RHEL7: Interfaces that are reconfigured for static lose their IP Addresses

Solution In Progress - Updated -

Issue

  • VMs suddenly loses network connection.
  • We have a script that monitors the client getting a DHCP address from a DHCP server. Then the script updates the interfaces /etc/sysconfig/network-scripts/ifcfg file. A while later the DHCP lease expires and then the NICs IP Address is lost.
  • This did not happen on RHEL6.

Environment

  • Red Hat Enterprise Linux 7
  • Puppet

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