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Month: August 2021

MTU and MSS for IPsec Overhead

A Deep Dive and Byte-for-Byte breakdown of IPsec overhead to aid in calculating MSS Clamping, understanding why it’s needed, and its effects. Whats the difference between MTU and MSS? MTU or Maximum Transmission Unit is the largest IP Payload an interface can accept. It applies to the whole IP Packet.…

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