ECX25EXT-MIB

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Category: Protocol: X.25

Description: Extended X.25 MIB providing vendor-specific management objects for X.25 packet-switched network interfaces.

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What Is ECX25EXT-MIB?

ECX25EXT-MIB is a legacy Equinox Systems (enterprise OID 434) proprietary MIB (extending RFC 1381) reporting per-port X.25 Level 3 protocol-frame counters. Its runtime-counters table, keyed by port reference, records transmitted/received counts for Restart-Request, Clear-Request, Reset-Request, Interrupt-Request, RNR (Receiver Not Ready), REJ (Reject), Call-Confirm, RR (Receiver Ready), Interrupt-Confirm, Clear-Confirm, and Reset-Confirm packets. As a performance/protocol-status MIB it lets an administrator watch X.25 control-packet exchange volume per port to diagnose signaling issues on legacy Equinox X.25 equipment. It is deployed on legacy Equinox Systems X.25 access equipment. Engineers can download the ECX25EXT-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ECX25EXT-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

Legacy Equinox Systems X.25 access equipment

Monitoring Examples

An administrator checks x25RestartReqTxs and x25ClearReqRxs to diagnose recurring X.25 circuit resets on legacy Equinox X.25 access equipment.

What Can Be Monitored

per-port X.25 Level 3 control-packet counters

Imported Objects

From RFC-1212

OBJECT-TYPE

From RFC-1215

TRAP-TYPE

From RFC1155-SMI

Counter
Gauge
TimeTicks
enterprises

OIDs

OID symbolic	OID numeric	Type	Access	Description
eicon	1.3.6.1.4.1.434
NTF x25Reset	1.3.6.1.4.1.434.0.2			If the PLE sends or receives a reset, the agent should send an x25Reset trap.
NTF x25Restart	1.3.6.1.4.1.434.0.451			This trap means the X.25 PLE sent or received a restart packet. The restart that brings up the link should not send a x25Restart trap so the interface should send a linkUp trap. Sending this trap means the agent does not send a linkDown and linkUp trap.
management	1.3.6.1.4.1.434.2
mibv2	1.3.6.1.4.1.434.2.2
x25ext	1.3.6.1.4.1.434.2.2.4.5
x25CountersTable	1.3.6.1.4.1.434.2.2.4.5.1		not-accessible	Runtime counters table, one row per port
x25CountEntry	1.3.6.1.4.1.434.2.2.4.5.1.1		not-accessible	The set of counters for one port.
INT x25CountPortRef	1.3.6.1.4.1.434.2.2.4.5.1.1.1	INTEGER	read-only	The Port reference on which the X25 is running.
CTR x25RestartReqTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.2	Counter	read-only	Restart request frames transmitted
CTR x25RestartReqRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.3	Counter	read-only	Restart request frames received
CTR x25ClearReqTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.4	Counter	read-only	Clear request frames transmitted
CTR x25ClearReqRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.5	Counter	read-only	Clear request frames received
CTR x25ResetReqTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.6	Counter	read-only	Reset request frames transmitted
CTR x25ResetReqRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.7	Counter	read-only	Reset request frames received
CTR x25InterrReqTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.8	Counter	read-only	Interrupt request frames transmitted
CTR x25InterrReqRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.9	Counter	read-only	Interrupt request frames received
CTR x25RNRsTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.10	Counter	read-only	Receiver not ready frames transmitted
CTR x25RNRsRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.11	Counter	read-only	Receiver not ready frames received
CTR x25REJsTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.12	Counter	read-only	Reject frames transmitted
CTR x25REJsRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.13	Counter	read-only	Reject frames received
CTR x25CallConfirmTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.14	Counter	read-only	Call confirm transmitted.
CTR x25CallConfirmRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.15	Counter	read-only	Call confirm received.
CTR x25RRTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.16	Counter	read-only	Receiver ready transmitted
CTR x25RRRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.17	Counter	read-only	Receiver ready received
CTR x25IntConfirmTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.18	Counter	read-only	Interrupt confirm transmitted
CTR x25IntConfirmRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.19	Counter	read-only	Interrupt confirm received
CTR x25ClrConfirmTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.20	Counter	read-only	Clear confirmation transmitted.
CTR x25ClrConfirmRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.21	Counter	read-only	Clear confirmation received.
CTR x25ResetConfirmTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.22	Counter	read-only	Reset confirm transmitted.
CTR x25ResetConfirmRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.23	Counter	read-only	Reset confirm received.
CTR x25RestartConfirmTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.24	Counter	read-only	Restart confirm transmitted.
CTR x25RestartConfirmRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.25	Counter	read-only	Restart confirm received.
CTR x25CallReqTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.26	Counter	read-only	The number of requests transmitted for a connection.
CTR x25CallReqRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.27	Counter	read-only	The number of requests received for a connection.
CTR x25RegisterReqTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.28	Counter	read-only	The number of register packets sent. Register packets are used to exchange registration information.
CTR x25RegisterReqRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.29	Counter	read-only	The number of register packets received.
CTR x25RegisterConfirmTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.30	Counter	read-only	Register confirm transmitted.
CTR x25RegisterConfirmRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.31	Counter	read-only	Register confirm received.
CTR x25DataSegmentsTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.32	Counter	read-only	The number of 64 bytes data blocks sent.
CTR x25DataSegmentsRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.33	Counter	read-only	The number of 64 bytes data blocks received.
CTR x25CaractersTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.34	Counter	read-only	The number of characters sent.
CTR x25CaractersRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.35	Counter	read-only	The number of characters received.
CTR x25DiagnosticPktsTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.36	Counter	read-only	The number of error information packets sent.
CTR x25DiagnosticPktsRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.37	Counter	read-only	The number of error information packets received.
CTR x25UnknownPktsTxs	1.3.6.1.4.1.434.2.2.4.5.1.1.38	Counter	read-only	The number of packets that could not be recognized as following the X.25 structure sent.
CTR x25UnknownPktsRxs	1.3.6.1.4.1.434.2.2.4.5.1.1.39	Counter	read-only	The number of packets that could not be recognized as following the X.25 structure received.
x25VCCallParmTable	1.3.6.1.4.1.434.2.2.4.5.2		not-accessible	This table contains only the objects of the Internet x25CallParmTable which are available from the EiconCard. For the complete description of x25CallParmTable, please refer to RFC1382.
x25VCCallParmEntry	1.3.6.1.4.1.434.2.2.4.5.2.1		not-accessible	Entries of x25VCCallParmTable.
INT x25VCCallParmPortIndex	1.3.6.1.4.1.434.2.2.4.5.2.1.1	INTEGER	read-only	The Port reference on which the X25 is running.
INT x25VCCallParmVCIndex	1.3.6.1.4.1.434.2.2.4.5.2.1.2	INTEGER	read-only	The number of Virtual Circuits.
INT x25VCCallParmInPacketSize	1.3.6.1.4.1.434.2.2.4.5.2.1.3	INTEGER	read-write	The maximum receive packet size in octets for a circuit. A size of zero for a circuit means use the PLE default size. A size of zero for the PLE means use a default size of 128.
INT x25VCCallParmOutPacketSize	1.3.6.1.4.1.434.2.2.4.5.2.1.4	INTEGER	read-write	The maximum transmit packet size in octets for a circuit. A size of zero for a circuit means use the PLE default size. A size of zero for the PLE default means use a default size of 128.
INT x25VCCallParmInWindowSize	1.3.6.1.4.1.434.2.2.4.5.2.1.5	INTEGER	read-write	The receive window size for a circuit. A size of zero for a circuit means use the PLE default size. A size of zero for the PLE default means use 2.
INT x25VCCallParmOutWindowSize	1.3.6.1.4.1.434.2.2.4.5.2.1.6	INTEGER	read-write	The transmit window size for a circuit. A size of zero for a circuit means use the PLE default size. A size of zero for the PLE default means use 2.
OCT x25VCCallParmUserData	1.3.6.1.4.1.434.2.2.4.5.2.1.7	OCTET STRING	read-write	The call user data as placed in the packet. A zero length string indicates no call user data. If both the circuit call parameters and the PLE default have call user data defined, the data from the circuit call parameters will be used. If only the PLE has data defined, the PLE entry will be used. If neither the circuit call parameters or the PLE default entry has a value, no call user data will be sent.
OCT x25VCCallParmCallingNetworkFacilities	1.3.6.1.4.1.434.2.2.4.5.2.1.8	OCTET STRING	read-write	The calling network facilities. The facilities are encoded here exactly as encoded in the call packet. These facilities do not include the marker facility code. A zero length string in the entry for the parameter to use when establishing a circuit means use the PLE default. A zero length string in the entry for PLE default parameters indicates no default facilities.
OCT x25VCCallParmCalledNetworkFacilities	1.3.6.1.4.1.434.2.2.4.5.2.1.9	OCTET STRING	read-write	The called network facilities. The facilities are encoded here exactly as encoded in the call packet. These facilities do not include the marker facility code. A zero length string in the entry for the parameter to use when establishing a circuit means use the PLE default. A zero length string in the entry for PLE default parameters indicates no default facilities.
x25OperTable	1.3.6.1.4.1.434.2.2.4.5.3		not-accessible	The operation parameters in use by the X.25 PLE.
x25OperEntry	1.3.6.1.4.1.434.2.2.4.5.3.1		not-accessible	Entries of x25OperTable.
CTR x25OperIndex	1.3.6.1.4.1.434.2.2.4.5.3.1.1	Counter	read-only	The ifIndex value for the X.25 interface.
INT x25OperInterfaceMode	1.3.6.1.4.1.434.2.2.4.5.3.1.2	INTEGER	read-only	Identifies DCE/DTE mode in which the interface operates. A value of dxe indicates the role will be determined by XID negotiation at the Link Layer and that negotiation has not yet taken place.
INT x25OperMaxActiveCircuits	1.3.6.1.4.1.434.2.2.4.5.3.1.3	INTEGER	read-only	Maximum number of circuits this PLE can support.
INT x25OperPacketSequencing	1.3.6.1.4.1.434.2.2.4.5.3.1.4	INTEGER	read-only	The modulus of the packet sequence number space.
NUM x25OperRestartTimer	1.3.6.1.4.1.434.2.2.4.5.3.1.5	PositiveInteger	read-only	The T20 restart timer in milliseconds.
NUM x25OperCallTimer	1.3.6.1.4.1.434.2.2.4.5.3.1.6	PositiveInteger	read-only	The T21 Call timer in milliseconds.
NUM x25OperResetTimer	1.3.6.1.4.1.434.2.2.4.5.3.1.7	PositiveInteger	read-only	The T22 Reset timer in milliseconds.
NUM x25OperClearTimer	1.3.6.1.4.1.434.2.2.4.5.3.1.8	PositiveInteger	read-only	The T23 Clear timer in milliseconds.
NUM x25OperWindowTimer	1.3.6.1.4.1.434.2.2.4.5.3.1.9	PositiveInteger	read-only	The T24 window status transmission timer milliseconds. A value of 2147483647 indicates no window timer in use.
NUM x25OperDataRxmtTimer	1.3.6.1.4.1.434.2.2.4.5.3.1.10	PositiveInteger	read-only	The T25 Data Retransmission timer in milliseconds. A value of 2147483647 indicates no data retransmission timer in use.
NUM x25OperInterruptTimer	1.3.6.1.4.1.434.2.2.4.5.3.1.11	PositiveInteger	read-only	The T26 Interrupt timer in milliseconds. A value of 2147483647 indicates interrupts are not being used.
NUM x25OperRejectTimer	1.3.6.1.4.1.434.2.2.4.5.3.1.12	PositiveInteger	read-only	The T27 Reject retransmission timer in milliseconds. A value of 2147483647 indicates no reject timer in use.
NUM x25OperRegistrationRequestTimer	1.3.6.1.4.1.434.2.2.4.5.3.1.13	PositiveInteger	read-only	The T28 registration timer in milliseconds. A value of 2147483647 indicates no registration timer in use.
NUM x25OperMinimumRecallTimer	1.3.6.1.4.1.434.2.2.4.5.3.1.14	PositiveInteger	read-only	Minimum time interval between unsuccessful call attempts in milliseconds.
INT x25OperRestartCount	1.3.6.1.4.1.434.2.2.4.5.3.1.15	INTEGER	read-only	The R20 restart retransmission count.
INT x25OperResetCount	1.3.6.1.4.1.434.2.2.4.5.3.1.16	INTEGER	read-only	The r22 Reset retransmission count.
INT x25OperClearCount	1.3.6.1.4.1.434.2.2.4.5.3.1.17	INTEGER	read-only	The r23 Clear retransmission count.
INT x25OperDataRxmtCount	1.3.6.1.4.1.434.2.2.4.5.3.1.18	INTEGER	read-only	The R25 Data retransmission count. This value is undefined if the x25OperDataRxmtTimer indicates no timer in use.
INT x25OperRejectCount	1.3.6.1.4.1.434.2.2.4.5.3.1.19	INTEGER	read-only	The R27 reject retransmission count. This value is undefined if the x25OperRejectTimer indicates no timer in use.
INT x25OperRegistrationRequestCount	1.3.6.1.4.1.434.2.2.4.5.3.1.20	INTEGER	read-only	The R28 Registration retransmission Count. This value is undefined if the x25OperREgistrationRequestTimer indicates no timer in use.
INT x25OperNumberPVCs	1.3.6.1.4.1.434.2.2.4.5.3.1.21	INTEGER	read-only	The number of PVC configured for this PLE. The PVCs use channel numbers from 1 to this number.
OID x25OperDefCallParamId	1.3.6.1.4.1.434.2.2.4.5.3.1.22	OBJECT IDENTIFIER	read-only	This identifies the instance of the x25CallParmIndex for the entry in the x25CallParmTable that contains the default call parameters for this PLE.
ADR x25OperLocalAddress	1.3.6.1.4.1.434.2.2.4.5.3.1.23	X121Address	read-only	The local address for this PLE subnetwork. A zero length address maybe returned by PLEs that only support PVCs.
OID x25OperDataLinkId	1.3.6.1.4.1.434.2.2.4.5.3.1.24	OBJECT IDENTIFIER	read-only	This identifies the instance of the index object in the first table of the most device specific MIB for the interface used by this PLE.
OID x25OperProtocolVersionSupported	1.3.6.1.4.1.434.2.2.4.5.3.1.25	OBJECT IDENTIFIER	read-only	Identifies the version of the X.25 protocol this interface supports. Object identifiers for common versions are defined below in the x25ProtocolVersion subtree.
x25StatTable	1.3.6.1.4.1.434.2.2.4.5.4		not-accessible	Statistics information about this X.25 PLE.
x25StatEntry	1.3.6.1.4.1.434.2.2.4.5.4.1		not-accessible	Entries of the x25StatTable.
IFI x25StatIndex	1.3.6.1.4.1.434.2.2.4.5.4.1.1	IfIndexType	read-only	The ifIndex value for the X.25 interface.
CTR x25StatInCalls	1.3.6.1.4.1.434.2.2.4.5.4.1.2	Counter	read-only	The number of incoming calls received.
CTR x25StatInCallRefusals	1.3.6.1.4.1.434.2.2.4.5.4.1.3	Counter	read-only	The number of incoming calls refused. This includes calls refused by the PLE and by higher layers. This also includes calls cleared because of restricted fast select.
CTR x25StatInProviderInitiatedClears	1.3.6.1.4.1.434.2.2.4.5.4.1.4	Counter	read-only	The number of clear requests with a cause code other than DTE initiated.
CTR x25StatInRemotelyInitiatedResets	1.3.6.1.4.1.434.2.2.4.5.4.1.5	Counter	read-only	The number of reset requests received with cause code DTE initiated.
CTR x25StatInProviderInitiatedResets	1.3.6.1.4.1.434.2.2.4.5.4.1.6	Counter	read-only	The number of reset requests received with cause code other than DTE initiated.
CTR x25StatInRestarts	1.3.6.1.4.1.434.2.2.4.5.4.1.7	Counter	read-only	The number of remotely initiated (including provider initiated) restarts experienced by the PLE excluding the restart associated with bringing up the PLE interface. This only counts restarts received when the PLE already has an established connection with the remove PLE.
CTR x25StatInDataPackets	1.3.6.1.4.1.434.2.2.4.5.4.1.8	Counter	read-only	The number of data packets received.
CTR x25StatInAccusedOfProtocolErrors	1.3.6.1.4.1.434.2.2.4.5.4.1.9	Counter	read-only	The number of packets received containing a procedure error cause code. These include clear, reset, restart, or diagnostic packets.
CTR x25StatInInterrupts	1.3.6.1.4.1.434.2.2.4.5.4.1.10	Counter	read-only	The number of interrupt packets received by the PLE or over the PVC/VC.
CTR x25StatOutCallAttempts	1.3.6.1.4.1.434.2.2.4.5.4.1.11	Counter	read-only	The number of calls attempted.
CTR x25StatOutCallFailures	1.3.6.1.4.1.434.2.2.4.5.4.1.12	Counter	read-only	The number of call attempts which failed. This includes calls that were cleared because of restrictive fast select.
CTR x25StatOutInterrupts	1.3.6.1.4.1.434.2.2.4.5.4.1.13	Counter	read-only	The number of interrupt packets send by the PLE or over the PVC/VC.
CTR x25StatOutDataPackets	1.3.6.1.4.1.434.2.2.4.5.4.1.14	Counter	read-only	The number of data packets sent by this PLE.
GAU x25StatOutgoingCircuits	1.3.6.1.4.1.434.2.2.4.5.4.1.15	Gauge	read-only	The number of active outgoing circuits. This includes call requests sent but not yet confirmed. This does not count PVCs.
GAU x25StatIncomingCircuits	1.3.6.1.4.1.434.2.2.4.5.4.1.16	Gauge	read-only	The number of active Incoming Circuits. This includes call indications received but not yet acknowledged. This does not count PVCs.
GAU x25StatTwowayCircuits	1.3.6.1.4.1.434.2.2.4.5.4.1.17	Gauge	read-only	The number of active two-way Circuits. This includes call requests sent but not yet confirmed. This does not count PVCs.
CTR x25StatRestartTimeouts	1.3.6.1.4.1.434.2.2.4.5.4.1.18	Counter	read-only	The number of times the T20 restart timer expired.
CTR x25StatCallTimeouts	1.3.6.1.4.1.434.2.2.4.5.4.1.19	Counter	read-only	The number of times the T21 call timer expired.
CTR x25StatResetTimeouts	1.3.6.1.4.1.434.2.2.4.5.4.1.20	Counter	read-only	The number of times the T22 reset timer expired.
CTR x25StatClearTimeouts	1.3.6.1.4.1.434.2.2.4.5.4.1.21	Counter	read-only	The number of times the T23 clear timer expired.
CTR x25StatDataRxmtTimeouts	1.3.6.1.4.1.434.2.2.4.5.4.1.22	Counter	read-only	The number of times the T25 data timer expired.
CTR x25StatInterruptTimeouts	1.3.6.1.4.1.434.2.2.4.5.4.1.23	Counter	read-only	The number of times the T26 interrupt timer expired.
CTR x25StatRetryCountExceededs	1.3.6.1.4.1.434.2.2.4.5.4.1.24	Counter	read-only	The number of times a retry counter was exhausted.
CTR x25StatClearCountExceededs	1.3.6.1.4.1.434.2.2.4.5.4.1.25	Counter	read-only	The number of times the R23 clear count was exceeded.
x25ChannelTable	1.3.6.1.4.1.434.2.2.4.5.5		not-accessible	These objects contain information about the channel number configuration in an X.25 PLE. These values are the configured values. changes in these values after the interfaces has started may not be reflected in the operating PLE.
x25ChannelEntry	1.3.6.1.4.1.434.2.2.4.5.5.1		not-accessible	Entries of x25ChannelTable.
IFI x25ChannelIndex	1.3.6.1.4.1.434.2.2.4.5.5.1.1	IfIndexType	read-only	The ifIndex value for the X.25 Interface.
INT x25ChannelLIC	1.3.6.1.4.1.434.2.2.4.5.5.1.2	INTEGER	read-write	Lowest Incoming channel.
INT x25ChannelHIC	1.3.6.1.4.1.434.2.2.4.5.5.1.3	INTEGER	read-write	Highest Incoming channel. A value of zero indicates no channels in this range.
INT x25ChannelLTC	1.3.6.1.4.1.434.2.2.4.5.5.1.4	INTEGER	read-write	Lowest Two-way channel.
INT x25ChannelHTC	1.3.6.1.4.1.434.2.2.4.5.5.1.5	INTEGER	read-write	Highest Two-way channel. A value of zero indicates no channels in this range.
INT x25ChannelLOC	1.3.6.1.4.1.434.2.2.4.5.5.1.6	INTEGER	read-write	Lowest outgoing channel.
INT x25ChannelHOC	1.3.6.1.4.1.434.2.2.4.5.5.1.7	INTEGER	read-write	Highest outgoing channel. A value of zero indicates no channels in this range.
x25CircuitTable	1.3.6.1.4.1.434.2.2.4.5.6		not-accessible	These objects contain general information about a specific circuit of an X.25 PLE.
x25CircuitEntry	1.3.6.1.4.1.434.2.2.4.5.6.1		not-accessible	Entries of x25CircuitTable.
IFI x25CircuitIndex	1.3.6.1.4.1.434.2.2.4.5.6.1.1	IfIndexType	read-only	The ifIndex value for the X.25 Interface.
INT x25CircuitChannel	1.3.6.1.4.1.434.2.2.4.5.6.1.2	INTEGER	read-only	The channel number for this circuit.
INT x25CircuitStatus	1.3.6.1.4.1.434.2.2.4.5.6.1.3	INTEGER	read-write	This object reports the current status of the circuit. An existing instance of this object can only be set to startClear, startPvcResetting, or invalid. An instance with the value calling or open can only be set to startClear and that action will start clearing the circuit. An instance with the value PVC can only be set to startPvcResetting or invalid and that action resets the PVC or deletes the circuit respectively. The values startClear or startPvcResetting will never be returned by an agent. An attempt to set the status of an existing instance to a value other than one of these values will result in an error. A non-existing instance can be set to PVC to create a PVC if the implementation supports dynamic creation of PVCs. Some implementations may only allow creation and deletion of PVCs if the interface is down. Since the instance identifier will supply the PLE index and the channel number, setting this object alone supplies sufficient information to create the instance. All the DEFVAL clauses for the other objects of this table are appropriate for creating a PVC; PLEs creating entries for placed or accepted calls will use values appropriate for the call rather than the value of the DEFVAL clause. Two managers trying to create the same PVC can determine from the return code which manager succeeded and which failed (the failing manager fails because it can not set a value of PVC for an existing object). An entry in the closed or invalid state may be deleted or reused at the agent's convence. If the entry is kept in the closed state, the values of the parameters associated with the entry must be correct. Closed implies the values in the circuit table are correct. The value of invalid indicates the other values in the table are invalid. Many agents may never return a value of invalid because they dynamically allocate and free unused table entries. An agent for a statically configured systems can return invalid to indicate the entry has not yet been used so the counters contain no information.
TIK x25CircuitEstablishTime	1.3.6.1.4.1.434.2.2.4.5.6.1.4	TimeTicks	read-only	The value of sysUpTime when the channel was associated with this circuit. For outgoing SVCs, this is the time the first call packet was sent. For incoming SVCs, this is the time the call indication was received. For PVCs this is the time the PVC was able to pass data to a higher layer entity without loss of data.
INT x25CircuitDirection	1.3.6.1.4.1.434.2.2.4.5.6.1.5	INTEGER	read-write	The direction of the call that established this circuit.
CTR x25CircuitInOctets	1.3.6.1.4.1.434.2.2.4.5.6.1.6	Counter	read-only	The number of octets of user data delivered to upper layer.
CTR x25CircuitInPdus	1.3.6.1.4.1.434.2.2.4.5.6.1.7	Counter	read-only	The number of PDUs received for this circuit.
CTR x25CircuitInRemotelyInitiatedResets	1.3.6.1.4.1.434.2.2.4.5.6.1.8	Counter	read-only	The number of Resets received for this circuit with cause code of DTE initiated.
CTR x25CircuitInProviderInitiatedResets	1.3.6.1.4.1.434.2.2.4.5.6.1.9	Counter	read-only	The number of Resets received for this circuit with cause code other than DTE initiated.
CTR x25CircuitInInterrupts	1.3.6.1.4.1.434.2.2.4.5.6.1.10	Counter	read-only	The number of interrupt packets received for this circuit.
CTR x25CircuitOutOctets	1.3.6.1.4.1.434.2.2.4.5.6.1.11	Counter	read-only	The number of octets of user data sent for this circuit.
CTR x25CircuitOutPdus	1.3.6.1.4.1.434.2.2.4.5.6.1.12	Counter	read-only	The number of PDUs sent for this circuit.
CTR x25CircuitOutInterrupts	1.3.6.1.4.1.434.2.2.4.5.6.1.13	Counter	read-only	The number of interrupt packets sent on this circuit.
CTR x25CircuitDataRetransmissionTimeouts	1.3.6.1.4.1.434.2.2.4.5.6.1.14	Counter	read-only	The number of times the T25 data retransmission timer expired for this circuit.
CTR x25CircuitResetTimeouts	1.3.6.1.4.1.434.2.2.4.5.6.1.15	Counter	read-only	The number of times the T22 reset timer expired for this circuit.
CTR x25CircuitInterruptTimeouts	1.3.6.1.4.1.434.2.2.4.5.6.1.16	Counter	read-only	The number of times the T26 Interrupt timer expired for this circuit.
OID x25CircuitCallParamId	1.3.6.1.4.1.434.2.2.4.5.6.1.17	OBJECT IDENTIFIER	read-write	This identifies the instance of the x25CallParmIndex for the entry in the x25CallParmTable which contains the call parameters in use with this circuit. The entry referenced must contain the values that are currently in use by the circuit rather than proposed values. A value of NULL indicates the circuit is a PVC or is using all the default parameters.
ADR x25CircuitCalledDteAddress	1.3.6.1.4.1.434.2.2.4.5.6.1.18	X121Address	read-write	For incoming calls, this is the called address from the call indication packet. For outgoing calls, this is the called address from the call confirmation packet. This will be zero length for PVCs.
ADR x25CircuitCallingDteAddress	1.3.6.1.4.1.434.2.2.4.5.6.1.19	X121Address	read-write	For incoming calls, this is the calling address from the call indication packet. For outgoing calls, this is the calling address from the call confirmation packet. This will be zero length for PVCs.
ADR x25CircuitOriginallyCalledAddress	1.3.6.1.4.1.434.2.2.4.5.6.1.20	X121Address	read-write	For incoming calls, this is the address in the call Redirection or Call Deflection Notification facility if the call was deflected or redirected, otherwise it will be called address from the call indication packet. For outgoing calls, this is the address from the call request packet. This will be zero length for PVCs.
STR x25CircuitDescr	1.3.6.1.4.1.434.2.2.4.5.6.1.21	DisplayString	read-write	A descriptive string associated with this circuit. This provides a place for the agent to supply any descriptive information it knows about the use or owner of the circuit. The agent may return the process identifier and user name for the process using the circuit. Alternative the agent may return the name of the configuration entry that caused a bridge to establish the circuit. A zero length value indicates the agent doesn't have any additional information.
x25CallParmTable	1.3.6.1.4.1.434.2.2.4.5.7		not-accessible	These objects contain the parameters that can be varied between X.25 calls. The entries in this table are independent of the PLE. There exists only one of these tables for the entire system. The indexes for the entries are independent of any PLE or any circuit. Other tables reference entries in this table. Entries in this table can be used for default PLE parameters, for parameters to use to place/answer a call, for the parameters currently in use for a circuit, or parameters that were used by a circuit. The number of references to a given set of parameters can be found in the x25CallParmRefCount object sharing the same instance identifier with the parameters. The value of this reference count also affects the access of the objects in this table. An object in this table with the same instance identifier as the instance identifier of an x25CallParmRefCount must be consider associated with that reference count. An object with an associated reference count of zero can be written (if its ACCESS clause allows it). An object with an associated reference count greater than zero can not be written (regardless of the ACCESS clause). This ensures that a set of call parameters being referenced from another table can not be modified or changed in a ways inappropriate for continued use by that table.
x25CallParmEntry	1.3.6.1.4.1.434.2.2.4.5.7.1		not-accessible	Entries of x25CallParmTable.
NUM x25CallParmIndex	1.3.6.1.4.1.434.2.2.4.5.7.1.1	PositiveInteger	read-only	A value that distinguishes this entry from another entry. Entries in this table are referenced from other objects which identify call parameters. It is impossible to know which other objects in the MIB reference entries in the table by looking at this table. Because of this, changes to parameters must be accomplished by creating a new entry in this table and then changing the referencing table to identify the new entry. Note that an agent will only use the values in this table when another table is changed to reference those values. The number of other tables that reference an index object in this table can be found in x25CallParmRefCount. The value of the reference count will affect the writability of the objects as explained above. Entries in this table which have a reference count of zero maybe deleted at the convence of the agent. Care should be taken by the agent to give the NMS sufficient time to create a reference to newly created entries. Should a Management Station not find a free index with which to create a new entry, it may feel free to delete entries with a reference count of zero. However in doing so the Management Station much realize it may impact other Management Stations.
ENT x25CallParmStatus	1.3.6.1.4.1.434.2.2.4.5.7.1.2	EntryStatus	read-write	The status of this call parameter entry. See RFC 1271 for details of usage.
NUM x25CallParmRefCount	1.3.6.1.4.1.434.2.2.4.5.7.1.3	PositiveInteger	read-only	The number of references know by a management station to exist to this set of call parameters. This is the number of other objects that have returned a value of, and will return a value of, the index for this set of call parameters. Examples of such objects are the x25AdmnDefCallParamId, x25OperDataLinkId, or x25AdmnDefCallParamId objects defined above.
INT x25CallParmInPacketSize	1.3.6.1.4.1.434.2.2.4.5.7.1.4	INTEGER	read-write	The maximum receive packet size in octets for a circuit. A size of zero for a circuit means use the PLE default size. A size of zero for the PLE means use a default size of 128.
INT x25CallParmOutPacketSize	1.3.6.1.4.1.434.2.2.4.5.7.1.5	INTEGER	read-write	The maximum transmit packet size in octets for a circuit. A size of zero for a circuit means use the PLE default size. A size of zero for the PLE default means use a default size of 128.
INT x25CallParmInWindowSize	1.3.6.1.4.1.434.2.2.4.5.7.1.6	INTEGER	read-write	The receive window size for a circuit. A size of zero for a circuit means use the PLE default size. A size of zero for the PLE default means use 2.
INT x25CallParmOutWindowSize	1.3.6.1.4.1.434.2.2.4.5.7.1.7	INTEGER	read-write	The transmit window size for a circuit. A size of zero for a circuit means use the PLE default size. A size of zero for the PLE default means use 2.
INT x25CallParmAcceptReverseCharging	1.3.6.1.4.1.434.2.2.4.5.7.1.8	INTEGER	read-write	An enumeration defining if the PLE will accept or refuse charges. A value of default for a circuit means use the PLE default value. A value of neverAccept is only used for the PLE default and indicates the PLE will never accept reverse charging. A value of default for a PLE default means refuse.
INT x25CallParmProposeReverseCharging	1.3.6.1.4.1.434.2.2.4.5.7.1.9	INTEGER	read-write	An enumeration defining if the PLE should propose reverse or local charging. The value of default for a circuit means use the PLE default. The value of default for the PLE default means use local.
INT x25CallParmFastSelect	1.3.6.1.4.1.434.2.2.4.5.7.1.10	INTEGER	read-write	Expresses preference for use of fast select facility. The value of default for a circuit is the PLE default. A value of default for the PLE means noFastSelect. A value of noFastSelect or noRestrictedFastResponse indicates a circuit may not use fast select or restricted fast response.
INT x25CallParmInThruPutClasSize	1.3.6.1.4.1.434.2.2.4.5.7.1.11	INTEGER	read-write	The incoming throughput class to negotiate. A value of tcDefault for a circuit means use the PLE default. A value of tcDefault for the PLE default means tcNone. A value of tcNone means do not negotiate throughtput class.
INT x25CallParmOutThruPutClasSize	1.3.6.1.4.1.434.2.2.4.5.7.1.12	INTEGER	read-write	The outgoing throughput class to negotiate. A value of tcDefault for a circuit means use the PLE default. A value of tcDefault for the PLE default means use tcNone. A value of tcNone means do not negotiate throughtput class.
STR x25CallParmCug	1.3.6.1.4.1.434.2.2.4.5.7.1.13	DisplayString	read-write	The Closed User Group to specify. This consists of two or four octets containing the characters 0 through 9. A zero length string indicates no facility requested. A string length of three containing the characters DEF for a circuit means use the PLE default, (the PLE default parameter may not reference an entry of DEF.)
STR x25CallParmCugoa	1.3.6.1.4.1.434.2.2.4.5.7.1.14	DisplayString	read-write	The Closed User Group with Outgoing Access to specify. This consists of two or four octets containing the characters 0 through 9. A string length of three containing the characters DEF for a circuit means use the PLE default (the PLE default parameters may not reference an entry of DEF). A zero length string indicates no facility requested.
STR x25CallParmBcug	1.3.6.1.4.1.434.2.2.4.5.7.1.15	DisplayString	read-write	The Bilateral Closed User Group to specify. This consists of two octets containing the characters 0 through 9. A string length of three containing the characters DEF for a circuit means use the PLE default (the PLE default parameter may not reference an entry of DEF). A zero length string indicates no facility requested.
OCT x25CallParmNui	1.3.6.1.4.1.434.2.2.4.5.7.1.16	OCTET STRING	read-write	The Network User Identifier facility. This is binary value to be included immediately after the length field. The PLE will supply the length octet. A zero length string indicates no facility requested. This value is ignored for the PLE default parameters entry.
INT x25CallParmChargingInfo	1.3.6.1.4.1.434.2.2.4.5.7.1.17	INTEGER	read-write	The charging Information facility. A value of default for a circuit means use the PLE default. The value of default for the default PLE parameters means use noFacility. The value of noFacility means do not include a facility.
STR x25CallParmRpoa	1.3.6.1.4.1.434.2.2.4.5.7.1.18	DisplayString	read-write	The RPOA facility. The octet string contains n * 4 sequences of the characters 0-9 to specify a facility with n entries. The octet string containing the 3 characters DEF for a circuit specifies use of the PLE default (the entry for the PLE default may not contain DEF). A zero length string indicates no facility requested.
INT x25CallParmTrnstDly	1.3.6.1.4.1.434.2.2.4.5.7.1.19	INTEGER	read-write	The Transit Delay Selection and Indication value. A value of 65536 indicates no facility requested. A value of 65537 for a circuit means use the PLE default (the PLE default parameters entry may not use the value 65537). The value 65535 may only be used to indicate the value in use by a circuit.
STR x25CallParmCallingExt	1.3.6.1.4.1.434.2.2.4.5.7.1.20	DisplayString	read-write	The Calling Extension facility. This contains one of the following: A sequence of hex digits with the value to be put in the facility. These digits will be converted to binary by the agent and put in the facility. These octets do not include the length octet. A value containing the three character DEF for a circuit means use the PLE default, (the entry for the PLE default parameters may not use the value DEF). A zero length string indicates no facility requested.
STR x25CallParmCalledExt	1.3.6.1.4.1.434.2.2.4.5.7.1.21	DisplayString	read-write	The Called Extension facility. This contains one of the following: A sequence of hex digits with the value to be put in the facility. These digits will be converted to binary by the agent and put in the facility. These octets do not include the length octet. A value containing the three character DEF for a circuit means use the PLE default, (the entry for the PLE default parameters may not use the value DEF). A zero length string indicates no facility requested.
INT x25CallParmInMinThuPutCls	1.3.6.1.4.1.434.2.2.4.5.7.1.22	INTEGER	read-write	The minimum input throughput Class. A value of 16 for a circuit means use the PLE default (the PLE parameters entry may not use this value). A value of 17 indicates no facility requested.
INT x25CallParmOutMinThuPutCls	1.3.6.1.4.1.434.2.2.4.5.7.1.23	INTEGER	read-write	The minimum output throughput Class. A value of 16 for a circuit means use the PLE default (the PLE parameters entry may not use this value). A value of 17 indicates no facility requested.
OCT x25CallParmEndTrnsDly	1.3.6.1.4.1.434.2.2.4.5.7.1.24	OCTET STRING	read-write	The End-to-End Transit Delay to negotiate. An octet string of length 2, 4, or 6 contains the facility encoded as specified in ISO/IEC 8208 section 15.3.2.4. An octet string of length 3 containing the three character DEF for a circuit means use the PLE default (the entry for the PLE default can not contain the characters DEF). A zero length string indicates no facility requested.
OCT x25CallParmPriority	1.3.6.1.4.1.434.2.2.4.5.7.1.25	OCTET STRING	read-write	The priority facility to negotiate. The octet string encoded as specified in ISO/IEC 8208 section 15.3.2.5. A zero length string indicates no facility requested. The entry for the PLE default parameters must be zero length.
STR x25CallParmProtection	1.3.6.1.4.1.434.2.2.4.5.7.1.26	DisplayString	read-write	A string contains the following: A hex string containing the value for the protection facility. This will be converted from hex to the octets actually in the packet by the agent. The agent will supply the length field and the length octet is not contained in this string. An string containing the 3 characters DEF for a circuit means use the PLE default (the entry for the PLE default parameters may not use the value DEF). A zero length string mean no facility requested.
INT x25CallParmExptData	1.3.6.1.4.1.434.2.2.4.5.7.1.27	INTEGER	read-write	The Expedited Data facility to negotiate. A value of default for a circuit means use the PLE default value. The entry for the PLE default parameters may not have the value default.
OCT x25CallParmUserData	1.3.6.1.4.1.434.2.2.4.5.7.1.28	OCTET STRING	read-write	The call user data as placed in the packet. A zero length string indicates no call user data. If both the circuit call parameters and the PLE default have call user data defined, the data from the circuit call parameters will be used. If only the PLE has data defined, the PLE entry will be used. If neither the circuit call parameters or the PLE default entry has a value, no call user data will be sent.
OCT x25CallParmCallingNetworkFacilities	1.3.6.1.4.1.434.2.2.4.5.7.1.29	OCTET STRING	read-write	The calling network facilities. The facilities are encoded here exactly as encoded in the call packet. These facilities do not include the marker facility code. A zero length string in the entry for the parameter to use when establishing a circuit means use the PLE default. A zero length string in the entry for PLE default parameters indicates no default facilities.
OCT x25CallParmCalledNetworkFacilities	1.3.6.1.4.1.434.2.2.4.5.7.1.30	OCTET STRING	read-write	The called network facilities. The facilities are encoded here exactly as encoded in the call packet. These facilities do not include the marker facility code. A zero length string in the entry for the parameter to use when establishing a circuit means use the PLE default. A zero length string in the entry for PLE default parameters indicates no default facilities.

RFC description

Eicon X.25 protocol extension management for wide-area networking.

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RFC description