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How to Check if the MTU Value on OCI Instances Is Correct to Avoid Connection Time Outs from On-Premise. (Doc ID 2518081.1)

Last updated on SEPTEMBER 14, 2021

Applies to:

Oracle Cloud Infrastructure - Version N/A and later
Linux OS - Version Oracle Linux 6.0 to Oracle Linux 7.6 with Unbreakable Enterprise Kernel [4.14.35] [Release OL6 to OL7U6]
Linux x86-64
Linux x86-64 on Oracle Public Cloud


The main goal of this document is to explain how to check if the correct MTU size is used  on the OCI instances to avoid time outs while connecting to it.

Connecting to OCI Instances on puclic interface can get  time out if the correct MTU is not used, this can be check with a ping command to determine if the MTU size accepts larger packets, this is explain below.


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