4 Web-based Switch Configuration
D-Link Smart Managed Switch User Manual
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Figure 4.53 – L2 Functions > Loopback Detection
Loopback Detection:
Use the drop-down menu to enable or disable loopback detection. The default is
Disabled.
Mode:
Specifies Port-based or VLAN-based mode. If port-based mode is selected, the loop happening port
will be shut down and affect all member VLANs. If VLAN-based mode is selected, only the member port in
the loop happening VLAN will be shut down.
VID List:
Specifies the VID.
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 the
Apply
button to implement changes made or click Refresh to
refresh
the Loopback Detection table.
L2 Functions > MAC Address Table > Static MAC
This feature provides two distinct functions. The
MAC Address
Learning table allows turning off the function
of learning MAC address automatically, if a port isn't specified as an uplink port (for example, connects to a
DHCP Server or Gateway). By default, this feature is disabled.
Figure 4.54 – L2 Functions > MAC Address Table > Static Mac Address
