H3C Technologies H3C WX5500E Series Access Controllers - Manual (Page 194)

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Field Description
Point-to-point
Indicates whether the port is connected to a point-to-point link:
• Config—Indicates the configured value.
• Active—Indicates 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
Indicates whether digest snooping is enabled on the port.
Rapid transition Indicates 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 Indicates 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 173 , configure MSTP so that:
• All devices on the network are in the same MST region.