TDLC-OPT-MIB

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Category: WAN and Serial Interfaces

Description: Manages TDLC interface option settings including data link configuration and protocol state.

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What Is TDLC-OPT-MIB?

TDLC-OPT-MIB is a legacy vendor MIB (associated with the Cisco/StrataCom CDX 6500 channel-extension platform) that manages Trunk Data Link Control (TDLC) protocol options on serial/channel interfaces. It exposes configuration-oriented objects that group and set the operating protocol for physical trunk (PST) and physical channel (PCT) ports on the device. Because it centers on per-port protocol-group assignment, it is used to monitor and confirm the operational protocol state of each channel/trunk port rather than expose broad hardware health telemetry, though protocol mismatches surfacing here can indicate link or configuration faults. It has no explicit dependency on other MIBs beyond the standard SNMPv1/v2 SMI conventions typical of mid-1990s vendor MIBs. As a TDLC-OPT-MIB reference, it would typically be deployed on legacy IBM mainframe channel-extension or trunk-multiplexing equipment integrated into a WAN.

IPNetwork Monitor allows you to monitor SNMP objects defined in TDLC-OPT-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

Codex (Motorola Codex) 6500-series multiplexer/data communications chassis

Monitoring Examples

An operator would poll cdx6500PCTPortProtocolGroup and cdx6500PSTPortProtocolGroup to confirm which protocol group each Physical Channel Trunk (PCT) and Physical Serial Trunk (PST) port on a CDX 6500 is currently assigned to. A mismatch between the expected and reported protocol group value would reveal a misconfigured trunk that could prevent the channel-extension link from establishing. Since only two grouping objects are visible in this module, monitoring here is limited to confirming per-port protocol assignment rather than full traffic statistics.

What Can Be Monitored

PCT port protocol group assignment
PST port protocol group assignment
trunk protocol configuration state

Imported Objects

From RFC-1212

OBJECT-TYPE

From RFC1155-SMI

Counter
enterprises

OIDs

OID symbolic	OID numeric	Type	Access	Description
codex	1.3.6.1.4.1.449
cdxProductSpecific	1.3.6.1.4.1.449.2
cdx6500	1.3.6.1.4.1.449.2.1
cdx6500Configuration	1.3.6.1.4.1.449.2.1.2
cdx6500CfgProtocolGroup	1.3.6.1.4.1.449.2.1.2.1
cdx6500PCTPortProtocolGroup	1.3.6.1.4.1.449.2.1.2.1.1
cdx6500PPCTTDLCPortTable	1.3.6.1.4.1.449.2.1.2.1.1.33		not-accessible	This table contains the TDLC port configuration parameters.
cdx6500PPCTTDLCPortEntry	1.3.6.1.4.1.449.2.1.2.1.1.33.1		not-accessible	Entries in the TDLC port configuration table.
INT tdlcPCfgPortNumber	1.3.6.1.4.1.449.2.1.2.1.1.33.1.1	INTEGER	read-only	Port Number of the TDLC port.
INT tdlcPCfgPortType	1.3.6.1.4.1.449.2.1.2.1.1.33.1.2	INTEGER	read-only	Specifies the type of access protocol for this port.
INT tdlcPCfgPortSpeed	1.3.6.1.4.1.449.2.1.2.1.1.33.1.3	INTEGER	read-only	Specifies port speed in bits per second. speed300 : 300 bits per second. speed1200 : 1200 bits per second. speed2400 : 2400 bits per second. speed4800 : 4800 bits per second. speed9600 : 9600 bits per second. speed19200 : 19200 bits per second.
INT tdlcPCfgConnType	1.3.6.1.4.1.449.2.1.2.1.1.33.1.4	INTEGER	read-only	This specifies the control signal handshake and clocking required for a connection to be made to this port. simp - simple, no control signals required. dtr - dedicated, require the data terminal ready signal (dtr). nc - Skipped during configuration.
INT tdlcPCfgCRCOption	1.3.6.1.4.1.449.2.1.2.1.1.33.1.5	INTEGER	read-only	This specifies CRC checking and generation for TNPP data frames. normal - 2 Bytes Binary CRC. transp - 4 Bytes ASCII CRC. nc - Skipped during configuration.
INT tdlcPCfgTANControl	1.3.6.1.4.1.449.2.1.2.1.1.33.1.6	INTEGER	read-only	This specifies whether to accept the control characters ACK, NAK, CAN and RS in TNPP data frames. no - Not Accepted. yes - Accepted. nc - Skipped during configuration.
INT tdlcPCfgPagTerminalID	1.3.6.1.4.1.449.2.1.2.1.1.33.1.7	INTEGER	read-only	This specifies the identifier for the paging terminal connected.
INT tdlcPCfgResponseControl	1.3.6.1.4.1.449.2.1.2.1.1.33.1.8	INTEGER	read-only	This specifies whether to respond to the paging terminal when the TFRI does not have connection with TFR. yes - Will respond only when the TFRI has connection with TFR. no - Will respond irrespective of TFRI connection with TFR.
INT tdlcPCfgElectricalInterfaceType	1.3.6.1.4.1.449.2.1.2.1.1.33.1.9	INTEGER	read-only	Specify the Electrical Interface Type: V.24 - V.24 Electrical Interface Type V.35 - V.35 Electrical Interface Type V.36 - V.36 Electrical Interface Type X.21 - X.21 Electrical Interface Type NONE - Electrically disabled
INT tdlcPCfgV24ElectricalInterfaceOption	1.3.6.1.4.1.449.2.1.2.1.1.33.1.10	INTEGER	read-only	Specify the Pin 22 option: RI - V.24 uses Pin 22 for Ring Indicator output signal TM - V.24 uses Pin 22 for Test Mode input signal
INT tdlcPCfgHighSpeedElectricalInterfaceOption	1.3.6.1.4.1.449.2.1.2.1.1.33.1.11	INTEGER	read-only	Specify the cable type: NONE - V.35/V.36/X.21 DCE with straight through cable XOVER - V.35/V.36/X.21 DCE with crossover adapter cable
cdx6500Statistics	1.3.6.1.4.1.449.2.1.3
cdx6500StatProtocolGroup	1.3.6.1.4.1.449.2.1.3.1
cdx6500PSTPortProtocolGroup	1.3.6.1.4.1.449.2.1.3.1.1
cdx6500PPSTTDLCPStatTable	1.3.6.1.4.1.449.2.1.3.1.1.34
tdlcPGenStatTable	1.3.6.1.4.1.449.2.1.3.1.1.34.1		not-accessible	This table contains the TDLC Port statistics general parameters.
tdlcPGenStatEntry	1.3.6.1.4.1.449.2.1.3.1.1.34.1.1		not-accessible	Entries in the TDLC port statistics general parameter table.
INT tdlcPGStatPortNumber	1.3.6.1.4.1.449.2.1.3.1.1.34.1.1.1	INTEGER	read-only	Port Number of the TDLC port.
INT tdlcPGStatPortType	1.3.6.1.4.1.449.2.1.3.1.1.34.1.1.2	INTEGER	read-only	This indicates the type of access protocol for this port.
INT tdlcPGStatPortStatus	1.3.6.1.4.1.449.2.1.3.1.1.34.1.1.3	INTEGER	read-only	This indicates the operational status of the port. disabled : port is disabled. up : port is up.
INT tdlcPGStatPortSpeed	1.3.6.1.4.1.449.2.1.3.1.1.34.1.1.4	INTEGER	read-only	This indicates port speed in bits per second.
INT tdlcPGStatPortUtilIn	1.3.6.1.4.1.449.2.1.3.1.1.34.1.1.5	INTEGER	read-only	This indicates the port utilization for the line to port direction.
INT tdlcPGStatPortUtilOut	1.3.6.1.4.1.449.2.1.3.1.1.34.1.1.6	INTEGER	read-only	This indicates the port utilization for the port to line direction.
CTR tdlcPGStatParityErrors	1.3.6.1.4.1.449.2.1.3.1.1.34.1.1.7	Counter	read-only	This indicates the number of parity errors counted by the I/O driver.
CTR tdlcPGStatOverrunErrors	1.3.6.1.4.1.449.2.1.3.1.1.34.1.1.8	Counter	read-only	This indicates the number of overrun errors detected by the I/O driver.
CTR tdlcPGStatFramingErrors	1.3.6.1.4.1.449.2.1.3.1.1.34.1.1.9	Counter	read-only	This indicates the number of framing errors counted by the I/O driver.
tdlcPDataSummaryStatTable	1.3.6.1.4.1.449.2.1.3.1.1.34.2		not-accessible	This table contains the TNPP port statistics data summary parameters.
tdlcPDataSummaryStatEntry	1.3.6.1.4.1.449.2.1.3.1.1.34.2.1		not-accessible	Entries in the TDLC port statistics data summary parameter table.
INT tdlcPDSStatPortNumber	1.3.6.1.4.1.449.2.1.3.1.1.34.2.1.1	INTEGER	read-only	Port Number of the TDLC port.
CTR tdlcPDSStatTotalCharIn	1.3.6.1.4.1.449.2.1.3.1.1.34.2.1.2	Counter	read-only	This indicates the total number of characters that have been received by the port.
CTR tdlcPDSStatTotalCharOut	1.3.6.1.4.1.449.2.1.3.1.1.34.2.1.3	Counter	read-only	This indicates the total number of characters that have been transmitted by the port.
CTR tdlcPDSStatTotalFramesIn	1.3.6.1.4.1.449.2.1.3.1.1.34.2.1.4	Counter	read-only	This indicates the total number of frames that have been received by the port.
CTR tdlcPDSStatTotalFramesOut	1.3.6.1.4.1.449.2.1.3.1.1.34.2.1.5	Counter	read-only	This indicates the total number of frames that have been received by the port.
INT tdlcPDSStatCharInPerSec	1.3.6.1.4.1.449.2.1.3.1.1.34.2.1.6	INTEGER	read-only	This indicates the rate at which characters have been received by the port per second.
INT tdlcPDSStatCharOutPerSec	1.3.6.1.4.1.449.2.1.3.1.1.34.2.1.7	INTEGER	read-only	This indicates the rate at which characters have been transmitted by the port per second.
INT tdlcPDSStatFramesInPerSec	1.3.6.1.4.1.449.2.1.3.1.1.34.2.1.8	INTEGER	read-only	This indicates the rate at which frames have been received by the port per second.
INT tdlcPDSStatFramesOutPerSec	1.3.6.1.4.1.449.2.1.3.1.1.34.2.1.9	INTEGER	read-only	This indicates the rate at which frames have been transmitted by the port per second.
tdlcPFrameSummaryStatTable	1.3.6.1.4.1.449.2.1.3.1.1.34.3		not-accessible	This table contains the TDLC Port statistics frame summary parameters.
tdlcPFrameSummaryStatEntry	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1		not-accessible	Entries in the TDLC port statistics frame summary parameter table.
INT tdlcPFSStatPortNumber	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.1	INTEGER	read-only	Port Number of this port.
INT tdlcPFSStatPagTerminalID	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.2	INTEGER	read-only	This specifies the identifier for the paging terminal connected.
INT tdlcPFSStatLinkState	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.3	INTEGER	read-only	This indicates the current link state. init - Initialization state. awaitEnqResp - Await enquiry response state. ready - Ready to communicate state transmitting - Transmitting state. transmitResponse - Transmit response state. na - Value not available.
CTR tdlcPFSStatCRCErrors	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.4	Counter	read-only	This indicates the total number data frames received with Cyclic Redundancy Check errors.
CTR tdlcPFSStatLinkFramingErrors	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.5	Counter	read-only	This indicates the total number of TNPP framing errors (Invalid Header,Invalid Control character, Frame Size Exceeded, Incomplete Frame, etc.).
CTR tdlcPFSStatProtocolErrors	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.6	Counter	read-only	This indicates the number of Protocol errors due to unexpected events .
CTR tdlcPFSStatENQFramesIn	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.7	Counter	read-only	This indicates the total number of Enquiry frames received by the port.
CTR tdlcPFSStatENQFramesOut	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.8	Counter	read-only	This indicates the total number of Enquiry frames transmitted by the port.
CTR tdlcPFSStatEOTFramesIn	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.9	Counter	read-only	This indicates the total number of End of Transmission frames received by the port.
CTR tdlcPFSStatEOTFramesOut	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.10	Counter	read-only	This indicates the total number of End of Transmission frames transmitted by the port.
CTR tdlcPFSStatACKFramesIn	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.11	Counter	read-only	This indicates the total number of Acknowledgment frames received by the port.
CTR tdlcPFSStatACKFramesOut	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.12	Counter	read-only	This indicates the total number of Acknowledgment frames transmitted by the port.
CTR tdlcPFSStatNAKFramesIn	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.13	Counter	read-only	This indicates the total number of Negative Acknowledgment frames received by the port.
CTR tdlcPFSStatNAKFramesOut	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.14	Counter	read-only	This indicates the total number of Negative Acknowledgment frames transmitted.
CTR tdlcPFSStatRSFramesIn	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.15	Counter	read-only	This indicates the total number of Request to Stop frames received by the port.
CTR tdlcPFSStatRSFramesOut	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.16	Counter	read-only	This indicates the total number of Request to Stop frames transmitted by the port.
CTR tdlcPFSStatCANFramesIn	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.17	Counter	read-only	This indicates the total number of CANcel report frames received by the port.
CTR tdlcPFSStatCANFramesOut	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.18	Counter	read-only	This indicates the total number of CANcel report frames transmitted by the port.
CTR tdlcPFSStatDataFramesInPassed	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.19	Counter	read-only	This indicates the total number of valid data frames received by the port.
CTR tdlcPFSStatDataFramesOutPassed	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.20	Counter	read-only	This indicates the total number of valid data frames transmitted by the port.
CTR tdlcPFSStatDataFramesInDiscarded	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.21	Counter	read-only	This indicates the total number of data frames received by the port and discarded.
CTR tdlcPFSStatDataFramesOutDiscarded	1.3.6.1.4.1.449.2.1.3.1.1.34.3.1.22	Counter	read-only	This indicates the total number of data frames transmitted by the port and discarded.
cdx6500Controls	1.3.6.1.4.1.449.2.1.4
cdx6500ContTDLCTable	1.3.6.1.4.1.449.2.1.4.16
cdx6500ContTDLCPortTable	1.3.6.1.4.1.449.2.1.4.16.1		not-accessible	This table contains the TDLC Port Control parameters.
cdx6500ContTDLCPortEntry	1.3.6.1.4.1.449.2.1.4.16.1.1		not-accessible	Entries in the TDLC Port Control Table.
INT tdlcPContPortNumber	1.3.6.1.4.1.449.2.1.4.16.1.1.1	INTEGER	not-accessible	Port number of the TDLC port.
INT tdlcPContPortControl	1.3.6.1.4.1.449.2.1.4.16.1.1.2	INTEGER	write-only	Control operations for the specified TDLC port. boot - Boots the TDLC Port. enable - Enables the TDLC Port. disable - Disables the TDLC Port. busyout - Busyout the TDLC Port. resetstats - Resets the TDLC port statistics.

RFC description

Manages TDLC (Terminal Data Link Control) port configuration and parameters on Codex equipment.

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Download TDLC-OPT-MIB

What Is TDLC-OPT-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description