D-Link DGS-1210-20 Reference Guide - Page 41

L2 Functions > Loopback Detection, L2 Functions > MAC Address Table > Static MAC

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5 Configuration D-Link Web Smart Switch User Manual RX (receive) mode: Duplicates the data that is received from the source port and forwards it to the Target Port. Click "all" to include all ports into port mirroring. TX/RX (transmit and receive) mode: 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. 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 the same time. You may enable or disable this function using the pull-down menu. Figure 5.36 - L2 Functions > Loopback Detection Loopback Detection State: Use the drop-down menu to enable or disable loopback detection. The default is Disabled. 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. L2 Functions > MAC Address Table > Static MAC This feature provides two distinct functions. The Disable Auto 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 Off (disabled). Figure 5.37 - L2 Functions > MAC Address Table > Static Mac Address 36

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5
Configuration
D-Link Web Smart Switch User Manual
RX (receive) mode:
Duplicates the data that is received from the source port and forwards it to the Target
Port. Click “all” to include all ports into port mirroring.
Port. Click “all” to include all ports into port mirroring.
TX/RX (transmit and receive) mode:
Duplicate both the data transmitted from and data sent to the source
port, and forwards all the data to the assigned Target
None:
Turns off the mirroring of the port. Click “all” to remove all ports from mirroring.
L2 Functions > Loopback Detection
The Loopback Detection function is used to detect the loop created by a specific port while Spanning Tree
network, especially when the down links are hubs or unmanaged
Protocol (STP) is not enabled in the
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 the same time. You may enable or
disable this function using the pull-down menu.
Figure 5.36 – L2 Functions > Loopback Detection
Loopback Detection State:
Use t
le loopback detection. The default
is
Disabled.
e (0 or 60-1000000):
Time allowed (in seconds) for recovery when a Loopback is detected.
ll
starting with the selected port.
atic MAC
he drop-down menu to enable or disab
Interval (1-32767):
Set a Loop detection Interval between
1
and
32767
seconds. The default is 2
seconds.
Recover Tim
The Loop Detection Recover Time can be set at
0
seconds, or
60
to
1000000
seconds. Entering
0
wi
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
State:
Use the drop-down menu to toggle between
Enabled
and
Disabled.
Default is
Disabled
.
Click
Apply
to implement changes made.
L2 Functions > MAC Address Table > St
his feature provides two distinct functions. The
Disable Auto Learning
table allows turning off the function
specified as an uplink port (for example, connects to a
T
of learning MAC address automatically, if a port isn't
DHCP Server or Gateway).
By default, this feature is Off (disabled).
Figure 5.37 – L2 Functions > MAC Address Table > Static Mac Address
36