APTIS-HDLC-MIB

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Category: DSL and Broadband

Description: Nortel Networks Aptis DSL concentrator HDLC link-layer configuration and statistics.

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What Is APTIS-HDLC-MIB?

This is a Nortel Networks vendor MIB for the Aptis DSL concentrator platform, managing HDLC (High-Level Data Link Control) link-layer configuration and statistics used to carry framed traffic over the concentrator's internal or uplink connections. It exposes link-layer configuration parameters and traffic/error statistics for HDLC-framed circuits. It is oriented toward monitoring the software/protocol-level status of HDLC links — frame error counters and link state objects would reveal framing errors, CRC errors, or link-down conditions on the concentrator's internal transport. No specific dependency on other MIBs is evident from the available description, though it would typically be deployed alongside Nortel's broader Aptis platform MIB suite covering DSL line status. It is typically deployed in telecom central-office environments running Nortel Aptis DSL concentrators where HDLC is used as an internal transport/framing layer. Engineers can download the APTIS-HDLC-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in APTIS-HDLC-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

Nortel Networks Aptis DSL concentrator

Monitoring Examples

No sample objects were provided for this MIB, so a concrete polling scenario using real object names cannot be given; in general an administrator would poll HDLC link status and frame error counters to detect a concentrator's internal transport link experiencing framing or CRC errors, but this MIB's specific object names are not present in the available data.

Imported Objects

From APTIS-MIB

aptis-generic

From RFC-1212

OBJECT-TYPE

From RFC1155-SMI

Counter

OIDs

OID symbolic	OID numeric	Type	Access	Description
aptisHdlc	1.3.6.1.4.1.2637.2.7
aptisHdlcTable	1.3.6.1.4.1.2637.2.7.1		not-accessible	These parameters represent statistics for all of the HDLC channels for a single HDLC chip. These are errors that cannot be specified on a specific HDLC channel.
aptisHdlcEntry	1.3.6.1.4.1.2637.2.7.1.1		not-accessible	The Parameters for the all of the HDLC connections for a specific HDLC chip.
IND aptisHdlcIfIndex	1.3.6.1.4.1.2637.2.7.1.1.1	Index	read-only	The ifIndex value of the corresponding ifEntry.
CTR aptisHdlcReceiveDrops	1.3.6.1.4.1.2637.2.7.1.1.2	Counter	read-only	Number of HDLC frames received that were dropped.
CTR aptisHdlcTransmitDrops	1.3.6.1.4.1.2637.2.7.1.1.3	Counter	read-only	Number of HDLC frames to be transmitted that were dropped.
CTR aptisHdlcSysErrors	1.3.6.1.4.1.2637.2.7.1.1.4	Counter	read-only	Number of HDLC system errors.
CTR aptisHdlcParityErrors	1.3.6.1.4.1.2637.2.7.1.1.5	Counter	read-only	Number of HDLC parity errors.
CTR aptisHdlcFCSErrors	1.3.6.1.4.1.2637.2.7.1.1.6	Counter	read-only	Number of HDLC Frame CheckSum errors.
CTR aptisHdlcAborts	1.3.6.1.4.1.2637.2.7.1.1.7	Counter	read-only	Number of HDLC aborts.
CTR aptisHdlcFramingErrors	1.3.6.1.4.1.2637.2.7.1.1.8	Counter	read-only	Number of HDLC framing errors.
CTR aptisHdlcReceiveOverruns	1.3.6.1.4.1.2637.2.7.1.1.9	Counter	read-only	Number of HDLC receive overruns.
CTR aptisHdlcTransmitUnderflows	1.3.6.1.4.1.2637.2.7.1.1.10	Counter	read-only	Number of HDLC transmit underflows.
aptisHdlcChannelTable	1.3.6.1.4.1.2637.2.7.2		not-accessible	These parameters represent statistics for all of the HDLC channels for a single HDLC chip. These are errors that cannot be specified on a specific HDLC channel.
aptisHdlcChannelEntry	1.3.6.1.4.1.2637.2.7.2.1		not-accessible	The Parameters for the all of the HDLC connections for a specific HDLC chip.
IND aptisHdlcChannelIfIndex	1.3.6.1.4.1.2637.2.7.2.1.1	Index	read-only	HDLC channel interface index.
INT aptisHdlcChannelStatus	1.3.6.1.4.1.2637.2.7.2.1.2	INTEGER	read-only	This indicates the status of the HDLC Channel.
CTR aptisHdlcChannelRcvFrames	1.3.6.1.4.1.2637.2.7.2.1.3	Counter	read-only	Number of frames received on the HDLC channel.
CTR aptisHdlcChannelRcvOctets	1.3.6.1.4.1.2637.2.7.2.1.4	Counter	read-only	Number of octets received on the HDLC channel.
CTR aptisHdlcChannelRcvDrops	1.3.6.1.4.1.2637.2.7.2.1.5	Counter	read-only	Number of frames received on the HDLC channel that were dropped.
CTR aptisHdlcChannelRcvMaxPacket	1.3.6.1.4.1.2637.2.7.2.1.6	Counter	read-only	Maximum receive packet size on the HDLC channel.
CTR aptisHdlcChannelRcvOverruns	1.3.6.1.4.1.2637.2.7.2.1.7	Counter	read-only	Number of frames received on the HDLC channel with overrun errors.
CTR aptisHdlcChannelRcvFCSErrors	1.3.6.1.4.1.2637.2.7.2.1.8	Counter	read-only	Number of frames received on the HDLC channel with frame checksum errors.
CTR aptisHdlcChannelRcvByteAlign	1.3.6.1.4.1.2637.2.7.2.1.9	Counter	read-only	Number of frames received on the HDLC channel with byte alignment errors.
CTR aptisHdlcChannelRcvAborts	1.3.6.1.4.1.2637.2.7.2.1.10	Counter	read-only	Number of receive attempts on the HDLC channel that were aborted.
CTR aptisHdlcChannelTransmitFrames	1.3.6.1.4.1.2637.2.7.2.1.11	Counter	read-only	Number of frames transmitted on the HDLC channel.
CTR aptisHdlcChannelTransmitOctets	1.3.6.1.4.1.2637.2.7.2.1.12	Counter	read-only	Number of octets transmitted on the HDLC channel.
CTR aptisHdlcChannelTransmitDrops	1.3.6.1.4.1.2637.2.7.2.1.13	Counter	read-only	Number of transmitted frames dropped on the HDLC channel.
CTR aptisHdlcChannelTransmitUnderflows	1.3.6.1.4.1.2637.2.7.2.1.14	Counter	read-only	Number of transmit underflows on the HDLC channel.
CTR aptisHdlcChannelTransmitBuffer	1.3.6.1.4.1.2637.2.7.2.1.15	Counter	read-only	HDLC channel transmit buffer size.

RFC description

Vendor-specific MIB for managing HDLC (High-Level Data Link Control) protocol functions; manages point-to-point synchronous data link operations.

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Download APTIS-HDLC-MIB

What Is APTIS-HDLC-MIB?

Supported Devices

Monitoring Examples

This MIB depends on

Related MIBs

RFC description