Huawei Quidway S9300 Configuration Manual page 277

Quidway S9300 Terabit Routing Switch
Configuration Guide - Ethernet
CIST RegRoot/IRPC
CIST RootPortId
BPDU-Protection
TC or TCN received
STP Converge Mode
Time since last TC received :0 days 3h:53m:43s
----[Port17(GigabitEthernet1/0/0)][FORWARDING]----
Port Protocol
Port Role
Port Priority
Port Cost(Dot1T )
Desg. Bridge/Port
Port Edged
Point-to-point
Transit Limit
Protection Type
PortTimes
BPDU Sent
BPDU Received
<CE2> display stp
-------[CIST Global Info][Mode MSTP]-------
CIST Bridge
Bridge Times
CIST Root/ERPC
CIST RegRoot/IRPC
CIST RootPortId
BPDU-Protection
TC or TCN received
STP Converge Mode
Time since last TC received :0 days 5h:29m:6s
----[Port17(GigabitEthernet1/0/0)][FORWARDING]----
Port Protocol
Port Role
Port Priority
Port Cost(Dot1T )
Desg. Bridge/Port
Port Edged
Point-to-point
Transit Limit
Protection Type
PortTimes
BPDU Sent
BPDU Received
Run the display stp command on CE3 and CE4 to view the roots in the MST region. You can
find that a spanning tree is calculated between CE3 and CE4. GE 1/0/0 of CE3 is a root port,
and CE 1/0/0 of CE4 is a designated port.
<CE3> display stp
-------[CIST Global Info][Mode MSTP]-------
CIST Bridge
Bridge Times
CIST Root/ERPC
CIST RegRoot/IRPC
CIST RootPortId
BPDU-Protection
TC or TCN received
STP Converge Mode
Time since last TC received :0 days 3h:57m:0s
----[Port17(GigabitEthernet1/0/0)][FORWARDING]----
Port Protocol
Port Role
Issue 03 (2009-08-20)
:32768.000b-09f0-1b91 / 0
:128.82
:disabled
:2
:Fast
:enabled
:CIST Root Port
:128
:Config=auto / Active=199999
:32768.000b-09d4-b66c / 128.82
:Config=disabled / Active=disabled
:Config=auto / Active=true
:3 packets/hello-time
:None
:Hello 2s MaxAge 20s FwDly 15s RemHop 0
:237
TCN: 0, Config: 0, RST: 0, MST: 237
:9607
TCN: 0, Config: 0, RST: 0, MST: 9607
:32768.000b-09d4-b66c
:Hello 2s MaxAge 20s FwDly 15s MaxHop 20
:32768.000b-09d4-b66c / 0
:32768.000b-09d4-b66c / 0
:0.0
:disabled
:1
:Fast
:enabled
:CIST Designated Port
:128
:Config=auto / Active=199999
:32768.000b-09d4-b66c / 128.82
:Config=disabled / Active=disabled
:Config=auto / Active=true
:3 packets/hello-time
:None
:Hello 2s MaxAge 20s FwDly 15s RemHop 0
:7095
TCN: 0, Config: 0, RST: 0, MST: 7095
:2
TCN: 0, Config: 0, RST: 0, MST: 2
:32768.00e0-fc9f-3257
:Hello 2s MaxAge 20s FwDly 15s MaxHop 20
:32768.00e0-fc9a-4315 / 199999
:32768.00e0-fc9f-3257 / 0
:128.82
:disabled
:4
:Fast
:enabled
:CIST Root Port
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9 BPDU Tunnel Configuration
9-41