tion
Point-to-point
Whether the port is connected to a point-to-point link:
• Config—The configured value.
• Active—The actual value.
Transmit Limit Maximum number of packets sent within each Hello time.
Protection Type
Protection type on the port,:
• Root—Root guard
• Loop—Loop guard
• BPDU—BPDU guard
• None—No protection
MST BPDU Format
Format of the MST BPDUs that the port can send, which can be legacy or
802.1s. Config indicates the configured value, and Active indicates the
actual value.
Port Config-
Digest-Snooping
Whether digest snooping is enabled on the port.
Rapid transition Whether the current port rapidly transitions to the forwarding state.
Num of Vlans Mapped Number of VLANs mapped to the current MSTI.
PortTimes
Major parameters for the port:
• Hello—Hello timer
• MaxAge—Max Age timer
• FwDly—Forward delay timer
• MsgAge—Message Age timer
• Remain Hop—Remaining hops
BPDU Sent Statistics on sent BPDUs.
BPDU Received Statistics on received BPDUs.
Protocol Status Whether MSTP is enabled.
Protocol Std. MSTP standard.
Version MSTP version.
CIST Bridge-Prio. Priority of the current device in the CIST.
MAC address MAC address of the current device.
Max age(s) Maximum age of a configuration BPDU.
Forward delay(s) Port state transition delay, in seconds.
Hello time(s) Configuration BPDU transmission interval, in seconds.
Max hops Maximum hops of the current MST region.
MSTP configuration example
Network requirements
As shown in Figure 189, configure MSTP as follows: