RHEL 8: ifup fails with "Error: unknown connection '/etc/sysconfig/network-scripts/ifcfg-ensX'"

Solution In Progress - Updated -


  • If use NM_CONTROLLED=no in ifcfg file, unable to bring up interfaces with 'ifup' command.
  • ifup commands fails with below error when try to bring up ens3 interface.
# ifup ens3
Error: unknown connection '/etc/sysconfig/network-scripts/ifcfg-ens3'. 


  • Red Hat Enterprise Linux 8

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In