CTFRAMER-CONFIG-MIB

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Category: Network Interfaces, Vendor: Cabletron/Enterasys

Description: Configures Cabletron framer hardware parameters for WAN interfaces including T1/E1 framing and line coding.

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What Is CTFRAMER-CONFIG-MIB?

CTFRAMER-CONFIG-MIB is a Cabletron (later Enterasys) Networks MIB that configures framer hardware on WAN interface modules, covering T1/E1, DS3, and SONET framing and line-coding parameters. It exposes a core framer configuration table (ctFramerConfigTable/Entry) plus dedicated sub-configuration groups for statistics, alarms, transmission medium, idle-cell handling, ATM cell-payload scrambling, and DS3/SONET-specific framing modes. While primarily a configuration MIB, its ctFramerStatsConfig and ctFramerAlarmsConfig objects tie directly into physical-layer fault monitoring, letting an operator watch framing/line alarms and error statistics that reflect hardware health of the WAN circuit. It parallels standard DS1/E1, DS3, and SONET/SDH MIB concepts and is typically used alongside the equivalent IETF MIBs for those technologies. It is deployed on Cabletron/Enterasys WAN edge or aggregation devices carrying T1/E1/DS3/SONET circuits, and administrators can download the CTFRAMER-CONFIG-MIB file to load it into their MIB browser for framer configuration monitoring.

IPNetwork Monitor allows you to monitor SNMP objects defined in CTFRAMER-CONFIG-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/Enterasys WAN interface module or router

Monitoring Examples

An admin would poll ctFramerConfigTable/ctFramerConfigEntry to check a given framer's mode, using ctFramerDS3Config or ctFramerSonetConfig entries to confirm whether DS3 or SONET framing is active on a port. Checking ctFramerAlarmsConfig alongside the framer's live alarm state would reveal a loss-of-frame or line-code violation indicating a bad WAN circuit or cabling fault. ctFramerCellPayScramConfig and ctFramerIdleCellsConfig govern ATM cell-level framing parameters relevant when the port carries ATM over T1/E1/DS3.

What Can Be Monitored

framer configuration/mode
line/framing alarms
framer statistics
DS3 framing parameters
SONET framing parameters
cell payload scrambling status

Imported Objects

From CTIF-EXT-MIB

ctFramerConfig	OBJECT-IDENTITY
ctIfPortPortNumber	OBJECT-TYPE

From RFC-1212

OBJECT-TYPE

From RFC1213-MIB

ifIndex

OIDs

OID symbolic	OID numeric	Type	Access	Description
ctFramerBaseConfig	1.3.6.1.4.1.52.4.3.3.9.1
ctFramerConfigTable	1.3.6.1.4.1.52.4.3.3.9.1.1		not-accessible	A list of framer configuration objects for a physical port on a particular interface.
ctFramerConfigEntry	1.3.6.1.4.1.52.4.3.3.9.1.1.1		not-accessible	An entry containing objects pertaining to the configuration of the framer on a physical port on an interface.
INT ctFramerStatsConfig	1.3.6.1.4.1.52.4.3.3.9.1.1.1.1	INTEGER	read-write	Setting this object to 'on' will activate the framer MIBs as specified by either RFC-1595 or RFC-1407 depending on whether the interface uses SONET/SDH framing or DS3 framing respectively. Note: Setting this to 'on' will permit gathering of framer statistics at the expense of processing time. However, it might be a valuable debugging aid to turn on the framer MIB. Setting this object to 'off' will deactivate the respective framer MIBs, thus saving processing time. It is emphasized that collection of statistics for the framer is resource (processor, memory) intensive. This object is persistent.
INT ctFramerAlarmsConfig	1.3.6.1.4.1.52.4.3.3.9.1.1.1.2	INTEGER	read-write	This object activates/deactivates the detection and initiation of framer alarms. for SONET/SDH framed physical ports: RDI - remote defect indicator AIS - alarm indication signal for DS3 framed physical ports: yellow signal alarms This object is persistent.
INT ctFramerMediumConfig	1.3.6.1.4.1.52.4.3.3.9.1.1.1.3	INTEGER	read-write	This object controls whether a SONET or a SDH signal is used across this physical port. sonet - synchronous optical network sdh - synchronous digital heirarchy This object is persistent.
INT ctFramerIdleCellsConfig	1.3.6.1.4.1.52.4.3.3.9.1.1.1.4	INTEGER	read-write	When this object is set to idle, null cells will have the CLP bit set. When this object is set to unassigned, null cells will not have the CLP bit set. This object is persistent.
INT ctFramerCellPayScramConfig	1.3.6.1.4.1.52.4.3.3.9.1.1.1.5	INTEGER	read-write	This object activates/deactivates cell payload transmit scrambling and receive descrambling. This object is persistent.
ctFramerSonetConfig	1.3.6.1.4.1.52.4.3.3.9.2
ctFramerDS3Config	1.3.6.1.4.1.52.4.3.3.9.3

RFC description

Cabletron framing configuration MIB for managing SONET, DS3, and framer chip parameters on physical interfaces.

Start monitoring Cabletron/Enterasys WAN interface module/router (T1/E1/DS3/SONET framer) 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 CTFRAMER-CONFIG-MIB

What Is CTFRAMER-CONFIG-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description