XEDIA-DS1-MIB

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Organization: Xedia Corp.

Last Updated: 1998-06-17

Description: Xedia DS1 extension MIB adding proprietary line-status bit-string and additional configuration objects beyond the standard RFC 1406 DS1 MIB for Xedia devices

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What Is XEDIA-DS1-MIB?

XEDIA-DS1-MIB is a vendor-specific Xedia Corporation MIB that adds proprietary extensions to the standard DS1 MIB (RFC 1406) for T1/E1 interfaces on Xedia devices. Its xDsx1ConfigTable augments the standard dsx1ConfigEntry with a bit-string line-status object mirroring dsx1LineStatus but using the SNMPv2 BIT STRING type (covering alarms like far-end LOF, AIS, loss of frame, and loss of signal), a similarly-typed loopback-status bit string, CRC mode and line build-out/interface configuration, per-error-type injection counters for testing (line code violation, frame-bit, checksum, and PRBS error injection), a 32-channel timeslot mask, out-of-frame and frame-alignment-change counters, and loopback/test-code configuration supporting standard PRBS test patterns for circuit qualification. Monitoring it gives operators bit-level alarm visibility and the ability to run controlled error-injection and loopback tests on DS1 circuits, useful for qualifying a leased line or diagnosing intermittent T1/E1 framing issues before deploying production traffic. It depends on the IETF RFC1406-MIB for its base config/current/interval/total tables, and the XEDIA-DS1-MIB MIB is loaded alongside the standard DS1 MIB to fully decode these vendor-specific alarm and test objects.

IPNetwork Monitor allows you to monitor SNMP objects defined in XEDIA-DS1-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

Xedia Corporation routers/access devices with DS1 (T1/E1) interfaces

Monitoring Examples

An operator checks the line-status bits for a T1 circuit and finds loss-of-frame or receive-AIS bits set alongside a climbing out-of-frame counter; combined with an incrementing frame-alignment-change counter, this points to a framing mismatch or a faulty span rather than a clean link, warranting a loopback test before further troubleshooting.

What Can Be Monitored

DS1 line status alarm bits (LOF, LOS, AIS, yellow alarm)
loopback status (local/remote, payload/line/framer/analog)
CRC mode and line build-out/interface configuration
error-injection counters (LCV, frame-bit, CRC, PRBS)
out-of-frame and frame-alignment-change counters
PRBS test-code pattern configuration

Imported Objects

From RFC1406-MIB

dsx1ConfigEntry	OBJECT-TYPE
dsx1CurrentEntry	OBJECT-TYPE
dsx1IntervalEntry	OBJECT-TYPE
dsx1TotalEntry	OBJECT-TYPE

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter32
Integer32
MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

TEXTUAL-CONVENTION

From XEDIA-REG

xediaMibs

OBJECT-IDENTITY

How to Use in IPNetwork Monitor

Example using xdsx1OutOfFrames OID:

Select a Xedia Corporation routers/access devices with DS1 (T1/E1) interface (bit-level alarm/loopback-test status) as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type xdsx1OutOfFrames into the Find box to locate it in the OID tree, selecting the specific row/instance you want to monitor since this is a table column, then select it and click OK. The number of 'out of frame' errors. On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Counter32-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases between polls, since a rising count of errors, failures, or discards often points to a real underlying problem. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
xediaDs1MIB	1.3.6.1.4.1.838.3.18			This module defines additional objects for management of DS1 links in Xedia devices, above and beyond what is defined in the standard DS1 mib, and proposed drafts.
xDs1Objects	1.3.6.1.4.1.838.3.18.1
xDs1Tables	1.3.6.1.4.1.838.3.18.2
xDsx1ConfigTable	1.3.6.1.4.1.838.3.18.2.1		not-accessible	The Xedia DS1 Config table contains extensions to the DS1 Config table.
xDsx1ConfigEntry	1.3.6.1.4.1.838.3.18.2.1.1		not-accessible	An entry in the Xedia DS1 Config table.
XDS xdsx1LineStatus	1.3.6.1.4.1.838.3.18.2.1.1.1	XDsx1LineStatus	read-only	Indicates the line status of the interface. This obect is identical to dsx1LineStatus in the DS1 MIB except that it uses the SNMPv2 BIT STRING object type.
BIT xdsx1LoopbackStatus	1.3.6.1.4.1.838.3.18.2.1.1.2	Bits	read-only	Indicates the local and remote loopback status of the interface. This object is identical to dsx1LoopbackStatus in the DS1 MIB except that it uses the SNMPv2 BIT STRING object type.
INT xdsx1CfgCrcMode	1.3.6.1.4.1.838.3.18.2.1.1.3	INTEGER	read-write	The configured CRC mode of the interface.
INT xdsx1CfgLineBuildOut	1.3.6.1.4.1.838.3.18.2.1.1.4	INTEGER	read-write	The line buildout of the ds1.
INT xdsx1CfgLineInterface	1.3.6.1.4.1.838.3.18.2.1.1.5	INTEGER	read-write	The line buildout of the ds1.
I32 xdsx1CfgInsertTVerrs	1.3.6.1.4.1.838.3.18.2.1.1.6	Integer32	read-write	The number of Line Code Violation (LCV) errors to inject.
I32 xdsx1CfgInsertTFerrs	1.3.6.1.4.1.838.3.18.2.1.1.7	Integer32	read-write	The number of Frame Bit (FBE) errors to inject.
I32 xdsx1CfgInsertTCerrs	1.3.6.1.4.1.838.3.18.2.1.1.8	Integer32	read-write	The number of Checksum (CRC) errors to inject.
I32 xdsx1CfgInsertTBerrs	1.3.6.1.4.1.838.3.18.2.1.1.9	Integer32	read-write	The number of PRBS errors to inject.
BIT xdsx1CfgChannelMask	1.3.6.1.4.1.838.3.18.2.1.1.10	Bits	read-write	The number of PRBS errors to inject.
C32 xdsx1OutOfFramesEx	1.3.6.1.4.1.838.3.18.2.1.1.11	Counter32	read-only	The number of 'out of frame' errors.
C32 xdsx1ChangeOfFrameAlignment	1.3.6.1.4.1.838.3.18.2.1.1.12	Counter32	read-only	The number of times frames changed alignment.
INT xdsx1CfgLoopbackConfig	1.3.6.1.4.1.838.3.18.2.1.1.13	INTEGER	read-write	This variable represents the loopback configuration of the DS1 interface. Agents supporting read/write access should return badValue in response to a requested loopback state that the interface does not support. The values mean: xdsx1NoLoop Not in the loopback state. A device that is not capable of performing a loopback on the interface shall always return this as it's value. xdsx1PayloadLoop The received signal at this interface is looped through the device. Typically the received signal is looped back for re- transmission after it has passed through the device's framing function. xdsx1LineLoop The received signal at this interface does not go through the device (minimum pene- tration) but is looped back out. xdsx1Framer xdsx1Analog
INT xdsx1CfgTestCode	1.3.6.1.4.1.838.3.18.2.1.1.14	INTEGER	read-write	This variable indicates what type of code is being sent across the DS1 interface by the dev- ice. The values mean: xdsx1SendNone - sending looped or normal data xdsx1PRBS2E11 - E11, f - framed-mode z - zero-limit mode fz - framed-mode and zero-limit mode xdsx1PRBS2E15 - E15, f - framed-mode z - zero-limit mode fz - framed-mode and zero-limit mode xdsx1PRBS2E20 - E20, f - framed-mode z - zero-limit mode fz - framed-mode and zero-limit mode xdsx1PRBS2E23 - E23, f - framed-mode z - zero-limit mode fz - framed-mode and zero-limit mode
INT xdsx1CfgLineCharacteristics	1.3.6.1.4.1.838.3.18.2.1.1.15	INTEGER	read-write	The valid combinations of interface type, and buildout for the circuit.
INT xdsx1CfgLineType	1.3.6.1.4.1.838.3.18.2.1.1.16	INTEGER	read-write	The line type of the circuit.
INT xdsx1CfgLineCoding	1.3.6.1.4.1.838.3.18.2.1.1.17	INTEGER	read-write	The line coding of the circuit.
xDsx1CurrentTable	1.3.6.1.4.1.838.3.18.2.2		not-accessible	The Xedia DS1 Current table contains extensions to the DS1 Current table which includes statistics being collected for the current 15 minute interval.
xDsx1CurrentEntry	1.3.6.1.4.1.838.3.18.2.2.1		not-accessible	An entry in the Xedia DS1 Current table.
C32 xdsx1CurrentFBEs	1.3.6.1.4.1.838.3.18.2.2.1.1	Counter32	read-only	The number of F Bit Errores encountered during the current 15 minute interval.
C32 xdsx1CurrentFEBEs	1.3.6.1.4.1.838.3.18.2.2.1.2	Counter32	read-only	The number of Far End Block Errors encountered in the current 15 minute interval.
C32 xdsx1CurrentCRCEs	1.3.6.1.4.1.838.3.18.2.2.1.3	Counter32	read-only	The number of CRC errors encountered during the current 15 minute interval.
C32 xdsx1CurrentLCEs	1.3.6.1.4.1.838.3.18.2.2.1.4	Counter32	read-only	The number of Line Coding Errors encountered during the current 15 minute interval.
C32 xdsx1CurrentBEs	1.3.6.1.4.1.838.3.18.2.2.1.5	Counter32	read-only	The number of Bit Errors encountered during the current 15 minute interval.
C32 xdsx1CurrentSlips	1.3.6.1.4.1.838.3.18.2.2.1.6	Counter32	read-only	The number of rx/tx slips encountered during the current 15 minute interval.
XDS xdsx1CurrentLineStatus	1.3.6.1.4.1.838.3.18.2.2.1.7	XDsx1LineStatus	read-only	The bitwise ORing of the dsx1LineStatus values (line status) encountered during the current 15 minute interval. This object is useful in identifying all xdsx1LineStatus conditions which occured during the interval including the NO_ALARM condition.
xDsx1IntervalTable	1.3.6.1.4.1.838.3.18.2.3		not-accessible	The Xedia DS1 Interval Table contains extensions to the DS1 Interval table which includes statistics collected over the previous 24 hours of operation. The past 24 hours are broken into 96 completed 15 minute intervals.
xDsx1IntervalEntry	1.3.6.1.4.1.838.3.18.2.3.1		not-accessible	An entry in the Xedia DS1 Interval Table.
C32 xdsx1IntervalFBEs	1.3.6.1.4.1.838.3.18.2.3.1.1	Counter32	read-only	The number of F Bit Errores encountered during the specified 15 minute interval.
C32 xdsx1IntervalFEBEs	1.3.6.1.4.1.838.3.18.2.3.1.2	Counter32	read-only	The number of Far End Block Errors encountered in the specified 15 minute interval.
C32 xdsx1IntervalCRCEs	1.3.6.1.4.1.838.3.18.2.3.1.3	Counter32	read-only	The number of CRC errors encountered during the specified 15 minute interval.
C32 xdsx1IntervalLCEs	1.3.6.1.4.1.838.3.18.2.3.1.4	Counter32	read-only	The number of Line Coding Errors encountered during the specified 15 minute interval.
C32 xdsx1IntervalBEs	1.3.6.1.4.1.838.3.18.2.3.1.5	Counter32	read-only	The number of Bit Errors encountered during the specified 15 minute interval.
C32 xdsx1IntervalSlips	1.3.6.1.4.1.838.3.18.2.3.1.6	Counter32	read-only	The number of rx/tx slips encountered during the specified 15 minute interval.
XDS xdsx1IntervalLineStatus	1.3.6.1.4.1.838.3.18.2.3.1.7	XDsx1LineStatus	read-only	The bitwise ORing of the dsx1LineStatus values (line status) encountered during the specified 15 minute interval. This object is useful in identifying all xdsx1LineStatus conditions which occured during the interval including the NO_ALARM condition.
xDsx1TotalTable	1.3.6.1.4.1.838.3.18.2.4		not-accessible	The Xedia DS1 Total Table contains extensions to the DS1 Total table which includes cumulative sums of the various statistics for the 24 hour period preceding the current interval. Invalid 15 minute intervals count as 0.
xDsx1TotalEntry	1.3.6.1.4.1.838.3.18.2.4.1		not-accessible	An entry in the Xedai DS1 Total Table.
C32 xdsx1TotalFBEs	1.3.6.1.4.1.838.3.18.2.4.1.1	Counter32	read-only	The sum of F Bit Errores encountered during all 15 minute interval.
C32 xdsx1TotalFEBEs	1.3.6.1.4.1.838.3.18.2.4.1.2	Counter32	read-only	The sum of Far End Block Errors encountered for all of the 15 minute interval.
C32 xdsx1TotalCRCEs	1.3.6.1.4.1.838.3.18.2.4.1.3	Counter32	read-only	The sum of CRC errors encountered for all of the 15 minute interval.
C32 xdsx1TotalLCEs	1.3.6.1.4.1.838.3.18.2.4.1.4	Counter32	read-only	The sum of Line Coding Errors encountered for all of the 15 minute interval.
C32 xdsx1TotalBEs	1.3.6.1.4.1.838.3.18.2.4.1.5	Counter32	read-only	The sum of Bit Errors encountered during of the 15 minute interval.
C32 xdsx1TotalSlips	1.3.6.1.4.1.838.3.18.2.4.1.6	Counter32	read-only	The sum of rx/tx slips encountered during of the 15 minute interval.
XDS xdsx1TotalLineStatus	1.3.6.1.4.1.838.3.18.2.4.1.7	XDsx1LineStatus	read-only	The bitwise ORing of the dsx1LineStatus values (line status) encountered during all of the 15 minute intervals. This object is useful in identifying all xdsx1LineStatus conditions which occured during the full range of intervals including the NO_ALARM condition.
xDs1Conformance	1.3.6.1.4.1.838.3.18.3
xDs1Compliances	1.3.6.1.4.1.838.3.18.3.1
xDs1Compliance	1.3.6.1.4.1.838.3.18.3.1.1			The compliance statement for all agents that support this MIB. A compliant agent implements all objects defined in this MIB.
xDs1Groups	1.3.6.1.4.1.838.3.18.3.2
xDs1AllGroup	1.3.6.1.4.1.838.3.18.3.2.1			The set of all accessible objects in this MIB.

RFC description

Extends standard DS1 MIB with additional management objects for DS1 links in Xedia routing devices.

Start monitoring Xedia Corporation routers/access devices with DS1 (T1/E1) interfaces (bit-level alarm/loopback-test status) 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 XEDIA-DS1-MIB