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