Block a MAC address

The MAC address blocking function restricts the
EtherNet/IP Address Commissioning Tool
 from processing BOOTP/DHCP requests from unwanted devices by identifying their unique MAC addresses. When the MAC address blocking function is enabled and a BOOTP/DHCP request is received from a device with a MAC address that is on the
Blocked MAC
 list, the request will be ignored, and the device will not be provided an IP Address.
Prerequisites
  • Select a Network Interface Card (NIC).
  • On the
    Settings
     tab, complete the Network information and enable the MAC address blocking function.
To block a MAC address
  1. From the
    EtherNet/IP Address Commissioning Tool
    , click
    Blocked MAC
    .
  2. Click
    Add
    , enter the information in the
    Add Item
     dialog box, and then click
    Yes
    .
    TIP:
    • The MAC address must be unique in the
      Blocked MAC
       list.
    • The MAC address can also be added to the
      Blocked MAC
       list from the
      Unassigned
       list.
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