1-15
z BPDU guard
z Loop guard
z TC-BPDU attack guard
z BPDU packet drop
STP-related Standards
STP-related standards include the following.
z IEEE 802.1D: spanning tree protocol
z IEEE 802.1w: rapid spanning tree protocol
z IEEE 802.1s: multiple spanning tree protocol
Configuring Root Bridge
Complete the following tasks to configure a root bridge:
Task Remarks
Enabling MSTP
Required
To prevent network topology jitter caused by
other related configurations, you are
recommended to enable MSTP after other
related configurations are performed.
Configuring an MST Region Required
Specifying the Current Device as a Root
Bridge/Secondary Root Bridge
Required
Configuring the Bridge Priority of the Current
Device
Optional
The priority of a device cannot be changed after
the device is specified as the root bridge or a
secondary root bridge.
Configuring the Mode a Port Recognizes and
Sends MSTP Packets
Optional
Configuring the MSTP Operation Mode Optional
Configuring the Maximum Hop Count of an MST
Region
Optional
Configuring the Network Diameter of the
Switched Network
Optional
The default value is recommended.
Configuring the MSTP Time-related Parameters
Optional
The default values are recommended.
Configuring the Timeout Time Factor Optional
Configuring the Maximum Transmitting Speed
on the Current Port
Optional
The default value is recommended.
Configuring the Current Port as an Edge Port Optional
Specifying Whether the Link Connected to a Port
Is Point-to-point Link
Optional
