Fortinet 548B - Manual (Page 212)

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Syntax
spanning-tree forward-time <4-30>
no spanning-tree forward-time
<4-30> - forward time value (Range: 4 – 30).
no - This command sets the Bridge Forward Delay parameter for the common and internal spanning
tree to the default value, that is, 15.
Default Setting
15
Command Mode
Global Config
7.4.2.6 spanning-tree hello-time
This command sets the Hello Time parameter to a new value for the common and internal spanning tree.
The hellotime value is in whole seconds within a range of 1 to 10 with the value being less than or equal
to "(Bridge Max Age / 2) - 1".
Syntax
spanning-tree hello-time <1-10>
no spanning-tree hello-time
<1-10> - hellotime value (Range: 1 – 10).
no - This command sets the Hello Time parameter for the common and internal spanning tree to the
default value, that is, 2.
Default Setting
2
Command Mode
Global Config
7.4.2.7 spanning-tree max-age
This command sets the Bridge Max Age parameter to a new value for the common and internal spanning
tree. The max-age value is in seconds within a range of 6 to 40, with the value being less than or equal
to "2 times (Bridge Forward Delay - 1)" and greater than or equal to
“2 times (Bridge Hello Time + 1)”.