ASCEND-MIBSHDSLNET-MIB

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Category: DSL and Broadband, Vendor: Ascend/Lucent

Description: Manages SHDSL network interface configuration and performance counters on Ascend DSL equipment.

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What Is ASCEND-MIBSHDSLNET-MIB?

ASCEND-MIBSHDSLNET-MIB is an Ascend proprietary MIB managing SHDSL (Single-pair High-speed DSL) network interfaces, covering line configuration and performance counters on Ascend DSL access equipment. It exposes line rate/mode configuration alongside performance statistics such as errored seconds and loss-of-sync events. Its monitoring focus is physical-layer performance/fault detection: line synchronization status and error-second counts reveal copper-loop DSL line health. It parallels concepts found in IETF standard SHDSL/HDSL2-SHDSL line MIBs. It was deployed on Ascend DSLAM/CPE equipment delivering SHDSL business-grade DSL circuits. Engineers can download the ASCEND-MIBSHDSLNET-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ASCEND-MIBSHDSLNET-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 SHDSL DSLAM/CPE equipment

Monitoring Examples

No sample objects were captured for this module. Based on its purpose, it would expose per-line SHDSL sync status and error-second counters, which an operator polls to detect a line losing sync or exceeding error thresholds, indicating copper-loop degradation.

What Can Be Monitored

SHDSL line sync status
errored seconds/performance counters
line rate/mode configuration

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
mibshdslNetworkProfile	1.3.6.1.4.1.529.23.147
mibshdslNetworkProfileTable	1.3.6.1.4.1.529.23.147.1		not-accessible	A list of mibshdslNetworkProfile profile entries.
mibshdslNetworkProfileEntry	1.3.6.1.4.1.529.23.147.1.1		not-accessible	A mibshdslNetworkProfile entry containing objects that maps to the parameters of mibshdslNetworkProfile profile.
INT shdslNetworkProfile_Shelf_o	1.3.6.1.4.1.529.23.147.1.1.1	INTEGER	read-only
INT shdslNetworkProfile_Slot_o	1.3.6.1.4.1.529.23.147.1.1.2	INTEGER	read-only
INT shdslNetworkProfile_Item_o	1.3.6.1.4.1.529.23.147.1.1.3	INTEGER	read-only
STR shdslNetworkProfile_Name	1.3.6.1.4.1.529.23.147.1.1.4	DisplayString	read-write	For future use. The current design does not use the name field but instead references Shdsl lines by the physical address; we may in the future support referencing Shdsl lines by name as well as by address. The name consists of a null terminated ascii string supplied by the user; it defaults to the ascii form of the Shdsl line physical address.
INT shdslNetworkProfile_PhysicalAddress_Shelf	1.3.6.1.4.1.529.23.147.1.1.5	INTEGER	read-write	The number of the shelf that the addressed physical device resides on.
INT shdslNetworkProfile_PhysicalAddress_Slot	1.3.6.1.4.1.529.23.147.1.1.6	INTEGER	read-write	The number of the slot that the addressed physical device resides on.
INT shdslNetworkProfile_PhysicalAddress_ItemNumber	1.3.6.1.4.1.529.23.147.1.1.7	INTEGER	read-write	A number that specifies an addressable entity within the context of shelf and slot.
INT shdslNetworkProfile_Enabled	1.3.6.1.4.1.529.23.147.1.1.8	INTEGER	read-write	TRUE if the line is enabled, otherwise FALSE.
INT shdslNetworkProfile_SparingMode	1.3.6.1.4.1.529.23.147.1.1.9	INTEGER	read-write	Port sparing operational mode for this port.
INT shdslNetworkProfile_IgnoreLineup	1.3.6.1.4.1.529.23.147.1.1.10	INTEGER	read-write	Ignore line up value for this port.
INT shdslNetworkProfile_ProfileNumber	1.3.6.1.4.1.529.23.147.1.1.11	INTEGER	read-write	For potential backwards compatibility. The current design consists of one line profile numbered 0.
INT shdslNetworkProfile_LineConfig_TrunkGroup	1.3.6.1.4.1.529.23.147.1.1.12	INTEGER	read-write	The trunk group to which this line is assigned. 0 means this line is not part of a trunk group.
INT shdslNetworkProfile_LineConfig_NailedGroup	1.3.6.1.4.1.529.23.147.1.1.13	INTEGER	read-write	A number that identifies the set of lines that makes up a nailed group. 0 means this line is not part of a nailed group.
INT shdslNetworkProfile_LineConfig_VpSwitchingVpi	1.3.6.1.4.1.529.23.147.1.1.14	INTEGER	read-write	The Vpi to be used for the VP switching. Rest of the valid VPIs in valid vpi-vci-range will be used for the VC switching. Changes in this range will take effect immediately. THE USER SHOULD BE VERY CAREFUL WHILE CHANGING THIS VALUE BECAUSE ALL CONNECTIONS ON THE LIM WHERE THIS PORT BELONGS WILL BE DROPPED IN ORDER TO MAKE THIS NEW VALUE EFFECTIVE IMMEDIATELY.
INT shdslNetworkProfile_LineConfig_RoutePort_SlotNumber_SlotNumber	1.3.6.1.4.1.529.23.147.1.1.15	INTEGER	read-write
INT shdslNetworkProfile_LineConfig_RoutePort_SlotNumber_ShelfNumber	1.3.6.1.4.1.529.23.147.1.1.16	INTEGER	read-write	TNT is a multi shelf system. To minimise the changes required to existing code the shelf number is added to this structure as it will almost always be needed when a slot number is needed.
INT shdslNetworkProfile_LineConfig_RoutePort_RelativePortNumber_RelativePortNumber	1.3.6.1.4.1.529.23.147.1.1.17	INTEGER	read-write
INT shdslNetworkProfile_LineConfig_Activation	1.3.6.1.4.1.529.23.147.1.1.18	INTEGER	read-write	Line activation mode.
INT shdslNetworkProfile_LineConfig_CallRouteInfo_Shelf	1.3.6.1.4.1.529.23.147.1.1.19	INTEGER	read-write	The number of the shelf that the addressed physical device resides on.
INT shdslNetworkProfile_LineConfig_CallRouteInfo_Slot	1.3.6.1.4.1.529.23.147.1.1.20	INTEGER	read-write	The number of the slot that the addressed physical device resides on.
INT shdslNetworkProfile_LineConfig_CallRouteInfo_ItemNumber	1.3.6.1.4.1.529.23.147.1.1.21	INTEGER	read-write	A number that specifies an addressable entity within the context of shelf and slot.
INT shdslNetworkProfile_LineConfig_UnitType	1.3.6.1.4.1.529.23.147.1.1.22	INTEGER	read-write	The Unit Type defines if a line is acting as either a Central Office (COE) or Customer Premise Equipment (CPE). Note that the remote unit needs to be configured opposite to this configureation.
INT shdslNetworkProfile_LineConfig_NtrEnabled	1.3.6.1.4.1.529.23.147.1.1.23	INTEGER	read-write	TRUE if NTR functionality is enabled, otherwise FALSE. If the unit-type is COE, it will take the system clock as the input when NTR is enabled and allow the remote CPE port to recover the clock. If the unit-type is CPE, it will allow the port to possibly output the recovered clock as the system clock (if elected, see clock-source and clock-priority fields) when NTR is enabled.
INT shdslNetworkProfile_LineConfig_ClockSource	1.3.6.1.4.1.529.23.147.1.1.24	INTEGER	read-write	Determine whether the 8KHz clock from the SHDSL line (unit-type has to be CPE and ntr-enabled has to be yes) is eligible to be used as the 8KHz system clock source.
INT shdslNetworkProfile_LineConfig_ClockPriority	1.3.6.1.4.1.529.23.147.1.1.25	INTEGER	read-write	Clock priority assigned to the SHDSL line. Used to select a particular SHDSL line as the 8KHz system clock source.
INT shdslNetworkProfile_LineConfig_LoopBack	1.3.6.1.4.1.529.23.147.1.1.26	INTEGER	read-write	Configuration of different modem loopbacks.
INT shdslNetworkProfile_LineConfig_Margin	1.3.6.1.4.1.529.23.147.1.1.27	INTEGER	read-write	Selects a margin range between the signal to noise floor.
INT shdslNetworkProfile_LineConfig_RateMode	1.3.6.1.4.1.529.23.147.1.1.28	INTEGER	read-write	Used for G.SHDSL technology. Selects if the modem operates in Fixed or Auto rate mode.
INT shdslNetworkProfile_LineConfig_MinRate	1.3.6.1.4.1.529.23.147.1.1.29	INTEGER	read-write	Used for G.SHDSL technology. When the rate-mode is set to Auto, this is the minimum rate the modem will train to.
INT shdslNetworkProfile_LineConfig_MaxRate	1.3.6.1.4.1.529.23.147.1.1.30	INTEGER	read-write	Used for G.SHDSL technology. When the rate-mode is set to Auto, this is the maximum rate the modem will train to. When the rate-mode is set to Fixed, this is the only rate the mode trains to.
INT shdslNetworkProfile_LineConfig_GshdslStandardNetworkType	1.3.6.1.4.1.529.23.147.1.1.31	INTEGER	read-write	Per the G.SHDSL Standard G.991.2. This parameter allows selection for the modem to operate either the North American Annex 'A' or European Annex 'B' standard network types. The setting of auto-detect is only valid for CPE to train off of COE Standard Network settings.
INT shdslNetworkProfile_LineConfig_GshdslPsdType	1.3.6.1.4.1.529.23.147.1.1.32	INTEGER	read-write	Per the G.SHDSL Standard G.911.2. This parameter allows selection for the modem to output a symmetric PSD at all rates or asymmetric PSD's at fixed rates of 776kbps or 1544kbps, for Annex A networks. Annex B networks support fixed rates of 2056kbps or 2304kbps. The setting of auto-detect is only valid for CPE to train off of COE PSD settings.
INT shdslNetworkProfile_Action_o	1.3.6.1.4.1.529.23.147.1.1.33	INTEGER	read-write
INT shdslNetworkProfile_LineConfig_SnextMargin	1.3.6.1.4.1.529.23.147.1.1.34	INTEGER	read-write	Selects a Snext margin range with a worst-case self next noise model given current loop insertion loss.
INT shdslNetworkProfile_LineConfig_AnnexbAnfpEnabled	1.3.6.1.4.1.529.23.147.1.1.35	INTEGER	read-write	TRUE if Annex B ANFP functionality is enabled, otherwise FALSE. The gshdsl-standard-network-type must be set to European Annex B, and the port cannot be CPE. This field makes the modem perform in Annex B mode, but slightly differently. This is to comply with the UK ANFP requirements and pass the BTexact Technologies PSD measurement technique to meet BT approval. Only enable this field for that test specifically.
INT shdslNetworkProfile_LineConfig_MasterBindingPort	1.3.6.1.4.1.529.23.147.1.1.36	INTEGER	read-write	This parameter defines if a port is used as a master or slave for port binding purposes. Only odd ports are configured masters for the binding feature. When the master is enabled, the master port will be bound with the next even port number. Binding two SHDSL ports together will aggregate their bandwidths together. This does not apply to HDSL2 modem technology. Other line configuration rules: 1) Port rate mode needs to be Fixed. 2) The master ports max-rate and rate-mode are used for both ports. 3) Both ports need to be enabled.

RFC description

Configuration parameters for Ascend SHDSL network profiles including physical addresses and line settings.

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Download ASCEND-MIBSHDSLNET-MIB

What Is ASCEND-MIBSHDSLNET-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description