CISCO-MGX8800-IF-MAPPING-MIB

Description: Manages interface-to-slot/port mapping configuration on Cisco MGX 8800 series WAN switching platforms.

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CISCO-MGX8800-IF-MAPPING-MIB provides a mapping between physical hardware location (slot, back-card, physical line, IMA group, MFR bundle) and the corresponding standard ifIndex values used by other MIBs, on Cisco MGX 8800 series WAN switches. It belongs to the legacy carrier WAN switching platform-management area, and rather than reporting operational metrics itself, it exposes a lookup/configuration table (cmimPhysToIfTable) that other monitoring tools rely on to correctly correlate physical hardware identifiers with logical SNMP interface indices. Because ifIndex-to-hardware mapping is foundational, this MIB indirectly supports monitoring of hardware status by ensuring alarms and counters read from ifIndex-based interface MIBs can be traced back to the correct physical slot/bay/line-module location for fault isolation. It depends on and complements the standard IF-MIB (ifIndex) framework used broadly across SNMP-managed devices. It is deployed on Cisco MGX 8800 series switches in carrier/service-provider WAN environments where technicians need to physically locate a faulted interface, and the CISCO-MGX8800-IF-MAPPING-MIB download is available from Cisco's MIB archive for loading into a MIB browser alongside the platform's other MGX MIBs.

A NOC engineer queries cmimPhysToIfTable/cmimPhysToIfEntry using cmimModuleIndex and cmimIfNumber to translate an alarmed ifIndex from a standard interface MIB into its physical slot, back-card, and line location on the MGX 8800 chassis. This mapping lets a field technician go directly to the correct bay and line module to replace a failed card, rather than searching the chassis blindly.

Provides ifIndex mapping for Cisco MGX8800 WAN devices using physical location (slot, backcard, line) and logical information. Supports interface types including IMA groups, MFR bundles, and virtual interfaces.