User Guide
644
Configuring IPv4 IMPB
ARP Detection Configuration
Follow these steps to configure ARP Detection on ports:
1) Select one or more ports and configure the parameters.
Trust Status
Enable or disable this port to be a trusted port. On a trusted port, the ARP packets
are forwarded directly without checked. The specific ports, such as up-link ports
and routing ports are suggested to be set as trusted.
Limit Rate
Specify the maximum number of the ARP packets that can be received on the
port per second.
Current Speed
Displays the current speed of receiving the ARP packets on the port.
Burst Interval
Specify a time range. If the speed of received ARP packets reaches the limit for
this time range, the port will be shut down.
Status
Displays the status of the ARP attack:
Normal
: The forwarding of ARP packets on the port is normal.
Down:
The transmission speed of the legal ARP packet exceeds the defined
value. The port will be shut down for 300 seconds. You can also click the
Recovery button to recover
Operation
If Status is changed to Down, there will be a
Recover
button. You can click the
button to restore the port to the normal status.
LAG
Displays the LAG that the port is in.
2) Click
Apply
.
3.1.4 Viewing ARP Statistics
You can view the number of the illegal ARP packets received on each port, which facilitates
you to locate the network malfunction and take the related protection measures.
Choose the menu
SECURITY > IPv4 IMPB > ARP Detection > ARP Statistics
to load the
following page.
Figure 3-3
View ARP Statistics
Downloaded from