TP-Link T2600G-28MPS T2600G-28MPSUN V1 User Guide - Page 57

Port Isolation

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Status: Select the status of Port Security. Three kinds of status can be selected: Drop: When the number of learned MAC addresses reaches the limit, the port will stop learning and discard the packets with the MAC addresses that have not been learned. Forward: When the number of learned MAC addresses reaches the limit, the port will stop learning but send the packets with the MAC addresses that have not been learned. Disable: The number limit on the port is not effective, and the maximum number of learned MAC addresses is limited by the length of MAC address table. It is the default setting. Note: The Port Security function is disabled for the LAG port member. Only the port is removed from the LAG, will the Port Security function be available for the port. 5.1.4 Port Isolation Port Isolation provides a method of restricting traffic flow to improve the network security by forbidding the port to forward packets to the ports that are not on its forward portlist. Choose the menu Switching→Port→Port Isolation to load the following page. Figure 5-5 Port Isolation The following entries are displayed on this screen:  Port Isolation List UNIT :1/LAGS : Port: LAG : Click 1 to show the information of the physical ports. Click LAGS to show the information of the link aggregation groups. Displays the port number. Displays the LAG number which the port belongs to. 46

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Status:
Select the status of Port Security. Three kinds of status can be
selected:
Drop
: When the number of learned MAC addresses reaches the
limit, the port will stop learning and discard the packets with the
MAC addresses that have not been learned.
Forward
: When the number of learned MAC addresses reaches
the limit, the port will stop learning but send the packets with the
MAC addresses that have not been learned.
Disable
: The number limit on the port is not effective, and the
maximum number of learned MAC addresses is limited by the
length of MAC address table. It is the default setting.
Note:
The Port Security function is disabled for the LAG port member. Only the port is removed from the
LAG, will the Port Security function be available for the port.
5.1.4 Port Isolation
Port Isolation provides a method of restricting traffic flow to improve the network security by
forbidding the port to forward packets to the ports that are not on its forward portlist.
Choose the menu
Switching
Port
Port Isolation
to load the following page.
Figure 5-5 Port Isolation
The following entries are displayed on this screen:
Port Isolation List
UNIT :1/LAGS :
Click
1
to show the information of the physical ports. Click
LAGS
to show the information of the link aggregation groups.
Port:
Displays the port number.
LAG :
Displays the LAG number which the port belongs to.
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