5 Configuration
D-Link Web Smart Switch User Manual
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3
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7
Source Port Selection:
TX:
Duplicates the data transmitted from the source port and forwards it to the Target Port. Click “all” to
include all ports into port mirroring.
RX:
Duplicates the data that received from the source port and forwards it to the Target Port. Click “all” to
include all ports into port mirroring.
TX/RX:
Duplicate both the data transmitted from and data sent to the source port, and forwards all the data
to the assigned Target Port. Click “all” to include all ports into port mirroring.
None:
Turns off the mirroring of the port. Click “all” to remove all ports from mirroring.
Click
Apply
to capture the configured Source Ports.
L2 Functions > 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 shutdown the port and sends 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 5.38 – L2 Functions > Loopback Detection Settings
Loopback Detection State:
Enable or disable loopback detection. The default is
Disabled.
Mode:
Specifies Port-based or VLAN-based mode.
Interval (1-32767):
Set a Loop detection Interval between
1
and
32767
seconds. The default is 2
seconds.
Recover Time (0 or 60-1000000):
Time allowed (in seconds) for recovery when a Loopback is detected.
The Loop Detection Recover Time can be set at
0
seconds, or
60
to
1000000
seconds. Entering
0
will
disable the Loop Detection Recover Time. The default is
60
seconds.
From Port:
The beginning of a consecutive group of ports may be configured starting with the selected port.
To Port:
The ending of a consecutive group of ports may be configured starting with the selected port.
State:
Use the drop-down menu to toggle between
Enabled
and
Disabled.
Default is
Disabled
.
Click
Apply
to implement changes made or click Refresh to
refresh
the Loopback Detection table.
Summary of Contents for SmartPro DGS-1500-20
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