Use thespanning-tree priorityGlobal Configuration mode command to configure the device STP priority, which is used to determine which bridge is selected as the root bridge. Use thenoform of this command to restore the default device spanning-tree priority. Syntax spanning-tree priorityprior...
When you configure MST region parameters, MSTP launches a new spanning tree calculation process that might cause network topology instability. This is most likely to occur when you configure the VLAN-to-instance mapping table. The launch occurs after you execute the active region-configuration command...
spanning-tree mst configuration instance 0 vlan 1-99, 101-199, 201-4094 instance 10 vlan 100 instance 20 vlan 200 spanning-tree mst 10 priority 4096 spanning-tree mst 20 priority 8192 SW3 Vlan 100 Vlan 200 spanning-tree spanning-tree mst configuration ...
SW1(config)#spanning-tree vlan 1 root secondary SW2#show run | include spann spanning-tree mode rapid-pvst spanning-tree extend system-id spanning-tree vlan 1 priority 24576 spanning-tree vlan 10 priority 28672 如果配置优先级为0则最大可能性成为主根 SW1(config)#spanning-tree vlan 10 priority ...
The following network calculations in Spanning Tree Network Example assume that each path has the same cost: Switch B is the root bridge its bridge ID is lowest because it has the smallest port priority. Switch A is the designated bridge for VLAN 11. Switch B is the designated bridge for ...
When configuring priority on a VLAN in RPVST, the operational priority given to the VLAN is a summation of what the user configured and the value of the VLAN itself. For example, running “spanning-tree vlan 10 priority 32768” yields a priority of 32778 for VLAN 10. RPVST and RSTP Inte...
The switch maintains a spanning-tree instance for the group of VLANs mapped to it. A switch ID, consisting of the switch priority and the switch MAC address, is associated with each instance. For a group of VLANs, the switch with the lowest switch ID becom...
Figure 1-1 STP FunctionRSTPRSTP (Rapid Spanning Tree Protocol) provides the same features as STP. Besides, RSTP can provide much faster spanning tree convergence.MSTP MSTP (Multiple Spanning Tree Protocol) also provides the fast spanning tree convergence as RSTP. In addition, MSTP enables VLANs ...
spanning-tree [mst <instance-id>] priority <value(0-61440)> no spanning-tree [mst <instance-id(1-64)>] priority Parameter Description mst <instance-id>- Configures the ID of MSTP instance already created in the Switch. This value ranges between 1 and 64. The special v...
To set a recommended priority it is more convenient to use hexadecimal notation, for example, 0 is 0x0000, 4096 is 0x1000, 8192 is 0x2000 and so on (0..F). }} =Multiple Spanning Tree Protocol= Since RouterOS v6.41 it is possible to enable Multiple Spanning Tree Protocol (MSTP) on ...