ZyXEL Communications GS1920 User Handbook Manual page 88

3. Use this screen to enable ARP inspection on each VLAN and to specify when
the Switch generates log messages for receiving ARP packets from each
VLAN.
Figure 3, Advanced Application > IP Source Guard > Source Guard setup > ARP
Inspection > Configure > VLAN
Verify
1. Figure 4, in this screen it will display the unknown ARP blocked by the switch.
Figure 4, Advanced Application > IP Source Guard > Source Guard setup > ARP
Inspection
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