Draytek Vigor2130 Series User Manual page 142

Choose ARP as the Frame Type, you will get ARP Parameters option as the following:
ARP/RARP
Request/Reply
Sender IP Filter
Sender IP Address
Sender IP Mask
Choose the ARP/RARP that you want to filter.
Choose the request or replay that you want to filter.
Specify the sender IP filter for this ACE.
Choose Any to filter all of the packets.
Choose Host to filter the packets from the host with the
address typed in Sender IP Address filed.
Choose Network to filter the packets within the network
defined in Sender IP Address and Sender IP Mask
fields.
Type the Sender IP Address here. This option is available
when you choose Host or Network as Sender IP Filter.
Type the Sender IP Mask here. This option is available
only when you choose Network as Sender IP Filter.
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Vigor2130 Series User's Guide