Purpose Of Path MTU Discovery
The purpose of Path MTU Discovery (PMTUD) is to help a host discover the smallest MTU along a network path so it can avoid IP fragmentation . [:cite[1]{ln=1}] It does this by using ICMP “Fragmentation Needed” messag...
The purpose of Path MTU Discovery (PMTUD) is to help a host discover the smallest MTU along a network path so it can avoid IP fragmentation . [:cite[1]{ln=1}] It does this by using ICMP “Fragmentation Needed” messages from the network when a packet is too large. [:cite[1]{ln=2}]