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Oracle Linux: High Percentage Of ICMP Packet Drops Revealed During Inbound Flood Ping (Doc ID 2393866.1)

Last updated on JUNE 02, 2022

Applies to:

Oracle VM - Version 3.3.5 and later
Oracle Cloud Infrastructure - Version N/A and later
Information in this document applies to any platform.


 A flood ping sends ping packets to the destination, possibly using a burst of transmissions, and displays a dot (.) for each returned ping echo.  The network is showing an extremely high packet drop rate.  This is denoted by the dot not being displayed.


The file /etc/sysctl.conf has a line which reads:

which was done as part of a network troubleshooting exercise.


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