CISCO-DS0-CROSS-CONNECT-MIB

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Organization: Cisco Systems, Inc.

Last Updated: 2003-03-05

Category: Cisco Devices, Network Interfaces

Description: Manages DS0 time-slot cross-connect configurations on Cisco voice gateways and digital cross-connect systems.

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What Is CISCO-DS0-CROSS-CONNECT-MIB?

CISCO-DS0-CROSS-CONNECT-MIB manages DS0 (64 kbps) time-slot cross-connect configuration on Cisco voice gateways and digital cross-connect systems, letting an administrator define which DS0 channel on one DS1 endpoint is switched to which DS0 channel on another. It exposes a cross-connect configuration table describing the two endpoints of each connection (DS1 and DS0 group references) and a row-status object used to create, modify, or delete connections. Its role in monitoring is primarily configuration-state verification: cds0ConnRowStatus reveals whether a given cross-connection is active, not-in-service, or in an error state, which is critical for confirming that TDM voice/data circuits are actually switched as configured rather than a hardware/software configuration mismatch. It builds on, and is meant to be used alongside, standard DS1/DS0 interface MIBs (such as the IETF DS1/E1 and DS0 MIBs) for the underlying physical layer. It is deployed in Cisco voice gateway and TDM aggregation environments handling channelized T1/E1 circuits, where CISCO-DS0-CROSS-CONNECT-MIB SNMP monitoring helps confirm cross-connections remain correctly switched.

IPNetwork Monitor allows you to monitor SNMP objects defined in CISCO-DS0-CROSS-CONNECT-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

Cisco voice gateways
Cisco digital cross-connect systems (DACS)

Monitoring Examples

A telecom engineer would poll cds0CrossConnectConfigTable (via cds0CrossConnectConfigEntry) checking cds0Endpt1Ds1/cds0Endpt1Ds0Group against cds0Endpt2Ds1/cds0Endpt2Ds0Group to confirm the expected time-slot mapping between two DS1 circuits. If cds0ConnRowStatus for an entry shows notInService or a failure state instead of active, it indicates the cross-connect failed to establish, which would explain a voice circuit that isn't passing traffic. Notifications under ciscoDs0CrossConnectMIBNotifs would typically flag such state changes to the NMS.

What Can Be Monitored

cross-connect row status
DS1/DS0 endpoint mapping
connection configuration state

Imported Objects

From CISCO-SMI

ciscoMgmt

OBJECT-IDENTITY

From IF-MIB

InterfaceIndex

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

RowStatus

OIDs

OID symbolic	OID numeric	Type	Access	Description
ROW cds0ConnRowStatus	1.3.6.1.4.1.9.9.9999.1.1.1.1.5	RowStatus	read-create	This object is used to create or delete an entry. The mandatory objects for creating an entry in this table: 'cds0Endpt2Ds1' 'cds0Endpt2Ds0Group' The following objects are not allowed to be modified after the entry to be added: 'cds0Endpt2Ds1' 'cds0Endpt2Ds0Group'
cDs0CrossConnectConfig	1.3.6.1.4.1.9.9.9999.1.1
cds0CrossConnectConfigEntry	1.3.6.1.4.1.9.9.9999.1.1.1.1		not-accessible	An entry in cds0CrossConnectConfigTable table represents a DS0 cross connection. The two end point of the connection are: end point 1: cds0Endpt1Ds1 cds0Endpt1Ds0Group end point 2: cds0Endpt2Ds1 cds0Endpt2Ds0Group The end points of this connection should be entries of ccasGrpCfgTable and 'ccasGrpCfgServiceType' of of the entries should be 'tdmxconn'. The ccasGrpCfgTable is defined in CISCO-CAS-IF-MIB.
cDs0CrossConnectConfigGroup	1.3.6.1.4.1.9.9.9999.2.2.1			A collection of objects for general configuration of Ds0 cross connection.
cds0CrossConnectConfigTable	1.3.6.1.4.1.9.9.9999.1.1.1		not-accessible	This table is used to establish a DS0 cross connection. A DS0 cross connect is established by binding a unique DS0 group containing one or more DS0s of a single Ds1 interface to another unique DS0 group containing one or more DS0s of a single DS1 interface.
U32 cds0Endpt1Ds0Group	1.3.6.1.4.1.9.9.9999.1.1.1.1.2	Unsigned32	not-accessible	The value of this object identifies a Ds0 group which contains one of more Ds0(s) within the Ds1 interface represented by 'cDs0Endpt1Ds1'. This Ds0 group is used as the first end point of the Ds0 connection.
NUM cds0Endpt1Ds1	1.3.6.1.4.1.9.9.9999.1.1.1.1.1	InterfaceIndex	not-accessible	The value of this object equals to the 'ifIndex' of a Ds1 interface. This Ds1 interface is used as the first end point of the Ds0 connection.
U32 cds0Endpt2Ds0Group	1.3.6.1.4.1.9.9.9999.1.1.1.1.4	Unsigned32	read-create	The value of this object identifies a Ds0 group which contains one of more Ds0(s) within the Ds1 interface represented by 'cDs0Endpt2Ds1'. This Ds0 group is used as the second end point of the Ds0 connection.
NUM cds0Endpt2Ds1	1.3.6.1.4.1.9.9.9999.1.1.1.1.3	InterfaceIndex	read-create	The value of this object equals to the 'ifIndex' of a Ds1 interface. This Ds1 interface is used as the second end point of the Ds0 connection.
ciscoDs0CrossConnectMIB	1.3.6.1.4.1.9.9.9999			The MIB for Ds0 cross connection.
ciscoDs0CrossConnectMIBCompliance	1.3.6.1.4.1.9.9.9999.2.1.1			The compliance statement for Cisco agents which implement the CISCO-DSO-CROSS-CONNECT-MIB.
ciscoDs0CrossConnectMIBCompliances	1.3.6.1.4.1.9.9.9999.2.1
ciscoDs0CrossConnectMIBConformance	1.3.6.1.4.1.9.9.9999.2
ciscoDs0CrossConnectMIBGroups	1.3.6.1.4.1.9.9.9999.2.2
ciscoDs0CrossConnectMIBNotifs	1.3.6.1.4.1.9.9.9999.0
ciscoDs0CrossConnectMIBObjects	1.3.6.1.4.1.9.9.9999.1

RFC description

Configures and monitors DS0 cross-connections between DS1 interfaces for circuit switching.

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Download CISCO-DS0-CROSS-CONNECT-MIB

What Is CISCO-DS0-CROSS-CONNECT-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description