USR-SS7-MIB

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Organization: CommWorks Corporation, a 3Com Company

Last Updated: 2002-05-01

Category: CommWorks/3Com Access Equipment, VoIP and Telephony

Description: Manages SS7 signaling point codes, links, and call control on CommWorks/3Com carrier gateways.

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What Is USR-SS7-MIB?

USR-SS7-MIB is a vendor-specific enterprise module from CommWorks (formerly US Robotics, later 3Com) that manages SS7 (Signaling System 7) telephony signaling on carrier gateway equipment, covering protocol selection, signaling link configuration, and call control. It exposes configuration objects for SS7 signaling link adaptation (SLAP) parameters such as gateway IP/port, heartbeat timers, chassis ID, and connection retry behavior, plus statistical counters for signaling bus (SBUS) packet transmission and reception success/failure. Its role in hardware/software status monitoring is significant: it lets an administrator confirm SS7 signaling connectivity is healthy by tracking heartbeat and connection retry counters, detect signaling link instability via rising SBUS transmit/receive failure counts, and verify the correct SS7 protocol and LAN start method are configured for the gateway. It is grounded in the ITU-T/ANSI SS7 protocol suite as its underlying signaling standard, implemented here as a CommWorks-proprietary management extension. It is typically deployed on CommWorks/3Com media/signaling gateways in carrier voice networks that interconnect IP and traditional SS7-based telephony infrastructure. Engineers can download the USR-SS7-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in USR-SS7-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 SS7 signaling/media gateway

Monitoring Examples

An operator would poll usrSS7SLAPgatewayIPAddress and usrSS7SLAPgatewayPort to confirm the signaling link adaptation peer is correctly configured, and watch usrSS7SLAPHeartbeatTimerNearEnd alongside usrSS7SLAPAllowedMissedHeartBeats to detect an at-risk signaling association before it drops. Monitoring usrSS7StatSBUSXmitPacketsFailCount and usrSS7StatSBUSRcvdPacketsOKCount trends would reveal a degrading signaling bus connection, an early warning of call setup failures. usrSS7SLAPNumberOfConnectionRetries climbing toward usrSS7SLAPConnectionRetryInterval limits would show a gateway struggling to establish or maintain SS7 connectivity.

What Can Be Monitored

SS7 protocol and LAN start method configuration
signaling link adaptation (SLAP) gateway address/port
heartbeat timers and missed heartbeat count
connection retry count and interval
signaling bus (SBUS) packet success/failure counters

Imported Objects

From SNMPv2-SMI

Integer32
IpAddress
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE

From SNMPv2-TC

DateAndTime

From USR-DEFINITIONS-MIB

common

OBJECT-IDENTITY

OIDs

OID symbolic	OID numeric	Type	Access	Description
usrSS7	1.3.6.1.4.1.429.4.77			The commWorks enterprise defined MIB objects for SS7.
INT usrSS7Protocol	1.3.6.1.4.1.429.4.77.1	INTEGER	read-write	protocol being serviced:- HSS7I_SLAP_V2 or HSS7I_IPDC.
INT usrSS7LANStartMethod	1.3.6.1.4.1.429.4.77.2	INTEGER	read-write	method to bring up TCP/IP connection to SS7GWP - HSS7I_LS_AUTO or HSS7I_LS_MANUAL.
IP usrSS7SLAPgatewayIPAddress	1.3.6.1.4.1.429.4.77.3	IpAddress	read-write	The IP address of the SLAP SS7 gateway.
I32 usrSS7SLAPgatewayPort	1.3.6.1.4.1.429.4.77.4	Integer32	read-write	The TCP port# of the SLAP SS7 gateway.
I32 usrSS7SLAPHeartbeatTimerNearEnd	1.3.6.1.4.1.429.4.77.5	Integer32	read-write	The heartbeat timer settings.
I32 usrSS7SLAPChassisID	1.3.6.1.4.1.429.4.77.6	Integer32	read-write	uniquely identify the TCH in a WAN.
I32 usrSS7SLAPNumberOfConnectionRetries	1.3.6.1.4.1.429.4.77.7	Integer32	read-write	number of socket connection retries after lost it
I32 usrSS7SLAPConnectionRetryInterval	1.3.6.1.4.1.429.4.77.8	Integer32	read-write	socket connection retry interval after it is lost
I32 usrSS7SLAPAllowedMissedHeartBeats	1.3.6.1.4.1.429.4.77.9	Integer32	read-write	number of heartbeat missed from gw before action taken.
I32 usrSS7StatSBUSXmitPacketsOKCount	1.3.6.1.4.1.429.4.77.16	Integer32	read-only	the number of successful packets transmitted over the pBus connection.
I32 usrSS7StatSBUSXmitPacketsFailCount	1.3.6.1.4.1.429.4.77.17	Integer32	read-only	the number of packets failed to transmit over the pBus connection.
I32 usrSS7StatSBUSRcvdPacketsOKCount	1.3.6.1.4.1.429.4.77.18	Integer32	read-only	the number of successful packets received over the pBus connection.
I32 usrSS7StatSBUSRcvdmitPacketsFailCount	1.3.6.1.4.1.429.4.77.19	Integer32	read-only	the number of packets rejected by the pBus/Sbus client application.
I32 usrSS7StatGWXmitByetsCount	1.3.6.1.4.1.429.4.77.20	Integer32	read-only	the number of successful bytes transmitted over the SS7 GW connection.
I32 usrSS7StatGWXmitPacketsCount	1.3.6.1.4.1.429.4.77.21	Integer32	read-only	the number of packets transmited to the SS7 GW connection.
I32 usrSS7StatGWRcvdBytesCount	1.3.6.1.4.1.429.4.77.22	Integer32	read-only	the number of Bytes received over the SS7 GW connection.
I32 usrSS7StatGWRcvdPacketsCount	1.3.6.1.4.1.429.4.77.23	Integer32	read-only	the number of packets from SS7 GW.
I32 usrSS7GWConnectionState	1.3.6.1.4.1.429.4.77.24	Integer32	read-only	the state of the SS7 GW connection UP/DOWN
IP usrSS7SLAPSecondaryGatewayIPAddress	1.3.6.1.4.1.429.4.77.25	IpAddress	read-write	The IP address of the SLAP SS7 gateway.
I32 usrSS7SLAPSecondaryGatewayPort	1.3.6.1.4.1.429.4.77.26	Integer32	read-write	The TCP port# of the SLAP SS7 gateway.
I32 usrSS7SLAPHeartbeatTimerFarEnd	1.3.6.1.4.1.429.4.77.27	Integer32	read-write	The heartbeat timer settings.
usrSS7SlotTable	1.3.6.1.4.1.429.4.77.28		not-accessible	A table containing one row per slot in the chassis. Each row describes the characteristics of the slot
usrSS7SlotEntry	1.3.6.1.4.1.429.4.77.28.1		not-accessible	slot access table
I32 usrSS7Slot	1.3.6.1.4.1.429.4.77.28.1.1	Integer32	not-accessible	The slot number of this row.
INT usrSS7SlotOwner	1.3.6.1.4.1.429.4.77.28.1.2	INTEGER	read-write	An indication if this slot's card has this Gateway card assigned as the owning gateway
INT usrSS7SlotType	1.3.6.1.4.1.429.4.77.28.1.3	INTEGER	read-write	An indicator that tells if this slot's (row's) data was created statically by configuration, or dynamically by the receipt of chassis awareness information from the NMC. Only static entries are saved to the configuration file. Dynamic entries are saved as static entries with an empty card type. If dynamic information is learned it replaces the information in a static entry. A dynamic entry cannot be changed through the CLI or an SNMP set.
I32 usrSS7SlotConnectionStatus	1.3.6.1.4.1.429.4.77.28.1.4	Integer32	read-only	The status of the sbus connection to HDM at this slot.
INT usrSS7SlotTrace	1.3.6.1.4.1.429.4.77.28.1.5	INTEGER	read-write	SBUS Side SS7 Trace. enable(1) disable(2)
I32 usrSS7SlotConnectToSlot	1.3.6.1.4.1.429.4.77.28.1.6	Integer32	read-write	The Command to connect Hiper Arc to a SS7 channel in the given slot
I32 usrSS7SlotDisconnectToSlot	1.3.6.1.4.1.429.4.77.28.1.7	Integer32	read-write	The Command to connect Hiper Arc to a SS7 channel in the given slot
INT usrSS7ENFASLinkDownCause	1.3.6.1.4.1.429.4.77.28.1.8	INTEGER	read-only	The status of the SLAP Connection to the Secondary SS7 gateway.
I32 usrSS7SlotStatSBUSXmitPacketsOKCount	1.3.6.1.4.1.429.4.77.28.1.9	Integer32	read-only	the number of successful packets transmitted over the pBus connection.
I32 usrSS7SlotStatSBUSXmitPacketsFailCount	1.3.6.1.4.1.429.4.77.28.1.10	Integer32	read-only	the number of packets failed to transmit over the pBus connection.
I32 usrSS7SlotStatSBUSRcvdPacketsOKCount	1.3.6.1.4.1.429.4.77.28.1.11	Integer32	read-only	the number of successful packets received over the pBus connection.
I32 usrSS7SlotStatSBUSRcvdmitPacketsFailCount	1.3.6.1.4.1.429.4.77.28.1.12	Integer32	read-only	the number of packets rejected by the pBus/Sbus client application.
DAT usrSS7CountersResetTime	1.3.6.1.4.1.429.4.77.29	DateAndTime	read-write	Daily time we reset all the sbus statistics counters.
DAT usrSS7GWCountersResetTime	1.3.6.1.4.1.429.4.77.30	DateAndTime	read-write	Daily time we reset all the SS7 GW connection statistics counters.
OCT usrSS7ConnectToGW	1.3.6.1.4.1.429.4.77.31	OCTET STRING	read-write	Command to connect to the SS7 GW manual mode
INT usrSS7SlapTrace	1.3.6.1.4.1.429.4.77.32	INTEGER	read-write	SLAP Side SS7 Trace. enable(1) disable(2)
INT usrSS7TraceOutput	1.3.6.1.4.1.429.4.77.33	INTEGER	read-write	The place where SS7 Trace output is send to. either to the console or syslog
OCT usrSS7DisconnectToGW	1.3.6.1.4.1.429.4.77.34	OCTET STRING	read-write	Command to disconnect the the existing conection to SS7 GW. this will tear down all the sbus connections to HDMs
OCT usrSS7SendHeartBeat	1.3.6.1.4.1.429.4.77.35	OCTET STRING	read-write	Command to send a heartbeat to the existing conection to SS7 GW.
I32 usrSS7MissedHeartBeatsCounter	1.3.6.1.4.1.429.4.77.36	Integer32	read-only	Command to send a heartbeat to the existing conection to SS7 GW.
INT usrSS7SLAPPrimaryGatewayConnectionStatus	1.3.6.1.4.1.429.4.77.37	INTEGER	read-only	The status of the SLAP Connection to the Primary SS7 gateway.
INT usrSS7SLAPSecondaryGatewayConnectionStatus	1.3.6.1.4.1.429.4.77.38	INTEGER	read-only	The status of the SLAP Connection to the Secondary SS7 gateway.
INT usrSS7SLAPPrimaryLinkDownCause	1.3.6.1.4.1.429.4.77.39	INTEGER	read-only	The status of the SLAP Connection to the Secondary SS7 gateway.
INT usrSS7SLAPSecondaryLinkDownCause	1.3.6.1.4.1.429.4.77.40	INTEGER	read-only	The status of the SLAP Connection to the Secondary SS7 gateway.
INT usrSS7SLAPUpTrap	1.3.6.1.4.1.429.4.77.41	INTEGER	read-write	if enabled sends TRAP each time the SLAP connection to the gateway goes UP.
INT usrSS7SLAPDownTrap	1.3.6.1.4.1.429.4.77.42	INTEGER	read-write	if enabled sends TRAP each time the SLAP connection to the gateway goes Down.
INT usrSS7ENFASUpTrap	1.3.6.1.4.1.429.4.77.43	INTEGER	read-write	if enabled sends TRAP each time the ENFAS connection to the HDM goes Up.
INT usrSS7ENFASDownTrap	1.3.6.1.4.1.429.4.77.44	INTEGER	read-write	if enabled sends TRAP each time the ENFAS connection to the HDM goes Down.
INT usrSS7DropCallFlag	1.3.6.1.4.1.429.4.77.45	INTEGER	read-write	if enabled, drops all the calls, if the connection the GW is gone. after the timer expires .
I32 usrSS7DropCallTimer	1.3.6.1.4.1.429.4.77.46	Integer32	read-write	When timer expires drops all the calls, when looses GW connection
usrSS7Traps	1.3.6.1.4.1.429.4.77.47
NTF usrSS7SLAPGatewayDownTrap	1.3.6.1.4.1.429.4.77.47.1			This trap is generated when SLAP connection to the SS7 Gateway goes down.
NTF usrSS7SLAPGatewayUPTrap	1.3.6.1.4.1.429.4.77.47.2			This trap is generated when SLAP connection to the SS7 Gateway is restored.
NTF usrSS7ENFASConnectionDownTrap	1.3.6.1.4.1.429.4.77.47.3			This trap is generated when ENFAS connection to the HiperDSP slot is Down.
NTF usrSS7ENFASConnectionUPTrap	1.3.6.1.4.1.429.4.77.47.4			This trap is generated when ENFAS connection to the HiperDSP slot is restored.

RFC description

Manages SS7 (Signaling System 7) protocol configuration and gateway connectivity for telecom networks.

Start monitoring CommWorks/3Com SS7 gateways 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 USR-SS7-MIB

What Is USR-SS7-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description