Wireshark · Display Filter Reference: BACnet Virtual Link Control

Field name	Description	Type	Versions
bvlc.bdt_ip	IP	IPv4 address	1.0.0 to 4.4.2
bvlc.bdt_mask	Mask	Byte sequence	1.0.0 to 4.4.2
bvlc.bdt_port	Port	Unsigned integer (16 bits)	1.0.0 to 4.4.2
bvlc.fdt_ip	IP	IPv4 address	1.0.0 to 4.4.2
bvlc.fdt_ipv6	IP	IPv6 address	2.6.0 to 4.4.2
bvlc.fdt_port	Port	Unsigned integer (16 bits)	1.0.0 to 4.4.2
bvlc.fdt_timeout	Timeout	Unsigned integer (16 bits)	1.0.0 to 4.4.2
bvlc.fdt_ttl	TTL	Unsigned integer (16 bits)	1.0.0 to 4.4.2
bvlc.function	Function	Unsigned integer (8 bits)	1.0.0 to 4.4.2
bvlc.function_ipv6	Function	Unsigned integer (8 bits)	2.6.0 to 4.4.2
bvlc.fwd_ip	IP	IPv4 address	1.0.0 to 4.4.2
bvlc.fwd_port	Port	Unsigned integer (16 bits)	1.0.0 to 4.4.2
bvlc.length	BVLC-Length	Unsigned integer (16 bits)	1.0.0 to 4.4.2
bvlc.orig_source_addr	IP	IPv6 address	2.6.0 to 4.4.2
bvlc.orig_source_port	Port	Unsigned integer (16 bits)	2.6.0 to 4.4.2
bvlc.reg_ttl	TTL	Unsigned integer (16 bits)	1.0.0 to 4.4.2
bvlc.result	Result	Unsigned integer (16 bits)	1.0.0 to 4.4.2
bvlc.type	Type	Unsigned integer (8 bits)	1.0.0 to 4.4.2
bvlc.virtual_dest	BVLC-Virtual-Destination	Unsigned integer (24 bits)	2.6.0 to 4.4.2
bvlc.virtual_source	BVLC-Virtual-Source	Unsigned integer (24 bits)	2.6.0 to 4.4.2