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180 CHAPTER 13: MSTP CONFIGURATION
Configuration example
Enable MSTP on the switch and disable MSTP on port Ethernet1/0/1.
1 Configure in system view.
<S5500> system-view
System View: return to User View with Ctrl+Z.
[S5500] stp enable
[S5500] stp interface ethernet1/0/1 disable
2 Configure in Ethernet port view.
<S5500> system-view
System View: return to User View with Ctrl+Z.
[S5500] stp enable
[S5500] interface ethernet1/0/1
[S5500-Ethernet1/0/1] stp disable
Leaf Node
Configuration
Table 159 lists the MSTP configuration tasks for leaf nodes.
With both GVRP and MSTP enabled on switches, GVRP packets will be forwarded
along the CIST. If you want to broadcast packets of a specific VLAN through GVRP, be
sure to map the VLAN to the CIST when configuring the MSTP VLAN mapping table.
The CIST of a network is the spanning tree instance numbered 0.
Prerequisites Before configuration, determine what roles the switches will play in the spanning
trees, that is, whether a switch will be the root, a branch, or a leaf in a spanning tree
Configuring an MST
Region
Refer to “Configuring an MST Region”.
Table 159 Leaf node configuration
Operation Description Related section
Enable MSTP Required
Normally, to reduce network
topology jitters caused by
configuration, you are
recommended to enable
MSTP after completing other
related configurations.
Enabling MSTP
Configure an MST region Required Configuring an MST Region
Configure MSTP operation mode Optional Configuring MSTP Operation
Mode
Configure the timeout time factor Optional Configuring the Timeout Time
Factor
Configure the maximum
transmission speed of a port
Optional
The default is recommended.
Configuring the Maximum
Transmission Speed of a Port
Set a port as an edge port Optional Setting a Port as an Edge Port
Configure the path cost of a port Optional Configuring the Path Cost of
a Port
Configure the priority of a port Optional Configuring the Priority of a
Port
Configure a port to connect to
point-to-point link
Optional Configuring a Port to Connect
to Point-to-Point Link