CISCO-IEEE8021-CFM-EXT-MIB
A MIB module for extending the IEEE8021-CFM-MIB
and IEEE8021-CFM-V2-MIB to add objects which provide
additional information about Connectivity Fault
management(CFM) not available in IEEE8021-CFM-MIB and
IEEE8021-CFM-V2-MIB.
Glossary:
Connectivity Fault Management (CFM):
Connectivity Fault Management comprises capabilities for
detecting, verifying, and isolating connectivity failures
in Virtual Bridged Local Area Networks.
Maintenance Domain (MD):
The network or the part of the network for which
faults in connectivity can be managed.
Service Access Point (SAP): The point at which a service is
offered.
Domain Service Access Point (DoSAP): A member of a set of SAPs
at which a Maintenance Domain is capable of offering
connectivity to systems outside the Maintenance Domain.
Intermediate Service Access Points (ISAP): A SAP, interior
to a Maintenance Domain, through which frames can pass
in transit from DoSAP to DoSAP.
Maintenance association End Point (MEP):
An actively managed CFM entity, associated with a
specific domain service access point of a service
instance, which can generate and receive CFM PDUs and
track any responses.
Maintenance Association (MA):
A set of MEPs, each configured with the same MAID and
MD Level, established to verify the integrity of a
single service instance.
Maintenance domain Intermediate Point (MIP):
A CFM entity consisting of two MHFs. A MHF is a CFM entity,
associated with a single Maintenance Domain, and thus
with a single MD Level and a set of VIDs, that cannot
generate CFM PDUs, but only in response to received
CFM PDUs.
Continuity Check Message (CCM):
A multicast CFM PDU transmitted periodically by a MEP in
order to ensure continuity over the MA to which the
transmitting MEP belongs. No reply is sent by any MP
in response to receiving a CCM.
Continuity Check Initiator (CCI):
A state machine. Once it starts, CCMs will be generated.
Linktrace Message (LTM):
A CFM PDU initiated by a MEP to trace a path to a
target MAC address, forwarded from MIP to MIP, up to the
point at which the LTM reaches its target, a MEP, or can
no longer be forwarded.
Linktrace Reply (LTR): A unicast CFM PDU sent by an MP to a
MEP, in response to receiving an LTM from that MEP.
Content Addressable memory (CAM): The CAM table is consulted
to make the frame forwarding decision. On Ethernet networks
that transmit IP, switches learn MAC addresses from the
source address of ethernet frames on the interfaces.
- Source file
CISCO-IEEE8021-CFM-EXT-MIB- Last revised
- Identity
ciscoIeee8021CfmExtMIB- Base OID
1.3.6.1.4.1.9.9.679
Imported Objects
| CISCO-SMI | ciscoMgmt |
| IEEE8021-CFM-MIB | dot1agCfmMaIndex dot1agCfmMdIndex Dot1agCfmMpDirection |
| IF-MIB | InterfaceIndex |
| Q-BRIDGE-MIB | VlanId |
| SNMPv2-CONF | MODULE-COMPLIANCE (no object page) OBJECT-GROUP (no object page) |
| SNMPv2-SMI | MODULE-IDENTITY (no object page) OBJECT-TYPE (no object page) Unsigned32 |
| SNMPv2-TC | MacAddress RowStatus StorageType TruthValue |
Net-SNMP examples using the cisco MIB directory Show commands
These commands use the standard Observium installation path and load the selected MIB variant before the RFC and Net-SNMP directories.
Translate the module identity
/usr/bin/snmptranslate -Pud -Ir -On -m 'CISCO-IEEE8021-CFM-EXT-MIB' -M '/opt/observium/mibs/cisco:/opt/observium/mibs/rfc:/opt/observium/mibs/net-snmp' 'CISCO-IEEE8021-CFM-EXT-MIB::ciscoIeee8021CfmExtMIB'
Walk the MIB subtree
/usr/bin/snmpbulkwalk -v2c -c '<community>' -Pud -Ir -OQUs -m 'CISCO-IEEE8021-CFM-EXT-MIB' -M '/opt/observium/mibs/cisco:/opt/observium/mibs/rfc:/opt/observium/mibs/net-snmp' 'udp:<hostname>:161' 'CISCO-IEEE8021-CFM-EXT-MIB::ciscoIeee8021CfmExtMIB'
Objects (40)
Showing 40 of 40 objects
Object legend
Object type
Icons distinguish tables, entry rows, columns, scalars, and structural nodes.
SNMPv2-TCTruthValue
Syntax
Blue badges identify the value syntax. Connected badges read as defining module and convention.
IF-MIBifIndex
Table index
Green identifies an index object; yellow names its module when the index is defined elsewhere.
r/w
deprecated
obsolete
Access and status
r/w means read-write. Grey labels mark definitions retained for compatibility.
OBS ✓
Observium use
The indicator appears only when Observium directly references that object.
ifOperStatus
.1.3.6.1.2.1…
Names and OIDs
Object names link to their detail pages. Hover or focus a linked name or badge for available definition details.
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Dependencies (22) 7 direct · 15 transitive Show tree and compile order Hide dependency details
Each imported module is resolved in the importing module's source directory first, then through the normal default-variant rules.
Dependency tree
Dependency-first compile order
- SNMPv2-SMIrfc
- CISCO-SMIcisco
- SNMPv2-TCrfc
- IEEE8021-TC-MIBrfc
- IANAifType-MIBrfc
- SNMPv2-CONFrfc
- SNMPv2-MIBrfc
- IF-MIBrfc
- IANA-ADDRESS-FAMILY-NUMBERS-MIBrfc
- RMON-MIBrfc
- RFC-1212rfc
- RFC1155-SMIrfc
- RFC1213-MIBrfc
- RFC1271-MIBrfc
- TOKEN-RING-RMON-MIBrfc
- RMON2-MIBrfc
- SNMP-FRAMEWORK-MIBrfc
- LLDP-MIBrfc
- BRIDGE-MIBrfc
- P-BRIDGE-MIBrfc
- Q-BRIDGE-MIBrfc
- IEEE8021-CFM-MIBrfc
- CISCO-IEEE8021-CFM-EXT-MIBciscoselected
Conformance Groups (6)
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ciceCfmEnable ciceCfmMaxMdLevel ciceCfmBrainAddress ciceCfmCcMulticastAddress ciceCfmLtmMulticastAddress ciceCfmEnableFaultAlarm
This is a collection of objects which provided
the global information of the CFM feature not covered in IEEE8021-CFM-MIB. |
.1.3.6.1.4.1.9.9.679.2.2.1
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This is a collection of objects which provided the
configuration to cache CFM LTRs. |
.1.3.6.1.4.1.9.9.679.2.2.2
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This is a collection of objects which provided the extra
MA configuration cross all bridges in a Maintenance Domain (MD), and across all components of a single bridge. |
.1.3.6.1.4.1.9.9.679.2.2.3
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This is a collection of objects which provides the CFM
configuration on the interfaces. |
.1.3.6.1.4.1.9.9.679.2.2.4
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This is a collection of objects which provides the MIP
configuration on the local device. |
.1.3.6.1.4.1.9.9.679.2.2.5
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This is a collection of objects which provides the MAC enable
enable configuration of the interfaces on the local device. |
.1.3.6.1.4.1.9.9.679.2.2.6
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Compliance Statements (1)
OID
.1.3.6.1.4.1.9.9.679.2.1.1The compliance statement for the
CISCO-IEEE8021-CFM-EXT-MIB.
CISCO-IEEE8021-CFM-EXT-MIB.
Required groups
| mandatory | ciceCfmGlobalObjectsGroup | |
| mandatory | ciceCfmInterfaceGroup | |
| optional | ciceCfmLtrConfigGroup |
The implementation of this group of objects is optional. |
| optional | ciceCfmMaNetGroup |
The implementation of this group of objects is optional. |
| optional | ciceCfmMipGroup |
The implementation of this group of objects is optional. |
| optional | ciceCfmMacEnableGroup |
The implementation of this group of objects is optional. |
Object refinements
| Object | Access | Syntax | Description |
|---|---|---|---|
| ciceCfmEnable | readonly | Write access is not required. | |
| ciceCfmEnableFaultAlarm | readonly | Write access is not required. | |
| ciceCfmLtrEnable | readonly | Write access is not required. | |
| ciceCfmLtrHoldTime | readonly | Write access is not required. | |
| ciceCfmLtrSize | readonly | Write access is not required. | |
| ciceCfmMaNetCciEnable | readonly | Write access is not required. | |
| ciceCfmMaNetCciDirection | readonly | Write access is not required. | |
| ciceCfmMaNetLossThreshold | readonly | Write access is not required. | |
| ciceCfmIfState | readonly | Write access is not required. | |
| ciceCfmMipMdLevel | readonly | Write access is not required. | |
| ciceCfmMipStorageType | readonly | Write access is not required. | |
| ciceCfmMipRowStatus | readonly | Write access is not required. | |
| ciceCfmMacEnableStorageType | readonly | Write access is not required. | |
| ciceCfmMacEnableRowStatus | readonly | Write access is not required. |