Unisphere-Data-LOG-MIB

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Organization: Unisphere Networks, Inc.

Last Updated: 2001-03-16

Category: Juniper Unisphere ERX Routing

Description: Manages Unisphere ERX system event logging configuration, log levels, and syslog server targeting.

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What Is Unisphere-Data-LOG-MIB?

Unisphere-Data-LOG-MIB is an enterprise MIB from Unisphere Networks (maker of the ERX edge routers, later folded into Juniper's E-series line) that manages the device's internal event-logging subsystem. It exposes configuration objects for logging destinations -- console, non-volatile file, and remote syslog servers -- including per-destination severity filtering, syslog server IP address and facility, and a table of configured log categories. Administrators use it to monitor and control which software subsystems log events and at what severity, governing visibility into the router's operational and fault history; a misconfigured severity or missing syslog target here would explain why expected fault/error messages aren't reaching a monitoring system. It operates as a vendor logging framework typically used alongside standard SNMP notifications and RFC 3164 syslog conventions for centralized log collection. It is typically deployed on Unisphere/Juniper ERX edge routers in service-provider access networks. Engineers can download the Unisphere-Data-LOG-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in Unisphere-Data-LOG-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

Unisphere/Juniper ERX edge router

Monitoring Examples

An operator would check usdLogDestSyslogSeverity and usdLogDestSyslogAddress to confirm which severity level is forwarded to which remote syslog collector, and walk usdLogSyslogTable/usdLogSyslogEntry to see configured syslog server entries with usdLogSyslogIpAddress, usdLogSyslogFacility, and usdLogSyslogRowStatus. If usdLogDestConsoleSeverity is far more verbose than usdLogDestNvFileSeverity, console output and the persisted log file will diverge, explaining discrepancies during troubleshooting. Reviewing usdLogCatTable/usdLogCatEntry reveals which logging categories are enabled, helping confirm whether a specific subsystem's events are captured at all.

What Can Be Monitored

syslog destination severity filters
syslog server IP address and facility
console logging severity
NV file logging severity
configured log categories

Imported Objects

From SNMPv2-CONF

MODULE-COMPLIANCE
NOTIFICATION-GROUP
OBJECT-GROUP

From SNMPv2-SMI

Counter32
Integer32
IpAddress
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

DateAndTime
DisplayString
RowStatus
TEXTUAL-CONVENTION
TimeStamp
TruthValue

From Unisphere-Data-MIBs

usDataMibs

MODULE-IDENTITY

From Unisphere-Data-TC

UsdLogSeverity

How to Use in IPNetwork Monitor

Example using usdLogCatDiscards OID:

Select an Unisphere/Juniper ERX edge router (log destination/severity-filter config 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 usdLogCatDiscards 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 messages generated by this log category that were discarded because of resource limitations. 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
usdLogMIB	1.3.6.1.4.1.4874.2.2.28			The Log MIB for the Unisphere Networks Inc. enterprise.
usdLogTrapPrefix	1.3.6.1.4.1.4874.2.2.28.0
NTF usdLogMsgThresholdTrap	1.3.6.1.4.1.4874.2.2.28.0.1			This trap is generated to report that an incremental number of log messages (described by the value of usdLogMsgThreshold) have been added to usdLogMsgTable.
usdLogObjects	1.3.6.1.4.1.4874.2.2.28.1
usdLogDestinations	1.3.6.1.4.1.4874.2.2.28.1.1
usdLogDestSyslog	1.3.6.1.4.1.4874.2.2.28.1.1.1
USD usdLogDestSyslogSeverity	1.3.6.1.4.1.4874.2.2.28.1.1.1.1	UsdLogSeverity	read-write	The minimum severity level of messages sent to the SYSLOG server. A value of 'off' indicates no log messages are sent to this destination.
IP usdLogDestSyslogAddress	1.3.6.1.4.1.4874.2.2.28.1.1.1.2	IpAddress	read-write	The IP address of the SYSLOG server to which log messages are to be sent. A value of 0.0.0.0 indicates no server address is configured.
usdLogSyslogTable	1.3.6.1.4.1.4874.2.2.28.1.1.1.3		not-accessible	A table describing the characteristics of each syslog destination.
usdLogSyslogEntry	1.3.6.1.4.1.4874.2.2.28.1.1.1.3.1		not-accessible	An entry describingthe characteristics of a syslog destination.
IP usdLogSyslogIpAddress	1.3.6.1.4.1.4874.2.2.28.1.1.1.3.1.1	IpAddress	not-accessible	The IP address of this syslog destination. This value must be a unicast IP address.
ROW usdLogSyslogRowStatus	1.3.6.1.4.1.4874.2.2.28.1.1.1.3.1.2	RowStatus	read-create	Controls creation/deletion of entries in this table. Only 'createAndGo' and 'destroy' are supported.
USD usdLogSyslogSeverity	1.3.6.1.4.1.4874.2.2.28.1.1.1.3.1.3	UsdLogSeverity	read-create	The severity level for this syslog destination. Setting this value to 'off' suppresses log messages from being sent to this syslog destination.
USD usdLogSyslogFacility	1.3.6.1.4.1.4874.2.2.28.1.1.1.3.1.4	UsdLogSyslogFacility	read-create	The facility id attached to messages sent to this syslog destination.
usdLogDestConsole	1.3.6.1.4.1.4874.2.2.28.1.1.2
USD usdLogDestConsoleSeverity	1.3.6.1.4.1.4874.2.2.28.1.1.2.1	UsdLogSeverity	read-write	The minimum severity level of messages sent to the console. A value of 'off' indicates no log messages are sent to this destination.
usdLogDestNvFile	1.3.6.1.4.1.4874.2.2.28.1.1.3
USD usdLogDestNvFileSeverity	1.3.6.1.4.1.4874.2.2.28.1.1.3.1	UsdLogSeverity	read-write	The minimum severity level of messages sent to the nonvolatile log file. A value of 'off' indicates no log messages are to be sent to this destination.
usdLogCategories	1.3.6.1.4.1.4874.2.2.28.1.2
usdLogCatScalars	1.3.6.1.4.1.4874.2.2.28.1.2.1
usdLogCatTable	1.3.6.1.4.1.4874.2.2.28.1.2.2		not-accessible	A table describing the characteristics of each log category.
usdLogCatEntry	1.3.6.1.4.1.4874.2.2.28.1.2.2.1		not-accessible	An entry describing the characteristics of a log category.
I32 usdLogCatIndex	1.3.6.1.4.1.4874.2.2.28.1.2.2.1.1	Integer32	not-accessible	An integer index uniquely associated with a log. Index values do not necessarily persist across system reboots. Following reboot, mappings of (reboot-invariant) log category names to log index values is available in the usdLogCatNameTable.
USD usdLogCatName	1.3.6.1.4.1.4874.2.2.28.1.2.2.1.2	UsdLogCatName	read-only	The name of this log category.
STR usdLogCatDescr	1.3.6.1.4.1.4874.2.2.28.1.2.2.1.3	DisplayString	read-only	A description of the functionality for which events are recorded by this log category.
T/F usdLogCatEngineering	1.3.6.1.4.1.4874.2.2.28.1.2.2.1.4	TruthValue	read-only	An indication of whether this log is intended mainly for engineering development and debug purposes.
C32 usdLogCatDiscardsEx	1.3.6.1.4.1.4874.2.2.28.1.2.2.1.5	Counter32	read-only	The number of messages generated by this log category that were discarded because of resource limitations.
USD usdLogCatSeverity	1.3.6.1.4.1.4874.2.2.28.1.2.2.1.6	UsdLogSeverity	read-write	The severity level for this log category. The value 'off' disables recording of this log category's messages. For other severity level values, only messages at or above this severity level will be logged in usdLogMsgTable.
USD usdLogCatVerbosity	1.3.6.1.4.1.4874.2.2.28.1.2.2.1.7	UsdLogVerbosity	read-write	The verbosity level for this log category. Supplementary information may be available for certain event types. This object controls whether that additional information, if available for a given event, is recorded.
usdLogCatNameTable	1.3.6.1.4.1.4874.2.2.28.1.2.3		not-accessible	A table mapping each log category's name to its index.
usdLogCatNameEntry	1.3.6.1.4.1.4874.2.2.28.1.2.3.1		not-accessible	An entry mapping a log category's name to its index.
USD usdLogCatNameName	1.3.6.1.4.1.4874.2.2.28.1.2.3.1.1	UsdLogCatName	read-only	The name of the log category.
I32 usdLogCatNameIndex	1.3.6.1.4.1.4874.2.2.28.1.2.3.1.2	Integer32	read-only	The log index associated with this log category.
usdLogMessages	1.3.6.1.4.1.4874.2.2.28.1.3
usdLogMsgScalars	1.3.6.1.4.1.4874.2.2.28.1.3.1
I32 usdLogMsgCapacity	1.3.6.1.4.1.4874.2.2.28.1.3.1.1	Integer32	read-only	The maximum capacity, in number of log messages, of the usdLogMsgTable.
C32 usdLogMsgLastSeqNumber	1.3.6.1.4.1.4874.2.2.28.1.3.1.2	Counter32	read-only	The sequence number of the most recent usdLogMsgTable entry. By monitoring this object's rate of change in relation to the usdLogMsgTable capacity, a management client can determine whether it is polling usdLogMsgTable frequently enough to avoid missing log messages.
usdLogMsgTable	1.3.6.1.4.1.4874.2.2.28.1.3.2		not-accessible	A table of log messages generated by this device.
usdLogMsgEntry	1.3.6.1.4.1.4874.2.2.28.1.3.2.1		not-accessible	A log message generated by this device.
TIM usdLogMsgSysUpTimeStamp	1.3.6.1.4.1.4874.2.2.28.1.3.2.1.1	TimeStamp	not-accessible	The value of sysUpTime when this log message was recorded.
U32 usdLogMsgSequenceNumber	1.3.6.1.4.1.4874.2.2.28.1.3.2.1.2	Unsigned32	not-accessible	A sequence number that uniquely identifies this entry. Sequence numbers are assigned consecutively beginning with 1. More recent entries have higher sequence numbers.
USD usdLogMsgCatName	1.3.6.1.4.1.4874.2.2.28.1.3.2.1.3	UsdLogCatName	read-only	Name of the log category that contributed this message.
I32 usdLogMsgCatIndex	1.3.6.1.4.1.4874.2.2.28.1.3.2.1.4	Integer32	read-only	Index of the log category that contributed this message.
USD usdLogMsgSeverity	1.3.6.1.4.1.4874.2.2.28.1.3.2.1.5	UsdLogSeverity	read-only	The severity of the message.
STR usdLogMsgText	1.3.6.1.4.1.4874.2.2.28.1.3.2.1.6	DisplayString	read-only	The text of the log message. Truncation of log message text is indicated by n asterisk character ('*') in the last octet of a maximum-size string.
DAT usdLogMsgDateAndTimeStamp	1.3.6.1.4.1.4874.2.2.28.1.3.2.1.7	DateAndTime	read-only	The date and time this message was generated.
usdLogTrapControl	1.3.6.1.4.1.4874.2.2.28.2
I32 usdLogMsgThreshold	1.3.6.1.4.1.4874.2.2.28.2.1	Integer32	read-write	Number of log messages which, when added to usdLogMsgTable, cause a usdLogMsgThresholdTrap to be generated. This value is expressed as a percentage of the capacity of usdLogMsgTable. A value of zero disables trap generation.
usdLogMIBConformance	1.3.6.1.4.1.4874.2.2.28.4
usdLogMIBCompliances	1.3.6.1.4.1.4874.2.2.28.4.1
usdLogCompliance	1.3.6.1.4.1.4874.2.2.28.4.1.1			The compliance statement for entities which implement the Unisphere Networks, Inc. Log MIB.
usdLogCompliance2	1.3.6.1.4.1.4874.2.2.28.4.1.2			The compliance statement for entities which implement the Unisphere Networks. Log MIB., including support for multiple SYSLOG destinations.
usdLogMIBGroups	1.3.6.1.4.1.4874.2.2.28.4.2
usdLogGroup	1.3.6.1.4.1.4874.2.2.28.4.2.1			A collection of objects providing management of Unisphere Networks, Inc. logging capabilities.
usdLogGroup2	1.3.6.1.4.1.4874.2.2.28.4.2.2			A collection of objects providing management of Unisphere Networks, Inc logging capabilities, including support for multiple SYSLOG destinations.
usdLogTrapGroup	1.3.6.1.4.1.4874.2.2.28.4.2.3			A management notification pertaining to logging operations.

RFC description

Manages system logging configuration and message delivery to SYSLOG, console, and local file destinations with severity and verbosity filtering.

Start monitoring Unisphere/Juniper ERX edge router (log destination/severity-filter config 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 Unisphere-Data-LOG-MIB