Security Management
336
Managed Switches
A screen similar to the following displays.
b. In the VLAN ID field, enter 1.
c. In the Dynamic ARP Inspection field, select Enable.
A screen similar to the following displays.
d. Click Apply.
A screen similar to the following displays.
Now all the ARP packets received on the ports that are member of the VLAN are copied
to the CPU for ARP inspection. If there are trusted ports, you can configure them as
trusted in the next step. ARP packets received on the trusted ports are not copied to the
CPU.
Note: Make sure that the administrator computer has a DHCP snooping
entry or can access the device through the trusted port for ARP.
Otherwise, you might get disconnected from the device.
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