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Field Description
Protection type
Whether spanning tree protection is configured on the port:
• Config—Configured spanning tree protection feature.
• Active—Effective spanning tree protection feature.
Spanning tree protection features are as follows:
• ROOT—Root guard.
• LOOP—Loop guard.
• BPDU—BPDU guard.
• PVST BPDU—PVST BPDU guard.
If no spanning tree protection feature is configured or spanning tree protection is not
triggered, this field displays
NONE
.
TC-Restriction Status of TC transmission restriction on the port.
Role-Restriction Status of port role restriction on the port.
MST BPDU format
Format of the MST BPDUs that the port can send:
• Config—Configured value (legacy or 802.1s).
• Active—Actual value (legacy or 802.1s).
Port Config-
Digest-Snooping
Status of Digest Snooping on the port.
Rapid transition
Indicates whether the port rapidly transits to the forwarding state in the MSTI or
VLAN.
Num of VLANs
mapped
Number of VLANs that are mapped to the MSTI.
Port times
Major parameters for the port:
• Hello—Hello timer.
• MaxAge—Maximum age timer.
• FwdDelay—Forward delay timer.
• MsgAge—Message age timer.
• RemHops—Remaining hops.
BPDU sent Statistics on sent BPDUs.
BPDU received Statistics on received BPDUs.
RegRoot ID/IRPC MSTI regional root/internal path cost.
Root Type
MSTI root type:
• Primary root.
• Secondary root.
Master bridge MSTI root bridge ID.
Cost to master Path cost from the MSTI to the master bridge.
TC received Number of received TC BPDUs.
Protocol status Spanning tree protocol status.
Protocol Std. Spanning tree protocol standard.
Version Spanning tree protocol version.
Bridge-Prio.
• In MSTP mode: Device's priority in the CIST.
• In PVST mode: Device's priority in VLAN 1.
Max age(s)
Aging timer for BPDUs (in seconds, which is the same as the aging timer for VLAN
1 in PVST mode).
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