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Cisco Nexus 5500 Series NX-OS Layer 2 Interfaces Command Reference
OL-27880-02
Chapter V Commands
vlan (STP)
vlan (STP)
To configure spanning tree designated bridge and root bridge priority for VLANs, use the vlan
command. To revert to the default settings, use the no form of this command.
vlan instance-id [{designated | root} priority priority-value]
no vlan instance-id [{designated | root} priority priority-value]
Syntax Description
Command Default None
Command Modes Spanning-tree pseudo configuration mode
Command History
Usage Guidelines You can enter the instance-id argument as a single instance or a range of instances, for example,
0-3,5,7-9.
This command does not require a license.
Examples This example shows how to configure a spanning-tree domain:
switch# configure terminal
switch(config)# spanning-tree pseudo-information
switch(config-pseudo)# vlan 1 designated priority 4096
switch(config-pseudo)# vlan 1 root priority 8192
switch(config-pseudo)#
Related Commands
instance-id MST instance. The range is from 0 to 4094.
designated (Optional) Sets the designated bridge priority for the spanning tree.
root (Optional) Sets the root bridge priority for the spanning tree.
priority priority-value (Optional) Specifies the STP-bridge priority; the valid values are 0, 4096,
8192, 12288, 16384, 20480, 24576, 28672, 32768, 36864, 40960, 45056,
49152, 53248, 57344, 61440. All other values are rejected.
Release Modification
5.2(1)N1(1) This command we introduced.
Command Description
show running-config
spanning-tree
Displays the running configuration information of the Spanning Tree
Protocol (STP).
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