3com 5500-SI Manual De Usuario

180

HAPTER

13: MSTP C

ONFIGURATION

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.