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If utilizing the EC2 launch sort, the allowable community mode is determined by the underlying EC2 occasion’s working system. If Linux, awsvpc, bridge, host and none mode can be utilized. If Home windows, solely the NAT mode is allowed.
If utilizing the Fargate launch sort, the ‘awsvpc’ is the one community mode supported.
Amazon ECS activity networking
The networking habits of Amazon ECS duties hosted on Amazon EC2 cases relies on the community mode outlined within the activity definition. The next are the obtainable community modes. Amazon ECS recommends utilizing the awsvpc community mode except you may have a selected want to make use of a distinct community mode.
- awsvpc — The duty is allotted its personal elastic community interface (ENI) and a main personal IPv4 handle. This provides the duty the identical networking properties as Amazon EC2 cases.
- bridge — The duty makes use of Docker’s built-in digital community which runs inside every Amazon EC2 occasion internet hosting the duty.
- host — The duty bypasses Docker’s built-in digital community and maps container ports on to the ENI of the Amazon EC2 occasion internet hosting the duty. In consequence, you possibly can’t run a number of instantiations of the identical activity on a single Amazon EC2 occasion when port mappings are used.
- none — The duty has no exterior community connectivity.
For extra details about Docker networking, see Networking overview
- NAT – Docker for Home windows makes use of a distinct community mode (generally known as NAT) than Docker for Linux.
Word: For those who create an ECS activity defintion within the AWS console and select EC2 launch sort there’s a “Community Mode:
By default, each Amazon ECS activity on Fargate is supplied an elastic community interface (ENI) with a main personal IP handle.
