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Step
Operation
Description
4
Enable ARP Detect feature. Required. On the Network Security→ARP
Inspection→ARP Detect page, enable the ARP Detect
feature.
12.3.2 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 12-16 ARP Defend
The following entries are displayed on this screen:
ARP Defend
Select:
Select your desired port for configuration. It is multi-optional.
Port:
Displays the port number.
Defend:
Select Enable/Disable the ARP Defend feature for the port.
Speed(10
-100)pps:
Enter a value to specify the maximum amount of the received
ARP packets per second.
Current Speed(pps):
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:
1. It’s not recommended to enable the ARP Defend feature for the LAG member port.
2. ARP Detect and ARP Defend cannot be enabled at the same time.
164
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