Enabling Rapid Pvst+ Per Vlan - Cisco Nexus 3000 Series Configuration Manual

Configuring Rapid PVST+
Changing the spanning tree mode disrupts traffic because all spanning tree instances are stopped for the
Note
previous mode and started for the new mode.
Procedure
Step 1
Step 2
This example shows how to enable Rapid PVST+ on the switch:
switch# configure terminal
switch(config)# spanning-tree mode rapid-pvst
Because STP is enabled by default, entering the show running-config command to view the resulting
Note
configuration does not display the command that you entered to enable Rapid PVST+.

Enabling Rapid PVST+ per VLAN

You can enable or disable Rapid PVST+ on each VLAN.
Rapid PVST+ is enabled by default on the default VLAN and on all VLANs that you create.
Note
Procedure
Step 1
Step 2
Step 3
OL-29545-03
Command or Action
switch# configure terminal
switch(config)# spanning-tree
mode rapid-pvst
Command or Action
switch# configure
terminal
switch(config)#
spanning-tree vlan-range
switch(config)# no
spanning-tree vlan-range
Cisco Nexus 3000 Series NX-OS Layer 2 Switching Configuration Guide, Release 6.x
Purpose
Enters global configuration mode.
Enables Rapid PVST+ on the switch. Rapid PVST+ is the
default spanning tree mode.
Note Changing the spanning tree mode disrupts traffic
because all spanning tree instances are stopped for
the previous mode and started for the new mode.
Purpose
Enters global configuration mode.
Enables Rapid PVST+ (default STP) on a per VLAN basis. The
vlan-range value can be 2 through 4094 (except reserved VLAN
values).
(Optional)
Disables Rapid PVST+ on the specified VLAN.
Enabling Rapid PVST+ per VLAN
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