How to make temporary changes to a NetworkManager connection with nmcli

Solution Verified - Updated -

Issue

  • How to make temporary changes to a NetworkManager connection with nmcli.
  • How to avoid updating the persistent ifcfg configuration when modifying a network connection using nmcli
  • What does the --temporary nmcli parameter do?

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8

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