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5 Configuration D-Link Web Smart Switch User Manual
RX (receiv
e) 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