CISCO-C12000-IF-HC-COUNTERS-MIB

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Organization: Cisco Systems, Inc.

Last Updated: 1998-05-27

Category: Cisco Devices, Network Interfaces

Description: Provides 64-bit high-capacity interface traffic counters for Cisco GSR 12000 series routers.

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What Is CISCO-C12000-IF-HC-COUNTERS-MIB?

CISCO-C12000-IF-HC-COUNTERS-MIB is a Cisco-proprietary module written specifically for the GSR 12000 series routers (the C12000 platform) running the 11.2GS IOS release, and it exists solely to represent 64-bit high-capacity interface counters. Its data is exclusively performance and traffic counters: inbound and outbound octet counts and unicast packet counts split into upper and lower 32-bit halves per interface. This module is used purely for interface traffic and throughput monitoring rather than general hardware or software status, letting administrators track bandwidth utilization and detect traffic anomalies or counter wraps on high-speed router interfaces. It is explicitly an extension of the standard IF-MIB, workaround-style, providing 64-bit equivalents where the router's SNMP agent could not natively support IF-MIB HC counters at the time. It was deployed narrowly on legacy Cisco 12000-series routers running the specific 11.2GS IOS train and was never carried forward to later IOS versions. Network engineers evaluating or troubleshooting this functionality can download the CISCO-C12000-IF-HC-COUNTERS-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in CISCO-C12000-IF-HC-COUNTERS-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 GSR 12000 series router

Monitoring Examples

An administrator polls cHCCounterTable/cHCCounterEntry, keyed by interface, reading cHCCounterIfInOctetsUpper together with cHCCounterIfInOctetsLower to reconstruct a full 64-bit inbound octet count, and similarly cHCCounterIfOutOctetsUpper/Lower for outbound traffic. Comparing cHCCounterIfInUcastPktsUpper/Lower against octet counts over time reveals throughput trends or abrupt counter resets indicating an interface flap or a router reload. Because standard 32-bit IF-MIB counters wrap quickly on high-speed GSR interfaces, this table lets operators avoid undercounting traffic on saturated links.

What Can Be Monitored

inbound octet counts (64-bit)
outbound octet counts (64-bit)
inbound unicast packet counts
outbound unicast packet counts
per-interface high-capacity traffic counters

Imported Objects

From CISCO-SMI

ciscoExperiment

OBJECT-IDENTITY

From IF-MIB

ifIndex

OBJECT-TYPE

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter32
MODULE-IDENTITY
OBJECT-TYPE

OIDs

OID symbolic	OID numeric	Type	Access	Description
ciscoC12000IfHcCountersMIB	1.3.6.1.4.1.9.10.31			A MIB module to describe and store IF-MIB High Capacity (ie 64 bit) Counters as two 32 bit objects. This mib will ONLY be supported in the 11.2GS version of IOS and will NOT be ported to any later versions.
cHCCounterMIBObjects	1.3.6.1.4.1.9.10.31.1
cHCCounterTable	1.3.6.1.4.1.9.10.31.1.1		not-accessible	A table containing the High Capacity Counter information in the IF-MIB in two 32 bit fields.
cHCCounterEntry	1.3.6.1.4.1.9.10.31.1.1.1		not-accessible	High Capacity Counter information for each interface in the IF-MIB.
C32 cHCCounterIfInOctetsUpper	1.3.6.1.4.1.9.10.31.1.1.1.1	Counter32	read-only	The upper 32 bits of ifHCInOctets as described in the IF-MIB.
C32 cHCCounterIfInOctetsLower	1.3.6.1.4.1.9.10.31.1.1.1.2	Counter32	read-only	The lower 32 bits of ifHCInOctets as described in the IF-MIB.
C32 cHCCounterIfInUcastPktsUpper	1.3.6.1.4.1.9.10.31.1.1.1.3	Counter32	read-only	The upper 32 bits of ifHCInUcastPkts as described in the IF-MIB.
C32 cHCCounterIfInUcastPktsLower	1.3.6.1.4.1.9.10.31.1.1.1.4	Counter32	read-only	The lower 32 bits of ifHCInUcastPkts as described in the IF-MIB.
C32 cHCCounterIfOutOctetsUpper	1.3.6.1.4.1.9.10.31.1.1.1.5	Counter32	read-only	The upper 32 bits of ifHCOutOctets as described in the IF-MIB.
C32 cHCCounterIfOutOctetsLower	1.3.6.1.4.1.9.10.31.1.1.1.6	Counter32	read-only	The lower 32 bits of ifHCOutOctets as described in the IF-MIB.
C32 cHCCounterIfOutUcastPktsUpper	1.3.6.1.4.1.9.10.31.1.1.1.7	Counter32	read-only	The upper 32 bits of ifHCOutUcastPkts as described in the IF-MIB.
C32 cHCCounterIfOutUcastPktsLower	1.3.6.1.4.1.9.10.31.1.1.1.8	Counter32	read-only	The lower 32 bits of ifHCOutUcastPkts as described in the IF-MIB.
ciscoHCCountersMIBNotifications	1.3.6.1.4.1.9.10.31.2
ciscoHCCountersMIBConformance	1.3.6.1.4.1.9.10.31.3
ciscoHCCountersMIBCompliances	1.3.6.1.4.1.9.10.31.3.1
ciscoHCCountersMIBCompliance	1.3.6.1.4.1.9.10.31.3.1.1			The compliance statement for entities which implement the Cisco HC Counter MIB. This mib will ONLY be supported in the 11.2GS version of IOS and will NOT be ported to any later versions.
ciscoHCCountersMIBGroups	1.3.6.1.4.1.9.10.31.3.2
ciscoHCCountersMIBGroup	1.3.6.1.4.1.9.10.31.3.2.1			A collection of objects providing the HC Counter capability. These objects will ONLY be supported in the 11.2GS version of IOS and will NOT be ported to any later versions.

RFC description

High-capacity 64-bit interface counters MIB for Cisco GSR allowing retrieval as two 32-bit objects in SNMPv1.

Start monitoring Cisco GSR 12000 series router (legacy) 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 CISCO-C12000-IF-HC-COUNTERS-MIB

What Is CISCO-C12000-IF-HC-COUNTERS-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description