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CHAPTER 3
INTRODUCTION TO CLI
Negation:
(config)# no spanning-tree mst forward-time
Show:
# show spanning-tree
3.9.45.17 (config)# spanning-tree mst max-age
Syntax:
(config)# spanning-tree mst max-age <maxage> [ forward-time <fwdtime> ]
Parameters:
<maxage: 6-40>: Specify the max age value. The valid range is from 6 to 40.
[ forward-time <fwdtime> ]: Fort STP bridges, the Forward Delay is the time spent in each Listening and Learning
state before the Forwarding state is entered. This delay occurs when a new bridge comes onto a network. Valid
values are 4-30 seconds.
Explanation:
If another switch in the spanning tree does not send out a hello packet for a period of time, it is
considered to be disconnected. Valid values are 6 to 40 seconds, and Max Age values must be smaller than or equal to
(Forward Delay-1)*2.
Example:
Set the max age to 20 seconds.
Negation:
(config)# no spanning-tree mst max-age
Show:
# show spanning-tree
3.9.45.18 (config)# spanning-tree mst max-hops
Syntax:
(config)# spanning-tree mst max-hops <maxhops>
Parameters:
<maxhops>: Specify the maximum hop count value. The valid range is from 6 to 40.
Explanation:
The maximum number of hops allowed for MST region before a BPDU is discarded. Each bridge
decrements the hop count by one before passing on the BPDU. When the hop count reaches zero, the BPDU is
discarded. The default hop count is 20. The allowed range is 6-40.
Example:
Set the maximum hop count to 20.
Negation:
(config)# no spanning-tree mst max-hops
# config t
(config)# spanning-tree mst max-hops 20
# config t
(config)# spanning-tree mst max-age 20
# config t
(config)# spanning-tree mst forward-time 15
Summary of Contents for MSW-4424C Series
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