Dell X1000 Networking X-Series Switches User Guide - Page 189

STP Port Settings

Page 189 highlights

FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Dell Astute\User Guide\Dell_Astute_Network_Admin_STP.fm - 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. STP Port Settings To assign STP properties to individual ports: 1 Click Network Administration > Spanning Tree and LAG > Spanning Tree > STP Port Settings. The ports and their STP settings are displayed. 2 Click Edit. 3 Select a port, click its Edit icon and enter the fields: - STP - Enable/disable STP on the port. - Fast Link - Enable/disable Fast Link mode for the port. If this is enabled, the Port State is automatically placed in the Forwarding state when the port is up. Fast Link mode optimizes the time it takes for the STP protocol to converge. STP convergence can take 30-60 seconds in large networks. - BPDU Guard - Enable/disable BPDU Guard on the port. BPDU guard when enabled shuts down a port when BPUD messages are received from the port. - Root Guard - Enable/disable prevention of devices outside the network core from being elected as the spanning tree root bridge. - Port State - Displays the current STP state of a port. If the port state is not disabled, it determines what forwarding action is taken on traffic. The possible port states are: • Disabled - STP is currently disabled on the port. The port forwards traffic while learning MAC addresses. • Blocking - The port is currently blocked and cannot be used to forward traffic or learn MAC addresses. Blocking is displayed when Classic STP is enabled. • Listening - The port is currently in the listening mode. The port cannot forward traffic nor can it learn MAC addresses. DELL CONFIDENTIAL - PRELIMINARY 8/9/16 - FOR PROOF ONLY Network Administration: Spanning Tree and LAG 189

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Network Administration: Spanning Tree and LAG
189
FILE LOCATION:
C:\Users\gina\Desktop\Checkout_new\Dell Astute\User
Guide\Dell_Astute_Network_Admin_STP.fm
DELL CONFIDENTIAL – PRELIMINARY 8/9/16 - FOR PROOF ONLY
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.
STP Port Settings
T
o assign STP properties to individual ports:
1
Click
Network Administration > Spanning Tree and LAG > Spanning
Tree
>
STP Port Settings
.
The ports and their STP settings are displayed.
2
Click
Edit
.
3
Select a port, click its Edit icon and enter the fields:
STP
— Enable/disable STP on the port.
Fast Link
— Enable/disable Fast Link mode for the port. If this is
enabled, the
Port State
is automatically placed in the
Forwarding
state
when the port is up. Fast Link mode optimizes the time it takes for the
STP protocol to converge. STP convergence can take 30-60 seconds in
large networks.
BPDU Guard
— Enable/disable BPDU Guard on the port. BPDU
guard when enabled shuts down a port when BPUD messages are
received from the port.
Root Guard
— Enable/disable prevention of devices outside the
network core from being elected as the spanning tree root bridge.
Port State
— Displays the current STP state of a port. If the port state
is not disabled, it determines what forwarding action is taken on
traffic. The possible port states are:
Disabled
— STP is currently disabled on the port. The port
forwards traffic while learning MAC addresses.
Blocking
— The port is currently blocked and cannot be used to
forward traffic or learn MAC addresses. Blocking is displayed
when Classic STP is enabled.
Listening
— The port is currently in the listening mode. The port
cannot forward traffic nor can it learn MAC addresses.