Billion BiPAC 8500/8520 User Manual page 46

Billion BiPAC 8500/8501/8520/8521 SHDSL (VPN) Firewall Bridge/ Router
Active PC in LAN displays a list of IP Address & MAC Address of each individual Ethernet
device which is connected to the router.
You can check the box next to the IP address to block or allow. Then, click Add to insert to the
Ethernet Client Filter table. The maximum number of Ethernet client is 16.
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Chapter 4: Configuration