Unisphere-Data-SNMP-MIB

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Organization: Juniper Networks, Inc.

Last Updated: 2002-08-15

Category: Juniper/Unisphere Broadband

Description: Manages SNMP agent configuration, communities, and access control on Juniper/Unisphere ERX routers.

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What Is Unisphere-Data-SNMP-MIB?

Unisphere-Data-SNMP-MIB is a Unisphere Networks (Juniper ERX) enterprise MIB for configuring SNMP-based management access into ERX routing switch products, covering communities, PDU sizing, and interface access modes. It exposes SNMP agent configuration such as maximum PDU size, proxy status, community table entries, and interface compression/display mode settings that govern how management traffic itself is handled. Its role in status monitoring is centered on the management plane's own software configuration — confirming SNMP communities are correctly provisioned (usdSnmpCommunityTable) and that proxy or PDU-size settings match expectations — rather than reporting hardware sensor data. It is inherently built on top of the standard SNMP framework (RFC 3411 series) it is configuring. It is typically used by operators or provisioning systems managing SNMP access credentials and behavior across a fleet of Juniper/Unisphere ERX routers. Engineers can download the Unisphere-Data-SNMP-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in Unisphere-Data-SNMP-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/Unisphere ERX edge router

Monitoring Examples

An admin would check usdSnmpCommunityTable/usdSnmpCommunityEntry for usdSnmpCommunityName and usdSnmpCommunityRowStatus to confirm a community string is active and correctly provisioned before troubleshooting a failed SNMP poll. The usdSnmpMaxPduSize and usdSnmpProxyStatus objects would be reviewed when large SNMP responses are being truncated or when proxy-based access to line cards isn't working as expected.

What Can Be Monitored

configured SNMP communities and row status
maximum PDU size
proxy status
interface SNMP access mode
interface compression display settings

Imported Objects

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter32
Integer32
IpAddress
MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

RowStatus
TEXTUAL-CONVENTION
TruthValue

From Unisphere-Data-MIBs

usDataMibs

MODULE-IDENTITY

From Unisphere-Data-TC

UsdEnable

How to Use in IPNetwork Monitor

Example using usdSnmpTrapGlobalDiscards OID:

Select a Juniper/Unisphere ERX edge router (SNMP community/PDU-size/proxy 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 usdSnmpTrapGlobalDiscards into the Find box to locate it in the OID tree, then select it and click OK. The number of trap requests that were discarded. 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
usdSnmpAccessGroup	1.3.6.1.4.1.4874.2.2.16.2.2.6			A collection of management objects pertaining to SNMP Agent access capabilities in a Unisphere product.
usdSnmpAuthFailGroup	1.3.6.1.4.1.4874.2.2.16.2.2.2			A collection of management objects pertaining to an SNMP authentication failure in a Unisphere product.
usdSnmpAuthFailId	1.3.6.1.4.1.4874.2.2.16.1.4
OCT usdSnmpAuthFailIdCommunity	1.3.6.1.4.1.4874.2.2.16.1.4.3	OCTET STRING	accessible-for-notify	The SNMP community contained in a received SNMP request that failed authentication.
IP usdSnmpAuthFailIdIpAddress	1.3.6.1.4.1.4874.2.2.16.1.4.1	IpAddress	accessible-for-notify	The source IP address contained in a received SNMP request that failed authentication.
INT usdSnmpAuthFailIdReason	1.3.6.1.4.1.4874.2.2.16.1.4.4	INTEGER	accessible-for-notify	The reason a received SNMP request failed authentication: other Unspecified reason. badCommunityName The community is not recognized. badCommunityUse The community does not have privilege for the SNMP request type (e.g. SET request with a community having read-only privilege). hostDenied The host IP address was denied by the community's associated access list.
I32 usdSnmpAuthFailIdUdpPort	1.3.6.1.4.1.4874.2.2.16.1.4.2	Integer32	accessible-for-notify	The source UDP port contained in a received SNMP request that failed authentication.
usdSnmpCommunity	1.3.6.1.4.1.4874.2.2.16.1.2
I32 usdSnmpCommunityAccessList	1.3.6.1.4.1.4874.2.2.16.1.2.1.1.4	Integer32	read-create	If nonzero, the number of an IP access list that describes the IP hosts permitted SNMP management access to this device via the corresponding community name contained in this entry.
USD usdSnmpCommunityAccessListName	1.3.6.1.4.1.4874.2.2.16.1.2.1.1.5	UsdSnmpAccessListName	read-create	If not null, the name of an IP access list that describes the IP hosts permitted SNMP management access to this device via the corresponding community name contained in this entry.
usdSnmpCommunityEntry	1.3.6.1.4.1.4874.2.2.16.1.2.1.1		not-accessible	A table entry describing an authentic SNMP Community.
USD usdSnmpCommunityName	1.3.6.1.4.1.4874.2.2.16.1.2.1.1.1	UsdSnmpCommunityName	read-only	An SNMP community name.
INT usdSnmpCommunityPrivilege	1.3.6.1.4.1.4874.2.2.16.1.2.1.1.3	INTEGER	read-create	The access privilege for an SNMP Community authenticated by this entry (used in conjunction with MIB view as specified via usdSnmpCommunityView). readOnly Read-only access to MIB with associated view. readWrite Read-write access to MIB with associated view. admin Read-write access to entire MIB (for backward compatibility, automatically defaults to 'everything' view and 'readWrite' privilege).
ROW usdSnmpCommunityRowStatus	1.3.6.1.4.1.4874.2.2.16.1.2.1.1.2	RowStatus	read-create	Controls creation/deletion of entries in this table. Only 'createAndGo' and 'destroy' enumeration values are supported.
usdSnmpCommunityTable	1.3.6.1.4.1.4874.2.2.16.1.2.1		not-accessible	Table of SNMP management clients. Authentic SNMP clients are identified by a combination community name and IP address. Upon receipt of an SNMP request, this table is scanned for a matching community name. If an entry containing a matching community name is found, the entry's IP access list, if nonzero, is used to validate the source IP address received in the request; else, if the IP access list number in the matching entry is zero, the source IP address is accepted. Finally, the type of SNMP request is validated with respect to the access privilege of the matching entry (e.g. a SET Request is rejected for an entry having read-only privilege). Use of this table constitutes 'trivial authentication', i.e., no mechanism is employed to confirm the received SNMP request was indeed originated by the host identified by the IP source address.
INT usdSnmpCommunityView	1.3.6.1.4.1.4874.2.2.16.1.2.1.1.6	INTEGER	read-create	The view associated with an SNMP Community authenticated by this entry. everything Access to the entire MIB. user Access to non-administrative portions of MIB. nothing No access. 'Administrative' portions of the MIB are those portions that pertain to management access into the managed device.
usdSnmpCompliance	1.3.6.1.4.1.4874.2.2.16.2.1.1			Obsolete compliance statement for entities which implement the Unisphere SNMP MIB. This statement became obsolete when View support and Named Access List support were added.
usdSnmpCompliance2	1.3.6.1.4.1.4874.2.2.16.2.1.2			Obsolete compliance statement for entities which implement the Unisphere SNMP MIB. This statement became obsolete when usdSnmpInterfaceMode was added.
usdSnmpCompliance3	1.3.6.1.4.1.4874.2.2.16.2.1.3			Obsolete compliance statement for entities which implement the Unisphere SNMP MIB. This statement became obsolete when support for interface compress, trap severities and trap severity filtering was added and usdSnmpInterfaceMode was obsoleted.
usdSnmpCompliance4	1.3.6.1.4.1.4874.2.2.16.2.1.4			The compliance statement for entities which implement the Unisphere SNMP MIB. This statement became obsolete when support for SNMP proxy enable/disable was added.
usdSnmpCompliance5	1.3.6.1.4.1.4874.2.2.16.2.1.5			The compliance statement for entities which implement the Unisphere SNMP MIB.
usdSnmpCompliances	1.3.6.1.4.1.4874.2.2.16.2.1
usdSnmpConformance	1.3.6.1.4.1.4874.2.2.16.2
usdSnmpGeneral	1.3.6.1.4.1.4874.2.2.16.1.1
usdSnmpGeneralGroup	1.3.6.1.4.1.4874.2.2.16.2.2.5			Obsolete collection of management objects pertaining to general SNMP Agent capabilities in a Unisphere product. This group became obsolete when proxey enable/disable support was added.
usdSnmpGeneralGroup2	1.3.6.1.4.1.4874.2.2.16.2.2.8			A collection of management objects pertaining to general SNMP Agent capabilities in a Unisphere product.
usdSnmpGroup	1.3.6.1.4.1.4874.2.2.16.2.2.1			Obsolete collection of management objects pertaining to SNMP Agent capability in a Unisphere product. This group became obsolete when View support and Named Access List support were added.
usdSnmpGroup2	1.3.6.1.4.1.4874.2.2.16.2.2.3			Obsolete collection of management objects pertaining to SNMP Agent capability in a Unisphere product. This group became obsolete when usdSnmpInterfaceMode was added.
usdSnmpGroup3	1.3.6.1.4.1.4874.2.2.16.2.2.4			Obsolete collection of management objects pertaining to SNMP Agent capability in a Unisphere product. This group became obsolete when support for interface compress, trap severities and trap severity filtering was added and usdSnmpInterfaceMode was obsoleted.
usdSnmpGroups	1.3.6.1.4.1.4874.2.2.16.2.2
usdSnmpInterfaceCompress	1.3.6.1.4.1.4874.2.2.16.1.1.3
INT usdSnmpInterfaceMode	1.3.6.1.4.1.4874.2.2.16.1.1.2	INTEGER	read-write	The interface table mode for the SNMP agent(s) associated with this system. usdSnmpInterfaceModeVerbose(1) - the standard ifTable, ifXTable and ifStackTable contain entries for every standard and proprietary interface type supported by this system. usdSnmpInterfaceModeCompress(2) - the standard ifTable, ifXTable and ifStackTable contain a subset of interface types. Certain interface types like HDLC and IP and others are excluded from the standard tables but are manageable from proprietary MIBs. usdSnmpInterfaceModeEnhanced(3) - the standard ifTable, ifXTable and ifStackTable contain a subset of interface types. Enhanced mode cannot by configured at this time via SNMP. Attempts to set this value will fail.
T/F usdSnmpIntfCompCompressed	1.3.6.1.4.1.4874.2.2.16.1.1.3.1	TruthValue	read-write	true(1) - the standard ifTable, ifXTable and ifStackTable contain a subset of interface types. Certain interface types like HDLC and IP and others are excluded from the standard tables but are manageable from proprietary MIBs. false(2) - the standard ifTable, ifXTable and ifStackTable contain entries for every standard and proprietary interface type supported by this system.
OCT usdSnmpIntfCompEnhanced	1.3.6.1.4.1.4874.2.2.16.1.1.3.2	OCTET STRING	read-write	This object governs which interface types are visable to SNMP management clients that use the standard ifTable, ifXTable and ifStackTable. The object is a variable length octet string that is interpreted as a bit mask. Each bit respresents a specific Unisphere interface type that can be included or excluded in the standard interface tables. For each bit position in each octet of the string, a '1' or '0' indicates the corresponding interface type is either removed (compressed) from the standard interface MIB tables, or included respectively. Individual bit definitions follow the UsdIfType convention defined in the Unisphere-Data-IF-MIB. For example, ip(0) and ppp(1) correspond to bit definitions 0 and 1 respectively. In each octet, bit 0 is least significant, bit 7 most significant.
OCT usdSnmpIntfCompEnhancedDisplay	1.3.6.1.4.1.4874.2.2.16.1.1.3.3	OCTET STRING	read-only	This object displays the excluded interface types in human readable form. Three dots (...) at the end of display string indicates that the output has been truncated.
NUM usdSnmpIntfCompRestricted	1.3.6.1.4.1.4874.2.2.16.1.1.3.4	UsdSnmpIntfCompRestrictedMask	read-write	This object governs which interface instances appear to SNMP management clients that use the standard ifTable, ifXTable and ifStackTable. The control is based on a set of interface restrictions defined by UsdSnmpInterfaceModeRestrictedMask. For each bit position in each octet of the string, a '1' or '0' controls whether an interface instance that matches the restriction is removed or included in the standard interface MIB tables. For example, setting the value of this object to 1 will remove all interface instances with an ifAdminStatus(2). In each octet, bit 0 is least significant, bit 7 most significant.
OCT usdSnmpIntfCompRestrictedDisplay	1.3.6.1.4.1.4874.2.2.16.1.1.3.5	OCTET STRING	read-only	This object displays the restrictions in human readable form. Three dots (...) at the end of display string indicates that the output has been truncated.
I32 usdSnmpMaxPduSize	1.3.6.1.4.1.4874.2.2.16.1.1.1	Integer32	read-write	The maximum sized SNMP PDU, in bytes, that this agent is capable of handling. The default is 1500 bytes. The possibility of IP fragmentation should be considered when setting this object to large values.
usdSnmpMIB	1.3.6.1.4.1.4874.2.2.16			MIB objects for configuring SNMP-based management access into Juniper routing switch products.
usdSnmpObjects	1.3.6.1.4.1.4874.2.2.16.1
USD usdSnmpProxyStatus	1.3.6.1.4.1.4874.2.2.16.1.1.4	UsdEnable	read-write	Enable/disable SNMP proxy between virtual routers.
usdSnmpTrap	1.3.6.1.4.1.4874.2.2.16.1.3
C32 usdSnmpTrapGlobalDiscardsEx	1.3.6.1.4.1.4874.2.2.16.1.3.6	Counter32	read-only	The number of trap requests that were discarded. A trap may be discarded because the trap type is either not globally configured in usdSnmpTrapGlobalFilter, or because the traps's priority is below the minimum trap severity filter defined by usdSnmpTrapGlobalSeverityFilter.
USD usdSnmpTrapGlobalFilter	1.3.6.1.4.1.4874.2.2.16.1.3.1	UsdSnmpTrapMask	read-write	This object provides global control over trap generation by this agent. For each bit position, a '1' or '0' indicates the corresponding trap category is enabled or disabled, respectively.
USD usdSnmpTrapGlobalSeverityFilter	1.3.6.1.4.1.4874.2.2.16.1.3.7	UsdTrapSeverity	read-write	Traps flow through two levels of filtering: global and then host. The value of this object defines the global minimum severity level a trap must have in order to be forwarded to the host level trap processing. A trap will be discarded and counted in usdSnmpTrapGlobalDiscards if its severity level is less then the value of this object.
usdSnmpTrapGroup	1.3.6.1.4.1.4874.2.2.16.2.2.7			A collection of management objects pertaining to SNMP Agent trap capabilities in a Unisphere product.
USD usdSnmpTrapHostCommunity	1.3.6.1.4.1.4874.2.2.16.1.3.3.1.4	UsdSnmpCommunityName	read-create	An SNMP community name to be used in traps sent to this destination.
C32 usdSnmpTrapHostDiscards	1.3.6.1.4.1.4874.2.2.16.1.3.3.1.8	Counter32	read-only	The number of trap requests that were discarded. A trap may be discarded because the trap type is either not a configured type in usdSnmpTrapHostFilter, or because the traps's priority is below the minimum trap severity filter defined by usdSnmpTrapHostSeverityFilter.
usdSnmpTrapHostEntry	1.3.6.1.4.1.4874.2.2.16.1.3.3.1		not-accessible	A table entry describing an SNMP Trap recipient.
USD usdSnmpTrapHostFilter	1.3.6.1.4.1.4874.2.2.16.1.3.3.1.6	UsdSnmpTrapMask	read-create	Bit mask designating the specific trap types enabled for transmission to this trap destination. For each bit position, a '1' or '0' indicates the corresponding trap type is enabled or disabled, respectively. Note, trap generation is further constrained by the value usdSnmpTrapGlobalFilter.
IP usdSnmpTrapHostIpAddress	1.3.6.1.4.1.4874.2.2.16.1.3.3.1.1	IpAddress	read-only	IP address of an authorized SNMP Trap recipient. This must be a host IP address.
INT usdSnmpTrapHostProtocolVersion	1.3.6.1.4.1.4874.2.2.16.1.3.3.1.5	INTEGER	read-create	The format of the SNMP trap PDU to be sent to this trap destination. v1 Trap-PDU defined in RFC1157, encapsulated in the message structure also defined in RFC1157. v2c SNMPv2-Trap-PDU defined in RFC1905, encapsulated in the message structure defined in RFC1901. v3 SNMPv2-Trap-PDU defined in RFC1905, encapsulated in the message structure defined in RFC2571.
ROW usdSnmpTrapHostRowStatus	1.3.6.1.4.1.4874.2.2.16.1.3.3.1.2	RowStatus	read-create	Controls creation/deletion of entries in this table. Only 'createAndGo' and 'destroy' enumeration values are supported.
C32 usdSnmpTrapHostSends	1.3.6.1.4.1.4874.2.2.16.1.3.3.1.7	Counter32	read-only	The number of traps submitted for transmission to this destination.
USD usdSnmpTrapHostSeverityFilter	1.3.6.1.4.1.4874.2.2.16.1.3.3.1.9	UsdTrapSeverity	read-create	The minimum severity value an snmp trap must have in order to be forwarded to this host.
usdSnmpTrapHostTable	1.3.6.1.4.1.4874.2.2.16.1.3.3		not-accessible	Table of SNMP Trap recipient.
I32 usdSnmpTrapHostUdpPort	1.3.6.1.4.1.4874.2.2.16.1.3.3.1.3	Integer32	read-create	The destination UDP port to which traps will be sent.
T/F usdSnmpTrapProxy	1.3.6.1.4.1.4874.2.2.16.1.3.4	TruthValue	read-write	The configuration setting for snmp trap proxying. Enabling this management object configures the associated SNMP agent to proxy internally generated traps. Note that some implementations may support a single snmp trap proxy per system.
I32 usdSnmpTrapSource	1.3.6.1.4.1.4874.2.2.16.1.3.2	Integer32	read-write	The ifIndex of the interface whose IP address is used as the source IP address for outbound SNMP traps. If zero, no interface is specified, the mechanism for selecting a source IP address is implementation-dependent, and may vary with each trap sent.
USD usdSnmpTrapTrapSeverity	1.3.6.1.4.1.4874.2.2.16.1.3.5	UsdTrapSeverity	accessible-for-notify	The severity level of the trap.

RFC description

Configures SNMP-based management access including SNMPv3 support and trap filtering for Juniper routers.

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