How to change podman network_backend ?

Solution In Progress - Updated -

Environment

  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • podman 4+

Resolution

  • One can change the network_backend from CNI to netavark and vice versa by making changes to containers.conf
  • Edit the file /etc/containers/containers.conf (create one if already not present) to include the below lines,
Raw
[network]
network_backend = "netavark"
  • Specify "netavark" or "CNI" as per requirement.

Note:
- This change will affect both root and rootless users
- Existing containers will be stopped and it may need to be started back manually

Diagnostic Steps

  • network_backend can be checked from podman info
Raw
# podman info | grep networkBackend
  networkBackend: netavark

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