MTU

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wikipedia:Maximum transmission unit (MTU)


Change configuration on Linux:

  • ifconfig -a | grep mtu
ifconfig -a | grep mtu
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 9001
  • ping -M do -s 9000 <some_ip_address>
Select Path MTU Discovery strategy. hint may be either do (prohibit fragmentation, even local one), want (do PMTU discovery, fragment locally when packet size is large), or don't (do not set DF flag).
  • netsh interface ipv4 show interfaces

Related terms

See also

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