CIENA-CES-TIME-SYNC-MIB

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Organization: Ciena, Inc

Last Updated: 2012-06-20

Category: Device Management, Vendor: Ciena

Description: Manages NTP/SNTP time synchronization settings on Ciena CES Carrier Ethernet switches.

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What Is CIENA-CES-TIME-SYNC-MIB?

CIENA-CES-TIME-SYNC-MIB is a Ciena vendor MIB managing the System Timing feature on Carrier Ethernet Switching (CES) platforms, covering both timing input protection and output distribution for network synchronization. It exposes input synchronization protection group and protection-unit tables for redundant timing source selection, and an output table describing how the recovered/generated timing signal is distributed from the switch. Its monitoring value is primarily software/hardware timing-status oriented, verifying which timing source is currently active, whether protection switching between redundant sync sources has occurred, and whether the timing output is healthy, which matters because loss of synchronization can degrade or fail TDM/circuit-emulation and mobile backhaul services carried over the switch. It is a Ciena vendor MIB associated with the broader network synchronization/timing feature set, analogous in purpose to standards like SyncE and IEEE 1588 PTP though implemented as a proprietary MIB here. It's deployed in mobile backhaul and TDM circuit-emulation networks running Ciena CES switches where precise clock synchronization is a service requirement. Network engineers evaluating or troubleshooting this functionality can download the CIENA-CES-TIME-SYNC-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in CIENA-CES-TIME-SYNC-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

Ciena CES Carrier Ethernet switch

Monitoring Examples

An operator polls cienaCesSyncInputProtectionGroupTable and cienaCesSyncInputProtectionUnitTable to determine which timing input is currently selected as the active reference and whether a protection switchover has occurred. cienaCesSyncOutputTable is checked to confirm the switch is correctly distributing its recovered timing signal to downstream equipment. If the active input unit in the protection group table changes unexpectedly, it usually indicates the previously selected timing source degraded or was lost, triggering a failover to a backup reference.

What Can Be Monitored

active timing source selection
sync input protection group state
protection switchover events
timing output distribution status

Imported Objects

From CIENA-GLOBAL-MIB

cienaGlobalMacAddress	OBJECT-TYPE
cienaGlobalSeverity	OBJECT-TYPE

From CIENA-SMI

cienaCesConfig	OBJECT-IDENTITY
cienaCesNotifications	OBJECT-IDENTITY

From CIENA-TC

CienaGlobalState

From SNMPv2-SMI

Integer32
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

DisplayString
TEXTUAL-CONVENTION

OIDs

OID symbolic	OID numeric	Type	Access	Description
cienaCesTimeSyncMIB	1.3.6.1.4.1.1271.2.1.28			This MIB module defines objects and associated notifications for the System Timing feature.
cienaCesTimeSyncMIBObjects	1.3.6.1.4.1.1271.2.1.28.1
cienaCesTimeSyncObjects	1.3.6.1.4.1.1271.2.1.28.1.1
CIE cienaCesSyncAdminState	1.3.6.1.4.1.1271.2.1.28.1.1.1	CienaGlobalState	read-only	Globally enable/disable Sync
INT cienaCesSyncOptionType	1.3.6.1.4.1.1271.2.1.28.1.1.2	INTEGER	read-only	Indication of which set of SSM values being used. Option 1 is for International standard and Option 2 is for North American.
INT cienaCesSyncRevertiveMode	1.3.6.1.4.1.1271.2.1.28.1.1.3	INTEGER	read-only	Revertive mode.
U32 cienaCesSyncWaitToRestoreTimer	1.3.6.1.4.1.1271.2.1.28.1.1.4	Unsigned32	read-only	User configured timer for a timing reference source to wait before transitioning from bad to good clock signal.
cienaCesSyncInputProtectionGroupTable	1.3.6.1.4.1.1271.2.1.28.1.1.5		not-accessible	A table of protection groups for input timing reference.
cienaCesSyncInputProtectionGroupEntry	1.3.6.1.4.1.1271.2.1.28.1.1.5.1		not-accessible	An entry in this table represents information on a protection group for input timing reference
I32 cienaCesInputPGEntityId	1.3.6.1.4.1.1271.2.1.28.1.1.5.1.1	Integer32	not-accessible	The unique identifier of this input protection group.
STR cienaCesInputPGEntityName	1.3.6.1.4.1.1271.2.1.28.1.1.5.1.2	DisplayString	read-only	The unique name of this input protection group.
STR cienaCesInputPGPreferredReference	1.3.6.1.4.1.1271.2.1.28.1.1.5.1.3	DisplayString	read-only	Preferred timing reference source, configured by users.
STR cienaCesInputPGSelectedReference	1.3.6.1.4.1.1271.2.1.28.1.1.5.1.4	DisplayString	read-only	System selected timing reference source.
STR cienaCesInputPGForcedReference	1.3.6.1.4.1.1271.2.1.28.1.1.5.1.5	DisplayString	read-only	System was forced to used this timing reference source.
SSM cienaCesInputPGThresholdQualityLevel	1.3.6.1.4.1.1271.2.1.28.1.1.5.1.6	SsmStratumLevel	read-only	Specified Quality Level threshold for a reference source being selected.
CIE cienaCesInputPGState	1.3.6.1.4.1.1271.2.1.28.1.1.5.1.7	CienaGlobalState	read-only	Configured state of this protection group.
STR cienaCesInputPGStateDuration	1.3.6.1.4.1.1271.2.1.28.1.1.5.1.8	DisplayString	read-only	Duration since the system entered current state.
U32 cienaCesInputPGReferenceSwitchCount	1.3.6.1.4.1.1271.2.1.28.1.1.5.1.9	Unsigned32	read-only	The number of timing reference switching since the system stared up.
INT cienaCesInputPGOperationalStatus	1.3.6.1.4.1.1271.2.1.28.1.1.5.1.10	INTEGER	read-only	Operational status of this protection group.
cienaCesSyncInputProtectionUnitTable	1.3.6.1.4.1.1271.2.1.28.1.1.6		not-accessible	A table of protection units for input timing reference.
cienaCesSyncInputProtectionUnitEntry	1.3.6.1.4.1.1271.2.1.28.1.1.6.1		not-accessible	An entry in this table represents information on a protection unit for input timing reference.
I32 cienaCesInputPUEntityId	1.3.6.1.4.1.1271.2.1.28.1.1.6.1.1	Integer32	not-accessible	The unique identifier of this input protection unit.
STR cienaCesInputPUEntityName	1.3.6.1.4.1.1271.2.1.28.1.1.6.1.2	DisplayString	read-only	The unique name of this input protection unit.
STR cienaCesInputPUPGEntityName	1.3.6.1.4.1.1271.2.1.28.1.1.6.1.3	DisplayString	read-only	The identifier of the input protection group which this input protection unit belongs to.
STR cienaCesInputPUTimingInterfaceName	1.3.6.1.4.1.1271.2.1.28.1.1.6.1.4	DisplayString	read-only	The interface name of this input protection unit.
NUM cienaCesInputPUTimingInterfaceProtocol	1.3.6.1.4.1.1271.2.1.28.1.1.6.1.5	SyncInterfaceProtocol	read-only	The interface protocol of this input protection unit.
U32 cienaCesInputPUUserPriority	1.3.6.1.4.1.1271.2.1.28.1.1.6.1.6	Unsigned32	read-only	The user configured priority of this input protection unit.
SSM cienaCesInputPUOperationalQL	1.3.6.1.4.1.1271.2.1.28.1.1.6.1.7	SsmStratumLevel	read-only	Operational clock quality level of this input protection unit.
SSM cienaCesInputPUForcedQL	1.3.6.1.4.1.1271.2.1.28.1.1.6.1.8	SsmStratumLevel	read-only	User configured clock quality level that this input protection unit is forced to operate at.
SSM cienaCesInputPUReceivedQL	1.3.6.1.4.1.1271.2.1.28.1.1.6.1.9	SsmStratumLevel	read-only	Actual received clock quality level of this input protection unit.
INT cienaCesInputPUSsmEnabled	1.3.6.1.4.1.1271.2.1.28.1.1.6.1.10	INTEGER	read-only	Enable/disable reading of actual received clock quality level for this input protection unit.
SYN cienaCesInputPUOperationalStatus	1.3.6.1.4.1.1271.2.1.28.1.1.6.1.11	SyncRefOperationalStatus	read-only	Operational status of this input protection unit.
SYN cienaCesInputPUBITSSignalMode	1.3.6.1.4.1.1271.2.1.28.1.1.6.1.12	SyncBITSSignalMode	read-only	BITS Signal Mode, set if BITS signal is used as a protection unit.
SYN cienaCesInputPUBITSSignalFormat	1.3.6.1.4.1.1271.2.1.28.1.1.6.1.13	SyncBITSSignalFormat	read-only	BITS Signal Format, set if BITS signal is used as a protection unit.
SYN cienaCesInputPUBITSSignalEncoding	1.3.6.1.4.1.1271.2.1.28.1.1.6.1.14	SyncBITSSignalEncoding	read-only	BITS Signal encoding, set if BITS signal is used as a protection unit.
cienaCesSyncOutputTable	1.3.6.1.4.1.1271.2.1.28.1.1.7		not-accessible	A table of output timing references.
cienaCesSyncOutputEntry	1.3.6.1.4.1.1271.2.1.28.1.1.7.1		not-accessible	An entry in this table represents information for an output timing reference.
I32 cienaCesOutputEntityId	1.3.6.1.4.1.1271.2.1.28.1.1.7.1.1	Integer32	not-accessible	The unique identifier of this output reference entity.
STR cienaCesOutputEntityName	1.3.6.1.4.1.1271.2.1.28.1.1.7.1.2	DisplayString	read-only	The unique name of this output reference entity.
STR cienaCesOutputTimingInterfaceName	1.3.6.1.4.1.1271.2.1.28.1.1.7.1.3	DisplayString	read-only	The interface name of this output reference.
NUM cienaCesOutputTimingInterfaceProtocol	1.3.6.1.4.1.1271.2.1.28.1.1.7.1.4	SyncInterfaceProtocol	read-only	The interface protocol of this output reference.
SSM cienaCesOutputOperationalQL	1.3.6.1.4.1.1271.2.1.28.1.1.7.1.5	SsmStratumLevel	read-only	Operational clock quality level of this output reference.
SYN cienaCesOutputOperationalStatus	1.3.6.1.4.1.1271.2.1.28.1.1.7.1.6	SyncRefOperationalStatus	read-only	Operational status of this output reference.
SYN cienaCesOutputBITSSignalMode	1.3.6.1.4.1.1271.2.1.28.1.1.7.1.7	SyncBITSSignalMode	read-only	BITS Signal Mode, set if BITS signal is used as an output reference.
SYN cienaCesOutputBITSSignalFormat	1.3.6.1.4.1.1271.2.1.28.1.1.7.1.8	SyncBITSSignalFormat	read-only	BITS Signal Format, set if BITS signal is used as an output reference.
SYN cienaCesOutputBITSSignalEncoding	1.3.6.1.4.1.1271.2.1.28.1.1.7.1.9	SyncBITSSignalEncoding	read-only	BITS Signal encoding, set if BITS signal is used as an output reference.
INT cienaCesOutputBITSSignalLineBuildout	1.3.6.1.4.1.1271.2.1.28.1.1.7.1.10	INTEGER	read-only	BITS Signal Line Buildout, set if BITS signal is used as an output reference.
INT cienaCesOutputBITSSignalSsmLocation	1.3.6.1.4.1.1271.2.1.28.1.1.7.1.11	INTEGER	read-only	BITS Signal Ssm Location, set if BITS signal is used as an output reference.
cienaCesTimeSyncMIBNotificationPrefix	1.3.6.1.4.1.1271.2.2.28
cienaCesTimeSyncMIBNotifications	1.3.6.1.4.1.1271.2.2.28.0
NTF cienaCesSyncInputPUStateChangeNotification	1.3.6.1.4.1.1271.2.2.28.0.1			Sent when a timing reference source failed.
NTF cienaCesSyncInputProtectionGroupStateChangeNotification	1.3.6.1.4.1.1271.2.2.28.0.2			Sent when system timing could not lock into a reference source and entered hold over state.

RFC description

Ciena vendor-private MIB for managing time synchronization on Ciena Coherent Ethernet Systems (CES) platforms.

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Download CIENA-CES-TIME-SYNC-MIB

What Is CIENA-CES-TIME-SYNC-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description