96
0 GigabitEthernet1/0/3 DESI FORWARDING NONE
0 GigabitEthernet1/0/4 DESI FORWARDING NONE
Table 23 display stp brief command output description
Field Description
MSTID MSTI ID in the MST region.
Port Port name, corresponding to each MSTI.
Role
Port role:
• ALTE—The port is an alternate port.
• BACK—The port is a backup port.
• ROOT—The port is a root port.
• DESI—The port is a designated port.
• MAST—The port is a master port.
• DISA—The port is disabled.
STP State
MSTP status on the port:
• FORWARDING—The port learns MAC addresses and forwards user traffic.
• DISCARDING—The port does not learn MAC addresses or forward user
traffic.
• LEARNING—The port learns MAC addresses but does not forward user
traffic.
Protection
Protection type on the port:
• ROOT—Root guard
• LOOP—Loop guard
• BPDU—BPDU guard
• NONE—No protection
# Display the MSTP status and statistics of all MSTIs on all ports.
<Sysname> display stp
-------[CIST Global Info][Mode MSTP]-------
CIST Bridge :32768.000f-e200-2200
Bridge Times :Hello 2s MaxAge 20s FwDly 15s MaxHop 20
CIST Root/ERPC :0.00e0-fc0e-6554 / 200200
CIST RegRoot/IRPC :32768.000f-e200-2200 / 0
CIST RootPortId :128.48
BPDU-Protection :disabled
Bridge Config-
Digest-Snooping :disabled
TC or TCN received :2
Time since last TC :0 days 0h:5m:42s
----[Port1(GigabitEthernet1/0/1)][FORWARDING]----
Port Protocol :enabled
Port Role :CIST Designated Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200
Desg. Bridge/Port :32768.000f-e200-2200 / 128.2
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