Configuring The Hello Time; Configuring The Forwarding-Delay Time - Cisco AP775A - Nexus Converged Network Switch 5010 Configuration Manual

Configuring MST

Configuring the Hello Time

You can configure the interval between the generation of configuration messages by the root bridge for all
instances on the switch by changing the hello time.
Note Exercise care when using this command. For most situations, we recommend that you enter the
spanning-tree mst instance-id root primary and the spanning-tree mst instance-id root secondary
configuration commands to modify the hello time.
Procedure
Step 1
Step 2
This example shows how to configure the hello time of the switch to 1 second:
switch# configure terminal
switch(config)# spanning-tree mst hello-time 1

Configuring the Forwarding-Delay Time

You can set the forward delay timer for all MST instances on the switch with one command.
Procedure
Step 1
Step 2
This example shows how to configure the forward-delay time of the switch to 10 seconds:
switch# configure terminal
switch(config)# spanning-tree mst forward-time 10
OL-16597-01
Command or Action
switch# configure terminal
switch(config)# spanning-tree mst
hello-time seconds
Command or Action
switch# configure terminal
switch(config)# spanning-tree mst
forward-time seconds
Purpose
Enters configuration mode.
Configures the hello time for all MST instances. The hello
time is the interval between the generation of configuration
messages by the root bridge. These messages mean that the
switch is alive. For seconds, the range is from 1 to 10, and
the default is 2 seconds.
Purpose
Enters configuration mode.
Configures the forward time for all MST instances. The
forward delay is the number of seconds that a port waits
before changing from its spanning tree blocking and learning
states to the forwarding state. For seconds, the range is from
4 to 30, and the default is 15 seconds.
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
Configuring the Hello Time
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