Spanning-Tree (Timers) - Mellanox Technologies Mellanox SX1018 Command Reference Manual

spanning-tree (timers)

spanning-tree [forward-time <time in secs> | hello-time <time in secs> | max-age
<time in secs>]
no spanning-tree [forward-time | hello-time | max-age]
Sets the spanning tree timers.
The no form of the command sets the timer to default.
Syntax Description forward-time
hello-time
max-age
Default forward-time: 15 seconds
hello-time:2 seconds
max-age: 20 seconds
Modes/Context Config
History 3.1.0000
Role admin
Example
switch (config) # spanning-tree forward-time
switch (config) #
Related Commands show spanning-tree
Note The following formula applies on the spanning tree timers:
2*(ForwardTime -1)>=MaxAgeTime >= 2*(Hello Time + 1)
Controls how fast a port changes its spanning tree state
from Blocking state to Forwarding state.
Parameter range: 4-30 seconds.
Determines how often the switch broadcasts its hello
message to other switches when it is the root of the
spanning tree.
Parameter range: 1-2 seconds.
Sets the maximum age allowed for the Spanning Tree
Protocol information learnt from the network on any
port before it is discarded.
Parameter range: 6-40 seconds.
Mellanox Technologies
Rev 1.6.2
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