MACsec is layer-2 and is done hop-by-hop. Also, not every device can support it.
2.1 Benefits and Limitations
MACsec offers the following benefits on wired networks:
• Confidentiality: MACsec helps ensure data confidentiality by providing strong encryption at Layer 2.
• Integrity: MACsec provides integrity checking to help ensure that data cannot be modified in transit.
• Flexibility: You can selectively enable MACsec using a centralized policy, thereby helping ensure that MACsec is enforced where required while allowing non-MACsec-capable components to access the network.
• Network intelligence: Unlike end-to-end, Layer 3 encryption techniques that hide the contents of packets from the network devices they cross, MACsec encrypts packets on a hop-by-hop basis at Layer 2, allowing the network to inspect, monitor, mark, and forward traffic according to your existing policies.
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Have you ever wondered why pluggable optics exist? Have you ever wondered what acronyms like QSFP, LR4, FEC, and PAM4 actually mean? In this episode I continue my conversation with my colleague Ray Nering. He explains to me how a lot of these came to be, ...
Community Live- Smart Licensing Using Policy (Routing) – A Simplified Licensing Approach
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Today I'm going to write SD-WAN Overview & Advanced Deployment Lab Part ||* check out SD-WAN Overview & Advanced Deployment Lab Part | through this link : https://community.cisco.com/t5/networking-documents/sd-wan-overview-amp-advan...
Have you ever wondered why pluggable optics exist? Have you ever wondered what acronyms like QSFP, LR4, FEC, and PAM4 actually mean? In this first episode I start a conversation with my colleague Ray Nering. He explains to me how a lot of these came to be...