stp root-protection

Syntax

stp root-protection

undo stp root-protection

View

Ethernet interface view, port group view, Layer 2 aggregate interface view

Default level

2: System level

Parameters

None

Description

Use stp root-protection to enable the root guard function on the ports.

Use undo stp root-protection to restore the default.

By default, the root guard function is disabled.

Configured in Ethernet interface view, the setting takes effect only on the interface.

Configured in port group view, the setting takes effect on all ports in the port group.

Configured in Layer 2 aggregate interface view, the setting takes effect only on the aggregate interface.

Configured on a member port in an aggregation group, the setting takes effect only after the port leaves the aggregation group.

You cannot configure root guard and loop guard on a port at the same time.

Related commands: stp loop-protection.

Examples

# Enable the root guard function for Ethernet 1/0/1.

<Sysname> system-view
[Sysname] interface ethernet 1/0/1
[Sysname-Ethernet1/0/1] stp root-protection