ATM-DXI-MIB

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Category: ATM

Description: Manages ATM Data Exchange Interface (DXI) mode 1a/1b/2 virtual circuits, encapsulation, and frame statistics per RFC 1695.

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What Is ATM-DXI-MIB?

This is an IETF standards-based MIB defining managed objects for the ATM Data Exchange Interface (DXI), a WAN interface type used to connect a router or DSU/CSU to an ATM network using a simplified frame-based protocol in mode 1a, 1b, or 2. It exposes per-interface DXI mode/encapsulation configuration alongside frame and error statistics for the virtual circuits carried over that interface. Its monitoring emphasis is on interface performance and fault data: frame counts and error statistics reveal whether a DXI link is passing traffic cleanly or experiencing framing/encapsulation problems, which is the software/protocol-layer equivalent of hardware health for this interface type. It extends the standard Interfaces group (IF-MIB, RFC 2863) since a DXI interface is registered as an interface type within that framework. It is deployed on legacy routers and DSU/CSUs using ATM DXI to connect into ATM backbone networks. Engineers can download the ATM-DXI-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ATM-DXI-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
router or DSU/CSU with an ATM DXI interface

Monitoring Examples

No sample object names were provided for this MIB, so specific identifiers can't be cited here. Conceptually, an admin would poll per-interface DXI mode (1a/1b/2) and encapsulation configuration alongside per-virtual-circuit frame and error counters, and a rising error-frame count on a given VC would reveal a failing ATM DXI link or a mode/encapsulation mismatch between the router and the ATM network.

What Can Be Monitored

ATM DXI interface mode configuration
virtual circuit configuration
DXI frame/error statistics
encapsulation type

Imported Objects

From RFC-1212

OBJECT-TYPE

From RFC1155-SMI

enterprises

OIDs

OID symbolic	OID numeric	Type	Access	Description
atmForum	1.3.6.1.4.1.353
atmUniDxi	1.3.6.1.4.1.353.3
atmDxi	1.3.6.1.4.1.353.3.2
atmDxiConfTable	1.3.6.1.4.1.353.3.2.2		not-accessible	This table contains ATM DXI configuration information including information on the mode supported across the DXI.
atmDxiConfEntry	1.3.6.1.4.1.353.3.2.2.1		not-accessible	This list contains ATM DXI configuration information.
INT atmDxiConfIfIndex	1.3.6.1.4.1.353.3.2.2.1.2	INTEGER	read-only	The value of this object identifies, for SNMP, the ATM DXI interface for which this entry contains management information. This is the same value as used to identify the IfEntry describing the DCE interface. Management uses and expects this value. In the proxy mode of operation, the DCE always treats this as 0, but preserves it in its response to the DTE. 0, the DXI value, means the interface over which the DXI LMI request was received.
INT atmDxiConfMode	1.3.6.1.4.1.353.3.2.2.1.3	INTEGER	read-write	This object identifies the dxi mode being used at the atm dxi port.
atmDxiDFAConfTable	1.3.6.1.4.1.353.3.2.3		not-accessible	This table contains configuration information about a particular DFA.
atmDxiDFAConfEntry	1.3.6.1.4.1.353.3.2.3.1		not-accessible	This list contains ATM DXI DFA configuration information.
INT atmDxiDFAConfIfIndex	1.3.6.1.4.1.353.3.2.3.1.1	INTEGER	read-only	The value of this object identifies, for SNMP, the ATM DXI interface for which this entry contains management information. This is the same value as used to identify the IfEntry describing the DCE interface. Management uses and expects this value. In the proxy mode of operation, the DCE always treats this as 0, but preserves it in its response to the DTE. 0, the DXI value, means the interface over which the DXI LMI request was received.
DFA atmDxiDFAConfDfaIndex	1.3.6.1.4.1.353.3.2.3.1.2	Dfa	read-only	This object identifies the DFA instance on the DXI identified by atmDxiDFAConfIfIndex.
INT atmDxiDFAConfAALType	1.3.6.1.4.1.353.3.2.3.1.3	INTEGER	read-write	This object identifies the AAL type supported at this DFA. Note, if mode 2 is supported on the DXI identified by the corresponding instance of atmDxiDFAConfIfIndex and that instance of atmDxiDFAConfIfIndex identifies the DCE side of the DXI, then this object contains the AAL Type being run on the corresponding VPI/VCI on the corresponding ATM UNI interface.
OID atmDxiEnterprise	1.3.6.1.4.1.353.3.2.4	OBJECT IDENTIFIER	not-accessible	This object is included as the first ID-Value pair in a Trap PDU for which the Generic Trap Type field has the value 'enterpriseSpecific'. The value of the object identifies the enterprise under whose authority the value of the Enterprise Trap Type field is defined.

RFC description

Manages ATM Data Exchange Interface (DXI) configuration and performance between DCE and DTE devices.

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Download ATM-DXI-MIB

What Is ATM-DXI-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description