ASCEND-MIBDSLTHRESH-MIB

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Category: DSL and Broadband, Vendor: Ascend/Lucent

Description: Defines DSL performance threshold configuration and threshold-crossing alerts on Ascend equipment.

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What Is ASCEND-MIBDSLTHRESH-MIB?

ASCEND-MIBDSLTHRESH-MIB is a proprietary Ascend module that defines performance threshold configuration and threshold-crossing alert (TCA) behavior for DSL lines on Ascend DSL access equipment. It exposes configurable threshold values for DSL performance parameters (such as error rates) alongside the alerting/trap behavior triggered when a line crosses those thresholds. Its monitoring value is squarely in fault detection: it lets an operator be notified when a DSL line's error or noise-margin performance degrades past an acceptable level, functioning as an early-warning system for line/hardware degradation. It parallels concepts found in IETF xDSL performance MIBs (e.g. HDSL2-SHDSL-LINE-MIB, ADSL-LINE-MIB) but implements its own threshold/alert object tree. It is deployed on DSLAM and DSL access multiplexer equipment in carrier or enterprise broadband access networks. Engineers can download the ASCEND-MIBDSLTHRESH-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ASCEND-MIBDSLTHRESH-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

Ascend DSLAM
Ascend DSL access equipment

Monitoring Examples

sample_objects was empty for this module; the following is inferred from its declared purpose. An operator would configure per-line threshold values for error events and would rely on generated traps to learn when a specific DSL port has crossed its configured threshold, indicating a physical line problem worth dispatching a technician for. This threshold data is normally reviewed alongside a DSL line performance MIB that reports the underlying raw counters.

What Can Be Monitored

DSL performance threshold settings
threshold-crossing alert/trap status
per-line error-rate thresholds

Imported Objects

From ASCEND-MIB

configuration

OBJECT-IDENTITY

From RFC-1212

OBJECT-TYPE

From RFC1155-SMI

IpAddress

OIDs

OID symbolic	OID numeric	Type	Access	Description
mibdslThreshProfile	1.3.6.1.4.1.529.23.75
mibdslThreshProfileTable	1.3.6.1.4.1.529.23.75.1		not-accessible	A list of mibdslThreshProfile profile entries.
mibdslThreshProfileEntry	1.3.6.1.4.1.529.23.75.1.1		not-accessible	A mibdslThreshProfile entry containing objects that maps to the parameters of mibdslThreshProfile profile.
STR dslThreshProfile_Name	1.3.6.1.4.1.529.23.75.1.1.1	DisplayString	read-only	The name consists of a null terminated ascii string supplied by the user.
INT dslThreshProfile_PhysicalAddress_Shelf	1.3.6.1.4.1.529.23.75.1.1.2	INTEGER	read-write	The number of the shelf that the addressed physical device resides on.
INT dslThreshProfile_PhysicalAddress_Slot	1.3.6.1.4.1.529.23.75.1.1.3	INTEGER	read-write	The number of the slot that the addressed physical device resides on.
INT dslThreshProfile_PhysicalAddress_ItemNumber	1.3.6.1.4.1.529.23.75.1.1.4	INTEGER	read-write	A number that specifies an addressable entity within the context of shelf and slot.
INT dslThreshProfile_Enabled	1.3.6.1.4.1.529.23.75.1.1.5	INTEGER	read-write	TRUE if any trap of this line needs to be monitored.
INT dslThreshProfile_Atuc15minLofs	1.3.6.1.4.1.529.23.75.1.1.6	INTEGER	read-write	The number of Loss of Frame Seconds encountered by a DSL interface within any given 15 min. performance data collection period, which causes the SNMP agent to send a trap. One trap will be sent per interval per interface. A value 0 disables the trap.
INT dslThreshProfile_Atuc15minLoss	1.3.6.1.4.1.529.23.75.1.1.7	INTEGER	read-write	The number of Loss of Signal Seconds encountered by a DSL interface within any given 15 min. performance data collection period, which causes the SNMP agent to send a trap. One trap will be sent per interval per interface. A value 0 disables the trap.
INT dslThreshProfile_Atuc15minLols	1.3.6.1.4.1.529.23.75.1.1.8	INTEGER	read-write	The number of Loss of Link Seconds encountered by a DSL interface within any given 15 min. performance data collection period, which causes the SNMP agent to send a trap. One trap will be sent per interval per interface. A value 0 disables the trap.
INT dslThreshProfile_Atuc15minLprs	1.3.6.1.4.1.529.23.75.1.1.9	INTEGER	read-write	The number of Loss of Power Seconds encountered by a DSL interface within any given 15 min. performance data collection period, which causes the SNMP agent to send a trap. One trap will be sent per interval per interface. A value 0 disables the trap.
INT dslThreshProfile_Atuc15minEss	1.3.6.1.4.1.529.23.75.1.1.10	INTEGER	read-write	The number of Errored Seconds encountered by a DSL interface within any given 15 min. performance data collection period, which causes the SNMP agent to send a trap. One trap will be sent per interval per interface. A value 0 disables the trap.
INT dslThreshProfile_AtucFastRateUp	1.3.6.1.4.1.529.23.75.1.1.11	INTEGER	read-write	Applies to Fast channels only. Configured change in rate causing a trap to be sent. A trap is produced when ChanCurrTxRate >= ChanPrevTxRate plus the value of this object. A value 0 disables the trap.
INT dslThreshProfile_AtucInterleaveRateUp	1.3.6.1.4.1.529.23.75.1.1.12	INTEGER	read-write	Applies to Interleave channels only. Configured change in rate causing a trap to be sent. A trap is produced when ChanCurrTxRate >= ChanPrevTxRate plus the value of this object. A value 0 disables the trap.
INT dslThreshProfile_AtucFastRateDown	1.3.6.1.4.1.529.23.75.1.1.13	INTEGER	read-write	Applies to Fast channels only. Configured change in rate causing a trap to be sent. A trap is produced when ChanCurrTxRate <= ChanPrevTxRate minus the value of this object. A value 0 disables the trap.
INT dslThreshProfile_AtucInterleaveRateDown	1.3.6.1.4.1.529.23.75.1.1.14	INTEGER	read-write	Applies to Interleave channels only. Configured change in rate causing a trap to be sent. A trap is produced when ChanCurrTxRate <= ChanPrevTxRate minus the value of this object. A value 0 disables the trap.
INT dslThreshProfile_AtucInitFailureTrap	1.3.6.1.4.1.529.23.75.1.1.15	INTEGER	read-write	Enables and disables the InitFailureTrap.
INT dslThreshProfile_Action_o	1.3.6.1.4.1.529.23.75.1.1.16	INTEGER	read-write
INT dslThreshProfile_Atur15minLofs	1.3.6.1.4.1.529.23.75.1.1.17	INTEGER	read-write	The number of Loss of Frame Seconds encountered by an ADSL interface within any given 15 minute performance data collection period, which causes the SNMP agent to send a adslAturPerfLofsThreshTrap trap. One trap will be sent per interval per interface. A value 0 disables the trap.
INT dslThreshProfile_Atur15minLoss	1.3.6.1.4.1.529.23.75.1.1.18	INTEGER	read-write	The number of Loss of Signal Seconds encountered by an ADSL interface within any given 15 minute performance data collection period, which causes the SNMP agent to send a adslAturPerfLossThreshTrap trap. One trap will be sent per interval per interface. A value 0 disables the trap.
INT dslThreshProfile_Atur15minLprs	1.3.6.1.4.1.529.23.75.1.1.19	INTEGER	read-write	The number of Loss of Power Seconds encountered by an ADSL interface within any given 15 minute performance data collection period, which causes the SNMP agent to send a adslAturPerfLprsThreshTrap trap. One trap will be sent per interval per interface. A value 0 disables the trap.
INT dslThreshProfile_Atur15minEss	1.3.6.1.4.1.529.23.75.1.1.20	INTEGER	read-write	The number of Errored Seconds encountered by an ADSL interface within any given 15 minute performance data collection period, which causes the SNMP agent to send a trap adslAturPerfESsThreshTrap. One trap will be sent per interval per interface. A value 0 disables the trap.
INT dslThreshProfile_AturFastRateUp	1.3.6.1.4.1.529.23.75.1.1.21	INTEGER	read-write	Applies to Fast channels only. Configured change in rate causing a adslAturRateChangeTrap trap to be sent. A trap is produced when ChanCurrTxRate >= ChanPrevTxRate plus the value of this object. A value 0 disables the trap.
INT dslThreshProfile_AturInterleaveRateUp	1.3.6.1.4.1.529.23.75.1.1.22	INTEGER	read-write	Applies to Interleave channels only. Configured change in rate causing a adslAturRateChangeTrap trap to be sent. A trap is produced when ChanCurrTxRate >= ChanPrevTxRate plus the value of this object. A value 0 disables the trap.
INT dslThreshProfile_AturFastRateDown	1.3.6.1.4.1.529.23.75.1.1.23	INTEGER	read-write	Applies to Fast channels only. Configured change in rate causing a adslAturRateChangeTrap trap to be sent. A trap is produced when ChanCurrTxRate <= ChanPrevTxRate minus the value of this object. A value 0 disables the trap.
INT dslThreshProfile_AturInterleaveRateDown	1.3.6.1.4.1.529.23.75.1.1.24	INTEGER	read-write	Applies to Interleave channels only. Configured change in rate causing a adslAturRateChangeTrap trap to be sent. A trap is produced when ChanCurrTxRate <= ChanPrevTxRate minus the value of this object. A value 0 disables the trap.

RFC description

Configures DSL line threshold profiles for monitoring signal quality and performance metrics.

Start monitoring Ascend Communications ADSL DSLAM/access equipment (legacy) 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 ASCEND-MIBDSLTHRESH-MIB

What Is ASCEND-MIBDSLTHRESH-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description