Wireshark · Display Filter Reference: Token-Ring Media Access Control

Field name	Description	Type	Versions
trmac.assign_physical_drop_number	Assign Physical Drop Number	Unsigned integer (32 bits)	1.12.0 to 4.4.2
trmac.authorized_access_priority	Authorized Access Priority	Unsigned integer (16 bits)	1.12.0 to 4.4.2
trmac.authorized_function_classes	Authorized Function Classes	Unsigned integer (16 bits)	1.12.0 to 4.4.2
trmac.beacon_type	Beacon Type	Unsigned integer (16 bits)	1.12.0 to 4.4.2
trmac.correlator	Correlator	Unsigned integer (16 bits)	1.12.0 to 4.4.2
trmac.dstclass	Destination Class	Unsigned integer (8 bits)	1.0.0 to 4.4.2
trmac.error_code	Error Code	Unsigned integer (16 bits)	1.12.0 to 4.4.2
trmac.error_report_timer_value	Error Report Timer Value	Unsigned integer (16 bits)	1.12.0 to 4.4.2
trmac.errors.abort	Abort Delimiter Transmitted Errors	Unsigned integer (8 bits)	1.0.0 to 4.4.2
trmac.errors.ac	A/C Errors	Unsigned integer (8 bits)	1.0.0 to 4.4.2
trmac.errors.burst	Burst Errors	Unsigned integer (8 bits)	1.0.0 to 4.4.2
trmac.errors.congestion	Receiver Congestion Errors	Unsigned integer (8 bits)	1.0.0 to 4.4.2
trmac.errors.fc	Frame-Copied Errors	Unsigned integer (8 bits)	1.0.0 to 4.4.2
trmac.errors.freq	Frequency Errors	Unsigned integer (8 bits)	1.0.0 to 4.4.2
trmac.errors.internal	Internal Errors	Unsigned integer (8 bits)	1.0.0 to 4.4.2
trmac.errors.iso	Isolating Errors	Unsigned integer (16 bits)	1.0.0 to 4.4.2
trmac.errors.line	Line Errors	Unsigned integer (8 bits)	1.0.0 to 4.4.2
trmac.errors.lost	Lost Frame Errors	Unsigned integer (8 bits)	1.0.0 to 4.4.2
trmac.errors.noniso	Non-Isolating Errors	Unsigned integer (16 bits)	1.0.0 to 4.4.2
trmac.errors.token	Token Errors	Unsigned integer (8 bits)	1.0.0 to 4.4.2
trmac.frame_forward	Frame Forward	Byte sequence	2.0.0 to 4.4.2
trmac.functional_addresses	Functional Addresses	Unsigned integer (32 bits)	1.12.0 to 4.4.2
trmac.group_addres32s	Group Address	Unsigned integer (32 bits)	2.2.0 to 4.2.9
trmac.group_address	Group Address	Unsigned integer (32 bits)	1.12.0 to 2.0.16
trmac.group_address32s	Group Address	Unsigned integer (32 bits)	4.4.0 to 4.4.2
trmac.group_address_ether	Group Address	Ethernet or other MAC address	2.2.0 to 4.4.2
trmac.individual_address_count	Individual Address Count	Unsigned integer (16 bits)	1.12.0 to 4.4.2
trmac.length	Total Length	Unsigned integer (16 bits)	1.0.0 to 4.4.2
trmac.local_ring_number	Local Ring Number	Unsigned integer (16 bits)	1.12.0 to 4.4.2
trmac.mvec	Major Vector	Unsigned integer (8 bits)	1.0.0 to 4.4.2
trmac.naun	Upstream Neighbor's Address	Ethernet or other MAC address	1.0.0 to 4.4.2
trmac.physical_drop_number	Physical Drop Number	Unsigned integer (32 bits)	1.12.0 to 4.4.2
trmac.product_instance_id	Product Instance ID	Byte sequence	2.0.0 to 4.4.2
trmac.response_code	Response Code	Unsigned integer (32 bits)	2.0.0 to 4.4.2
trmac.response_code48	Response Code	Unsigned integer (64 bits)	2.2.0 to 4.4.2
trmac.ring_station_status	Ring Station Status	Byte sequence	2.0.0 to 4.4.2
trmac.ring_station_version_number	Ring Station Version Number	Byte sequence	2.0.0 to 4.4.2
trmac.sa_of_last_amp_or_smp_frame	SA of Last AMP or SMP Frame	Ethernet or other MAC address	1.12.0 to 4.4.2
trmac.srcclass	Source Class	Unsigned integer (8 bits)	1.0.0 to 4.4.2
trmac.station_identifier	Station Identifier	Ethernet or other MAC address	1.12.0 to 4.4.2
trmac.svec	Sub-Vector	Unsigned integer (8 bits)	1.0.0 to 1.8.15
trmac.svec.id	Subvector Identifier	Unsigned integer (8 bits)	1.10.0 to 4.4.2
trmac.svec.len	Subvector Length	Unsigned integer (8 bits)	1.10.0 to 4.4.2
trmac.svec.len.invalid	Invalid length	Label	1.12.0 to 4.4.2
trmac.transmit_status_code	Transmit Status Code	Unsigned integer (16 bits)	1.12.0 to 4.4.2
trmac.unknown_subvector	Unknown Subvector	Byte sequence	2.0.0 to 4.4.2
trmac.wrap_data	Wrap Data	Byte sequence	2.0.0 to 4.4.2