Operation Manual – MSTPH3C S3100 Series Ethernet Switches Chapter 1 MSTP Configuration1-18z Root bridge holdz Root bridge backupz Root guardz BPDU guardz Loop guardz TC-BPDU attack guardz BPDU packet drop1.2.5 STP-related StandardsSTP-related standards include the following.z IEEE 802.1D: spanning tree protocolz IEEE 802.1w: rapid spanning tree protocolz IEEE 802.1s: multiple spanning tree protocol1.3 Configuring Root BridgeTable 1-7 lists the tasks to configure a root bridge.Table 1-7 Configure a root bridgeOperation Description Related sectionEnable MSTPRequiredTo prevent networktopology jitter caused byother relatedconfigurations, you arerecommended to enableMSTP after other relatedconfigurations areperformed.Section 1.3.14 “EnablingMSTP”Configure an MST region RequiredSection 1.3.2“Configuring an MSTRegion”Specify the current switchas a rootbridge/secondary rootbridgeRequiredSection 1.3.3 “Specifyingthe Current Switch as aRoot Bridge/SecondaryRoot Bridge”Configure the bridgepriority of the currentswitchOptionalThe priority of a switchcannot be changed afterthe switch is specified asthe root bridge or asecondary root bridge.Section 1.3.4“Configuring the BridgePriority of the CurrentSwitch”
