USR-CALEA-MIB

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Organization: CommWorks Corporation, a 3Com Company

Last Updated: 2002-08-23

Category: CommWorks/3Com Access Equipment, Network Security and UTM

Description: Manages CALEA lawful intercept configuration and monitoring on CommWorks/3Com carrier equipment.

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What Is USR-CALEA-MIB?

USR-CALEA-MIB is a vendor-specific enterprise module from CommWorks (formerly US Robotics, later 3Com) that defines managed objects for configuring and monitoring Communications Assistance for Law Enforcement Act (CALEA) lawful intercept functionality on carrier equipment. It exposes configuration data governing intercept provisioning (such as target identification and mediation delivery settings) rather than general traffic or hardware sensors, reflecting its specialized regulatory-compliance purpose. Its role in software status monitoring is to let an operator confirm that lawful intercept features are correctly enabled/configured and functioning as required for regulatory compliance, and to detect configuration or delivery failures that could jeopardize compliance obligations. As a CALEA-related MIB it conceptually aligns with industry lawful-intercept architecture standards (such as those from ATIS/PacketCable) though implemented as a CommWorks-proprietary module. It is typically deployed on CommWorks/3Com carrier gateway and access equipment operated by telecom carriers subject to CALEA compliance requirements, and compliance engineers typically arrange a USR-CALEA-MIB download from CommWorks/3Com support channels before loading it into their MIB compiler.

IPNetwork Monitor allows you to monitor SNMP objects defined in USR-CALEA-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

CommWorks/3Com carrier gateway or access equipment

Monitoring Examples

A compliance-focused network operations team would check CALEA configuration objects in this MIB to confirm intercept provisioning entries are correctly established and that mediation delivery paths are active for authorized intercepts. A failure or misconfiguration surfaced through this MIB could indicate an intercept that is not being delivered as required, a critical compliance gap. No sample objects were provided for this MIB, so this description is grounded in its stated CALEA purpose.

What Can Be Monitored

lawful intercept provisioning configuration
intercept delivery/mediation status
CALEA compliance feature enable state

Imported Objects

From SNMPv2-SMI

Integer32
IpAddress
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE

From SNMPv2-TC

DisplayString

From USR-DEFINITIONS-MIB

UsrConfigStatus
UsrDisplayString
UsrSecretDisplay
common	OBJECT-IDENTITY

OIDs

OID symbolic	OID numeric	Type	Access	Description
usrCalea	1.3.6.1.4.1.429.4.92			The commWorks enterprise defined MIB objects for CALEA
usrCaleaConnConfig	1.3.6.1.4.1.429.4.92.1
IP usrCaleaDFAddr	1.3.6.1.4.1.429.4.92.1.1	IpAddress	read-write	This four octet value identifies the IP address of the Intercept Platform in DF that terminates the d-Interface
I32 usrCaleaDFPort	1.3.6.1.4.1.429.4.92.1.2	Integer32	read-write	This value identifies the port number of the Intercept Platform in DF that terminates the d-Interface
I32 usrCaleaDFAlarmStatus	1.3.6.1.4.1.429.4.92.1.3	Integer32	read-write	This value identifies whether the Alarm is to be raised when the DF is unreachable. A value of 1 is enabled, and a value of 2 is disabled.
I32 usrCaleaPingTimeout	1.3.6.1.4.1.429.4.92.1.4	Integer32	read-write	This value identifies the timeout value for each ping request that is sent out
I32 usrCaleaPingFrequency	1.3.6.1.4.1.429.4.92.1.5	Integer32	read-write	This value identifies the number of seconds separating two ping requests for the same host.
I32 usrCaleaPingMissesAllowed	1.3.6.1.4.1.429.4.92.1.6	Integer32	read-write	This value identifies the number of misses that will be allowed before declaring a host unreachable
I32 usrCaleaLifeTimer	1.3.6.1.4.1.429.4.92.1.7	Integer32	read-write	This is the value of lifetime that PDSN requests for each session. Currently supported values are 30..65535.
I32 usrCaleaRespTimer	1.3.6.1.4.1.429.4.92.1.8	Integer32	read-write	Number of seconds to wait for the Response from DF. Currently supported values are 1..15.
I32 usrCaleaNumRegReqRetrans	1.3.6.1.4.1.429.4.92.1.9	Integer32	read-write	Number of times the registration request is retransmitted
I32 usrCaleaMaxSessions	1.3.6.1.4.1.429.4.92.1.10	Integer32	read-write	Number of times the registration request is retransmitted
I32 usrCaleaDFAuthEnabled	1.3.6.1.4.1.429.4.92.1.11	Integer32	read-write	This value identifies whether authentication is enabled between DF and PDSN. A value of 1 is enabled, and a value of 2 is disabled.
USR usrCaleaDFSecret	1.3.6.1.4.1.429.4.92.1.12	UsrSecretDisplay	read-write	This value identifies the secret used for authentication between PDSN and DF.
usrCaleaConnStats	1.3.6.1.4.1.429.4.92.2
usrCaleaSessions	1.3.6.1.4.1.429.4.92.2.1		not-accessible	This value identifies the table holding all the sessions with DF
usrCaleaSessionEntry	1.3.6.1.4.1.429.4.92.2.1.1		not-accessible	This variable represents one entry in the DF Session Table.
I32 usrCaleaNumIPPacketsDuplicated	1.3.6.1.4.1.429.4.92.2.1.1.1	Integer32	read-only	This value identifies the number of IP packets that have been duplicated for this mobile node in this session
IP usrCaleaHomeIPAddress	1.3.6.1.4.1.429.4.92.2.1.1.2	IpAddress	read-only	This value identifies Home IP Address of the mobile being tapped
IP usrCaleaPacketManagerIPAddress	1.3.6.1.4.1.429.4.92.2.1.1.3	IpAddress	read-only	This value identifies IP Address of the Packet Manager to which packets will be copied.
I32 usrCaleaSessionKey	1.3.6.1.4.1.429.4.92.2.1.1.4	Integer32	read-only	This value identifies the key used by PDSN to communicate with the DF. The key is unique for this particular session.
OCT usrCaleaImsi	1.3.6.1.4.1.429.4.92.2.1.1.5	OCTET STRING	read-only	This value identifies the IMSI of the mobile being tapped
STR usrCaleaNAI	1.3.6.1.4.1.429.4.92.2.1.1.6	DisplayString	read-only	This value identifies the NAI of the mobile being tapped
usrCaleaTraps	1.3.6.1.4.1.429.4.92.3
NTF usrCaleaDeliveryFunctionUnreachable	1.3.6.1.4.1.429.4.92.3.1			This trap is generated when delivery function is unreachable.
NTF usrCaleaDeliveryFunctionUnreachableClear	1.3.6.1.4.1.429.4.92.3.2			This trap is generated when delivery function is reachable again.
usrCaleaCfmConfig	1.3.6.1.4.1.429.4.92.4
STR usrCaleaConfigFileName	1.3.6.1.4.1.429.4.92.4.1	UsrDisplayString	read-only	The name of the configuration file for VHA. If this value is empty, then the default file name is @file://VHAProcess.cfg.
USR usrCaleaCfmStatus	1.3.6.1.4.1.429.4.92.4.2	UsrConfigStatus	read-write	The Configuration File Manager Flag for saving VHA configurable parameters.

RFC description

Manages CALEA (Communications Assistance for Law Enforcement Act) intercept platform connectivity and monitoring for USR equipment.

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Download USR-CALEA-MIB

What Is USR-CALEA-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description