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RSTP configurations on the MS switch

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Global RSTP configurations

  • When RSTP is enabled globally on the switch, all ports can participate in RSTP and detect and block bridge loops. If RSTP is disabled globally on the switch, all ports will not participate in RSTP. This prevents the switch from from detecting and blocking bridge loops and is not recommended.

 

Per-port RSTP configurations

  • Disabling RSTP on a switchport will prevent the port from participating in RSTP or detecting and blocking a bridge loops. This is not recommended.
  • Access ports with RSTP set to enabled run PortFast by default. PortFast allows the port to transition to a forwarding state immediately at linkup without going through the full RSTP algorithm. However, the port can still detect and block bridge loops. This is the recommended configuration for ports connected to edge devices such as workstations or servers that do not create bridge loops. 
  • Trunk ports with RSTP set to enabled run the RSTP algorithm by default. These ports will participate in the spanning tree topology and detect and block bridge loops. This is the recommended port configuration when interlinking switches. 
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Last modified
16:43, 28 Sep 2017

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