Dell 5324 - PowerConnect Switch User Manual Addendum page 56

Learning — The LAG is in the learning mode and cannot forward traffic, but it can learn new MAC
addresses.
Forwarding — The LAG is currently in the forwarding mode, and it can forward traffic and learn new MAC
addresses.
Broken — The LAG is currently malfunctioning and cannot be used for forwarding traffic.
Path Cost (1-200000000) — 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 being rerouted. The path cost has a value of 1 to
200000000. If the path cost method is short, the LAG cost default value is 4. If the path cost method is long, the
LAG cost default value is 20000.
Default Path Cost — When selected, the LAG path cost returns to its default value.
Priority (0-240, in steps of 16) — The priority value of the LAG. The priority value influences the LAG choice
when a bridge has two looped ports. The priority value is between 0-240, in increments of 16.
Designated Bridge ID — The bridge priority and the MAC Address of the designated bridge.
Designated Port ID — The port priority and interface number of the designated port.
Designated Cost — The cost of the designated bridge.
Forward Transitions — The number of times the LAG State has changed from the Blocking state to a
Forwarding state.
Modifying the LAG STP Parameters
1
Open the STP LAG Settings page.
2
Select a LAG from the Select a LAG drop-down menu.
3
Modify the fields as desired.
4
Click Apply Changes.
The STP LAG parameters are modified, and the device is updated.
Defining STP LAG Settings Using CLI Commands
The following table summarizes the equivalent CLI commands for defining STP LAG settings.
Table 1-15. STP LAG Settings CLI Commands
CLI Command
spanning-tree
spanning-tree disable
spanning-tree cost cost
spanning-tree port-priority priority
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Description
Enables spanning tree.
Disables spanning tree on a specific
LAG.
Configures the spanning tree cost
contribution of a LAG.
Configures port priority.