XYLAN-ATM-CE-MIB

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Category: Xylan OmniSwitch

Description: Manages Xylan OmniSwitch ATM circuit emulation service configuration and performance statistics.

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What Is XYLAN-ATM-CE-MIB?

The XYLAN-ATM-CE-MIB is a Xylan Corporation MIB (Xylan later became part of Alcatel's OmniSwitch line) for managing ATM Circuit Emulation Service (CES) on OmniSwitch devices, which configures circuit emulation connections carrying constant-bit-rate traffic such as TDM/T1/E1 over an ATM network. It exposes circuit emulation service configuration and performance statistics for individual emulated circuits. Its monitoring emphasis is on service/performance status: per-circuit emulation state and error/performance counters such as cell loss or clock slips that would reveal a degraded TDM-over-ATM circuit, though it does not cover chassis-level environmental monitoring. It builds on the standard ATM-MIB's interface/VCC concepts for the underlying ATM transport, since CES rides over ATM virtual circuits. It was deployed on Xylan/Alcatel OmniSwitch ATM switches carrying legacy TDM voice/data traffic emulated over an ATM backbone. Engineers can download the XYLAN-ATM-CE-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in XYLAN-ATM-CE-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

Xylan OmniSwitch ATM switch

Monitoring Examples

No specific object or table names were extracted for this module. Conceptually, an operator would poll per-circuit emulation service configuration and statistics objects to confirm a CES connection is correctly provisioned and to watch for cell loss, underruns, or clock-slip counters that would indicate a degraded emulated T1/E1 circuit riding over the ATM backbone.

What Can Be Monitored

ATM circuit emulation service configuration
emulated circuit performance/error counters
circuit provisioning status

Imported Objects

From RFC-1212

OBJECT-TYPE

From RFC-1215

TRAP-TYPE

From RFC1155-SMI

Counter

From RFC1213-MIB

DisplayString

From XYLAN-BASE-MIB

xylanAtmArch

OBJECT-IDENTITY

OIDs

OID symbolic	OID numeric	Type	Access	Description
NTF atmCesVccCreate	1.3.6.1.4.1.800.2.4.10.2.1.0.1			The ATM circuit emulation virtual circuit is created.
NTF atmCesVccDelete	1.3.6.1.4.1.800.2.4.10.2.1.0.2			The ATM circuit emulation virtual circuit is deleted.
INT atmCesVccRateVci	1.3.6.1.4.1.800.2.4.10.1.3.2.1.3	INTEGER	read-only	The virtual channel identifier associated with the virtual connection.
INT atmCesVccStatsVci	1.3.6.1.4.1.800.2.4.10.1.3.1.1.3	INTEGER	read-only	The virtual channel identifier associated with the virtual connection.
atmxCesGroup	1.3.6.1.4.1.800.2.4.10
atmxCesMIBObjects	1.3.6.1.4.1.800.2.4.10.1
atmxCesMIBTraps	1.3.6.1.4.1.800.2.4.10.2
atmxCesService	1.3.6.1.4.1.800.2.4.10.1.1
INT atmxCesServiceAdminStatus	1.3.6.1.4.1.800.2.4.10.1.1.1.1.4	INTEGER	read-write	The desired state of this interface.
OCT atmxCesServiceAvailTimeSlot	1.3.6.1.4.1.800.2.4.10.1.1.1.1.8	OCTET STRING	read-only	The availiable time slots of this interface. Each octet indicates an available time slot (1 to 32 decimal). It's terminated by an octet 0xFF if less than 32 time slots available.
STR atmxCesServiceDescription	1.3.6.1.4.1.800.2.4.10.1.1.1.1.3	DisplayString	read-write	A description for this port.
atmxCesServiceEntry	1.3.6.1.4.1.800.2.4.10.1.1.1.1		not-accessible	An entry in the table, containing information about service configuration of a service interface.
INT atmxCesServiceOperStatus	1.3.6.1.4.1.800.2.4.10.1.1.1.1.5	INTEGER	read-only	The current operational state of this interface.
INT atmxCesServicePortIndex	1.3.6.1.4.1.800.2.4.10.1.1.1.1.2	INTEGER	read-only	A unique value which identifies this port.
INT atmxCesServiceServiceClock	1.3.6.1.4.1.800.2.4.10.1.1.1.1.7	INTEGER	read-write	This object defines service clocking mode of this interface.
INT atmxCesServiceServiceMode	1.3.6.1.4.1.800.2.4.10.1.1.1.1.6	INTEGER	read-write	Define if this interface as structured or not. A structured(2) interface is some nx64 Kbps and passes data bits and signalling bits through the ATM network. An unstructured(2) passes all bits including framing bits through the ATM network.
INT atmxCesServiceSlotIndex	1.3.6.1.4.1.800.2.4.10.1.1.1.1.1	INTEGER	read-only	A unique value which identifies this HSM board slot.
atmxCesServiceTable	1.3.6.1.4.1.800.2.4.10.1.1.1		not-accessible	This table defines ATM circuit emulation service configuration.
atmxCesSvcConfigEntry	1.3.6.1.4.1.800.2.4.10.1.4.1.1		not-accessible	An entry in the CES SVC table.
atmxCesSvcConfigGroup	1.3.6.1.4.1.800.2.4.10.1.4
INT atmxCesSvcConfigOperStatus	1.3.6.1.4.1.800.2.4.10.1.4.1.1.12	INTEGER	read-only	Describes the status of the active SVC. Valid values are: other - none of the types specified below establishmentInProgress - connection is not operational, but call attempts are ongoing connected - connection is currently operational retriesExhausted - retry limit has been reached and call attempts have ceased noAddressSupplied - no remote address has been configured, so no call attempts are initiated lowerLayerDown - underlying CES IWF is not operational When the entry is not 'active', the value of this object is 'other'.
INT atmxCesSvcConfigRestart	1.3.6.1.4.1.800.2.4.10.1.4.1.1.11	INTEGER	read-write	When the value is set to 'restart' the active SVC is released if necessary and a new setup procedure is begun. As a result of this action, the atmxCesSvcConfigOperStatus object transitions to 'establishmentInProgress' (if not already in this state) and the atmxCesRetryFailures object is cleared. When the value is set to 'noop' no operation is performed. When read, the value 'noop' is returned.
atmxCesSvcConfigTable	1.3.6.1.4.1.800.2.4.10.1.4.1		not-accessible	The table used to manage SVCs established across ATM networks between CES entities.
INT atmxCesSvcFirstRetryInterval	1.3.6.1.4.1.800.2.4.10.1.4.1.1.7	INTEGER	read-write	The time (in 10ths of a second unit) to wait before attempting to establish the SVC after the first failed call attempt. Zero represents an infinite interval indicating no retries.
INT atmxCesSvcLastReleaseCause	1.3.6.1.4.1.800.2.4.10.1.4.1.1.13	INTEGER	read-only	Value of the Cause field of the Cause information element in the last RELEASE signalling message received for this SVC. Indicates the reason for the release.
OCT atmxCesSvcLastReleaseDiagnostics	1.3.6.1.4.1.800.2.4.10.1.4.1.1.14	OCTET STRING	read-only	Value of the first 8 bytes of diagnostic information from the Cause field of the Cause information element in the last RELEASE signalling message received for this active SVC.
INT atmxCesSvcPortIndex	1.3.6.1.4.1.800.2.4.10.1.4.1.1.2	INTEGER	read-only	A unique value which identifies this port.
OCT atmxCesSvcRemoteAddr	1.3.6.1.4.1.800.2.4.10.1.4.1.1.4	OCTET STRING	read-write	The ATM address supporting the corresponding far end CES IWF process. If no address is supplied, no attempts to establish the active SVC are initiated.
INT atmxCesSvcRemoteVci	1.3.6.1.4.1.800.2.4.10.1.4.1.1.6	INTEGER	read-write	The VCI number of the corresponding far end CES IWF process
INT atmxCesSvcRemoteVpi	1.3.6.1.4.1.800.2.4.10.1.4.1.1.5	INTEGER	read-write	The VPI number of the corresponding far end CES IWF process
INT atmxCesSvcRetryFailures	1.3.6.1.4.1.800.2.4.10.1.4.1.1.10	INTEGER	read-only	Indicates how many attempts to establish the connection have failed. This count is reset whenever a connection is successfully established or the active SVC is restarted.
INT atmxCesSvcRetryLimit	1.3.6.1.4.1.800.2.4.10.1.4.1.1.9	INTEGER	read-write	Sets a maximum limit on how many consecutive unsuccessful call setup attempts can be made before stopping the attempt to set up the connection. If this limit is reached then management action will be required (e.g. setting atmxCesSvcConfigRestart to 'restart') to initiate a new attempt to establish the connection. A value of zero indicates no limit - the attempts will continue until successful. If this object is not present, no limit on call attempts is assumed.
INT atmxCesSvcRetryTimer	1.3.6.1.4.1.800.2.4.10.1.4.1.1.8	INTEGER	read-only	Indicates the current value of the retry timer (in seconds) for this connection. When the value reaches zero an attempt will be made to establish the active SVC. When the timer is not running, the value zero shall be returned.
INT atmxCesSvcSlotIndex	1.3.6.1.4.1.800.2.4.10.1.4.1.1.1	INTEGER	read-only	A unique value which identifies this HSM board slot.
INT atmxCesSvcVciIndex	1.3.6.1.4.1.800.2.4.10.1.4.1.1.3	INTEGER	read-only	The virtual channel identifier associated with the virtual connection.
INT atmxCesVccAdminStatus	1.3.6.1.4.1.800.2.4.10.1.2.1.1.8	INTEGER	read-write	The desired state of this virtual circuit. Status delete(3) deletes the virtual circuit.
INT atmxCesVccAtmUplinkPortIndex	1.3.6.1.4.1.800.2.4.10.1.2.1.1.6	INTEGER	read-write	A unique value which identifies the the ATM uplink port.
INT atmxCesVccAtmUplinkSlotIndex	1.3.6.1.4.1.800.2.4.10.1.2.1.1.5	INTEGER	read-write	A unique value which identifies the HSM board slot of the ATM uplink port.
INT atmxCesVccAtmUplinkVccVci	1.3.6.1.4.1.800.2.4.10.1.2.1.1.18	INTEGER	read-write	The virtual channel identifier associated with the ATM uplink port's virtual connection.
INT atmxCesVccAtmUplinkVccVpi	1.3.6.1.4.1.800.2.4.10.1.2.1.1.17	INTEGER	read-write	The virtual path identifier associated with the ATM uplink port's virtual connection.
INT atmxCesVccBufMaxSize	1.3.6.1.4.1.800.2.4.10.1.2.1.1.12	INTEGER	read-write	The maximum size of reassembly buffer in frames. In unstructured mode, a frame is 256 bits. In structured mode, a frame is number of time slots assigned to this virtual circuit. For examples, if 5 time slots assigned to this virtual circuit and this object is set to 50 then buffer size is 250 octets.
INT atmxCesVccCDVT	1.3.6.1.4.1.800.2.4.10.1.2.1.1.13	INTEGER	read-write	This object defines the maximum cell delay variation delay in frame increments that the reassembly process will tolerate in the cell stream without producing errors on the Circuit Emulation interface. In structured mode, a frame equates to 125 microseconds in T1 or E1. In unstructured mode, a frame equates to 256/rate seconds; where rate is the line rate of the Circuit Emulation interface.
INT atmxCesVccCellLossIntegrationPeriod	1.3.6.1.4.1.800.2.4.10.1.2.1.1.14	INTEGER	read-write	The time in seconds for the cell loss integration period. If one of more cells is lost for this period of time, then atmxCesVccCellLossStatus is set to loss(2).
INT atmxCesVccConnType	1.3.6.1.4.1.800.2.4.10.1.2.1.1.10	INTEGER	read-write	The type of ATM connectivity between associated CES IWF's. Valid values are: other - none of the types specified below. pvc - supporting connectivity is permanent virtual connection. activeSvc - attempt calls whenever non is established, passiveSvc - accept calls. initialSvc - attempt calls initially, but eventually cease
STR atmxCesVccDescription	1.3.6.1.4.1.800.2.4.10.1.2.1.1.7	DisplayString	read-write	A description for this virtual connection.
atmxCesVccEntry	1.3.6.1.4.1.800.2.4.10.1.2.1.1		not-accessible	An entry in the table, containing information about the ATM circuit emulation virtual channel connections.
atmxCesVccGroup	1.3.6.1.4.1.800.2.4.10.1.2
INT atmxCesVccIdleCode	1.3.6.1.4.1.800.2.4.10.1.2.1.1.15	INTEGER	read-write	The idle character sent to service emulation interface or to ATM uplink if data is not available.
OCT atmxCesVccLocalAtmAddr	1.3.6.1.4.1.800.2.4.10.1.2.1.1.19	OCTET STRING	read-write	The ATM address of the local CES IWF process. This object is a 20 bytes hex number.
INT atmxCesVccOperStatus	1.3.6.1.4.1.800.2.4.10.1.2.1.1.9	INTEGER	read-only	The current operational state of this virtual circuit.
INT atmxCesVccPartialFill	1.3.6.1.4.1.800.2.4.10.1.2.1.1.11	INTEGER	read-write	If partial cell fill is used, the number of user octets per cell must be set with this parameter. Setting this parameter to zero disables partial cell fill, and causes all cells to be completely filled before they are sent.
INT atmxCesVccPortIndex	1.3.6.1.4.1.800.2.4.10.1.2.1.1.2	INTEGER	read-write	A unique value which identifies the service interface port.
CTR atmxCesVccRateDroppedRxCellOverrun	1.3.6.1.4.1.800.2.4.10.1.3.2.1.11	Counter	read-only	The rate of cells dropped due to receive queue overrun.
CTR atmxCesVccRateDroppedRxCellUnderrun	1.3.6.1.4.1.800.2.4.10.1.3.2.1.10	Counter	read-only	The rate of cells dropped due to receive queue underrun.
atmxCesVccRateEntry	1.3.6.1.4.1.800.2.4.10.1.3.2.1		not-accessible	An entry in the table, containing statistical rate of CES virtual connection.
INT atmxCesVccRatePortIndex	1.3.6.1.4.1.800.2.4.10.1.3.2.1.2	INTEGER	read-only	A unique value which identifies this port.
CTR atmxCesVccRateRxCells	1.3.6.1.4.1.800.2.4.10.1.3.2.1.7	Counter	read-only	The rate of cells received and played out to circuit emulation port.
CTR atmxCesVccRateSeqNumErrors	1.3.6.1.4.1.800.2.4.10.1.3.2.1.9	Counter	read-only	The rate of cells received with unexpected sequence number.
INT atmxCesVccRateSlotIndex	1.3.6.1.4.1.800.2.4.10.1.3.2.1.1	INTEGER	read-only	A unique value which identifies this HSM board slot.
CTR atmxCesVccRateSnpErrors	1.3.6.1.4.1.800.2.4.10.1.3.2.1.8	Counter	read-only	The rate of cells received with uncorrectable Sequence Number Protection (SNP).
CTR atmxCesVccRateSuppressedTxCells	1.3.6.1.4.1.800.2.4.10.1.3.2.1.6	Counter	read-only	The rate of cells that are not sent because of line resynchronization.
atmxCesVccRateTable	1.3.6.1.4.1.800.2.4.10.1.3.2		not-accessible	The Circuit Emulation Service statistical rate for virtual circuits.
CTR atmxCesVccRateTxCondCells	1.3.6.1.4.1.800.2.4.10.1.3.2.1.5	Counter	read-only	The rate of successfully transmitted cells which assembled from conditioned data.
CTR atmxCesVccRateTxDataCells	1.3.6.1.4.1.800.2.4.10.1.3.2.1.4	Counter	read-only	The rate of successfully transmitted cells which assembled from actual data instead of conditioned data.
INT atmxCesVccSlotIndex	1.3.6.1.4.1.800.2.4.10.1.2.1.1.1	INTEGER	read-write	A unique value which identifies the HSM board slot of the service interface.
INT atmxCesVccStatsCellLossStatus	1.3.6.1.4.1.800.2.4.10.1.3.1.1.12	INTEGER	read-only	When cells are lost for the number of milliseconds specified be atmxCesVccCellLossIntegrationPeriod, the value is set to loss(2). When cells are no longer lost, the value is set to noLoss(1).
CTR atmxCesVccStatsDroppedRxCellOverrun	1.3.6.1.4.1.800.2.4.10.1.3.1.1.11	Counter	read-only	The total number of cells dropped due to receive queue overrun.
CTR atmxCesVccStatsDroppedRxCellUnderrun	1.3.6.1.4.1.800.2.4.10.1.3.1.1.10	Counter	read-only	The total number of cells dropped due to receive queue underrun.
atmxCesVccStatsEntry	1.3.6.1.4.1.800.2.4.10.1.3.1.1		not-accessible	An entry in the table, containing statistics of CES virtual connection.
atmxCesVccStatsGroup	1.3.6.1.4.1.800.2.4.10.1.3
INT atmxCesVccStatsPortIndex	1.3.6.1.4.1.800.2.4.10.1.3.1.1.2	INTEGER	read-only	A unique value which identifies this port.
CTR atmxCesVccStatsRxCells	1.3.6.1.4.1.800.2.4.10.1.3.1.1.7	Counter	read-only	The total number of cells received and played out to circuit emulation port.
CTR atmxCesVccStatsSeqNumErrors	1.3.6.1.4.1.800.2.4.10.1.3.1.1.9	Counter	read-only	The total number of cells received with unexpected sequence number.
INT atmxCesVccStatsSlotIndex	1.3.6.1.4.1.800.2.4.10.1.3.1.1.1	INTEGER	read-only	A unique value which identifies this HSM board slot.
CTR atmxCesVccStatsSnpErrors	1.3.6.1.4.1.800.2.4.10.1.3.1.1.8	Counter	read-only	The total number of cells received with uncorrectable Sequence Number Protection (SNP).
CTR atmxCesVccStatsSuppressedTxCells	1.3.6.1.4.1.800.2.4.10.1.3.1.1.6	Counter	read-only	The total number of cells that are not sent because of line resynchronization.
atmxCesVccStatsTable	1.3.6.1.4.1.800.2.4.10.1.3.1		not-accessible	The Circuit Emulation Service statistical data table for virtual circuits.
CTR atmxCesVccStatsTxCondCells	1.3.6.1.4.1.800.2.4.10.1.3.1.1.5	Counter	read-only	The total number of successfully transmitted cells which assembled from conditioned data.
CTR atmxCesVccStatsTxDataCells	1.3.6.1.4.1.800.2.4.10.1.3.1.1.4	Counter	read-only	The total number of successfully transmitted cells which assembled from actual data instead of conditioned data.
atmxCesVccTable	1.3.6.1.4.1.800.2.4.10.1.2.1		not-accessible	A table of ATM virtual channel connections status and parameter information.
OCT atmxCesVccTimeSlots	1.3.6.1.4.1.800.2.4.10.1.2.1.1.16	OCTET STRING	read-write	The list of time slots configured for this virtual circuit. Each octet indicates an available time slot (1 to 32 decimal). It's terminated by an octet 0xFF if less than 32 time slots. If this object only contains octet 0xff then all free time slots of this port are assigned.
atmxCesVccTraps	1.3.6.1.4.1.800.2.4.10.2.1
INT atmxCesVccVci	1.3.6.1.4.1.800.2.4.10.1.2.1.1.4	INTEGER	read-write	The virtual channel identifier associated with the virtual connection.
INT atmxCesVccVpi	1.3.6.1.4.1.800.2.4.10.1.2.1.1.3	INTEGER	read-write	The virtual path identifier associated with this virtual connection.

RFC description

Alcatel Internetworking ATM circuit emulation service configuration, VCC management, and statistics.

Start monitoring Xylan OmniSwitch ATM switch (ATM circuit-emulation-service cell-loss/clock-slip status) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

Download XYLAN-ATM-CE-MIB

What Is XYLAN-ATM-CE-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description