Dell POWERCONNECT 5524, User Manual

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Dell PowerConnect 55xx Systems User Guide
– Speed — Displays the speed at which the port is operating.
– Path Cost (1-200000000) — Enter the port contribution 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 being rerouted.
– Default Path Cost — Check to use the default path cost.
– Priority — Select the priority value that influences the port choice
when a bridge has two ports connected in a loop. The priority value is
provided in increments of 16.
–
Designated Bridge ID
— Displays the bridge priority and the MAC
address of the designated bridge.
– Designated Port ID — Displays the designated port’s priority and
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 port has
changed from the Forwarding state to Blocking .
– LAG — Displays the LAG to which the port is attached.
Defining STP Port Settings Using CLI Commands
The following table summarizes the CLI commands for defining STP port
parameters as displayed in the STP Port Settings page.
Table 13-2. STP Port Settings CLI Commands
CLI Command Description
spanning-tree disable
no spanning-tree disable
Disables spanning tree on a specific
port.
Use the no form of this command to
enable the spanning tree on a port.
spanning-tree cost cost
no spanning-tree cost
Configures the spanning tree cost
contribution of a port
Use the no form of this command to
restore the default configuration.