CTRON-ROUTERS-MIB

MIB Reference — IPNetwork Monitor · Updated September 09, 2026

All MIBsCTRON-ROUTERS-MIB

Category: Routing Protocols, Vendor: Cabletron/Enterasys

Description: Manages Cabletron router product configuration including interfaces, routing protocols, and system parameters.

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What Is CTRON-ROUTERS-MIB?

CTRON-ROUTERS-MIB is a Cabletron MIB covering the company's router product line, exposing a system-level table that identifies each router instance, its administrative and operational status, and the specific standard routing-protocol MIBs supported on that device. It surfaces configuration and operational-state data such as router admin/oper status and revision tracking for the MIB itself. Its monitoring value centers on device/software status: nwRouterAdminStatus and nwRouterOperStatus let an operator confirm whether a routing instance is administratively enabled and actually operational, revealing hardware or software faults preventing routing service. It explicitly ties into other standard routing MIBs since nwRtrStdMibTable enumerates which standard MIBs (e.g., OSPF, RIP) a given router instance implements. It is deployed on Cabletron router platforms in enterprise environments running standard IP routing protocols. Engineers can download the CTRON-ROUTERS-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in CTRON-ROUTERS-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

  • Cabletron router

Monitoring Examples

An operator polling nwRouterSystemTable/nwRouterEntry would check nwRouterAdminStatus against nwRouterOperStatus for each nwRouterInstance to detect a router that's administratively up but operationally down, indicating a hardware or software fault. nwRtrStdMibTable/nwRtrStdMibEntry (indexed by nwRtrStdMibIndex) reveals which standard routing protocol MIBs (identified via nwRtrStdMibIdentifier) are active, useful before attempting further protocol-specific polling. nwRtrAdminChanges tracks the count of administrative configuration changes, helping correlate a status change with a recent reconfiguration.

What Can Be Monitored

  • router instance admin/operational status
  • supported standard routing protocol MIBs
  • administrative change count
  • router MIB revision
Imported Objects

From RFC-1212

OBJECT-TYPE

From RFC1155-SMI

Counter
TimeTicks

From RFC1213-MIB

DisplayString

From ROUTER-OIDS

nwRouterOBJECT-IDENTITY
nwRtrHighLevelViewOBJECT-IDENTITY
nwRtrMibsOBJECT-IDENTITY
nwRtrProtoSuitesOBJECT-IDENTITY
OIDs

RFC description

A Cabletron/Citrion router management MIB providing SNMP objects for managing routing functionality. This MIB is part of Cabletron's enterprise-specific routing services and supports various routing protocols including IP and IPX routing.

Start monitoring Cabletron router (routing protocol status) 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 CTRON-ROUTERS-MIB