Scientific Atlanta DPR2320 - Manual (Page 50)

How Do I Configure the Gateway Cable Modems?
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Setup Advanced Settings – MAC Filtering Page Description
Use this page to enter the MAC address or MAC addresses of devices whose
Internet access you want to control. Click Apply to apply and save your new
MAC address filter settings.
Setting Up MAC Address Filters
The Block/Pass drop down menu allows you to block or pass Internet access to
the MAC addresses of the devices you list in the MAC Address Filters table. The
following table describes the function of the Block/Pass drop down menu.
Field Name Description
Block (Default) Select Block to deny Internet access to the MAC
addresses of the devices you list in the table. All
other MAC addresses will be allowed Internet
access.
Pass Select Pass to allow Internet access only to the
MAC addresses of the devices you list in the table.
Any MAC addresses not listed in the table will be
denied Internet access.