All MIBs › COM21-HCX-MIB
Category: DOCSIS and Cable
Description:
Manages COM21 HCX cable modem system configuration and operational status objects.
Imported Objects
From SNMPv2-SMI
| MODULE-IDENTITY | |
| enterprises |
What Is COM21-HCX-MIB?
COM21-HCX-MIB is a vendor-specific MIB from COM21, an early cable-modem and cable-access equipment manufacturer, covering configuration and operational status for the HCX cable modem system. Its general category of data, per the module's purpose, spans device configuration parameters and operational status indicators relevant to the cable modem's network-facing service. Because no module description or sample objects were captured, specific hardware/software status fields (such as uptime, signal levels, or software version) cannot be confirmed here, though such objects are typical for this class of cable-access MIB. Legacy tooling that still references the COM21-HCX-MIB OID branch can use it to locate where HCX-specific objects were historically registered within COM21's private enterprise tree. It likely complements standard DOCSIS-era MIBs (such as DOCS-IF-MIB or RFC2669) for RF-layer statistics, focusing instead on COM21-proprietary system management. It would have been deployed in early broadband cable networks where COM21 HCX modems provided subscriber access before DOCSIS standardization consolidated the market.
IPNetwork Monitor allows you to monitor SNMP objects defined in COM21-HCX-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
- COM21 HCX cable modems
- COM21 cable modem head-end/system equipment
Monitoring Examples
No sample object names or module description text were available for COM21-HCX-MIB, so specific tables or scalars cannot be cited without inventing them. Based on the short description, an operator would likely have used this MIB to check HCX cable modem configuration and operational status, but the concrete object identifiers needed to describe a realistic polling scenario are not present in the provided data.
OIDs
| OID symbolic | OID numeric | Type | Access | Description |
|---|---|---|---|---|
| com21 | 1.3.6.1.4.1.1141 | |||
| com21Hcx | 1.3.6.1.4.1.1141.2 | |||
| com21Stu | 1.3.6.1.4.1.1141.3 | |||
| com21Traps | 1.3.6.1.4.1.1141.4 | |||
| com21Nmaps | 1.3.6.1.4.1.1141.5 | |||
| com21Reg | 1.3.6.1.4.1.1141.6 |
FAQ
What kind of information does COM21-HCX-MIB provide for a COM21 HCX cable modem deployment?
It covers configuration parameters and operational status indicators relevant to the HCX cable modem's network-facing service, complementing standard DOCSIS-era MIBs that handle RF-layer statistics.
Why might legacy tooling still reference COM21-HCX-MIB even though its specific object list isn't well documented?
Because it's where COM21-proprietary system management objects were registered within COM21's private enterprise OID tree, from an era before DOCSIS standardization consolidated cable-modem management -- so older management tools use it to locate HCX-specific configuration and status objects.
RFC description
Vendor-private MIB for COM21 HCX (Harmonic Cable eXtension) devices, managing cable modem hardware and status.
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