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How to Change MTU Size on Oracle Linux 6 and 7

edited Apr 12, 2022 3:12PM in Cloud Infrastructure - Linux

TCP based networks send data in packets via network interfaces. The Maximum Transmission unit (MTU) set on a network device defines the maximum size of a single packet that can be transmitted by the network device. The MTU size needs to be consistent within a network, otherwise errors, including ssh connections stalling can occur with packets being dropped due to MTU sizes being inconsistent between a client and a server on the same network.

If you are experiencing dropped packets and ssh or other network connections stalling or hanging, you may have inconsistent MTU sizes on different network interfaces on your network. To fix this, do the following:

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