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This article is to share with you about how to change the MTU value under Linux. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

MTU is the abbreviation of Maximum Transmission Unit, that is, the largest transmission unit, its units are bytes. In our commonly used Ethernet, the MTU is usually 1500, while the default for wireless routers is 1492.

Method 1:

Ifconfig [size] up instance: ifconfig eth0 mtu 1500 up

Pros: all Linux distributions are common; disadvantages: invalidation after restart.

Method 2: modify the configuration file, which is permanently valid

Add this command to vi / etc/sysconfig/network-scritps/ifcfg-eth0MTU= "1500" #. Restart the Nic after saving it to take effect on service network restart

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