D-Link DIS-200G Emulator - Page 77

STP Port Settings, Apply, BPDU Forward, L2 Features > Spanning Tree > STP Port Settings

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DIS-200G Series Industrial Gigabit Ethernet Smart Managed Switch Click the Apply button to accept the changes made. The fields that can be configured for BPDU Forward are described below: Parameter BPDU Forward Description Select to enable or disable BPDU forwarding. If enabled, the received STP BPDU will be forwarded to all VLAN member ports in the untagged form. By default, this option is Disabled. Click the Apply button to accept the changes made. STP Port Settings This window is used to view and configure the STP port settings. To view the following window, click L2 Features > Spanning Tree > STP Port Settings, as shown below: Figure 6-36 STP Port Settings window The fields that can be configured are described below: Parameter Description From Port / To Port Select the appropriate port range used for the configuration here. Port Fast Select the port fast option here. Options to choose from are Network, Disabled, and Edge. In the Network mode, the port will remain in the non-port-fast state for three seconds. The port will change to the port-fast state if no BPDU is received and changes to the forwarding state. If the port received the BPDU later, it will change to the non-port-fast state. In the Disabled mode, the port will always be in the non-port-fast state. It will always wait for the forward-time delay to change to the forwarding state. In the Edge mode, the port will directly change to the spanning-tree forwarding state when a link-up occurs without waiting for the forward-time delay. If the interface receives a BPDU later, its operation state changes to the non-port-fast state. By default, this option is Network. Click the Apply button to accept the changes made. 70

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DIS-200G Series Industrial Gigabit Ethernet Smart Managed Switch
70
Click the
Apply
button to accept the changes made.
The fields that can be configured for
BPDU Forward
are described below:
Parameter
Description
BPDU Forward
Select to enable or disable BPDU forwarding. If enabled, the
received STP BPDU will be forwarded to all VLAN member ports in
the untagged form. By default, this option is Disabled.
Click the
Apply
button to accept the changes made.
STP Port Settings
This window is used to view and configure the STP port settings.
To view the following window, click
L2 Features > Spanning Tree > STP Port Settings
, as shown below:
The fields that can be configured are described below:
Parameter
Description
From Port / To Port
Select the appropriate port range used for the configuration here.
Port Fast
Select the port fast option here. Options to choose from are
Network
,
Disabled
, and
Edge
. In the
Network
mode, the port will
remain in the non-port-fast state for three seconds. The port will
change to the port-fast state if no BPDU is received and changes
to the forwarding state. If the port received the BPDU later, it will
change to the non-port-fast state. In the
Disabled
mode, the port
will always be in the non-port-fast state. It will always wait for the
forward-time delay to change to the forwarding state. In the
Edge
mode, the port will directly change to the spanning-tree forwarding
state when a link-up occurs without waiting for the forward-time
delay. If the interface receives a BPDU later, its operation state
changes to the non-port-fast state. By default, this option is
Network
.
Click the
Apply
button to accept the changes made.
Figure 6-36 STP Port Settings window