Dell PowerConnect 5500 Series System User's Manual page 440

FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell
Forward Delay (4-30) — Check to use device forward delay time,
–
which is the interval of time in seconds that a bridge remains in a
listening and learning state before forwarding packets. Enter a value.
Designated Root — Displays the following:
– Bridge ID — The bridge priority and MAC address.
– Root Bridge ID — The root bridge priority and MAC address.
– Root Port — The port number that offers the lowest cost path from
this bridge to the Root Bridge. This is significant when the Bridge is
not the Root.
Root Path Cost — The cost of the path from this bridge to the root.
–
Topology Changes Counts — The total amount of STP state changes
–
that have occurred.
– Last Topology Change — The amount of time that has elapsed since
the bridge was initialized or reset, and the last topographic change
occurred.
Defining STP Global Parameters Using CLI Commands
The following table summarizes the CLI commands for defining STP global
parameters as displayed in the Global Settings pages.
Table 13-1. STP Global Parameter CLI Commands
CLI Command
spanning-tree
no spanning-tree
spanning-tree mode
{
| |
stp rstp mstp
no spanning-tree mode
spanning-tree bpdu
{filtering|flooding|bridging}
no spanning-tree bpdu
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Dell PowerConnect 55xx Systems User Guide
Contax\sources\CxUGSwitching_STP.fm
}
Description
Enables spanning tree functionality.
Use the no form of this command to
disable the spanning-tree functionality.
Configures the mode of the spanning tree
protocol.
Use the no form of this command to
restore the default configuration.
Defines BPDU handling when the
spanning tree is disabled globally or on a
single interface.
Use the no form of this command to
restore the default configuration.