ASCEND-MIBIMAGROUP-MIB

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Category: ATM, Vendor: Ascend/Lucent

Description: Manages Inverse Multiplexing for ATM (IMA) group configuration on Ascend ATM equipment.

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What Is ASCEND-MIBIMAGROUP-MIB?

ASCEND-MIBIMAGROUP-MIB is an Ascend Communications (later Lucent) proprietary MIB configuring IMA (Inverse Multiplexing over ATM) groups on Ascend MAX/Pipeline access equipment, a technique that bonds multiple T1/E1 links into one higher-bandwidth logical ATM link. Each group profile entry names the group and configures whether it is active, its symmetry mode, IMA protocol version, and version-fallback/link-alignment behavior. As a configuration MIB it lets an administrator confirm an IMA group is active and using the intended protocol version before diagnosing a bonded-link synchronization issue. It is deployed on Ascend/Lucent WAN access equipment bonding multiple T1/E1 links via IMA. Engineers can download the ASCEND-MIBIMAGROUP-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ASCEND-MIBIMAGROUP-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 Communications (Lucent) MAX/Pipeline WAN access equipment with IMA-bonded T1/E1 links

Monitoring Examples

An administrator checks imaGroupConfig-Active and imaGroupConfig-Version for a group reporting reduced bandwidth, confirming whether the group is actually active and whether a version mismatch is preventing all member links from joining.

What Can Be Monitored

IMA group active state
IMA protocol version and fallback behavior

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
mibimaGroupConfig	1.3.6.1.4.1.529.23.23
mibimaGroupConfigTable	1.3.6.1.4.1.529.23.23.1		not-accessible	A list of mibimaGroupConfig profile entries.
mibimaGroupConfigEntry	1.3.6.1.4.1.529.23.23.1.1		not-accessible	A mibimaGroupConfig entry containing objects that maps to the parameters of mibimaGroupConfig profile.
STR imaGroupConfig_Name	1.3.6.1.4.1.529.23.23.1.1.1	DisplayString	read-only	Name of IMA Group Config profile.
INT imaGroupConfig_Active	1.3.6.1.4.1.529.23.23.1.1.2	INTEGER	read-write	TRUE if the line is enabled, otherwise FALSE.
INT imaGroupConfig_NailedGroup	1.3.6.1.4.1.529.23.23.1.1.3	INTEGER	read-write	The nailed group to which this IMA group belongs to
INT imaGroupConfig_GroupSymmetryMode	1.3.6.1.4.1.529.23.23.1.1.4	INTEGER	read-write	Symmetry mode of group to which this link belongs to
INT imaGroupConfig_Version	1.3.6.1.4.1.529.23.23.1.1.5	INTEGER	read-write	IMA spec version
INT imaGroupConfig_DoVersionFallback	1.3.6.1.4.1.529.23.23.1.1.6	INTEGER	read-write	Automatically fall back to v 1.0 if FE is detected to be v 1.0, otherwise move to configAborted state
INT imaGroupConfig_Lasr	1.3.6.1.4.1.529.23.23.1.1.7	INTEGER	read-write	enable/disable LASR (Link addition and slow recovery) procedures
INT imaGroupConfig_NeTxClkMode	1.3.6.1.4.1.529.23.23.1.1.8	INTEGER	read-write	Group Clocking mode
INT imaGroupConfig_TxMinNumLinks	1.3.6.1.4.1.529.23.23.1.1.9	INTEGER	read-write	Minimum Number of Tx Links to be active for group to remain in operational state
INT imaGroupConfig_RxMinNumLinks	1.3.6.1.4.1.529.23.23.1.1.10	INTEGER	read-write	Minimum Number of Rx Links to be active for group to remain in operational state
INT imaGroupConfig_ImaId	1.3.6.1.4.1.529.23.23.1.1.11	INTEGER	read-write	IMA ID of the group
INT imaGroupConfig_FrameLength	1.3.6.1.4.1.529.23.23.1.1.12	INTEGER	read-write	Frame length for the group (M)
INT imaGroupConfig_DiffDelayMax	1.3.6.1.4.1.529.23.23.1.1.13	INTEGER	read-write	Maximum differential delay of group in msec
INT imaGroupConfig_CheckFarEndImaId	1.3.6.1.4.1.529.23.23.1.1.14	INTEGER	read-write	check/compare the expected-far-end-ima-id with the far-end IMA ID during group start up
INT imaGroupConfig_ExpectedFarEndImaId	1.3.6.1.4.1.529.23.23.1.1.15	INTEGER	read-write	if check-far-end-ima-id set to yes, then the far-end IMA ID is compared against this number during group startup, GSM moves to ConfigAborted if it does not match
INT imaGroupConfig_FarEndCheckFrameLength	1.3.6.1.4.1.529.23.23.1.1.16	INTEGER	read-write	check/compare the Expected frame length with the far-end frame length during group start up
INT imaGroupConfig_ExpectedFarEndFrameLength	1.3.6.1.4.1.529.23.23.1.1.17	INTEGER	read-write	If far-end-check-frame-length is set to yes, then the far-end frame length is compared against this number during group startup, GSM moves to ConfigAborted, if it does not match.
INT imaGroupConfig_AtmIfDelay	1.3.6.1.4.1.529.23.23.1.1.18	INTEGER	read-write	minimum time (in seconds) between the subsequent ATM layer (ie IDCR changes) indications
INT imaGroupConfig_TppTestLink	1.3.6.1.4.1.529.23.23.1.1.19	INTEGER	read-write	Designate a link index as the test link for use in the Test Pattern Procedure.
INT imaGroupConfig_TppTestPattern	1.3.6.1.4.1.529.23.23.1.1.20	INTEGER	read-write	The test pattern transmitted in the ICP cell (octet 17) on the link during the IMA Test Pattern Procedure.
INT imaGroupConfig_TppState	1.3.6.1.4.1.529.23.23.1.1.21	INTEGER	read-write	Enable or disable the Test Pattern Procedure.
INT imaGroupConfig_VpSwitchingVpi	1.3.6.1.4.1.529.23.23.1.1.22	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 imaGroupConfig_Action_o	1.3.6.1.4.1.529.23.23.1.1.23	INTEGER	read-write
INT imaGroupConfig_IgnoreLineup	1.3.6.1.4.1.529.23.23.1.1.24	INTEGER	read-write	Ignore line up value for this IMA Group.

RFC description

Vendor-private MIB for Ascend communications equipment image/firmware management group.

Start monitoring Ascend Communications (Lucent) ATM switching 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-MIBIMAGROUP-MIB

What Is ASCEND-MIBIMAGROUP-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description