Configuring The Rapid Pvst+ Bridge Priority Of A Vlan - Cisco Nexus 7000 Series Configuration Manual

Configuring Rapid PVST+ Using Cisco NX-OS
This example shows how to configure the device as the secondary root bridge for VLAN 5 with a network
diameter of 4:
switch# config t
switch(config)# spanning-tree vlan 5 root secondary diameter 4
switch(config)# exit
switch#

Configuring the Rapid PVST+ Bridge Priority of a VLAN

You can configure the Rapid PVST+ bridge priority of a VLAN. This is another method of configuring root
bridges.
Be careful when using this configuration. We recommend that you configure the primary root and secondary
Note
root to modify the bridge priority.
Before You Begin
Ensure that you are in the correct VDC (or enter the switchto vdc command).
SUMMARY STEPS
1. config t
2. spanning-tree vlan vlan-range priority value
3. exit
4. (Optional) show spanning-tree vlan vlan_id
5. (Optional) copy running-config startup-config
DETAILED STEPS
Command or Action
Step 1 config t
Example:
switch# config t
switch(config)#
Step 2 spanning-tree vlan vlan-range priority value
Example:
switch(config)# spanning-tree vlan 5 priority
8192
Step 3
exit
Example:
switch(config)# exit
switch#
Purpose
Enters global configuration mode.
Configures the bridge priority of a VLAN. Valid values are
0, 4096, 8192, 12288, 16384, 20480, 24576, 28672, 32768,
36864, 40960, 45056, 49152, 53248, 57344, and 61440. All
other values are rejected. The default value is 32768.
Exits global configuration mode.
Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x
Configuring the Rapid PVST+ Bridge Priority of a VLAN
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