JUNIPER-MOBILE-GATEWAY-SGW-SM-MIB

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Organization: Juniper Networks, Inc.

Last Updated: 2011-10-03

Category: Domain: Telco/Transport, Vendor: Juniper

Description: Provides managed objects for the Serving Gateway (SGW) Session Manager on Juniper Networks Mobile Gateway LTE platforms.

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What Is JUNIPER-MOBILE-GATEWAY-SGW-SM-MIB?

JUNIPER-MOBILE-GATEWAY-SGW-SM-MIB is a Juniper Networks MIB for the Mobile Gateway platform's Serving Gateway (SGW) Session Manager, part of Juniper's LTE/EPC mobile packet core product line. It exposes per-session-manager statistics covering GTP tunnel establishment attempts and successes, peer- and gateway-initiated deactivations, and GTP-C/GTP-U packet and byte counters split by interface (Gn/S5/S8) and direction. This is squarely a performance/traffic-counter MIB used to monitor the software-level health of the mobile core's session management function — tracking session establishment success rates, deactivation causes, and throughput — rather than physical hardware sensors like temperature or fans. As an LTE/EPC-specific module it builds on 3GPP GTP protocol concepts and is deployed alongside other JUNIPER-MOBILE-GATEWAY-* MIBs (e.g. system, MME, PGW modules) that together cover the full mobile gateway chassis. It is used in carrier mobile-core deployments to monitor Juniper hardware running SGW functions for LTE subscriber data sessions. Engineers can download the JUNIPER-MOBILE-GATEWAY-SGW-SM-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in JUNIPER-MOBILE-GATEWAY-SGW-SM-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

Juniper Networks mobile Serving Gateway (SGW) platforms

Monitoring Examples

An operator would poll jnxMbgSgwSMStatsTable/jnxMbgSgwSMStatsEntry for jnxMbgSgwSessnEstAttmpts versus jnxMbgSgwSuccSessnEst to compute the session establishment success rate for the SGW's session manager. A rising ratio of jnxMbgSgwPeerInitDeactv or jnxMbgSgwGwInitDeactv relative to jnxMbgSgwPeerInitSuccDeactv/jnxMbgSgwGwInitSuccDeactv would flag abnormal session teardown behavior worth investigating. Throughput can be tracked via jnxMbgSgwGtpStatsGnS5S8InpPkt/InpByt and OutPkt/OutByt, and jnxMbgSgwSMNotifications would alert on threshold conditions detected by the session manager.

What Can Be Monitored

session establishment attempts
successful session establishments
peer-initiated deactivations
gateway-initiated deactivations
GTP Gn/S5/S8 input/output packet and byte counts

Imported Objects

From HCNUM-TC

CounterBasedGauge64

From JUNIPER-MBG-SMI

jnxMobileGatewaySgw

OBJECT-IDENTITY

From JUNIPER-MOBILE-GATEWAYS

jnxMbgGwIndex	OBJECT-TYPE
jnxMbgGwName	OBJECT-TYPE

From SNMPv2-SMI

Counter64
Gauge32
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

DisplayString
TEXTUAL-CONVENTION

How to Use in IPNetwork Monitor

Example using jnxMbgSgwSessnEstAttmpts OID:

Select a Juniper Networks mobile gateway platform 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 jnxMbgSgwSessnEstAttmpts 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. It reports the total Session establishment attempts. 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 Counter64-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases sharply between polls relative to its normal baseline, since an unexpected spike often reflects a real change in traffic or activity. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
STR jnxMbgGwSpicName	1.3.6.1.4.1.2636.3.66.2.4.1.3.1	DisplayString	accessible-for-notify	This identifies the session-pic
NUM jnxMbgSgwActvBearers	1.3.6.1.4.1.2636.3.66.2.4.1.2.1.3	CounterBasedGauge64	read-only	Total active bearers.
NUM jnxMbgSgwActvSessions	1.3.6.1.4.1.2636.3.66.2.4.1.2.1.2	CounterBasedGauge64	read-only	Total active sessions.
NUM jnxMbgSgwActvSubscribers	1.3.6.1.4.1.2636.3.66.2.4.1.2.1.1	CounterBasedGauge64	read-only	Total active subscribers.
NTF jnxMbgSgwAMSMMStateChange	1.3.6.1.4.1.2636.3.66.2.4.0.10			This notification indicates that the gateway name, AMS interfce name, interface previous state and new state information during the in the AMS interface maintenance mode.
NTF jnxMbgSgwAPFEMMStateChange	1.3.6.1.4.1.2636.3.66.2.4.0.9			This notification indicates that the gateway name, APFE interfce name, interface previous state and new state information during the in the APFE interface maintenance mode.
U32 jnxMbgSgwClRateIntervalMin	1.3.6.1.4.1.2636.3.66.2.4.1.4.1.1	Unsigned32	read-only	Aggregation interval for call rate statisitcs in minutes.
C64 jnxMbgSgwClRateStatsGnInpByt	1.3.6.1.4.1.2636.3.66.2.4.1.4.1.6	Counter64	read-only	Total GTP statistics Gn Input bytes.
C64 jnxMbgSgwClRateStatsGnInpPkt	1.3.6.1.4.1.2636.3.66.2.4.1.4.1.4	Counter64	read-only	Total GTP statistics Gn Input packets.
C64 jnxMbgSgwClRateStatsGnOutByt	1.3.6.1.4.1.2636.3.66.2.4.1.4.1.7	Counter64	read-only	Total GTP statistics Gn Output bytes.
C64 jnxMbgSgwClRateStatsGnOutPkt	1.3.6.1.4.1.2636.3.66.2.4.1.4.1.5	Counter64	read-only	Total GTP statistics Gn Output packets.
C64 jnxMbgSgwClRateSuccSessnDel	1.3.6.1.4.1.2636.3.66.2.4.1.4.1.3	Counter64	read-only	Total sessions successfully deleted.
C64 jnxMbgSgwClRateSuccSessnEst	1.3.6.1.4.1.2636.3.66.2.4.1.4.1.2	Counter64	read-only	Total sessions successfully established.
NTF jnxMbgSgwCpuThrStatusClear	1.3.6.1.4.1.2636.3.66.2.4.0.3			This notification signifies that normal thresholds for CPU Utilization has been reached.
NTF jnxMbgSgwCpuThrStatusHi	1.3.6.1.4.1.2636.3.66.2.4.0.1			This notification signifies that the configured high threshold for CPU Utilization has been exceeded.
NTF jnxMbgSgwCpuThrStatusLow	1.3.6.1.4.1.2636.3.66.2.4.0.2			This notification signifies that the configured low threshold for CPU Utilization has been reached.
G32 jnxMbgSgwCPUUtil	1.3.6.1.4.1.2636.3.66.2.4.1.2.1.10	Gauge32	read-only	Current CPU Utilization.
C64 jnxMbgSgwDedBrCrtAttmpts	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.15	Counter64	read-only	Total Dedicated bearer creation attempts.
C64 jnxMbgSgwDedBrDeActvAttmpts	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.19	Counter64	read-only	Total Dedicated bearer deactivation attempts.
NTF jnxMbgSgwGatewayMMStateChange	1.3.6.1.4.1.2636.3.66.2.4.0.14			This notification indicates that the Gateway identified by jnxMbgSgwGatewayName undergoes a change in the maintenance mode state.
C64 jnxMbgSgwGtpStatsGnS5S8InpByt	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.8	Counter64	read-only	Total GTP statistics (Gn/S5/S8) Input bytes.
C64 jnxMbgSgwGtpStatsGnS5S8InpPkt	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.7	Counter64	read-only	Total GTP statistics (Gn/S5/S8) Input packets.
C64 jnxMbgSgwGtpStatsGnS5S8OutByt	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.10	Counter64	read-only	Total GTP statistics (Gn/S5/S8) Output bytes.
C64 jnxMbgSgwGtpStatsGnS5S8OutPkt	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.9	Counter64	read-only	Total GTP statistics (Gn/S5/S8) Output packets.
C64 jnxMbgSgwGtpStatsS1uInpByt	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.12	Counter64	read-only	Total GTP statistics S1-U Input bytes.
C64 jnxMbgSgwGtpStatsS1uInpPkt	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.11	Counter64	read-only	Total GTP statistics S1-U Input packets.
C64 jnxMbgSgwGtpStatsS1uOutByt	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.14	Counter64	read-only	Total GTP statistics S1-U Output bytes.
C64 jnxMbgSgwGtpStatsS1uOutPkt	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.13	Counter64	read-only	Total GTP statistics S1-U Output packets.
C64 jnxMbgSgwGwInitDeactv	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.5	Counter64	read-only	Total Gateway initiated session deactivation attempts. Deprecated : Reported as zero
C64 jnxMbgSgwGwInitSuccDeactv	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.6	Counter64	read-only	Total Gateway initiated successful session deactivations. Deprecated : Reported as zero
NUM jnxMbgSgwIdleBearers	1.3.6.1.4.1.2636.3.66.2.4.1.2.1.6	CounterBasedGauge64	read-only	Total idle bearers.
NUM jnxMbgSgwIdleSessions	1.3.6.1.4.1.2636.3.66.2.4.1.2.1.5	CounterBasedGauge64	read-only	Total idle sessions.
NUM jnxMbgSgwIdleSubscribers	1.3.6.1.4.1.2636.3.66.2.4.1.2.1.4	CounterBasedGauge64	read-only	Total idle subscribers.
C64 jnxMbgSgwIdlMdTauRauAttmpts	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.27	Counter64	read-only	Total Idle mode TAU/RAU attempts.
C64 jnxMbgSgwIntrRatHoAttmpts	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.21	Counter64	read-only	Total Inter RAT Handover attempts.
G32 jnxMbgSgwMemoryUtil	1.3.6.1.4.1.2636.3.66.2.4.1.2.1.11	Gauge32	read-only	Current Memory Utilization.
NTF jnxMbgSgwMemThrStatusClear	1.3.6.1.4.1.2636.3.66.2.4.0.6			This notification signifies that the normal threshold for Memory Utilization has been reached.
NTF jnxMbgSgwMemThrStatusHi	1.3.6.1.4.1.2636.3.66.2.4.0.4			This notification signifies that the configured high threshold for Memory Utilization has been exceeded.
NTF jnxMbgSgwMemThrStatusLow	1.3.6.1.4.1.2636.3.66.2.4.0.5			This notification signifies that the configured low threshold for Memory Utilization has been reached.
NTF jnxMbgSgwMSMMStateChange	1.3.6.1.4.1.2636.3.66.2.4.0.8			This notification indicates that the gateway name, MS interfce name, interface previous state and new state information during the in the MS interface maintenance mode.
INT jnxMbgSgwNewMMState	1.3.6.1.4.1.2636.3.66.2.4.1.3.6	INTEGER	accessible-for-notify	A string that indicates the maintenance-mode new state .
C64 jnxMbgSgwPeerInitDeactv	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.3	Counter64	read-only	Total MS/peer initiated session deactivation attempts. Deprecated : Reported as zero
C64 jnxMbgSgwPeerInitSuccDeactv	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.4	Counter64	read-only	Total MS/peer initiated successful session deactivations. Deprecated : Reported as zero
NTF jnxMbgSgwPFEMMStateChange	1.3.6.1.4.1.2636.3.66.2.4.0.7			This notification indicates that the gateway name, PFE interfce name, interface previous state and new state information during the in the PFE interface maintenance mode.
INT jnxMbgSgwPrevMMState	1.3.6.1.4.1.2636.3.66.2.4.1.3.5	INTEGER	accessible-for-notify	A string that indicates the maintenance-mode previous state .
NTF jnxMbgSgwQosBearerThrStatusClear	1.3.6.1.4.1.2636.3.66.2.4.0.13			This notification signifies that the normal threshold for bearers at gateway level has been reached.
NTF jnxMbgSgwQosBearerThrStatusHi	1.3.6.1.4.1.2636.3.66.2.4.0.11			This notification signifies that the configured high threshold for bearers at gateway level has been exceeded.
NTF jnxMbgSgwQosBearerThrStatusLow	1.3.6.1.4.1.2636.3.66.2.4.0.12			This notification signifies that the configured low threshold for bearers at gateway level has been reached.
C64 jnxMbgSgwS1HoAttmpts	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.25	Counter64	read-only	Total S1 based handover attempts.
C64 jnxMbgSgwServReqAttmempts	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.29	Counter64	read-only	Total Service request attempts.
C64 jnxMbgSgwSessnDeActvAttmpts	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.17	Counter64	read-only	Total Session deactivation attempts.
C64 jnxMbgSgwSessnEstAttmptsEx	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.1	Counter64	read-only	Total Session establishment attempts.
jnxMbgSgwSMClRateStatsEntry	1.3.6.1.4.1.2636.3.66.2.4.1.4.1		not-accessible	An entry representing a Mobile PDN Gateway Call Rate Statistics.
jnxMbgSgwSMClRateStatsTable	1.3.6.1.4.1.2636.3.66.2.4.1.4		not-accessible	The table lists the call rate statistics for the most recent configured interval for Serving Gateway. Gateway ID is used as a key.
STR jnxMbgSgwSMInterfaceName	1.3.6.1.4.1.2636.3.66.2.4.1.3.4	DisplayString	accessible-for-notify	A string that uniquely identifies SGW interface
jnxMbgSgwSMMib	1.3.6.1.4.1.2636.3.66.2.4			This module defines objects pertaining to Serving Gateway Subscriber Management for Mobile Edge.
jnxMbgSgwSMNotifications	1.3.6.1.4.1.2636.3.66.2.4.0
jnxMbgSgwSMNotificationVars	1.3.6.1.4.1.2636.3.66.2.4.1.3
jnxMbgSgwSMObjects	1.3.6.1.4.1.2636.3.66.2.4.1
jnxMbgSgwSMStatsEntry	1.3.6.1.4.1.2636.3.66.2.4.1.1.1		not-accessible	An entry representing Serving Gateway Statistics.
jnxMbgSgwSMStatsTable	1.3.6.1.4.1.2636.3.66.2.4.1.1		not-accessible	The table lists gateway level statistics for Serving Gateway. Key is Gateway Id.
jnxMbgSgwSMStatusEntry	1.3.6.1.4.1.2636.3.66.2.4.1.2.1		not-accessible	An entry representing Serving Gateway Status.
jnxMbgSgwSMStatusTable	1.3.6.1.4.1.2636.3.66.2.4.1.2		not-accessible	The table listing gateway level status for Serving Gateway. Key is Gateway Name.
C64 jnxMbgSgwSuccDedBrCrt	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.16	Counter64	read-only	Total Dedicated bearer creations successful.
C64 jnxMbgSgwSuccDedBrDeActv	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.20	Counter64	read-only	Total Dedicated bearers deactivation successful.
C64 jnxMbgSgwSuccIdlMdTauRau	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.28	Counter64	read-only	Total Idle mode TAU/RAU successful.
C64 jnxMbgSgwSuccIntrRatHo	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.22	Counter64	read-only	Total Inter RAT Handover successful.
C64 jnxMbgSgwSuccS1Ho	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.26	Counter64	read-only	Total S1 based handovers successful.
C64 jnxMbgSgwSuccServReq	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.30	Counter64	read-only	Total Service requests successful.
C64 jnxMbgSgwSuccSessnDeActv	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.18	Counter64	read-only	Total Sessions deactivations successful.
C64 jnxMbgSgwSuccSessnEst	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.2	Counter64	read-only	Total Sessions established successfully.
C64 jnxMbgSgwSuccX2Ho	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.24	Counter64	read-only	Total X2 based handovers successful.
NUM jnxMbgSgwSuspBearers	1.3.6.1.4.1.2636.3.66.2.4.1.2.1.9	CounterBasedGauge64	read-only	Total suspended bearers.
NUM jnxMbgSgwSuspSessions	1.3.6.1.4.1.2636.3.66.2.4.1.2.1.8	CounterBasedGauge64	read-only	Total suspended sessions.
NUM jnxMbgSgwSuspSubscribers	1.3.6.1.4.1.2636.3.66.2.4.1.2.1.7	CounterBasedGauge64	read-only	Total suspended subscribers.
U32 jnxMbgSgwTrapGwIndex	1.3.6.1.4.1.2636.3.66.2.4.1.3.2	Unsigned32	accessible-for-notify	Gateway Index.
STR jnxMbgSgwTrapGwName	1.3.6.1.4.1.2636.3.66.2.4.1.3.3	DisplayString	accessible-for-notify	Gateway Name.
C64 jnxMbgSgwX2HoAttmpts	1.3.6.1.4.1.2636.3.66.2.4.1.1.1.23	Counter64	read-only	Total X2 based handover attempts.

RFC description

Management of Serving Gateway Subscriber Management for Juniper Mobile Edge platforms.

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Download JUNIPER-MOBILE-GATEWAY-SGW-SM-MIB