DECHUB900-HRIP-MIB-V3-0

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Category: Routing Protocols, Vendor: DEC/Digital

Description: Manages high-speed routing and IP forwarding modules for DEC HUB 900 series.

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What Is DECHUB900-HRIP-MIB-V3-0?

DECHUB900-HRIP-MIB-V3-0 is a legacy Digital Equipment Corporation (DEC) MIB for the DEChub 900 modular concentrator series, specifically covering the High-speed Routing/IP (HRIP) module used for token-ring/FDDI-style ring-based routing and forwarding within the hub chassis. It exposes configuration objects for ring speed and slot enable/disable state alongside per-ring statistics tables tracked by ring index. Its monitoring role centers on hardware configuration and ring-level operational status rather than software internals: administrators use it to confirm a slot has not been administratively disabled or forced offline (hripSlotCfgDisable/hripSlotCfgForce) and to review per-ring statistics for the HRIP module. It sits under the broader dec/ema (Digital Equipment MIB extension architecture) enterprise tree and depends on that hub-wide chassis/slot model for indexing. It was typically deployed in legacy DEChub 900 chassis-based LAN concentrators in 1990s enterprise network closets. Network engineers evaluating or troubleshooting this functionality can download the DECHUB900-HRIP-MIB-V3-0 file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in DECHUB900-HRIP-MIB-V3-0. 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

DEC DEChub 900 modular LAN concentrator (HRIP routing module)

Monitoring Examples

An administrator would check hripPubSlotCfgTable/hripPubSlotCfgEntry, keyed by hripSlotCfgIndex, to confirm hripSlotCfgDisable and hripSlotCfgForce are not unexpectedly set, which would explain a module appearing offline. hripPubRingCfgTable exposes hripRingCfgSpeed per hripRingCfgIndex so an operator can confirm the ring is configured at the intended speed. hripPubRingStatTable would then be polled for per-ring statistics to detect abnormal ring behavior on that HRIP module.

What Can Be Monitored

ring speed configuration
slot disable/force status
per-ring statistics
slot index configuration

Imported Objects

From RFC-1212

OBJECT-TYPE

From RFC1155-SMI

Gauge
enterprises

OIDs

OID symbolic	OID numeric	Type	Access	Description
dec	1.3.6.1.4.1.36
ema	1.3.6.1.4.1.36.2
decMIBextension	1.3.6.1.4.1.36.2.18
decHub900	1.3.6.1.4.1.36.2.18.11
mgmtAgent	1.3.6.1.4.1.36.2.18.11.1
mgmtAgentVersion1	1.3.6.1.4.1.36.2.18.11.1.1
hrip	1.3.6.1.4.1.36.2.18.11.1.1.2
hripPubRingCfgTable	1.3.6.1.4.1.36.2.18.11.1.1.2.1		not-accessible	Defines a table for ring speeds. The table has 2 rows. Row 1 defines ring speed for ring A and row 2 defines the ring speed for ring B.
hripPubRingCfgEntry	1.3.6.1.4.1.36.2.18.11.1.1.2.1.1		not-accessible	An entry in the hripPubRingCfgTable.
INT hripRingCfgIndex	1.3.6.1.4.1.36.2.18.11.1.1.2.1.1.1	INTEGER	read-only	Identifies the ring being accessed ie the row of the table being referred to.
INT hripRingCfgSpeed	1.3.6.1.4.1.36.2.18.11.1.1.2.1.1.2	INTEGER	read-write	The speed of each of the token rings on the backplane. speed4(1) indicates a speed of 4 Mbits per second while speed16(2) indicates 16 Mbits per second. The value of this object is maintained across power cycles and resets.
hripPubSlotCfgTable	1.3.6.1.4.1.36.2.18.11.1.1.2.2		not-accessible	Defines a table for Slot Configurations. Each row in the table corresponds to a backplane slot (hripSlotIndex).
hripPubSlotCfgEntry	1.3.6.1.4.1.36.2.18.11.1.1.2.2.1		not-accessible	An entry in the hripPubSlotCfgTable.
INT hripSlotCfgIndex	1.3.6.1.4.1.36.2.18.11.1.1.2.2.1.1	INTEGER	read-only	Index into the table of slot configurations.
INT hripSlotCfgDisable	1.3.6.1.4.1.36.2.18.11.1.1.2.2.1.2	INTEGER	read-write	Locks out the corresponding backplane port in that slot. -2 is used for linecards like the MIPPY that have multiple physical token ring backplane ports. The default setting is enable (for ports 1 & 2) The value of this object is maintained across power cycles and resets.
INT hripSlotCfgForce	1.3.6.1.4.1.36.2.18.11.1.1.2.2.1.3	INTEGER	read-write	Describes a slot/ring pairing. -2 is used for linecards like the MIPPY that have multiple physical token ring backplane ports. The value of this object is maintained across power cycles and resets.
hripPubRingStatTable	1.3.6.1.4.1.36.2.18.11.1.1.2.3		not-accessible	A table describing the number of modules on each ring.
hripPubRingStatEntry	1.3.6.1.4.1.36.2.18.11.1.1.2.3.1		not-accessible	An entry describing the number of modules on each ring.
INT hripRingStatIndex	1.3.6.1.4.1.36.2.18.11.1.1.2.3.1.1	INTEGER	read-only	An index into the hripPubRingStatTable.
INT hripRingStatNumModInserted	1.3.6.1.4.1.36.2.18.11.1.1.2.3.1.2	INTEGER	read-only	The number of modules inserted onto the ring.
hripPubSlotStatTable	1.3.6.1.4.1.36.2.18.11.1.1.2.4		not-accessible	The status of modules inserted on each slot of backplane.
hripPubSlotStatEntry	1.3.6.1.4.1.36.2.18.11.1.1.2.4.1		not-accessible	An entry in the hripPubSlotStatTable.
INT hripSlotStatIndex	1.3.6.1.4.1.36.2.18.11.1.1.2.4.1.1	INTEGER	read-only	The index into slot status table.
GAU hripSlotStatRingAInsertCount	1.3.6.1.4.1.36.2.18.11.1.1.2.4.1.2	Gauge	read-only	The number of times that the module has transitioned between inserted/wrapped states on backplane ring A, since the module was last reset/power-cycled.
GAU hripSlotStatRingBInsertCount	1.3.6.1.4.1.36.2.18.11.1.1.2.4.1.3	Gauge	read-only	The number of times that the module has transitioned between inserted/wrapped states on backplane ring B, since the module was last reset/power-cycled.
INT hripSlotStatTcuA	1.3.6.1.4.1.36.2.18.11.1.1.2.4.1.4	INTEGER	read-only	Status of the TCU on ring A. If there is a non Token Ring linecard plugged into the hub, the value reported should be nonTR(3). For a Token Ring line-card the value is inserted or wrapped
INT hripSlotStatTcuB	1.3.6.1.4.1.36.2.18.11.1.1.2.4.1.5	INTEGER	read-only	Status of the TCU on ring B. If there is a non Token Ring linecard plugged into the hub, the value reported should be nonTR(3). For a Token Ring line-card the value is inserted or wrapped

RFC description

Vendor-private MIB for DEC hub 900 series router platform, managing IP routing and interface configuration (version 3.0).

Start monitoring DEC DEChub 900 modular LAN concentrator (HRIP routing module) 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 DECHUB900-HRIP-MIB-V3-0

What Is DECHUB900-HRIP-MIB-V3-0?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description