OS10 Enterprise Edition User Guide Release 10.4.0E(R3)


Rapid per-VLAN spanning-tree plus

RPVST+ is an RSTP to create a single topology per VLAN. RPVST+ is enabled by default, provides faster convergence, and runs on the default VLAN (VLAN 1).

Configuring Rapid-PVST+ is a four-step process:

  1. Ensure the interfaces are in L2 mode.
  2. Place the interfaces in VLANs. By default, switchport interfaces are members of the default (VLAN1).
  3. Enable Rapid-PVST+ (only required if another variation of STP is present).
  4. (Optional) Select a non-default bridge-priority for the VLAN for load balancing.

rpvst per vlan spanning-tree plus

By default, each VLAN instance is assigned default bridge priority 32768. For example, all three instances have the same forwarding topology. Traffic load balancing is not achievable with this kind of priority assignment. You must assign each instance a different priority to achieve load balancing, as shown in Load Balancing with RPVST+.

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