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3Com Switch 7750 Series
Command Reference Guide – MSTP Chapter 1
MSTP Configuration Commands
1-3
Table 1-1 Description on the fields of the check region-configuration command
Field Description
Format selector The selector specified by MSTP
Region name The name of the MST region
Revision level The revision level of the MST region
Instance Vlans Mapped
Spanning tree instance-to-VLAN mappings in the
MST region
1.1.3 display stp
Syntax
display stp [ instance instance-id ] [ interface interface-list | slot slot-number ] [ brief ]
View
Any view
Parameter
instance-id: ID of the spanning tree instance ranging from 0 to 16. A value of 0 specifies
the common and internal spanning tree (CIST).
interface-list: Ethernet port list. You can specify multiple Ethernet ports by providing this
argument in the form of interface-list = { interface-type interface-number [ to
interface-type interface-number ] } &<1-10>, where &<1-10> means that you can
provide up to 10 port indexes/port index ranges for this argument.
Slot slot-number: Specifies a slot, the STP-related information about which is to be
displayed.
brief: Displays only port state and protection measures taken on the port.
Description
Use the display stp command to display the state and statistical information about one
or all spanning trees.
The state and statistical information about MSTP can be used to analyze and maintain
the topology of a network. It also can be used to make MSTP operating properly.
z If neither spanning tree instance nor port list is specified, the command displays
spanning tree information about all spanning tree instances on all ports in order of
port number.
z If only a spanning tree instance is specified, the command displays information
about the specified spanning tree instance on all ports in the order of the port
number.