D-Link Web Smart Switch DGS-1210-16 Reference Manual - page 42
Configuration
D-Link Web Smart Switch User Manual
3
3
6
6
Figure 4.38 – L2 Functions > Loopback Detection
Loopback Detection:
Click to enable or disable loopback detection. The default is
Disabled
.
Mode:
Specifies
Port-based
or
VLAN-based
mode. If the port-based mode is selected, the loop happening
port will be shut down and affect all member VLANs. If the VLAN-based mode is selected, only the member
port in the loop happening VLAN will be shut down.
Interval (1-32767):
Set a Loop detection Interval between 1
and 32767
seconds. The default is
10
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 / To Port:
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
.
Enabled VLANs:
This is used to configure the loopback detection function for the VLANs on VLAN-based
mode. Enter the list of VLAN used for this configuration. Tick the
All VLANs
check box to enable this option
on all the VLANs configured on the Switch.
Click
Apply
to implement the changes made. Click
Refresh
to refresh the Loopback Detection table.
This feature provides two distinct functions. The
MAC Address Learning
allows turning on or off the
function of learning MAC address automatically, if a port is not specified as an uplink port (for example,
connects to a DHCP Server or Gateway). By default, this feature is
Disabled
(off).
L2 Functions > MAC Address Table > Static MAC