Wireshark · Display Filter Reference: Spanning Tree Protocol

Field name	Description	Type	Versions
bpdu.agreement_digest_convention_capabilities	Agreement Digest Convention Capabilities	Unsigned integer (8 bits)	2.0.0 to 4.4.2
bpdu.agreement_digest_convention_id	Agreement Digest Convention Id	Unsigned integer (8 bits)	2.0.0 to 4.4.2
bpdu.agreement_digest_edge_count	Agreement Digest Edge Count	Unsigned integer (16 bits)	2.0.0 to 4.4.2
bpdu.agreement_digest_format_capabilities	Agreement Digest Format Capabilities	Unsigned integer (8 bits)	2.0.0 to 4.4.2
bpdu.agreement_digest_format_id	Agreement Digest Format Id	Unsigned integer (8 bits)	2.0.0 to 4.4.2
bpdu.version_support	This version of Wireshark only knows about versions 0, 2, 3 & 4	Label	2.0.0 to 4.4.2
mstp.agree_flags.agreement_num	Agreement Number	Unsigned integer (8 bits)	1.10.0 to 4.4.2
mstp.agree_flags.agreement_valid	Agreement Valid Flag	Boolean	1.10.0 to 4.4.2
mstp.agree_flags.dagreement_num	Disagreement Number	Unsigned integer (8 bits)	1.10.0 to 4.4.2
mstp.agree_flags.rest_role	Restricted Role	Boolean	1.10.0 to 4.4.2
mstp.agreement_digest	Agreement Digest	Byte sequence	1.10.0 to 4.4.2
mstp.cist_bridge.ext	CIST Bridge Identifier System ID Extension	Unsigned integer (16 bits)	1.2.0 to 4.4.2
mstp.cist_bridge.hw	CIST Bridge Identifier System ID	Ethernet or other MAC address	1.0.0 to 4.4.2
mstp.cist_bridge.prio	CIST Bridge Priority	Unsigned integer (16 bits)	1.2.0 to 4.4.2
mstp.cist_internal_root_path_cost	CIST Internal Root Path Cost	Unsigned integer (32 bits)	1.0.0 to 4.4.2
mstp.cist_remaining_hops	CIST Remaining hops	Unsigned integer (8 bits)	1.0.0 to 4.4.2
mstp.config_digest	MST Config digest	Byte sequence	1.0.0 to 4.4.2
mstp.config_format_selector	MST Config ID format selector	Unsigned integer (8 bits)	1.0.0 to 4.4.2
mstp.config_name	MST Config name	Character string	1.0.0 to 4.4.2
mstp.config_revision_level	MST Config revision	Unsigned integer (16 bits)	1.0.0 to 4.4.2
mstp.msti.bridge_id	MSTI Bridge Identifier	Unsigned integer (16 bits)	2.0.0 to 4.4.2
mstp.msti.bridge_id_mac	MSTI Bridge MAC	Ethernet or other MAC address	2.0.0 to 4.4.2
mstp.msti.bridge_id_priority	MSTI Bridge Priority	Unsigned integer (16 bits)	2.0.0 to 4.4.2
mstp.msti.bridge_priority	Bridge Identifier Priority	Unsigned integer (8 bits)	1.0.0 to 4.4.2
mstp.msti.flags	MSTI flags	Unsigned integer (8 bits)	1.0.0 to 4.4.2
mstp.msti.msti_id	MSTID	Unsigned integer (16 bits)	2.0.0 to 4.4.2
mstp.msti.port	Port identifier	Unsigned integer (16 bits)	1.0.0 to 4.4.2
mstp.msti.port_priority	Port identifier priority	Unsigned integer (8 bits)	1.0.0 to 4.4.2
mstp.msti.priority	Priority	Unsigned integer (8 bits)	2.0.0 to 4.4.2
mstp.msti.regional_root_id	MSTI Regional Root Identifier	Unsigned integer (16 bits)	2.0.0 to 4.4.2
mstp.msti.remaining_hops	Remaining hops	Unsigned integer (8 bits)	1.0.0 to 4.4.2
mstp.msti.root.hw	Regional Root	Ethernet or other MAC address	1.0.0 to 4.4.2
mstp.msti.root_cost	Internal root path cost	Unsigned integer (32 bits)	1.0.0 to 4.4.2
mstp.version_3_length	Version 3 Length	Unsigned integer (16 bits)	1.0.0 to 4.4.2
mstp.version_4_length	Version 4 Length	Unsigned integer (16 bits)	1.10.0 to 4.4.2
stp.bridge.ext	Bridge System ID Extension	Unsigned integer (16 bits)	1.2.0 to 4.4.2
stp.bridge.hw	Bridge System ID	Ethernet or other MAC address	1.0.0 to 4.4.2
stp.bridge.prio	Bridge Priority	Unsigned integer (16 bits)	1.2.0 to 4.4.2
stp.flags	BPDU flags	Unsigned integer (8 bits)	1.0.0 to 4.4.2
stp.flags.agreement	Agreement	Boolean	1.0.0 to 4.4.2
stp.flags.forwarding	Forwarding	Boolean	1.0.0 to 4.4.2
stp.flags.learning	Learning	Boolean	1.0.0 to 4.4.2
stp.flags.port_role	Port Role	Unsigned integer (8 bits)	1.0.0 to 4.4.2
stp.flags.proposal	Proposal	Boolean	1.0.0 to 4.4.2
stp.flags.tc	Topology Change	Boolean	1.0.0 to 4.4.2
stp.flags.tcack	Topology Change Acknowledgment	Boolean	1.0.0 to 4.4.2
stp.forward	Forward Delay	Floating point (double-precision)	1.0.0 to 4.4.2
stp.hello	Hello Time	Floating point (double-precision)	1.0.0 to 4.4.2
stp.max_age	Max Age	Floating point (double-precision)	1.0.0 to 4.4.2
stp.msg_age	Message Age	Floating point (double-precision)	1.0.0 to 4.4.2
stp.port	Port identifier	Unsigned integer (16 bits)	1.0.0 to 4.4.2
stp.protocol	Protocol Identifier	Unsigned integer (16 bits)	1.0.0 to 4.4.2
stp.pvst.origvlan	Originating VLAN	Unsigned integer (16 bits)	1.12.0 to 4.4.2
stp.pvst.origvlan.missing	Originating (PVID) VLAN TLV is missing or corrupt	Label	1.12.0 to 4.4.2
stp.pvst.tlv.truncated	TLV record is truncated prematurely	Label	1.12.0 to 4.4.2
stp.pvst.tlv.unknown	TLV type is unknown	Label	1.12.0 to 4.4.2
stp.pvst.tlvlen	Length	Unsigned integer (16 bits)	1.12.0 to 4.4.2
stp.pvst.tlvlen.invalid	Indicated length is not valid for this record type	Label	1.12.0 to 4.4.2
stp.pvst.tlvtype	Type	Unsigned integer (16 bits)	1.12.0 to 4.4.2
stp.pvst.tlvval	Value	Byte sequence	1.12.0 to 4.4.2
stp.root.cost	Root Path Cost	Unsigned integer (32 bits)	1.0.0 to 4.4.2
stp.root.ext	Root Bridge System ID Extension	Unsigned integer (16 bits)	1.2.0 to 4.4.2
stp.root.hw	Root Bridge System ID	Ethernet or other MAC address	1.0.0 to 4.4.2
stp.root.prio	Root Bridge Priority	Unsigned integer (16 bits)	1.2.0 to 4.4.2
stp.type	BPDU Type	Unsigned integer (8 bits)	1.0.0 to 4.4.2
stp.type.unknown	Unknown BPDU type data	Label	2.0.0 to 4.4.2
stp.version	Protocol Version Identifier	Unsigned integer (8 bits)	1.0.0 to 4.4.2
stp.version_1_length	Version 1 Length	Unsigned integer (8 bits)	1.0.0 to 4.4.2