TP-Link T2500-28TCTL-SL5428E T2500-28TCUN V1 User Guide - Page 227

ARP Defend, Network Security, ARP Inspection, ARP Defend, Select, Recover

Page 227 highlights

13.3.2 ARP Defend With the ARP Defend enabled, the switch can terminate receiving the ARP packets for 300 seconds when the transmission speed of the legal ARP packet on the port exceeds the defined value so as to avoid ARP Attack flood. Choose the menu Network Security→ARP Inspection→ARP Defend to load the following page. Figure 13-15 ARP Defend The following entries are displayed on this screen:  ARP Defend Port Select: Select: Port: Defend: Speed: Current Speed: Status: LAG: Operation: Click the Select button to quick-select the corresponding port based on the port number you entered. Select your desired port for configuration. It is multi-optional. Displays the port number. Enable/Disable the ARP Defend feature for the port. Enter a value to specify the maximum amount of the received ARP packets per second. Displays the current speed of the received ARP packets. Displays the status of the ARP attack. Displays the LAG to which the port belongs to. Click the Recover button to restore the port to the normal status. The ARP Defend for this port will be re-enabled. Note: It's not recommended to enable the ARP Defend feature for the LAG member port. 217

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13.3.2 ARP Defend
With the ARP Defend enabled, the switch can terminate receiving the ARP packets for 300
seconds when the transmission speed of the legal ARP packet on the port exceeds the defined
value so as to avoid ARP Attack flood.
Choose the menu
Network Security
β†’
ARP Inspection
β†’
ARP Defend
to load the following page.
Figure 13-15 ARP Defend
The following entries are displayed on this screen:
οƒ˜
ARP Defend
Port Select:
Click the
Select
button to quick-select the corresponding port
based on the port number you entered.
Select:
Select your desired port for configuration. It is multi-optional.
Port:
Displays the port number.
Defend:
Enable/Disable the ARP Defend feature for the port.
Speed:
Enter a value to specify the maximum amount of the received ARP
packets per second.
Current Speed:
Displays the current speed of the received ARP packets.
Status:
Displays the status of the ARP attack.
LAG:
Displays the LAG to which the port belongs to.
Operation:
Click the
Recover
button to restore the port to the normal status.
The ARP Defend for this port will be re-enabled.
Note:
It’s not recommended to enable the ARP Defend feature for the LAG member port.