Command Manual - STP
Quidway S3500 Series Ethernet Switches Chapter 1 MSTP Configuration Commands
Huawei Technologies Proprietary
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parameter to overwrite it. Normally, you are recommended to set the network diameter
to get the other two time parameter of the switch accordingly.
Caution:
z In a switching network, you can configure only one root bridge for each STI and one
or more secondary switches. Do not configure more than one root bridge for an STI
at the same time, otherwise, the calculation result will be unpredictable.
z After a switch is configured as primary root switch or secondary root switch, user
can’t modify the bridge priority of the switch.
Example
# Designate the current switch as the root bridge of STI 1 and specifies the diameter of
the switching network as 4 and the Hello Time as 500 centiseconds.
[Quidway] stp instance 1 root primary bridge-diameter 4 hello-time 500
1.1.17 stp root secondary
Syntax
stp [ instance instance-id ] root secondary [ bridge-diameter bridgenum ]
[ hello-time centi-senconds ]
undo stp [ instance instance-id ] root
View
System view
Parameter
instance-id: Specifies the spanning tree instance ID, ranging from 0 to 16, instance 0 is
CIST.
root secondary: Configure the current switch as the secondary root of the designated
STI.
bridge-diameter bridgenum: Specify the network diameter of the spanning tree,
ranging from 2 to 7.
hello-time centi-senconds: Specify the Hello Time of the spanning tree, ranging from
100 to 1000 and measured in centiseconds.
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