The error typically occurs on network switches (Cisco, HP, Arista, etc.) or routers when you try to force a speed or duplex setting on a port, but the command conflicts with the current configuration or hardware capabilities.
If interface is a member, remove it or change duplex at the port-channel level. command failed port not compatible duplex mode
– In Jinja2 templates, use conditionals: The error typically occurs on network switches (Cisco,
The error Command failed: Port not compatible duplex mode is essentially the switch’s way of saying, "I cannot enforce the configuration you just asked for because it physically or logically conflicts with the current state of the port." command failed port not compatible duplex mode