MACsec
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MACsec bounded delay protection (PTX10002-36QDD)—You can enable Media Access Control Security (MACsec) bounded delay protection to protect your network against man-in-the-middle attacks. When you enable MACsec bounded delay protection, the device ensures that a frame is not sent after a delay of two seconds or more. MACsec periodically compares the number of frames transmitted to the number received. If a frame is sent but not received within two seconds, such as during a man-in-the-middle-attack, MACsec drops the packet.