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If you specify an MSTI, this command displays the statistics of TC/TCN BPDUs received and sent by
all ports in the specified MSTI, in port name order.
In PVST mode, follow these guidelines:
If you do not specify any VLAN, this command displays the statistics of TC/TCN BPDUs received
and sent by all ports in all VLANs. The displayed information is sorted by VLAN ID and by port
name in each VLAN.
If you specify a VLAN, this command displays the statistics of TC/TCN BPDUs received and sent by
all ports in the specified VLAN, in port name order.
Syntax
display stp [ instance instance-id | vlan vlan-id ] tc [ slot slot-number ] [ | { begin | exclude | include }
regular-expression ]
View
Any view
Default level
0: Visit level
Parameters
instance instance-id: Displays the statistics of TC/TCN BPDUs received and sent by all ports in a
particular MSTI. The value of instance-id is in the range of 0 to 31, where 0 represents the CIST.
vlan vlan-id: Displays the statistics of TC/TCN BPDUs received and sent by all ports in the specified
VLAN, in the range of 1 to 4094.
slot slot-number: Displays the statistics of TC/TCN BPDUs received and sent by all ports on the specified
IRF member switch. slot-number represents the member number of the device in the IRF. If this keyword-
parameter combination is not specified, this command displays the statistics of TC/TCN BPDUs received
and sent by all ports on all IRF member switches.
|: Filters command output by specifying a regular expression. For more information about regular
expressions, see Fundamentals Configuration Guide.
begin: Displays the first line that matches the specified regular expression and all lines that follow.
exclude: Displays all lines that do not match the specified regular expression.
include: Displays all lines that match the specified regular expression.
regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.
Examples
# In MSTP mode, display the statistics of TC/TCN BPDUs received and sent by all ports on IRF member
switch 1 in MSTI 0.
<Sysname> display stp instance 0 tc slot 1
-------------- STP slot 1 TC or TCN count -------------
MSTID Port Receive Send
0 GigabitEthernet1/0/1 6 4
0 GigabitEthernet1/0/2 0 2
# In PVST mode, display the statistics of TC/TCN BPDUs received and sent by all ports on IRF member
switch 1 in VLAN 2.
<Sysname> system-view
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