C-PRODUCT-MCPU-MIB

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Category: Hardware Inventory

Description: Monitors and manages the main CPU module parameters on C-PRODUCT chassis systems.

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What Is C-PRODUCT-MCPU-MIB?

C-PRODUCT-MCPU-MIB is a proprietary MIB for the Main CPU (MCPU) module of a chassis-based "C-PRODUCT" access/multiplexer system, whose object naming (virtual circuits, cell rate shaping) suggests an ATM-oriented WAN access platform. It exposes virtual circuit (VC) configuration — IP address and subnet mask per VC — and traffic shaper configuration specifying sustainable and peak cell rates in both bits-per-second and cells-per-second. Its monitoring value is mainly around configuration and traffic-engineering status for the main CPU module: verifying virtual circuits are correctly addressed and that shaper rate settings match intended service levels, which is important for diagnosing throughput problems rather than physical hardware faults. It likely follows conventions similar to standard ATM-MIB for VC/cell-rate semantics given the shaper and cell-rate terminology. It is deployed on chassis-based WAN/ATM access multiplexer or router systems that use a main CPU module to manage virtual circuits and traffic shaping. Engineers can download the C-PRODUCT-MCPU-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in C-PRODUCT-MCPU-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

C-PRODUCT chassis WAN/ATM access multiplexer (main CPU module)

Monitoring Examples

An administrator would poll shaperTable/shaperEntry to compare shaperSustainableCellRateInbps and shaperPeakCellRateInbps against observed traffic on a virtual circuit, revealing whether a VC is being throttled below its expected peak throughput. Checking mcpuNewVcIpAddress and mcpuNewVcSubnetMask in mcpuNewVcTable before activation confirms a newly provisioned virtual circuit has correct addressing, preventing a misconfigured VC from being brought into service.

What Can Be Monitored

virtual circuit IP address/subnet configuration
sustainable cell rate (traffic shaping)
peak cell rate (traffic shaping)
per-VC shaper configuration

Imported Objects

From C-PRODUCT-BASE-MIB

cardSlot	OBJECT-TYPE
vcpSideId	OBJECT-TYPE

From C-PRODUCT-GROUP-MIB

mcpu	OBJECT-IDENTITY

From RFC-1212

OBJECT-TYPE

From RFC1155-SMI

IpAddress

OIDs

OID symbolic	OID numeric	Type	Access	Description
mcpuVc	1.3.6.1.4.1.43.1.12.3.1.1.18.1
mcpuNewVc	1.3.6.1.4.1.43.1.12.3.1.1.18.2
mcpuNewVcTable	1.3.6.1.4.1.43.1.12.3.1.1.18.2.1		not-accessible	The mcpu VC information table.
mcpuNewVcEntry	1.3.6.1.4.1.43.1.12.3.1.1.18.2.1.1		not-accessible	Information about a MCPU VC. The slot number (vcPortSlot) of the MCPU card should be 1. The port number (vcPortPort) should be 1.
INT mcpuNewVcShaper	1.3.6.1.4.1.43.1.12.3.1.1.18.2.1.1.1	INTEGER	read-write	Data rate supported by the MCPU VC.
IP mcpuNewVcIpAddress	1.3.6.1.4.1.43.1.12.3.1.1.18.2.1.1.2	IpAddress	read-write	Management VC IP address.
IP mcpuNewVcSubnetMask	1.3.6.1.4.1.43.1.12.3.1.1.18.2.1.1.3	IpAddress	read-write	Management VC IP subnet mask.
shaper	1.3.6.1.4.1.43.1.12.3.1.1.18.3
shaperTable	1.3.6.1.4.1.43.1.12.3.1.1.18.3.1		not-accessible	The shaper Table contains up to 15 shapers rate. This table uses cardSlot and Shaper number as an index which is uniquely assoicate to entry of each shaper.
shaperEntry	1.3.6.1.4.1.43.1.12.3.1.1.18.3.1.1		not-accessible	Each entry in the table contains the information of a shaper.
INT shaperNumber	1.3.6.1.4.1.43.1.12.3.1.1.18.3.1.1.1	INTEGER	not-accessible	Shaper Number of a frame based card
INT shaperSustainableCellRateInbps	1.3.6.1.4.1.43.1.12.3.1.1.18.3.1.1.2	INTEGER	read-write	Sustainable Cell Rate (SCR), in bits per second, is an upper bound on the conforming average rate of an ATM connection over time scales.
INT shaperSustainableCellRateIncps	1.3.6.1.4.1.43.1.12.3.1.1.18.3.1.1.3	INTEGER	read-only	Sustainable Cell Rate (SCR), in cells per second, is an upper bound on the conforming average rate of an ATM connection over time scales. The value is calculated based on the input from SCR in bps.
INT shaperPeakCellRateInbps	1.3.6.1.4.1.43.1.12.3.1.1.18.3.1.1.4	INTEGER	read-write	Peak Cell Rate (PCR), in bits per second, is the rate at which ATM source end system can send to a referenced physical service access point that is equal to the inverse of the minimum cell interarrival time. The value of Peak Rate Cell Rate (PCR) cannot be lower than Sustainable Cell Rate (SCR).
INT shaperPeakCellRateIncps	1.3.6.1.4.1.43.1.12.3.1.1.18.3.1.1.5	INTEGER	read-only	Peak Cell Rate (PCR), in cells per second, is the rate at which ATM source end system can send to a referenced physical service access point that is equal to the inverse of the minimum cell interarrival time. The value of Peak Rate Cell Rate (PCR) is calculated based on the input from PCR in bps.
INT shaperMaximumBurstSizeInBits	1.3.6.1.4.1.43.1.12.3.1.1.18.3.1.1.6	INTEGER	read-only	Maximum Burst Size in bits. This value is read only and is calculated again when MBS (in cells) is changed
INT shaperMaximumBurstSizeInCells	1.3.6.1.4.1.43.1.12.3.1.1.18.3.1.1.7	INTEGER	read-write	Maximum Burst Size in cells. Minimum value is 1 cell and maximum value is 255 cells.

RFC description

MCPU card virtual circuit and shaper management for ATM packet switching platforms.

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Download C-PRODUCT-MCPU-MIB

What Is C-PRODUCT-MCPU-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description