D-Link DMS-1100 User Manual - Page 75

L2 Features > Loopback Detection, Enabled VLAN ID List

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D-Link DMS-1100 Series User Manual WTR Timer (1-12) Specifies the WTR time of the R-APS function. The value is between 1 and 12 minutes. The default WTR time is 5 minutes. Table 4.54 Click Apply to make the configurations take effect. Click the Back button to return to the previous page. L2 Features > Loopback Detection The Loopback Detection function is used to detect the loop created by a specific port while Spanning Tree Protocol (STP) is not enabled in the network, especially when the down links are hubs or unmanaged switches. The Switch will automatically shut down the port and send a log to the administrator. The Loopback Detection port will be unlocked when the Loopback Detection Recover Time times out. The Loopback Detection function can be implemented on a range of ports at a time. You may enable or disable this function using the pull-down menu. Figure 4.89 - L2 Features > Loopback Detection Settings The fields that can be configured for Loopback Detection Settings are described below: Item Description Loopback Detection Global Settings Loopback Detection State Enable or disable loopback detection. The default is disabled. Mode Select either Port-based or VLAN-based loopback detection. Enabled VLAN ID List Enter the VLAN ID for loopback detection. This only takes effect when VLAN-based is selected in the Mode drop-down list. Interval (1-32767) Set a Loop Detection Interval between 1 and 32767 seconds. The default is 2 seconds. Trap State Select to enable or disable the loopback detection trap state. Action Select Shut-down or None for loopback detection. Loopback Detection Port Settings 69

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D-Link DMS-1100 Series User Manual
69
WTR Timer (1-12)
Specifies the WTR time of the R-APS function. The value is between 1
and 12 minutes. The default WTR time is 5 minutes.
Table 4.54
Click
Apply
to make the configurations take effect.
Click the
Back
button to return to the previous page.
L2 Features > Loopback Detection
The Loopback Detection function is used to detect the loop created by a specific port while Spanning Tree
Protocol (STP) is not enabled in the network, especially when the down links are hubs or unmanaged
switches. The Switch will automatically shut down the port and send a log to the administrator. The Loopback
Detection port will be unlocked when the Loopback Detection
Recover Time
times out. The Loopback
Detection function can be implemented on a range of ports at a time. You may enable or disable this function
using the pull-down menu.
Figure 4.89 – L2 Features > Loopback Detection Settings
The fields that can be configured for
Loopback Detection Settings
are described below:
Item
Description
Loopback Detection Global Settings
Loopback Detection State
Enable or disable loopback detection. The default is
disabled.
Mode
Select either Port-based or VLAN-based loopback detection.
Enabled VLAN ID List
Enter
the VLAN ID for loopback detection. This only takes effect when
VLAN-based
is selected in the
Mode
drop-down list.
Interval (1-32767)
Set a Loop Detection Interval between
1
and
32767
seconds. The
default is 2
seconds.
Trap State
Select
to enable or disable the loopback detection trap state.
Action
Select
Shut-down
or
None
for loopback detection.
Loopback Detection Port Settings