall send a Report Error MAC frame to report its error counters, in units of 100 micro-seconds.

dot5TimerBeaconTransmit

The time-out value which determines how long a station shall remain in the state of transmitting Beacon frames before entering the Bypass state, in units of 100 micro-seconds.

dot5TimerBeaconReceive

The time-out value which determines how long a station shall receive Beacon frames from its downstream neighbor before entering the Bypass state, in units of 100 micro-seconds.

dot5TestInsertFunc

Invoking this test causes the station to test the insert ring logic of the hardware if the station's lobe media cable is connected to a wiring concentrator. Note that this command inserts the station into the network, and thus, could cause problems if th ...

dot5TestFullDuplexLoopBack

Invoking this test on a 802.5 interface causes the interface to check the path from memory through the chip set's internal logic and back to memory, thus checking the proper functioning of the system's interface to the chip set.

dot5ChipSetIBM16

IBM's 16/4 Mbs chip set.

dot5ChipSetTItms380

Texas Instruments' TMS 380 4Mbs chip-set

dot5ChipSetTItms380c16

Texas Instruments' TMS 380C16 16/4 Mbs chip-set

dot5StateGroup

A collection of objects providing state information and parameters for IEEE 802.5 interfaces.

dot5StatsGroup

A collection of objects providing statistics for IEEE 802.5 interfaces.