Dell PowerConnect 5548P System User's Manual page 451

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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 13-2.
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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Dell PowerConnect 55xx Systems User Guide
Contax\CxUGSwitching_STP.fm