DS0BUNDLE-MIB

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Organization: IETF Trunk MIB Working Group

Last Updated: 1998-07-16

Category: Network Interfaces

Description: Defines managed objects for DS0 Bundle interfaces, which aggregate multiple DS0 channels into a single logical higher-bandwidth interface.

IPNetwork Monitor uses several OIDs from this MIB in network discovery and polling the applicable devices. Start monitoring DS0BUNDLE-MIB with a free 30-day trial of IPNetwork Monitor.

What Is DS0BUNDLE-MIB?

DS0BUNDLE-MIB is a vendor-neutral IETF MIB that defines managed objects for DS0 Bundle interfaces, which aggregate multiple individual 64 kbps DS0 channels into a single logical higher-bandwidth interface (commonly used for inverse multiplexing or bonded circuits). It exposes configuration tables for how DS0 channels are grouped into a bundle and a separate bonding table describing the bonding mode and operational status of the aggregated link. Its monitoring value centers on the operational/fault status of the bundled circuit, letting an operator confirm whether the bonded DS0 group is up, in a degraded bonding mode, or has lost synchronization across member channels, a link-level hardware/interface health indicator rather than CPU or environmental data. It relies on the standard IF-MIB for the underlying ifIndex of member interfaces and is a companion to the broader DS1/DS3/T1 line MIBs used in TDM access networks. It is deployed on TDM/carrier access equipment such as multiplexers and channel banks that bond multiple DS0 timeslots into higher-capacity circuits. Engineers implementing or auditing this functionality typically reference the DS0BUNDLE-MIB RFC/standard documentation for the authoritative specification.

IPNetwork Monitor allows you to monitor SNMP objects defined in DS0BUNDLE-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

vendor-neutral, standards-based MIB, not tied to a specific manufacturer
TDM multiplexer / channel bank supporting DS0 bonding

Monitoring Examples

An operator would poll dsx0BundleTable/dsx0BundleEntry (indexed by dsx0BundleIndex, linked to dsx0BundleIfIndex) to identify which DS0 channels belong to a given bundle and its dsx0BundleCircuitIdentifier, then check dsx0BondingTable/dsx0BondingEntry for dsx0BondMode and dsx0BondStatus to see whether the bonded circuit is fully synchronized or has member channels out of alignment. A dsx0BondStatus showing a degraded or down state while dsx0BundleRowStatus remains active would indicate a partial bonding failure needing investigation.

What Can Be Monitored

DS0 bundle membership
bundle circuit identifier
bonding mode
bonding operational status
bundle row status

Imported Objects

From IF-MIB

InterfaceIndex
ifIndex	OBJECT-TYPE

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-TYPE
transmission

From SNMPv2-TC

DisplayString
RowStatus
TestAndIncr

OIDs

OID symbolic	OID numeric	Type	Access	Description
ds0Bundle	1.3.6.1.2.1.10.82			The MIB module to describe DS0 Bundle interfaces objects.
dsx0BondingTable	1.3.6.1.2.1.10.82.1		not-accessible	The DS0 Bonding table.
dsx0BondingEntry	1.3.6.1.2.1.10.82.1.1		not-accessible	An entry in the DS0 Bonding table. There is a row in this table for each DS0Bundle interface.
INT dsx0BondMode	1.3.6.1.2.1.10.82.1.1.1	INTEGER	read-create	This object indicates which BONDing mode is used, if any, for a ds0Bundle. Mode0 provides parameter and number exchange with no synchronization. Mode 1 provides parameter and number exchange. Mode 1 also provides synchronization during initialization but does not include inband monitoring. Mode 2 provides all of the above plus inband monitoring. Mode 2 also steals 1/64th of the bandwidth of each channel (thus not supporting n x 56/64 kbit/s data channels for most values of n). Mode 3 provides all of the above, but also provides n x 56/64 kbit/s data channels. Most common implementations of Mode 3 add an extra channel to support the inband monitoring overhead. ModeNone should be used when the interface is not performing bandwidth-on-demand.
INT dsx0BondStatus	1.3.6.1.2.1.10.82.1.1.2	INTEGER	read-only	This object indicates the current status of the bonding call using this ds0Bundle. idle(1) should be used when the bonding mode is set to none(1).
ROW dsx0BondRowStatus	1.3.6.1.2.1.10.82.1.1.3	RowStatus	read-create	This object is used to create new rows in this table, modify existing rows, and to delete existing rows.
TES dsx0BundleNextIndex	1.3.6.1.2.1.10.82.2	TestAndIncr	read-write	This object is used to assist the manager in selecting a value for dsx0BundleIndex. Because this object is of syntax TestAndIncr (see the SNMPv2-TC document, RFC 1903) it can also be used to avoid race conditions with multiple managers trying to create rows in the table. If the result of the SET for dsx0BundleNextIndex is not success, this means the value has been changed from index (i.e. another manager used the value), so a new value is required. The algorithm is: done = false while done == false index = GET (dsx0BundleNextIndex.0) SET (dsx0BundleNextIndex.0=index) if (set failed) done = false else SET(dsx0BundleRowStatus.index=createAndGo) if (set failed) done = false else done = true other error handling
dsx0BundleTable	1.3.6.1.2.1.10.82.3		not-accessible	There is an row in this table for each ds0Bundle in the system. This table can be used to (indirectly) create rows in the ifTable with ifType = 'ds0Bundle(82)'.
dsx0BundleEntry	1.3.6.1.2.1.10.82.3.1		not-accessible	There is a row in entry in this table for each ds0Bundle interface.
INT dsx0BundleIndex	1.3.6.1.2.1.10.82.3.1.1	INTEGER	not-accessible	A unique identifier for a ds0Bundle. This is not the same value as ifIndex. This table is not indexed by ifIndex because the manager has to choose the index in a createable row and the agent must be allowed to select ifIndex values.
NUM dsx0BundleIfIndex	1.3.6.1.2.1.10.82.3.1.2	InterfaceIndex	read-only	The ifIndex value the agent selected for the (new) ds0Bundle interface.
STR dsx0BundleCircuitIdentifier	1.3.6.1.2.1.10.82.3.1.3	DisplayString	read-create	This variable contains the transmission vendor's circuit identifier, for the purpose of facilitating troubleshooting.
ROW dsx0BundleRowStatus	1.3.6.1.2.1.10.82.3.1.4	RowStatus	read-create	This object is used to create and delete rows in this table.
ds0BundleConformance	1.3.6.1.2.1.10.82.4
ds0BundleGroups	1.3.6.1.2.1.10.82.4.1
ds0BondingGroup	1.3.6.1.2.1.10.82.4.1.1			A collection of objects providing configuration information applicable to all DS0 interfaces.
ds0BundleConfigGroup	1.3.6.1.2.1.10.82.4.1.2			A collection of objects providing the ability to create a new ds0Bundle in the ifTable as well as configuration information about the ds0Bundle.
ds0BundleCompliances	1.3.6.1.2.1.10.82.4.2
ds0BundleCompliance	1.3.6.1.2.1.10.82.4.2.1			The compliance statement for DS0Bundle interfaces.

RFC description

Manages DS0 Bundle interface configuration and aggregation for DS0 timeslot bundling on trunk interfaces.

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Download DS0BUNDLE-MIB

What Is DS0BUNDLE-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description