Wireshark · Display Filter Reference: Building Automation and Control Network NPDU

Field name	Description	Type	Versions
bacnet.control	Control	Unsigned integer (8 bits)	1.0.0 to 4.4.2
bacnet.control_dest	Destination Specifier	Boolean	1.0.0 to 4.4.2
bacnet.control_expect	Expecting Reply	Boolean	1.0.0 to 4.4.2
bacnet.control_net	NSDU contains	Boolean	1.0.0 to 4.4.2
bacnet.control_prio_high	Priority	Boolean	1.0.0 to 4.4.2
bacnet.control_prio_low	Priority	Boolean	1.0.0 to 4.4.2
bacnet.control_res1	Reserved	Boolean	1.0.0 to 4.4.2
bacnet.control_res2	Reserved	Boolean	1.0.0 to 4.4.2
bacnet.control_src	Source specifier	Boolean	1.0.0 to 4.4.2
bacnet.dadr_eth	Destination ISO 8802-3 MAC Address	Ethernet or other MAC address	1.0.0 to 4.4.2
bacnet.dadr_mstp	DADR	Unsigned integer (8 bits)	1.0.0 to 4.4.2
bacnet.dadr_tmp	Unknown Destination MAC	Byte sequence	1.0.0 to 4.4.2
bacnet.dlen	Destination MAC Layer Address Length	Unsigned integer (8 bits)	1.0.0 to 4.4.2
bacnet.dnet	Destination Network Address	Unsigned integer (16 bits)	1.0.0 to 4.4.2
bacnet.hopc	Hop Count	Unsigned integer (8 bits)	1.0.0 to 4.4.2
bacnet.is_challanged_message	Message is challanged message	Boolean	2.6.0 to 3.2.18
bacnet.is_challenged_message	Message is challenged message	Boolean	3.4.0 to 4.4.2
bacnet.mesgtyp	Network Layer Message Type	Unsigned integer (8 bits)	1.0.0 to 4.4.2
bacnet.netno_status	Network number status (enumerated)	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.perf	Performance Index	Unsigned integer (8 bits)	1.0.0 to 4.4.2
bacnet.pinfo	Port Inf	Byte sequence	2.0.0 to 4.4.2
bacnet.pinfolen	Port Info Length	Unsigned integer (8 bits)	1.0.0 to 4.4.2
bacnet.portid	Port ID	Unsigned integer (8 bits)	1.0.0 to 4.4.2
bacnet.rejectreason	Reject Reason	Unsigned integer (8 bits)	1.0.0 to 4.4.2
bacnet.rportnum	Number of Port Mappings	Unsigned integer (8 bits)	1.0.0 to 4.4.2
bacnet.sadr_eth	SADR	Ethernet or other MAC address	1.0.0 to 4.4.2
bacnet.sadr_mstp	SADR	Unsigned integer (8 bits)	1.0.0 to 4.4.2
bacnet.sadr_tmp	Unknown Source MAC	Byte sequence	1.0.0 to 4.4.2
bacnet.security_distribution_key_algorithm	Security Keyset 2 Algorithm	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.security_distribution_key_data	Security Keyset 2 Key Data	Byte sequence	2.6.0 to 4.4.2
bacnet.security_distribution_key_id	Security Keyset 2 Key ID	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.security_distribution_key_revision	Security Distribution Key Revision	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.security_master_key_algorithm	Security Master Key Algorithm	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.security_master_key_data	Security Master Key Data	Byte sequence	2.6.0 to 4.4.2
bacnet.security_master_key_id	Security Master Key ID	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.security_message_length	Security Message Length	Unsigned integer (16 bits)	2.6.0 to 4.4.2
bacnet.security_original_message_id	Security Original Message Id	Unsigned integer (32 bits)	2.6.0 to 4.4.2
bacnet.security_original_time_stamp	Security Original Message Timestamp	Date and time	2.6.0 to 4.4.2
bacnet.security_response_code	Security Response Code	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.security_response_expected_time_stamp	Security Expected Timestamp	Date and time	2.6.0 to 4.4.2
bacnet.security_response_key_algorithm	Security Response Key Algorithm	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.security_response_key_id	Security Response Key ID	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.security_response_key_revision	Security Response Key Revision	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.security_response_number_of_keys	Security Response Number Of Keys	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.security_response_original_authentication_mechanism	Security Response Original Authentication Mechanism	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.security_response_vendor_id	Security Response Vendor ID	Unsigned integer (16 bits)	2.6.0 to 4.4.2
bacnet.security_set1_activation_time_stamp	Security Set 1 Activation Timestamp	Date and time	2.6.0 to 4.4.2
bacnet.security_set1_expiration_time_stamp	Security Set 1 Expiration Timestamp	Date and time	2.6.0 to 4.4.2
bacnet.security_set1_key_algorithm	Security Keyset 1 Algorithm	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.security_set1_key_data	Security Keyset 1 Key Data	Byte sequence	2.6.0 to 4.4.2
bacnet.security_set1_key_id	Security Keyset 1 Key ID	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.security_set1_key_revision	Security Set 1 Key Revision	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.security_set2_activation_time_stamp	Security Set 2 Activation Timestamp	Date and time	2.6.0 to 4.4.2
bacnet.security_set2_expiration_time_stamp	Security Set 2 Expiration Timestamp	Date and time	2.6.0 to 4.4.2
bacnet.security_set2_key_algorithm	Security Keyset 2 Algorithm	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.security_set2_key_data	Security Keyset 2 Key Data	Byte sequence	2.6.0 to 4.4.2
bacnet.security_set2_key_id	Security Keyset 2 Key ID	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.security_set2_key_revision	Security Set 2 Key Revision	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.slen	Source MAC Layer Address Length	Unsigned integer (8 bits)	1.0.0 to 4.4.2
bacnet.snet	Source Network Address	Unsigned integer (16 bits)	1.0.0 to 4.4.2
bacnet.term_time_value	Termination Time Value (seconds)	Unsigned integer (8 bits)	1.0.0 to 4.4.2
bacnet.update_control	Update control	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.update_control_more_keys_follow	Key Update Control More Keys Follow	Boolean	2.6.0 to 4.4.2
bacnet.update_control_remove_keys	Key Update Control Remove Keys	Boolean	2.6.0 to 4.4.2
bacnet.update_control_set1_clear	Key Update Control Set 1 Clear	Boolean	2.6.0 to 4.4.2
bacnet.update_control_set1_params_present	Key Update Control Set 1 Params Present	Boolean	2.6.0 to 4.4.2
bacnet.update_control_set1_time_present	Key Update Control Set 1 Time Present	Boolean	2.6.0 to 4.4.2
bacnet.update_control_set2_clear	Key Update Control Set 2 Clear	Boolean	2.6.0 to 4.4.2
bacnet.update_control_set2_params_present	Key Update Control Set 2 Params Present	Boolean	2.6.0 to 4.4.2
bacnet.update_control_set2_time_present	Key Update Control Set 2 Time Present	Boolean	2.6.0 to 4.4.2
bacnet.vendor	Vendor ID	Unsigned integer (16 bits)	1.0.0 to 4.4.2
bacnet.version	Version	Unsigned integer (8 bits)	1.0.0 to 4.4.2
bacnet.wrapper_auth_data	Wrapper Authentication Data	Byte sequence	2.6.0 to 4.4.2
bacnet.wrapper_auth_len	Wrapper Authentication Length	Unsigned integer (16 bits)	2.6.0 to 4.4.2
bacnet.wrapper_auth_mech	Wrapper Authentication Mechanism	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.wrapper_auth_usr_id	Wrapper Authentication User Id	Unsigned integer (16 bits)	2.6.0 to 4.4.2
bacnet.wrapper_auth_usr_role	Wrapper Authentication User Role	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.wrapper_dadr	Wrapper Destination MAC	Byte sequence	2.6.0 to 4.4.2
bacnet.wrapper_dlen	Wrapper Destination MAC Layer Address Length	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.wrapper_dnet	Wrapper Destination Network Address	Unsigned integer (16 bits)	2.6.0 to 4.4.2
bacnet.wrapper_dst_device_instance	Wrapper Destination Device Instance	Unsigned integer (24 bits)	2.6.0 to 4.4.2
bacnet.wrapper_encrypted_data	Wrapper Encrypted Data	Byte sequence	2.6.0 to 4.4.2
bacnet.wrapper_key_identifier	Wrapper Key Identifier	Unsigned integer (16 bits)	2.6.0 to 4.4.2
bacnet.wrapper_key_revision	Wrapper Key Revision	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.wrapper_msg_id	Wrapper Message Id	Unsigned integer (32 bits)	2.6.0 to 4.4.2
bacnet.wrapper_sadr	Wrapper Source MAC	Byte sequence	2.6.0 to 4.4.2
bacnet.wrapper_signature	Wrapper Signature	Byte sequence	2.6.0 to 4.4.2
bacnet.wrapper_slen	Wrapper Source MAC Layer Address Length	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.wrapper_snet	Wrapper Source Network Address	Unsigned integer (16 bits)	2.6.0 to 4.4.2
bacnet.wrapper_src_device_instance	Wrapper Source Device Instance	Unsigned integer (24 bits)	2.6.0 to 4.4.2
bacnet.wrapper_time_stamp	Wrapper Message Timestamp	Date and time	2.6.0 to 4.4.2
bacnet.wrappercontrol	Wrapper control	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bacnet.wrappercontrol_auth_data_present	Authentication data present	Boolean	2.6.0 to 4.4.2
bacnet.wrappercontrol_do_not_decrypt	Do not decrypt	Boolean	2.6.0 to 4.4.2
bacnet.wrappercontrol_do_not_unwrap	Do not unwrap	Boolean	2.6.0 to 4.4.2
bacnet.wrappercontrol_msg_is_crypted	Message is encrypted message	Boolean	2.6.0 to 4.4.2
bacnet.wrappercontrol_msg_is_netlayer	Message is networklayer message	Boolean	2.6.0 to 4.4.2
bacnet.wrappercontrol_non_trusted_source	Non trusted source	Boolean	2.6.0 to 4.4.2
bacnet.wrappercontrol_reserved	Reserved	Boolean	2.6.0 to 4.4.2
bacnet.wrappercontrol_secured_by_router	Secured by router	Boolean	2.6.0 to 4.4.2