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Dell POWERCONNECT 5524P - Page 443

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Dell PowerConnect 55xx Systems User Guide 443
Path Cost (1-200000000)
— Enter the amount the LAG contributes
to the root path cost. The path cost is adjusted to a higher or lower
value, and is used to forward traffic when a path is being rerouted.
The path cost has a value of 1 to 200000000.
Default Path Cost
— Check for the device to use the default path
cost.
Priority
— Select the priority value of the LAG. The priority value
influences the LAG choice when a bridge has looped ports. The
priority value is given in steps of 16.
Designated Bridge ID
— Displays the priority and the MAC address
of the designated bridge.
Designated Port ID
— Displays the ID of the selected interface.
Designated Cost
— Displays the cost of the port participating in the
STP topology. Ports with a lower cost are less likely to be blocked if
STP detects loops.
Forward Transitions
— Displays the number of times the
LAG State
has changed from the
Forwarding
state to a
Blocking state
.
Defining STP LAG Settings Using CLI Commands
For information about CLI commands for defining STP LAG settings, see
Table 15-2.
The following is an example of the CLI commands:
console(config)# interface port-channel 1
console(config-if)# spanning-tree disable
console(config-if)# spanning-tree cost 35000
console(config-if)# spanning-tree port-priority 96
console(config-if)# spanning-tree portfast

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