Use the modinfo command to confirm that the ENA module is present: modinfo ena Regenerate the kernel module dependency map files: sudo depmodĥ.

Copy the module to the modules directory: sudo cp ena.ko /lib/modules/$(uname -r)/Ĥ. Install the development package for building kernel modules to match the kernel: sudo yum install kernel-devel-$(uname -r) gcc git patch rpm-build wget -yģ. Update the kernel and reboot the system so that the latest kernel takes effect: sudo yum upgrade kernel -y & sudo rebootĢ. If you want to use a Nitro-based, or any instance type with NVMe instance store volumes, upgrade to RHEL 7.4 or higher.ġ. Note: RHEL 6 doesn't come with Amazon EC2 production-ready NVMe drivers and you can't upgrade to NVME drivers separately. If your operating system uses predictable network names, the network name might be different. The default name for a single interface is eth0. Replace eth0 with the name of the interface that you want to check. Validate that the ENA driver loaded on the instance using the following command. If you receive errors when running AWS CLI commands, make sure that you’re using the most recent version of the AWS CLI.ĥ. Note: If the AWS CLI isn't installed on your instance, you can install and configure it. Run the following AWS Command Line Interface (AWS CLI) command: aws ec2 modify-instance-attribute -instance-id i-xxxxxxxxxxxxxxxxx -ena-support -region xx-xxxxx-x Be sure that you back up any data that you want to keep on an instance store volume.ģ. For more information, see Determine the root device type of your instance. Note: Data in instance store volumes is lost when an instance is stopped. Run the following command to upgrade the kernel to the latest version: sudo yum upgrade kernel -y For more information, see Enable enhanced networking with the Elastic Network Adapter (ENA) on Linux instances. RHEL 7.4 and later AMIs come preinstalled with the module needed for enhanced networking with ENA.

Note: It's a best practice to create a snapshot of your instance before proceeding with the following resolution. For Nitro instances, the ENA driver is required to change your EC2 instance type for network connectivity.

Some earlier versions of the Red Hat Enterprise Linux operating system don't include an ENA driver.

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