250 Configuring Device Information
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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 7-62. STP LAG Settings CLI Commands
CLI Command Description
spanning-tree Enables spanning tree.
spanning-tree disable Disables spanning tree on a specific
LAG.
spanning-tree cost cost Configures the spanning tree cost
contribution of a LAG.
spanning-tree port-priority priority Configures port priority.
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