Display Filter Reference: ISO 8073/X.224 COTP Connection-Oriented Transport Protocol
Protocol field name: cotp
Versions: 1.0.0 to 3.4.5
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| Field name | Description | Type | Versions |
|---|---|---|---|
| cotp.ack_time | Ack time (ms) | Unsigned integer, 2 bytes | 2.0.0 to 3.4.5 |
| cotp.atn_extended_checksum | ATN extended checksum | Unsigned integer, 2 bytes | 2.0.0 to 3.4.5 |
| cotp.atn_extended_checksum.status | ATN extended checksum Status | Unsigned integer, 1 byte | 2.4.0 to 3.4.5 |
| cotp.avg_throughput.min_accept_called_calling | Average throughput, minimum acceptable, called-calling (o/s) | Unsigned integer, 3 bytes | 2.0.0 to 3.4.5 |
| cotp.avg_throughput.min_accept_calling_called | Average throughput, minimum acceptable, calling-called (o/s) | Unsigned integer, 3 bytes | 2.0.0 to 3.4.5 |
| cotp.avg_throughput.targ_called_calling | Average throughput, target value, called-calling (o/s) | Unsigned integer, 3 bytes | 2.0.0 to 3.4.5 |
| cotp.avg_throughput.targ_calling_called | Average throughput, target value, calling-called (o/s) | Unsigned integer, 3 bytes | 2.0.0 to 3.4.5 |
| cotp.bad_checksum | Bad checksum | Label | 2.4.0 to 3.4.5 |
| cotp.cause | Cause | Unsigned integer, 1 byte | 2.0.0 to 3.4.5 |
| cotp.checksum | Checksum | Unsigned integer, 2 bytes | 2.0.0 to 3.4.5 |
| cotp.checksum.status | Checksum Status | Unsigned integer, 1 byte | 2.4.0 to 3.4.5 |
| cotp.class | Class | Unsigned integer, 1 byte | 1.2.0 to 3.4.5 |
| cotp.connection | Connection %s: 0x%x -> 0x%x | Label | 1.12.0 to 3.4.5 |
| cotp.credit | Credit | Unsigned integer, 2 bytes | 2.0.0 to 3.4.5 |
| cotp.destref | Destination reference | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| cotp.disconnect_confirm | Disconnect Confirm(DC): 0x%x -> 0x%x | Label | 1.12.0 to 3.4.5 |
| cotp.disconnect_request | Disconnect Request(DR): 0x%x -> 0x%x | Label | 1.12.0 to 3.4.5 |
| cotp.dst-tsap | Destination TSAP | Character string | 1.0.0 to 3.4.5 |
| cotp.dst-tsap-bytes | Destination TSAP | Sequence of bytes | 1.0.0 to 3.4.5 |
| cotp.eot | Last data unit | Boolean | 1.0.0 to 3.4.5 |
| cotp.inactivity_timer | Inactivity timer (ms) | Unsigned integer, 4 bytes | 2.0.0 to 3.4.5 |
| cotp.li | Length | Unsigned integer, 1 byte | 1.0.0 to 3.4.5 |
| cotp.lower_window_edge | Lower window edge | Unsigned integer, 4 bytes | 2.0.0 to 3.4.5 |
| cotp.max_throughput.min_accept_called_calling | Maximum throughput, minimum acceptable, called-calling (o/s) | Unsigned integer, 3 bytes | 2.0.0 to 3.4.5 |
| cotp.max_throughput.min_accept_calling_called | Maximum throughput, minimum acceptable, calling-called (o/s) | Unsigned integer, 3 bytes | 2.0.0 to 3.4.5 |
| cotp.max_throughput.targ_called_calling | Maximum throughput, target value, called-calling (o/s) | Unsigned integer, 3 bytes | 2.0.0 to 3.4.5 |
| cotp.max_throughput.targ_calling_called | Maximum throughput, target value, calling-called (o/s) | Unsigned integer, 3 bytes | 2.0.0 to 3.4.5 |
| cotp.multiple_tpdus | Multiple TPDUs in one packet | Label | 1.12.0 to 3.4.5 |
| cotp.network_expedited_data | Use of network expedited data | Boolean | 2.0.0 to 3.4.5 |
| cotp.next-tpdu-number | Your TPDU number | Unsigned integer, 1 byte | 1.0.0 to 3.4.5 |
| cotp.opts.extended_formats | Extended formats | Boolean | 1.2.0 to 3.4.5 |
| cotp.opts.no_explicit_flow_control | No explicit flow control | Boolean | 1.2.0 to 3.4.5 |
| cotp.parameter_code | Parameter code | Unsigned integer, 1 byte | 2.0.0 to 3.4.5 |
| cotp.parameter_length | Parameter length | Unsigned integer, 1 byte | 2.0.0 to 3.4.5 |
| cotp.parameter_value | Parameter value | Sequence of bytes | 2.0.0 to 3.4.5 |
| cotp.preferred_maximum_tpdu_size | Preferred maximum TPDU size | Unsigned integer, 4 bytes | 2.0.0 to 3.4.5 |
| cotp.preferred_maximum_tpdu_size.invalid | Preferred maximum TPDU size: bogus length | Label | 2.0.0 to 3.4.5 |
| cotp.reassembled.length | Reassembled COTP length | Unsigned integer, 4 bytes | 1.4.0 to 3.4.5 |
| cotp.reassembled_in | Reassembled COTP in frame | Frame number | 1.0.0 to 3.4.5 |
| cotp.reassignment_time | Reassignment time (secs) | Unsigned integer, 2 bytes | 2.0.0 to 3.4.5 |
| cotp.reject | Reject(RJ): -> 0x%x | Label | 1.12.0 to 3.4.5 |
| cotp.reject_cause | Reject cause | Unsigned integer, 1 byte | 2.0.0 to 3.4.5 |
| cotp.res_error_rate.min_accept | Residual error rate, minimum acceptable | Unsigned integer, 1 byte | 2.0.0 to 3.4.5 |
| cotp.res_error_rate.target_value | Residual error rate, target value | Unsigned integer, 1 byte | 2.0.0 to 3.4.5 |
| cotp.res_error_rate.tdsu | Residual error rate, TSDU size of interest | Unsigned integer, 1 byte | 2.0.0 to 3.4.5 |
| cotp.segment | COTP Segment | Frame number | 1.0.0 to 3.4.5 |
| cotp.segment.count | Segment count | Unsigned integer, 4 bytes | 1.6.0 to 3.4.5 |
| cotp.segment.error | Reassembly error | Frame number | 1.0.0 to 3.4.5 |
| cotp.segment.multipletails | Multiple tail segments found | Boolean | 1.0.0 to 3.4.5 |
| cotp.segment.overlap | Segment overlap | Boolean | 1.0.0 to 3.4.5 |
| cotp.segment.overlap.conflict | Conflicting data in segment overlap | Boolean | 1.0.0 to 3.4.5 |
| cotp.segment.toolongsegment | Segment too long | Boolean | 1.0.0 to 3.4.5 |
| cotp.segment_data | COTP segment data | Sequence of bytes | 2.0.0 to 3.4.5 |
| cotp.segments | COTP Segments | Label | 1.0.0 to 3.4.5 |
| cotp.sequence_number | Sequence number | Unsigned integer, 2 bytes | 2.0.0 to 3.4.5 |
| cotp.src-tsap | Source TSAP | Character string | 1.0.0 to 3.4.5 |
| cotp.src-tsap-bytes | Source TSAP | Sequence of bytes | 1.0.0 to 3.4.5 |
| cotp.srcref | Source reference | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| cotp.tpdu-number | TPDU number | Unsigned integer, 1 byte | 1.0.0 to 3.4.5 |
| cotp.tpdu_size | TPDU size | Unsigned integer, 1 byte | 2.0.0 to 3.4.5 |
| cotp.transit_delay.max_accept_called_calling | Transit delay, maximum acceptable, called-calling (ms) | Unsigned integer, 2 bytes | 2.0.0 to 3.4.5 |
| cotp.transit_delay.max_accept_calling_called | Transit delay, maximum acceptable, calling-called (ms) | Unsigned integer, 2 bytes | 2.0.0 to 3.4.5 |
| cotp.transit_delay.targ_called_calling | Transit delay, target value, called-calling (ms) | Unsigned integer, 2 bytes | 2.0.0 to 3.4.5 |
| cotp.transit_delay.targ_calling_called | Transit delay, target value, calling-called (ms) | Unsigned integer, 2 bytes | 2.0.0 to 3.4.5 |
| cotp.transport_expedited_data_transfer | Transport expedited data transfer | Boolean | 2.0.0 to 3.4.5 |
| cotp.type | PDU Type | Unsigned integer, 1 byte | 1.0.0 to 3.4.5 |
| cotp.use_16_bit_checksum | 16 bit checksum | Boolean | 2.0.0 to 3.4.5 |
| cotp.vp_opt_sel_class1_use | Use | Boolean | 2.0.0 to 3.4.5 |
| cotp.vp_priority | Priority | Unsigned integer, 2 bytes | 2.0.0 to 3.4.5 |
| cotp.vp_version_nr | Version | Unsigned integer, 1 byte | 2.0.0 to 3.4.5 |
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