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spanning-tree max-age
This command configures the spanning tree bridge maximum age globally
for this switch. Use the no form to restore the default.
Syntax
spanning-tree max-age seconds
no spanning-tree max-age
seconds - Time in seconds. (Range: 6-40 seconds)
The minimum value is the higher of 6 or [2 x (hello-time + 1)].
The maximum value is the lower of 40 or [2 x (forward-time - 1)].
Default Setting
20 seconds
Command Mode
Global Configuration
Command Usage
This command sets the maximum time (in seconds) a device can wait
without receiving a configuration message before attempting to
reconfigure. All device ports (except for designated ports) should
receive configuration messages at regular intervals. Any port that ages
out STA information (provided in the last configuration message)
becomes the designated port for the attached LAN. If it is a root port,
a new root port is selected from among the device ports attached to the
network.
Example
Console(config)#spanning-tree max-age 40
Console(config)#