IEEE 802.1AG (CFM MIB)

This MIB contains objects for the 802.1ag protocol.

The following tables, groups, and variables are supported in this MIB.
Table/Group Supported Variables Comments

dot1agCfmMdTable

dot1agCfmMdIndex

The index to the Maintenance Domain (MD) table.

dot1agCfmMdFormat

Supported as read only. The type (and thereby format) of the MD name.

dot1agCfmMdName

Supported as read only. The MD name.

dot1agCfmMdMdLevel

Supported as read only. The MD Level.

dot1agCfmMdMhfCreation

Enumerated value indicating whether the management entity can create MHFs (MIP Half Function) for this MD. Supported as read only. Configuration in CLI is not supported. The defMHFdefault (2) value is returned.

dot1agCfmMdMhfIdPermission

Supported as read only. Configuration in CLI is not supported. The sendIdChassisManage (4) value is returned.

dot1agCfmMdMaNextIndex

Value to be used as the index of the Maintenance Association (MA) table entries.

dot1agCfmMdRowStatus

The status of the row. The writable columns in a row cannot be changed if the row is active. All columns must have a valid value before a row can be activated.

dot1agCfmMdTableNextIndex

dot1agCfmMdTableNextIndex

An unused value for dot1agCfmMdIndex that is used as the MD index for the next newly created domain.

dot1agCfmMaNetTable

dot1agCfmMdIndex

MD index.

dot1agCfmMaIndex

Index of the MA table. dot1agCfmMdMaNextIndex needs to be inspected to find an available index for row-creation.

dot1agCfmMaNetFormat

Supported as read only. The type of the MA name.

dot1agCfmMaNetName

Supported as read only. MA name.

dot1agCfmMaNetCcmInterval

Supported as read only. Transmission interval between CCMs to be used by all MEPs in the MA.

dot1agCfmMaNetRowStatus

The status of the row. The writable columns in a row cannot be changed if the row is active. All columns must have a valid value before a row can be activated.

dot1agCfmMepTable

dot1agCfmMdIndex

MD Index.

dot1agCfmMaIndex

MA Index.

dot1agCfmMepIdentifier

A small integer, unique over a given MA identifying a specific MA end point.

dot1agCfmMepIfIndex

Supported as read only. Interface index of the interface bridge port.

dot1agCfmMepDirection

Supported as read only. The direction in which the MEP faces on the bridge port.

dot1agCfmMepPrimaryVid

Supported as read only. VID of the MEP.

dot1agCfmMepActive

Supported as read only. Administrative state of the MEP.

dot1agCfmMepFngState

Current state of the MEP Fault Notification Generator State Machine. Can have any one of the following values:

fngReset (1)fngDefect (2)fngReportDefect (3)fngDefectReported (4)fngDefectClearing (5)

dot1agCfmMepCciEnabled

Supported as read only. If set to true, the MEP will generate CCM.

dot1agCfmMepCcmLtmPriority

Supported as read only. The priority value for CCMs and LTMs transmitted by the MEP. Configuration in CLI is not supported. Default value 0 is returned.

dot1agCfmMepMacAddress

MAC address of the MEP. In Extreme Networks switches, the MAC is returned.

dot1agCfmMepLowPrDef

Supported as read only. An integer value specifying the lowest priority defect that is allowed to generate a Fault Alarm. Configuration in CLI is not supported. Default VLAN macRemErrXon is returned.

dot1agCfmMepFngAlarmTime

Supported as read only. The time that defects must be present before a Fault Alarm is issued. Configuration in CLI is not supported. Default value 2.5 seconds is returned.

dot1agCfmMepFngResetTime

Supported as read only. The time that defects must be absent before resetting a Fault Alarm. Configuration in CLI is not supported. Default value 10 seconds is returned.

dot1agCfmMepHighestPrDefect

The highest priority defect that has been present. Possible values are:

none (0)defRDICCM (1)defMACstatus (2)defRemoteCCM (3)defErrorCCM (4)defXconCCM (5)

dot1agCfmMepDefects

Error condition to be sent. The conditions can be any one of the following:

bDefRDICCM (0)bDefMACstatus (1)bDefRemoteCCM (2)bDefErrorCCM (3)bDefXconCCM (4)

dot1agCfmMepErrorCcmLastFailure

The last-received CCM that triggered a DefErrorCCM fault.

dot1agCfmMepXconCcmLastFailure

The last-received CCM that triggered a DefXconCCM fault.

dot1agCfmMepCcmSequenceErrors

The total number of out-of-sequence CCMs received from all remote MEPs.

dot1agCfmMepCciSentCcms

The total number of Continuity Check messages transmitted.

dot1agCfmMepNextLbmTransId

Next sequence number/transaction identifier to be sent in a Loopback message.

dot1agCfmMepLbrIn

The total number of valid, in-order Loopback Replies received.

dot1agCfmMepLbrInOutOfOrder

The total number of valid, out-of-order Loopback Replies received.

dot1agCfmMepLbrBadMsdu

The total number of LBRs received whose mac_service_data_unit did not match (except for the OpCode) that of the corresponding LBM.

dot1agCfmMepLtmNextSeqNumber

Next transaction identifier/sequence number to be sent in a Linktrace message.

dot1agCfmMepUnexpLtrIn

The total number of unexpected LTRs received.

dot1agCfmMepLbrOut

The total number of Loopback Replies transmitted.

dot1agCfmMepTransmitLbmStatus

Supported as read only. A Boolean flag set to true by the bridge port to indicate that another LBM may be transmitted.

dot1agCfmMepTransmitLbmDestMac

Address

Supported as read only. The target MAC address field to be transmitted.

dot1agCfmMepTransmitLbmDestMepId

Supported as read only. To transmit the LBM, destMEPID need not be given.

dot1agCfmMepTransmitLbmDestIsMepId

Supported as read only. This always returns FALSE.

dot1agCfmMepTransmitLbmMessages

Supported as read only. The number of Loopback messages to be transmitted.

dot1agCfmMepTransmitLbmDataTlv

Supported as read only. An arbitrary amount of data to be included in the Data TLV if the Data TLV is selected to be sent. This returns 0.

dot1agCfmMepTransmitLbmVlanPriority

Priority. A three-bit value to be used in the VLAN tag, if present in the transmitted frame. Configuration in CLI is not supported. Default value 0 is returned.

dot1agCfmMepTransmitLbmVlanDropEnable

Not supported. Returns FALSE.

dot1agCfmMepTransmitLbmResultOK

Indicates the result of the operation linked with MEP active state.

dot1agCfmMepTransmitLbmSeqNumber

The Loopback Transaction Identifier of the first LBM (to be) sent. The value returned is undefined if dot1agCfmMepTransmitLbmResultOK is false.

dot1agCfmMepTransmitLtmStatus

Supported as read only. A Boolean flag set to true by the bridge port to indicate that another LTM may be transmitted.

dot1agCfmMepTransmitLtmFlags

Supported as read only. The flags field for LTMs transmitted by the MEP. Currently, useFDBonly (0) is supported.

dot1agCfmMepTransmitLtmTargetMacAddress

Supported as read only. The target MAC address field to be transmitted.

dot1agCfmMepTransmitLtmTargetMepId

Not supported. To transmit the LTM destMEPID need not be given. Value 0 is returned.

dot1agCfmMepTransmitLtmTargetIsMepId

Not supported. This always returns FALSE.

dot1agCfmMepTransmitLtmTtl

Supported as read only. The LTM TTL field.

dot1agCfmMepTransmitLtmResult

Supported as read only. Indicates the result of the operation. Linked with MEP active state.

dot1agCfmMepTransmitLtmSeqNumber

The LTM transaction identifier.

dot1agCfmMepTransmitLtmEgressIdentifier

Supported as read only. Identifies the MEP Linktrace Initiator that is originating or the Linktrace Responder that is forwarding this LTM.

dot1agCfmMepRowStatus

The status of the row. The writable columns in a row cannot be changed if the row is active. All columns must have a valid value before a row can be activated.

dot1agCfmMepDbTable

dot1agCfmMdIndex

MD Index.

dot1agCfmMaIndex

MA Index.

dot1agCfmMepIdentifier

MA end point identifier.

dot1agCfmMepDbRMepIdentifier

Maintenance association end point identifier of a remote MEP whose information from the MEP database is to be returned.

dot1agCfmMepDbRMepState

The operational state of the remote MEP IFF state machines. The state can be any one of the following:

rMepIdle (1)rMepStart (2)rMepFailed (3)rMepOk (4)

dot1agCfmMepDbRMepFailedOkTime

The time (SysUpTime) at which the IFF remote MEP state machine last entered either the RMEP_FAILED or RMEP_OK state.

dot1agCfmMepDbMacAddress

The MAC address of the remote MEP.

dot1agCfmMepDbRdi

State of the RDI bit in the last received CCM.

dot1agCfmMepDbPortStatusTlv

An enumerated value of the Port status TLV received in the last CCM from the remote MEP or the default value. The value is one of the following:

psNoPortStateTLV (0)psBlocked (1)psUp (2)

dot1agCfmMepDbInterfaceStatusTlv

An enumerated value of the Interface status TLV received in the last CCM from the remote MEP. The value can be one of the following:

isNoInterfaceStatusTLV (0)isUp (1)isDown (2)isTesting (3)isUnknown (4)isDormant (5)isNotPresent (6)isLowerLayerDown (7)

dot1agCfmMepDbChassisIdSubtype

networkAddress (5) is returned if senderIDTLV is received.

dot1agCfmMepDbChassisId

The first octet contains the IANA Address Family Numbers enumeration value for the specific address type, and octets 2 through N contain the network address value in network byte order.

dot1agCfmMepDbManAddressDomain

Not supported. Value zero is returned.

dot1agCfmMepDbManAddress

Not supported. Value zero is returned.

dot1agCfmLtrTable

dot1agCfmMdIndex

MD Index.

dot1agCfmMaIndex

MA Index.

dot1agCfmMepIdentifier

MA end point identifier.

dot1agCfmLtrSeqNumber

Transaction identifier/sequence number returned by a previous transmit linktrace message command.

dot1agCfmLtrReceiveOrder

An index to distinguish among multiple LTRs with the same LTR Transaction Identifier field value.

dot1agCfmLtrTtl

TTL field value for a returned LTR.

dot1agCfmLtrForwarded

Indicates if a LTM was forwarded by the responding MP.

dot1agCfmLtrTerminalMep

Not supported. Value FALSE is returned.

dot1agCfmLtrLastEgressIdentifier

An octet field holding the Last Egress Identifier returned in the LTR Egress Identifier TLV of the LTR.

dot1agCfmLtrNextEgressIdentifier

An octet field holding the Next Egress Identifier returned in the LTR Egress Identifier TLV of the LTR.

dot1agCfmLtrRelay

Value returned in the Relay Action field.

dot1agCfmLtrChassisIdSubtype

networkAddress (5) is returned if senderIDTLV is received.

dot1agCfmLtrChassisId

The first octet contains the IANA Address Family Numbers enumeration value for the specific address type, and octets 2 through N contain the network address value in network byte order.

dot1agCfmLtrManAddressDomain

Not supported. Value zero is returned.

dot1agCfmLtrManAddress

Not supported. Value zero is returned.

dot1agCfmLtrIngress

The value returned in the Ingress Action Field of the LTM.

dot1agCfmLtrIngressMac

MAC address returned in the ingress MAC address field.

dot1agCfmLtrIngressPortIdSubtype

interfaceName (5) is returned if present.

dot1agCfmLtrIngressPortId

interfaceName (5), then the octet string identifies a particular instance of the ifName object. If the particular ifName object does not contain any values, another port identifier type should be used.

dot1agCfmLtrEgress

The value returned in the Egress Action Field of the LTM.

dot1agCfmLtrEgressMac

MAC address returned in the egress MAC address field.

dot1agCfmLtrEgressPortIdSubtype

interfaceName (5) is returned if present.

dot1agCfmLtrEgressPortId

interfaceName (5), then the octet string identifies a particular instance of the ifName object. If the particular ifName object does not contain any values, another port identifier type should be used.

dot1agCfmLtrOrganizationSpecificTlv

All organization specific TLVs returned in the LTR.

dot1agCfmStackTable

dot1agCfmStackifIndex

Index object. This object represents the bridge port or aggregated port on which MEPs or MHFs might be configured.

dot1agCfmStackVlanIdOrNone

Index object. VLAN ID to which the MP is attached.

dot1agCfmStackMdLevel

Index object. MD Level of the Maintenance Point.

dot1agCfmStackDirection

Index object. Direction in which the MP faces on the bridge port.

dot1agCfmStackMdIndex

The index of the MD in the dot1agCfmMdTable to which the MP is associated.

dot1agCfmStackMaIndex

The index of the MA in the dot1agCfmMaNetTable and dot1agCfmMaCompTable to which the MP is associated.

dot1agCfmStackMepId

If an MEP is configured, the MEP ID.

dot1agCfmStackMacAddress

MAC address of the MP.

dot1agCfmMaMepListTable

dot1agCfmMdIndex

MD Index.

dot1agCfmMaIndex

MA Index.

dot1agCfmMaMepListIdentifier

MEP identifier.

dot1agCfmMaMepListRowStatus

dot1agCfmFaultAlarm

(NOTIFICATION)

dot1agCfmMepHighestPrDefect

A MEP has a persistent defect condition. A notification (fault alarm) is sent to the management entity with the OID of the MEP that has detected the fault.

The management entity receiving the notification can identify the system from the network source address of the notification, and can identify the MEP reporting the defect by the indices in the OID of the dot1agCfmMepHighestPrDefect variable in the notification:

dot1agCfmMdIndex—Also the index of the MEPs.MD table entry (dot1agCfmMdTable).dot1agCfmMaIndex—Also an index (with the MD table index) of the MEP's MA network table entry (dot1agCfmMaNetTable), and (with the MD table index and component ID) of the MEP's MA component table entry.dot1agCfmMepIdentifier—MEP Identifier and final index into the MEP table (dot1agCfmMepTable).

extremeCfmMibConformance

dot1agCfmMaCompTable

Not supported

dot1agCfmConfigErrorList

Table

Not supported

dot1agCfmVlanTable

Not supported

dot1agCfmDefaultMdTable

Not supported