Dell PowerSwitch S5212F-ON EMC SmartFabric OS10 User Guide Release 10.5.1 - Page 534
Con MSTP, Create instances, Add or remove interfaces
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Configuring MST is a four-step process: 1. Enable MST, if the current running spanning-tree protocol (STP) version is not MST. 2. (Optional) Map the VLAN to different instances in such a way that the traffic is load balanced well and the link utilization is efficient. 3. Ensure the same region name is configured in all the bridges running MST. 4. (Optional) Configure the revision number. The revision number is the same on all the bridges. Configure MSTP When you enable MST globally, all switch ports, port-channels, and VLAN interfaces get automatically assigned to MSTI zero (0). In a MSTI, only one path is enabled for forwarding. ● Enable MST in CONFIGURATION mode. spanning-tree mode mst Configure and verify MSTP OS10(config)# spanning-tree mode mst OS10(config)# do show spanning-tree show spanning-tree mst configuration Region Name: abc Revision: 0 MSTI VID 0 1,7-4093 1 2 2 3 3 4 4 5 5 6 Add or remove interfaces By default, all interfaces are enabled in L2 switchport mode, and all L2 interfaces are part of spanning-tree. ● Disable spanning-tree on an interface in INTERFACE mode. spanning-tree disable ● Enable MST on an interface in INTERFACE mode. no spanning-tree disable Create instances You can create multiple MSTP instances and map VLANs. To take full advantage of the MSTP, create multiple MSTIs and map VLANs to them. 534 Layer 2
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