Command Manual - STP
Quidway S3500 Series Ethernet Switches Chapter 1 MSTP Configuration Commands
Huawei Technologies Proprietary
1-3
1.1.3 display stp
Syntax
display stp [ instance instance-id ] [ interface interface-list | slot slot-num ] [ brief ]
View
Any view
Parameter
instance-id: Specifies the spanning tree instance ID, ranging from 0 to 16, instance 0 is
CIST.
interface-list: Ethernet port list, containing multiple Ethernet ports and expressed as
interface _list = { { interface_type interface_num | interface_name } [ to { interface_type
interface_num | interface_name } ] }&<1-10>. For detail descriptions of interface_type,
interface_num and interface_name parameters, refer to the corresponding descriptions
in Port Command Manual. &<1-10> means that the preceding parameters can be
entered up to 10 times.
slot slot-num: Configure to display the STP configuration of specified slot.
brief: Configure to display the state and protection type of the port only, instead of any
other information.
Description
Using display stp command, you can view the state information and statistics
information of the spanning tree .
The MSTP state and statistics information can help analyze and maintain the network
topology and maintain the normal operation of MSTP.
If no STI ID or port list is specified, the command will display the spanning tree
information of all the instances on all the ports in port number order. If the instance ID is
specified, the command will display the spanning tree information of the specified
instance on all the port in port number order. If only the port list is specified, the
command will display the information about all the STIs on the port in port number order.
If both the STI ID and port list are specified, the command will displays the spanning
tree information of the specified instance on the specified port in instance ID order.
MSTP state information include:
z Global CIST parameter: Protocol operation mode, switch priority in the CIST
instance, MAC address, Hello Time, Max Age, Forward Delay, Max Hops, CIST
common root, external path cost of the switch to the CIST common root, region
root, internal path cost of the switch to the CIST common root, CIST root port of
the switch, and whether to enable BPDU protection;
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