Oracle Linux: High Percentage Of ICMP Packet Drops Revealed During Inbound Flood Ping
Last updated on MAY 08, 2018
Applies to:Oracle VM - Version 3.3.5 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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