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IES-3082GC User Manual
ORing Industrial Networking Corp.
89
6.6 Command Set List—Spanning Tree Command Set
Commands
Level Description
Example
spanning-tree
enable
G
Enable spanning tree
switch(config)#spanning-tre
e enable
spanning-tree
priority
[0to61440]
G
Configure spanning tree priority
parameter
switch(config)#spanning-tre
e priority 32767
spanning-tree
max-age
[seconds]
G
Use the spanning-tree max-age
global configuration command to
change the interval between
messages the spanning tree
receives from the root switch. If a
switch does not receive a bridge
protocol data unit (BPDU) message
from the root switch within this
interval, it recomputed the
Spanning Tree Protocol (STP)
topology.
switch(config)#
spanning-tree max-age 15
spanning-tree
hello-time
[seconds]
G
Use the spanning-tree hello-time
global configuration command to
specify the interval between hello
bridge protocol data units (BPDUs).
switch(config)#spanning-tre
e hello-time 3
spanning-tree
forward-time
[seconds]
G
Use the spanning-tree forward-time
global configuration command to
set the forwarding-time for the
specified spanning-tree instances.
The forwarding time determines
how long each of the listening and
learning states last before the port
begins forwarding.
switch(config)#
spanning-tree forward-time
20
stp-path-cost
[1to200000000]
I
Use the spanning-tree cost
interface configuration command to
set the path cost for Spanning Tree
Protocol (STP) calculations. In the
event of a loop, spanning tree
considers the path cost when
selecting an interface to place into
switch(config)#interface
fastEthernet 2
switch(config-if)#stp-path-co
st 20