Cisco Nexus 5500 Series Command Reference Manual page 216

spanning-tree vlan
spanning-tree vlan
To configure Spanning Tree Protocol (STP) parameters on a per-VLAN basis, use the spanning-tree
vlan command. To return to the default settings, use the no form of this command.
Syntax Description vlan-id
fex-hello-time value
forward-time value
hello-time value
max-age value
priority value
root primary
root secondary
diameter dia
Command Default
The defaults are as follows:
•
•
•
•
•
Command Modes Global configuration mode
Command History Release
5.2(1)N1(1)
Cisco Nexus 5500 Series NX-OS Layer 2 Interfaces Command Reference
1210
spanning-tree vlan vlan-id {fex-hello-time value | forward-time value | hello-time value |
max-age value | priority value | [root {primary | secondary} [diameter dia [hello-time
value]]]]
no spanning-tree vlan vlan-id [fex-hello-time | forward-time | hello-time | max-age | priority |
root]
VLAN identification number. The VLAN ID range is from 0 to 4094.
(Optional) Specifies the hello interval for FEX ports spanning tree. The
range is from 2 to 12 seconds.
(Optional) Specifies the STP forward-delay time. The range is from 4 to
30 seconds.
(Optional) Specifies the number of seconds between the generation of
configuration messages by the root switch. The range is from 1 to 10
seconds.
(Optional) Specifies the maximum number of seconds that the information
in a BPDU is valid. The range is from 6 to 40 seconds.
(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, or 61440. All other values are rejected.
(Optional) Forces this switch to be the root bridge.
(Optional) Forces this switch to be the root switch if the primary root fails.
(Optional) Specifies the maximum number of bridges between any two
points of attachment between end stations.
fex-hello-time—12 seconds
forward-time—15 seconds
hello-time—2 seconds
max-age—20 seconds
priority—32768
Modification
This command was introduced.
Chapter S Commands
OL-27880-02