nmcli:Failed to modify connection 'ens192': ipv4.dns-data: unknown property after Network Manger upgrade

Solution Verified - Updated -

Environment

Red Hat Enterprise Linux 9

Issue

  • "Failed to modify connection 'ens192': ipv4.dns-data: unknown property"
  • Unable to disable ipv4 properties after NetworkManager upgrade.

Resolution

  • A reboot of the system is required after the NetworkManager upgrade to disable the ipv4.method properly.
    Post reboot:
   #nmcli connection modify ens192 ipv4.method disabled
   #nmcli connection up ens192
  • If you are still facing any issues then feel free to open a support case with us for further assistance.
    Supportcase

Root Cause

  • The NetworkManager package has been upgraded due to that we are getting the error. A clean reboot of the system will fix the issue.

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