R0106-HP MSR Router Series Layer 2 - LAN Switching Command Reference(V7)

7
VLAN ID Port Role STP State Protection
2 GigabitEthernet2/1/1 ALTE DISCARDING LOOP
2 GigabitEthernet2/1/2 DESI FORWARDING NONE
2 GigabitEthernet2/1/3 DESI FORWARDING NONE
2 GigabitEthernet2/1/4 DESI FORWARDING NONE
Table 11 Command output
Field Descri
p
tion
MST ID MSTI ID in the MST region.
VLAN ID ID of the VLAN.
Port Port name, corresponding to each MSTI or VLAN.
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
Spanning tree status on the port:
• FORWARDING—The port can receive and send BPDUs and also forward user
traffic.
• DISCARDING—The port can receive and send BPDUs but cannot forward
user traffic.
• LEARNING—The port is in a transitional state. It can receive and send BPDUs
but cannot forward user traffic.
Protection
Protection type on the port:
• ROOT—Root guard.
• LOOP—Loop guard.
• BPDU—BPDU guard.
• NONE—No protection.
# In MSTP mode, display the detailed spanning tree status and statistics of all MSTIs on all ports.
<Sysname> display stp
-------[CIST Global Info][Mode MSTP]-------
Bridge ID : 32768.000f-e200-2200
Bridge times : Hello 2s MaxAge 20s FwdDelay 15s MaxHops 20
Root ID/ERPC : 0.00e0-fc0e-6554, 200200
RegRoot ID/IRPC : 32768.000f-e200-2200, 0
RootPort ID : 128.48
BPDU-Protection : Disabled
Bridge Config-
Digest-Snooping : Disabled
TC or TCN received : 2
Time since last TC : 0 days 0h:5m:42s
----[Port153(GigabitEthernet2/1/1)][FORWARDING]----