HP-OV-TOPO-DB

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Description: HP-OV-TOPO-DB module

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What Is HP-OV-TOPO-DB?

HP-OV-TOPO-DB is an HP OpenView proprietary SNMP module exposed by the HP OpenView Network Node Manager (NNM) topology database station, describing the state of the network-discovery/topology component itself rather than a piece of network hardware. It exposes information about the OpenView station's discovery station type and software version, a description string, the count of managed nodes, license node-limit and expiration data, the topology database creation time, an event sequence number, local time, and filter/name identifiers. In monitoring terms this is entirely software-status data about the network-management platform: hpOVDStnManagedNodeCount reveals how many devices the topology database currently tracks, hpOVDStnLicenseNodeLimit and hpOVDStnLicenseExpDate flag an approaching license ceiling or expiration, and hpOVDStnEventSeqNr/hpOVDStnTopoDBCreateTime help detect a stale or recently rebuilt topology database. It has no apparent dependency on other standard MIBs, being specific to the HP OpenView (nm/openView enterprise) product family. It is deployed wherever HP OpenView NNM is used as the network management system, with the MIB queried by other tools or scripts wanting programmatic insight into NNM's own topology/discovery health. Engineers can download the HP-OV-TOPO-DB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in HP-OV-TOPO-DB. 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

HP OpenView Network Node Manager (NNM) management stations

Monitoring Examples

An operator would check hpOVDStnManagedNodeCount against hpOVDStnLicenseNodeLimit to see how close the OpenView installation is to its licensed device ceiling, and check hpOVDStnLicenseExpDate to catch an approaching license expiration before it disrupts discovery. hpOVDStnTopoDBCreateTime and hpOVDStnEventSeqNr would be compared over time to confirm the topology database is being actively updated rather than stalled, and hpOVDStnDescr/hpOVDStnVersion identify which NNM build is running, useful when correlating behavior with a known software version's bugs.

What Can Be Monitored

managed node count
license node limit
license expiration date
topology database creation time
event sequence number
OpenView station software version

Imported Objects

From RFC-1212

OBJECT-TYPE

From RFC-1213

DisplayString
PhysAddress

From RFC1155-SMI

Counter
Gauge
IpAddress
enterprises

From SNMPv2-TC

TEXTUAL-CONVENTION

OIDs

OID symbolic	OID numeric	Type	Access	Description
hp	1.3.6.1.4.1.11
nm	1.3.6.1.4.1.11.2
openView	1.3.6.1.4.1.11.2.17
hpOVDistribStation	1.3.6.1.4.1.11.2.17.4
hpOVTopoDB	1.3.6.1.4.1.11.2.17.4.1
hpOVGlobal	1.3.6.1.4.1.11.2.17.4.1.1
OVS hpOVDStnType	1.3.6.1.4.1.11.2.17.4.1.1.1	OVStnType	read-only	Revision description identifier for the distribution software. This object can be used to test whether an agent is a collection station.
INT hpOVDStnVersion	1.3.6.1.4.1.11.2.17.4.1.1.2	INTEGER	read-only	The version of the collection station implementation type. Version 3: NNM 4.1 Version 4: NNM 4.2
STR hpOVDStnDescr	1.3.6.1.4.1.11.2.17.4.1.1.3	DisplayString	read-only	A descriptive string for the collection station, possibly containing type, version, and patch information.
GAU hpOVDStnManagedNodeCount	1.3.6.1.4.1.11.2.17.4.1.1.4	Gauge	read-only	The number of nodes currently managed locally by the collection station.
INT hpOVDStnLicenseNodeLimit	1.3.6.1.4.1.11.2.17.4.1.1.5	INTEGER	read-only	The maximum number of managed nodes permitted by the license. A value of -1 indicates no limit.
OVT hpOVDStnLicenseExpDate	1.3.6.1.4.1.11.2.17.4.1.1.6	OVTime	read-only	The time at which the license expires. A value of 0 indicates that there is no expiration date.
OVT hpOVDStnTopoDBCreateTime	1.3.6.1.4.1.11.2.17.4.1.1.7	OVTime	read-only	The time at which the topology database was created.
INT hpOVDStnEventSeqNr	1.3.6.1.4.1.11.2.17.4.1.1.8	INTEGER	read-only	The sequence number of the last event sent related to topology changes.
OVT hpOVDStnLocalTime	1.3.6.1.4.1.11.2.17.4.1.1.9	OVTime	read-only	This is a reference time for the collection station and can be used to resolve any differences in time between management and collection stations.
STR hpOVDStnFilterName	1.3.6.1.4.1.11.2.17.4.1.1.10	DisplayString	read-only	The filter name to use when determining which objects in the local topology to expose in the MIB.
STR hpOVDStnName	1.3.6.1.4.1.11.2.17.4.1.1.11	DisplayString	read-only	The name used by the collection station when referring to itself. This name will be sent as part of the field change event (see hpOVEvtStnName).
hpOVNetworks	1.3.6.1.4.1.11.2.17.4.1.2
GAU netCount	1.3.6.1.4.1.11.2.17.4.1.2.1	Gauge	read-only	Number of networks in netByIDTable.
netByIDTable	1.3.6.1.4.1.11.2.17.4.1.2.2		not-accessible	List of networks by OpenView object identifier.
netByIDEntry	1.3.6.1.4.1.11.2.17.4.1.2.2.1		not-accessible	Each entry contains relevant data for a network.
OVI netID	1.3.6.1.4.1.11.2.17.4.1.2.2.1.1	OVID	read-only	OpenView object identifier of the network.
OVU netTopoID	1.3.6.1.4.1.11.2.17.4.1.2.2.1.2	OVUUID	read-only	OpenView UUID of the network.
STR netName	1.3.6.1.4.1.11.2.17.4.1.2.2.1.3	DisplayString	read-only	Name of the network, which will usually be the IP address of the network or the corresponding entry in /etc/networks.)
OVS netStatus	1.3.6.1.4.1.11.2.17.4.1.2.2.1.4	OVStatus	read-only	Status of the network as defined by the status propogation rules of the topology database.
IP netAddr	1.3.6.1.4.1.11.2.17.4.1.2.2.1.5	IpAddress	read-only	Network's IP address.
IP netMask	1.3.6.1.4.1.11.2.17.4.1.2.2.1.6	IpAddress	read-only	Network's subnet mask.
GAU netIfCount	1.3.6.1.4.1.11.2.17.4.1.2.2.1.7	Gauge	read-only	Number of interfaces in the network.
GAU netSegCount	1.3.6.1.4.1.11.2.17.4.1.2.2.1.8	Gauge	read-only	Number of segments contained in the network.
ADR netIpxAddr	1.3.6.1.4.1.11.2.17.4.1.2.2.1.9	IpxHostAddress	read-only	Network's IPX address.
GAU netIpxHopCount	1.3.6.1.4.1.11.2.17.4.1.2.2.1.10	Gauge	read-only	Number of hops to this network from this station.
hpOVSegments	1.3.6.1.4.1.11.2.17.4.1.3
GAU segCount	1.3.6.1.4.1.11.2.17.4.1.3.1	Gauge	read-only	Number of segments in segByIDTable.
segByIDTable	1.3.6.1.4.1.11.2.17.4.1.3.2		not-accessible	List of segments by OpenView object identifier.
segByIDEntry	1.3.6.1.4.1.11.2.17.4.1.3.2.1		not-accessible	Each entry contains relevant data for a segment.
OVI segID	1.3.6.1.4.1.11.2.17.4.1.3.2.1.1	OVID	read-only	OpenView object identifier of the segment.
OVU segTopoID	1.3.6.1.4.1.11.2.17.4.1.3.2.1.2	OVUUID	read-only	OpenView UUID of the segment.
STR segName	1.3.6.1.4.1.11.2.17.4.1.3.2.1.3	DisplayString	read-only	Name of the segment.
OVS segStatus	1.3.6.1.4.1.11.2.17.4.1.3.2.1.4	OVStatus	read-only	Status of the segment as defined by the status propogation rules of the topology database.
OVI segNetID	1.3.6.1.4.1.11.2.17.4.1.3.2.1.5	OVID	read-only	OpenView object identifier for the network containing the segment.
GAU segIfCount	1.3.6.1.4.1.11.2.17.4.1.3.2.1.6	Gauge	read-only	Number of interfaces in the segment.
OVI segConnIfID	1.3.6.1.4.1.11.2.17.4.1.3.2.1.7	OVID	read-only	If this is a segment containing 'smart connectors', this is the OpenView object identifier of the interface on the 'main device' for the segment (e.g., the hub at the center of a star segment), otherwise the value is 0.
OVS segType	1.3.6.1.4.1.11.2.17.4.1.3.2.1.8	OVSegType	read-only	The OpenView segment type.
hpOVNodes	1.3.6.1.4.1.11.2.17.4.1.4
GAU nodeCount	1.3.6.1.4.1.11.2.17.4.1.4.1	Gauge	read-only	Number of nodes in nodeByIDTable.
nodeByIDTable	1.3.6.1.4.1.11.2.17.4.1.4.2		not-accessible	List of node by OpenView object identifier.
nodeByIDEntry	1.3.6.1.4.1.11.2.17.4.1.4.2.1		not-accessible	Each entry contains relevant data for a node.
OVI nodeID	1.3.6.1.4.1.11.2.17.4.1.4.2.1.1	OVID	read-only	OpenView object identifier of the node.
OVU nodeTopoID	1.3.6.1.4.1.11.2.17.4.1.4.2.1.2	OVUUID	read-only	OpenView UUID of the node.
STR nodeName	1.3.6.1.4.1.11.2.17.4.1.4.2.1.3	DisplayString	read-only	IP hostname of the node including the fully qualified doman (if used and available). It is derived by performing a name lookup (gethostbyaddr) for the IP address of the first interface of the node. If no name exists for any of the interfaces of a node, the name will be the IP address string.
OVS nodeStatus	1.3.6.1.4.1.11.2.17.4.1.4.2.1.4	OVStatus	read-only	Status of the node as defined by the status propogation rules of the topology database.
INT nodeConnType	1.3.6.1.4.1.11.2.17.4.1.4.2.1.5	INTEGER	read-only	Node connector type. This is a bit mask, thereby allowing multiple values, i.e, a node can be a router and a bridge. The genericConnector bit should always be set if one of the more significant bits is set. If the node is not a connector at all, this object will be 0
IP nodeSnmpAddr	1.3.6.1.4.1.11.2.17.4.1.4.2.1.6	IpAddress	read-only	IP address used for SNMP request to the node.
STR nodeDescr	1.3.6.1.4.1.11.2.17.4.1.4.2.1.7	DisplayString	read-only	Value obtained from the node via SNMP from the sysDescr object.
STR nodeLocation	1.3.6.1.4.1.11.2.17.4.1.4.2.1.8	DisplayString	read-only	Value obtained from the node via SNMP from the sysLocation object.
STR nodeContact	1.3.6.1.4.1.11.2.17.4.1.4.2.1.9	DisplayString	read-only	Value obtained from the node via SNMP from the sysContact object.
GAU nodeIfCount	1.3.6.1.4.1.11.2.17.4.1.4.2.1.10	Gauge	read-only	Number of interfaces of the node.
OID nodeSysObjectID	1.3.6.1.4.1.11.2.17.4.1.4.2.1.11	OBJECT IDENTIFIER	read-only	Value obtained from the node via SNMP from the sysObjectID object. If there is no sysObjectID for the node, 0.0 will be reported.
INT nodeIpForwarding	1.3.6.1.4.1.11.2.17.4.1.4.2.1.12	INTEGER	read-only	Value obtained from the node via SNMP from the ipForwarding object.
INT nodeSnmpSupportLevel	1.3.6.1.4.1.11.2.17.4.1.4.2.1.13	INTEGER	read-only	The extent to which this node supports SNMP.
INT nodeIsClusterMember	1.3.6.1.4.1.11.2.17.4.1.4.2.1.14	INTEGER	read-only	Indicates if this nodes is part of a cluster.
INT nodeIsFileServer	1.3.6.1.4.1.11.2.17.4.1.4.2.1.15	INTEGER	read-only	Indicates if this nodes is a file server.
INT nodeIsPrintServer	1.3.6.1.4.1.11.2.17.4.1.4.2.1.16	INTEGER	read-only	Indicates if this nodes is a print server.
STR nodeSysName	1.3.6.1.4.1.11.2.17.4.1.4.2.1.17	DisplayString	read-only	Value obtained from the node via SNMP from the sysName object.
INT nodeIsIpxRouter	1.3.6.1.4.1.11.2.17.4.1.4.2.1.18	INTEGER	read-only	Indicates if this nodes is an IPX router (but not a server).
INT nodeIsNetWareServer	1.3.6.1.4.1.11.2.17.4.1.4.2.1.19	INTEGER	read-only	Indicates if this nodes is an IPX/NetWare server.
STR nodeIpxServerName	1.3.6.1.4.1.11.2.17.4.1.4.2.1.20	DisplayString	read-only	Value obtained from the node via IPX for server nodes.
ADR nodeSnmpIpxAddr	1.3.6.1.4.1.11.2.17.4.1.4.2.1.21	IpxHostAddress	read-only	Node's IPX address.
nodeIfsTable	1.3.6.1.4.1.11.2.17.4.1.4.3		not-accessible	List of interfaces for a node.
nodeIfsEntry	1.3.6.1.4.1.11.2.17.4.1.4.3.1		not-accessible	The number of entries for each node is given in nodeIfCount. Each entry contains only the minimum information needed to recognize and/or indentify the interfaces for a node. For complete information, use the ifID to lookup the entry in ifaceByIDTable.
OVI nodeNodeID	1.3.6.1.4.1.11.2.17.4.1.4.3.1.1	OVID	read-only	OpenView object identifier of the node.
OVI nodeIfID	1.3.6.1.4.1.11.2.17.4.1.4.3.1.2	OVID	read-only	OpenView object identifier of this interface of the node.
IP nodeIfAddr	1.3.6.1.4.1.11.2.17.4.1.4.3.1.3	IpAddress	read-only	IP Address of this interface of the node (if any). It is provided in the nodeIfsTable to aid in identifying the interfaces associated with a node.
hpOVInterfaces	1.3.6.1.4.1.11.2.17.4.1.5
GAU ifCount	1.3.6.1.4.1.11.2.17.4.1.5.1	Gauge	read-only	Number of interfacess in ifByIDTable.
ifByIDTable	1.3.6.1.4.1.11.2.17.4.1.5.2		not-accessible	List of interfaces by OpenView object identifier.
ifByIDEntry	1.3.6.1.4.1.11.2.17.4.1.5.2.1		not-accessible	Each entry contains relevant data for an interface.
OVI ifID	1.3.6.1.4.1.11.2.17.4.1.5.2.1.1	OVID	read-only	OpenView object identifier of the interface.
OVU ifTopoID	1.3.6.1.4.1.11.2.17.4.1.5.2.1.2	OVUUID	read-only	OpenView UUID of the interface.
STR ifName	1.3.6.1.4.1.11.2.17.4.1.5.2.1.3	DisplayString	read-only	The name of the interface, which is a shortened version of the Value obtained via SNMP from the ifDescr object for this interface.
OVS ifStatus	1.3.6.1.4.1.11.2.17.4.1.5.2.1.4	OVStatus	read-only	Status for the interface in the topology database: either critical or normal.
IP ifAddr	1.3.6.1.4.1.11.2.17.4.1.5.2.1.5	IpAddress	read-only	IP address of the interface.
IP ifMask	1.3.6.1.4.1.11.2.17.4.1.5.2.1.6	IpAddress	read-only	Subnet mask of the interface.
INT ifNumber	1.3.6.1.4.1.11.2.17.4.1.5.2.1.7	INTEGER	read-only	Value obtained via SNMP from the ifIndex object for this interface.
INT ifType	1.3.6.1.4.1.11.2.17.4.1.5.2.1.8	INTEGER	read-only	Value obtained via SNMP from the ifType object in ifTable for this interface.
STR ifDescr	1.3.6.1.4.1.11.2.17.4.1.5.2.1.9	DisplayString	read-only	Value obtained via SNMP from the ifDescr object in ifTable for this interface.
PHY ifPhysAddr	1.3.6.1.4.1.11.2.17.4.1.5.2.1.10	PhysAddress	read-only	If the node to which this interface is connected responds to SNMP, this is the value obtained via SNMP from the ifPhysAddr object for this interface, otherwise, this value was obtained from some other node which knows about this interface. The ifLinkAddressFrom object below indicates the IP address from which ifPhysAddr was obtained.
OVI ifSegID	1.3.6.1.4.1.11.2.17.4.1.5.2.1.11	OVID	read-only	OpenView object identifier for the segment containing the interface.
OVS ifSegType	1.3.6.1.4.1.11.2.17.4.1.5.2.1.12	OVSegType	read-only	The segment type in which this interface should be contained.
OVI ifNetID	1.3.6.1.4.1.11.2.17.4.1.5.2.1.13	OVID	read-only	OpenView object identifier for the network containing the interface in the topology database.
OVI ifNodeID	1.3.6.1.4.1.11.2.17.4.1.5.2.1.14	OVID	read-only	OpenView object identifier for the node containing the interface in the topology database.
INT ifSegConnIf	1.3.6.1.4.1.11.2.17.4.1.5.2.1.15	INTEGER	read-only	Indicates if this interface is the one to connect the 'main device' (e.g., the hub at the center of a star segment) to the segment.
INT ifPortClass	1.3.6.1.4.1.11.2.17.4.1.5.2.1.16	INTEGER	read-only	For devices for which OpenView can do 'smart' network (i.e, bridges and hubs) submap layout, this indicates which port this interface corresponds to on the device, according to following: Value Meaning ------- ------------------------------------- = 255 Corresponds to a port group where the port group number is obtained by subracting 255 (the value '257' means 'port group 2'). This type of value is typical for hubs. Note: The port number OpenView uses will not necessarily match the vendor port number, but will start at 1 for the first non-port-group port. For example, if a hub has 12 EtherTwist ports, identified by the vendor as ports 1-12 and belonging to the same port group, and also an AUI port identified by the vendor as port 13, the AUI port will be port 1 for purposes of OpenView. For non-smart network connector devices, this value should be 0 and can be ignored.
INT ifCanMigrate	1.3.6.1.4.1.11.2.17.4.1.5.2.1.17	INTEGER	read-only	Indicates if this interface can migrate from one node in a cluster to another.
ADR ifIpxAddr	1.3.6.1.4.1.11.2.17.4.1.5.2.1.18	IpxHostAddress	read-only	IPX address of the interface.
OVU ifCritIfUuid	1.3.6.1.4.1.11.2.17.4.1.5.2.1.19	OVUUID	read-only	OpenView topology UUID of a related interface whose (primary) failure has caused a (secondary) failure on this interface. That is, this interface is now inaccessible from the management stations netmon process. This field is used for Event Correlation.
hpOVEventObjs	1.3.6.1.4.1.11.2.17.4.2
STR hpOVEvtStnName	1.3.6.1.4.1.11.2.17.4.2.1	DisplayString	not-accessible	The name of the collection station issuing the event.
INT hpOVEvtSeqNr	1.3.6.1.4.1.11.2.17.4.2.2	INTEGER	not-accessible	The sequence number of the event.
INT hpOVEvtOpType	1.3.6.1.4.1.11.2.17.4.2.3	INTEGER	not-accessible	The operation type of the OBJ_FLD_CHG_EV (OBJect FieLD CHanGe EVent).
OVI hpOVEvtOVID	1.3.6.1.4.1.11.2.17.4.2.4	OVID	not-accessible	The OpenView object identifier of the object whose field changed.
OVU hpOVEvtOVTopoID	1.3.6.1.4.1.11.2.17.4.2.5	OVUUID	not-accessible	The OpenView UUID of the object whose field changed.
INT hpOVEvtObjType	1.3.6.1.4.1.11.2.17.4.2.6	INTEGER	not-accessible	The object type of the object whose field changed.
OVT hpOVEvtTime	1.3.6.1.4.1.11.2.17.4.2.7	OVTime	not-accessible	The time the field change occured.
hpOVMgrs	1.3.6.1.4.1.11.2.17.4.3
mgmtStnTable	1.3.6.1.4.1.11.2.17.4.3.1		not-accessible	List of active management stations by IP address.
mgmtStnEntry	1.3.6.1.4.1.11.2.17.4.3.1.1		not-accessible	Each entry contains all data available for a management station.
IP mgmtStnAddr	1.3.6.1.4.1.11.2.17.4.3.1.1.1	IpAddress	read-write	Primary IP Address of the management station.
STR mgmtStnName	1.3.6.1.4.1.11.2.17.4.3.1.1.2	DisplayString	read-write	IP Hostname of the management station.
INT mgmtStnAccess	1.3.6.1.4.1.11.2.17.4.3.1.1.3	INTEGER	read-write	Access level of the management station. The management will attempt to set this object to the desired level, but the collection station software will reset to the access permission allowed by the SNMPv2 party configuration.
INT mgmtStnStatus	1.3.6.1.4.1.11.2.17.4.3.1.1.4	INTEGER	read-write	Status of the management station as viewed by the collection station. The management station must set this object to active(1) when it is creates an entry for itself. The management station sets this object to delete(2) when it wants to delete itself from the table. The value delete(2) should never actually be reported.

RFC description

HP OpenView topology database MIB for network topology discovery and management integration.

Start monitoring HP OpenView Network Node Manager (NNM) management station 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 HP-OV-TOPO-DB

What Is HP-OV-TOPO-DB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description