Configuring The Rapid Pvst+ Forward Delay Time For A Vlan; Configuring The Rapid Pvst+ Maximum Age Time For A Vlan; Specifying The Link Type - Cisco Nexus 6000 Series Configuration Manual

Configuring Rapid PVST+

Configuring the Rapid PVST+ Forward Delay Time for a VLAN

You can configure the forward delay time per VLAN when using Rapid PVST+.
Procedure
Step 1
Step 2
This example shows how to configure the forward delay time for a VLAN:
switch# configure terminal
switch(config)# spanning-tree vlan 5 forward-time 21

Configuring the Rapid PVST+ Maximum Age Time for a VLAN

You can configure the maximum age time per VLAN when using Rapid PVST+.
Procedure
Step 1
Step 2
This example shows how to configure the maximum aging time for a VLAN:
switch# configure terminal
switch(config)# spanning-tree vlan 5 max-age 36

Specifying the Link Type

Rapid connectivity (802.1w standard) is established only on point-to-point links. By default, the link type is
controlled from the duplex mode of the interface. A full-duplex port is considered to have a point-to-point
connection; a half-duplex port is considered to have a shared connection.
If you have a half-duplex link physically connected point-to-point to a single port on a remote switch, you
can override the default setting on the link type and enable rapid transitions.
Command or Action
switch# configure terminal
switch(config)# spanning-tree vlan
vlan-range forward-time forward-time
Command or Action
switch# configure terminal
switch(config)# spanning-tree vlan
vlan-range max-age max-age
Cisco Nexus 6000 Series NX-OS Layer 2 Switching Configuration Guide, Release 7.x
Configuring the Rapid PVST+ Forward Delay Time for a VLAN
Purpose
Enters global configuration mode.
Configures the forward delay time of a VLAN. The
forward delay time value can be from 4 to 30
seconds, and the default is 15 seconds.
Purpose
Enters configuration mode.
Configures the maximum aging time of a VLAN.
The maximum aging time value can be from 6 to 40
seconds, and the default is 20 seconds.
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