CISCO-VISM-RSRC-PART-MIB

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Organization: Cisco Systems, Inc.

Last Updated: 2003-12-09

Category: Cisco Devices, Telephony and VoIP

Description: Manages resource partition allocation for bearer channels and connections on Cisco VISM MGX gateway modules.

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What Is CISCO-VISM-RSRC-PART-MIB?

This MIB manages port resource partitioning on Cisco VISM voice modules, exposing configuration for how bearer-channel (Logical Channel Number) resources on a T1/E1 port are subdivided and allocated among partitions, plus ingress/egress bandwidth percentages per partition. It is predominantly a configuration MIB defining how call-processing capacity is divided, rather than a live hardware-fault MIB. Its monitoring role centers on software resource allocation status, as administrators check available logical channel numbers against configured low/high ranges to verify a partition has sufficient channel capacity, which is useful for capacity planning and diagnosing call-blocking issues. It works alongside CISCO-VISM-MODULE-MIB, which provides the overall card-level call statistics context for the module these partitions belong to. It is deployed specifically on Cisco MGX 8000-series WAN switches running VISM voice gateway modules. Engineers can download the CISCO-VISM-RSRC-PART-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in CISCO-VISM-RSRC-PART-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

Cisco MGX 8000-series WAN switches with VISM modules

Monitoring Examples

An administrator investigating call-blocking on a specific T1 port would query vismPortResPartCnfGrpTable / vismPortResPartCnfGrpEntry, checking vismResPartNumOfLcnAvail against the vismResPartLcnLow/vismResPartLcnHigh range for a given vismResPartPortNum and vismResPartCtrlrNum. If available LCNs are consistently near zero, the vismResPartIngrPctBW/vismResPartEgrPctBW bandwidth percentage settings might need adjustment to rebalance capacity across partitions. This complements the card-wide call statistics found in CISCO-VISM-MODULE-MIB.

What Can Be Monitored

available logical channel numbers (LCNs) per partition
configured LCN range per partition
ingress/egress bandwidth percentage allocation
partition row status

Imported Objects

From BASIS-MIB

vismPort

OBJECT-IDENTITY

From CISCOWAN-SMI

ciscoWan

OBJECT-IDENTITY

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Integer32
MODULE-IDENTITY
OBJECT-TYPE

How to Use in IPNetwork Monitor

Example using vismResPartNumOfLcnAvail OID:

Select a Cisco VISM (Voice Interworking Service Module) card, MGX platform (legacy) 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 vismResPartNumOfLcnAvail 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. This represents number of LCNs available for this controller and this port. 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 an Integer32-type OID, Value bounds is the most useful condition here — trigger an alert if the count changes from its expected baseline, since that would indicate the underlying set of items changed unexpectedly. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
ciscoVismRsrcPartCompliance	1.3.6.1.4.1.351.150.93.2.2.1			The compliance statement for objects related to VISM Port Resource Partition configuration.
ciscoVismRsrcPartGroup	1.3.6.1.4.1.351.150.93.2.1.1			The collection of objects which are used to represent VISM Port Resource Partition configuration.
ciscoVismRsrcPartMIB	1.3.6.1.4.1.351.150.93			The MIB module containing Port Resource Partition information for VISM service module.
ciscoVismRsrcPartMIBCompliances	1.3.6.1.4.1.351.150.93.2.2
ciscoVismRsrcPartMIBConformance	1.3.6.1.4.1.351.150.93.2
ciscoVismRsrcPartMIBGroups	1.3.6.1.4.1.351.150.93.2.1
vismPortResPartCnfGrp	1.3.6.1.4.1.351.110.5.5.2.2
vismPortResPartCnfGrpEntry	1.3.6.1.4.1.351.110.5.5.2.2.1.1		not-accessible	An entry for port resource partition.
vismPortResPartCnfGrpTable	1.3.6.1.4.1.351.110.5.5.2.2.1		not-accessible	The vismPortResPartCnfGrpTable contains the configuration of port resource partition. Currently this table contains a single row.
I32 vismResPartCtrlrID	1.3.6.1.4.1.351.110.5.5.2.2.1.1.9	Integer32	read-write	This is the controller identifier of the PNNI (Private Network to Network Interface) controller.
INT vismResPartCtrlrNum	1.3.6.1.4.1.351.110.5.5.2.2.1.1.2	INTEGER	read-only	This is index to vismPortResPartCnfGrpTable.
I32 vismResPartEgrPctBW	1.3.6.1.4.1.351.110.5.5.2.2.1.1.8	Integer32	read-write	The percentage of total egress bandwidth reserved Since we have only one LCN for VoIP, the value is 100.
I32 vismResPartIngrPctBW	1.3.6.1.4.1.351.110.5.5.2.2.1.1.7	Integer32	read-write	The percentage of total ingress bandwidth reserved. Since we have only one LCN for VoIP(Voice Over IP), the value is 100.
I32 vismResPartLcnHigh	1.3.6.1.4.1.351.110.5.5.2.2.1.1.6	Integer32	read-write	This represents high end of reserved LCN. The LCN identifies the local VCI value on the VISM when adding a connection.
I32 vismResPartLcnLow	1.3.6.1.4.1.351.110.5.5.2.2.1.1.5	Integer32	read-write	This represents low end of reserved LCN. The LCN identifies the local VCI(Virtual Channel Identifier) value on the VISM when adding a connection.
I32 vismResPartNumOfLcnAvailEx	1.3.6.1.4.1.351.110.5.5.2.2.1.1.4	Integer32	read-write	This represents number of LCNs available for this controller and this port. The default value for this object is chosen based on the object vismMode (defined in CISCO-VISM-MODULE-MIB MIB) :
I32 vismResPartPortNum	1.3.6.1.4.1.351.110.5.5.2.2.1.1.1	Integer32	read-only	This is the index to vismPortResPartCnfGrpTable. If PXM1(Processor Switch Module) is used on the shelf this object should be set to 1. For PXM1E this object should be set to 255.
INT vismResPartRowStatus	1.3.6.1.4.1.351.110.5.5.2.2.1.1.3	INTEGER	read-write	This will 'add', 'delete' or 'modify' the partition. To delete an entry, this object has to be set to 'del'. The resource partition can be deleted only after deleting all the connections Logical Channel Numbers(LCNs).

RFC description

Manages port resource partitioning and PVC allocation on Cisco VISM voice interworking service modules.

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Download CISCO-VISM-RSRC-PART-MIB