Rockwell Automation Publication 1783-UM007G-EN-P - February 2017 305
Configure Switch Features Chapter 7
Port security limits and identifies the MAC addresses of devices that can send
traffic through the switch port. The switch port does not forward traffic from
devices outside the defined group of devices. A security violation occurs when
any of the following conditions occur:
• A device, which has a MAC address different from any identified secure
MAC addresses, attempts to access the switch port.
• The number of MAC addresses on the port exceeds the maximum
number that is supported on the port.
Port security supports multiple security levels:
• The ability to define the number of devices that are connected to a given
port. Devices are assigned on a first-come, first-served basis and time out
after a certain period of inactivity.
• The ability to store the existing MAC Address configuration by
selecting Add Learned MAC Addresses on the Static MAC Address
Table.
• The ability to add and remove manually MAC Addresses on a per port
basis.
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