Configuring Spanning Tree
Defining STP on Interfaces
Page 94
Defining STP on Interfaces
Network administrators can assign STP settings to specific interfaces using the
STP Interface Page
. The Global
LAGs section displays the STP information for Link Aggregated Groups. To assign STP settings to an interface:
1.
Click
Advanced Setup > Spanning Tree > STP > Interface Settings.
The
STP Interface Page
opens:
Figure 48: STP Interface Page
The
STP Interface Page
contains the following fields:
•
Unit No.
—Indicates the stacking member for which the STP interface parameters are displayed.
•
Port
— The port for which the information is displayed.
•
STP
— Indicates if STP is enabled on the port. The possible field values are:
–
Enabled
— Indicates that STP is enabled on the port.
–
Disabled
— Indicates that STP is disabled on the port.
•
Fast Link
— Indicates if Fast Link is enabled on the port. If Fast Link mode is enabled for a port, the
Port
State
is automatically placed in the
Forwarding
state
when the port link is up. Fast Link optimizes the STP
protocol convergence. STP convergence can take 30-60 seconds in large networks.
•
Root Guard
— Restricts the interface from acting as the root port of the switch.
•
Port State
— Displays the current STP state of a port. If enabled, the port state determines what forwarding
action is taken on traffic. Possible port states are:
–
Disabled
— Indicates that STP is currently disabled on the port. The port forwards traffic while learning
MAC addresses.
–
Blocking
— Indicates that the port is currently blocked and cannot forward traffic or learn MAC
addresses. Blocking is displayed when Classic STP is enabled.
•
Port Role
— Displays the port role assigned by the STP algorithm to provide to STP paths. The possible field
values are:
–
Root
— Provides the lowest cost path to forward packets to the root switch.
–
Designated
— The port or LAG through which the designated switch is attached to the LAN.
Summary of Contents for xStack DES-3228PA
Page 5: ...Page 4 ...
Page 16: ...DES 3228PA Embedded Web System User Guide Page 15 ...
Page 39: ...Initial Configuration Page 38 ...
Page 73: ...Managing Stacking Switching the Stacking Master Page 70 ...
Page 93: ...Defining the Forwarding Database Defining Dynamic Forwarding Database Entries Page 90 ...
Page 107: ...Configuring Spanning Tree Defining Multiple Spanning Tree Page 104 ...
Page 151: ...Configuring IP Information Page 148 ...
Page 159: ...Configuring Multicast Forwarding Defining Multicast Bridging Groups Page 156 ...
Page 181: ...Configuring Quality of Service Configuring Basic Mode Page 178 ...
Page 209: ...Managing System Logs Viewing the Device Memory Logs Page 206 ...
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