Installation Manual

Chapter 8: Protecting & Monitoring Your Wireless Network
PN 365-095-30452 x.1 SURFboard SBG7580-AC Wireless Gateway User Guide
Copyright 2016, ARRIS Enterprises, LLC. All rights reserved. 49
Set Up MAC Address Filtering
MAC filtering allows you to define up to twenty Media Access Control (MAC) address filters to
prevent computers from sending outgoing TCP/UDP traffic to the WAN via their MAC
addresses. This is useful because the MAC address of a specific NIC card never changes, unlike
its IP address, which can be assigned via the DHCP server or hard-coded to various addresses
over time.
To configure MAC filters:
1. From any SBG7580-AC Web Manager screen, click the Wireless 2.4 GHz or Wireless 5 GHz
main menu button on the SBG7580-AC Web Manager menu bar.
2. Click MAC ADDRESS CONTROL from the Wireless submenu options list to display the MAC
Address Control screen.
Figure 35: Set Up MAC Filters Screen
3. Click Add from the MAC Address Filter List for the computer you want to allow or block.
4. Enter the least significant byte of the starting IP address for the range you are setting up.
5. Select the MAC Address Filter Type from the drop-down list:
o None: Allows all wireless devices to connect.
o Whitelist: Allows only listed wireless devices to connect.
o Blacklist: Allows only wireless devices that are not listed to connect .
6. Click Apply.
7. Repeat steps 3 thru 6 to add up to 20 MAC addresses.
8. To delete a MAC address, click on the MAC address in the MAC Address list and then click
Delete.
Repeat for each MAC Address that you want to remove from the MAC Address list.