Disable Continuous Pings From Nodes To Google DNS (8.8.8.8)

Problem

Continuous pings are seen from cluster nodes to Google DNS (8.8.8.8)

Environment

• Platform9 Managed Kubernetes - All Versions

Cause

These ping packets are originated from pf9-muster component periodically for doing Internet connectivity health check.

Resolution

If the ICMP request is blocked in the environment or not desired, this behavior can be disabled with following procedure.

1. Comment/Remove the "task pingmaker" line in the muster configuration and template as below:

a. Muster Config:

~]# grep "#" /etc/pf9/muster.conf

#task pingmaker

b. Muster Template:

~]# grep "#" /etc/pf9/muster.template

#task pingmaker

2. Restart the muster service:

~]# /etc/init.d/pf9-muster restart