54
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.
Description
Use
display stp root
to display the root bridge information of all MSTIs.
Examples
# In MSTP mode, display the root bridge information of all spanning trees.
<Sysname> display stp root
MSTID Root Bridge ID ExtPathCost IntPathCost Root Port
0 0.00e0-fc0e-6554 200200 0 GigabitEthernet1/0/1
Table 18
Command output
Field Description
ExtPathCost
External path cost. The device automatically calculates the default path cost of a port, or
alternatively, you can use the
stp cost
command to configure the path cost of a port.
IntPathCost
Internal path cost. The device automatically calculates the default path cost of a port, or
alternatively, you can use the
stp cost
command to configure the path cost of a port.
Root Port
Root port name (displayed only if a port of the device is the root port of MSTIs).
display stp tc
Syntax
display stp
[
instance
instance-id
]
tc
[
|
{
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
instance-id
argument ranges from 0 to 15, where 0 represents the CIST.
|
: 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.
Description
Use
display stp tc
to display the statistics of TC/TCN BPDUs received and sent by all ports in an MSTI or
all MSTIs.
In STP/RSTP mode, the displayed information is sorted by port name.