**To update a service mesh** The following ``update-mesh`` example uses a JSON input file to update a service mesh to allow all external egress traffic to be forwarded through the Envoy proxy untouched. :: aws appmesh update-mesh \ --cli-input-json file://update-mesh.json Contents of ``update-mesh.json``:: { "meshName": "app1", "spec": { "egressFilter": { "type": "ALLOW_ALL" } } } Output:: { "mesh": { "meshName": "app1", "metadata": { "arn": "arn:aws:appmesh:us-east-1:123456789012:mesh/app1", "createdAt": 1563809909.282, "lastUpdatedAt": 1563812829.687, "uid": "a1b2c3d4-5678-90ab-cdef-11111EXAMPLE", "version": 2 }, "spec": { "egressFilter": { "type": "ALLOW_ALL" } }, "status": { "status": "ACTIVE" } } } For more information, see `Service Meshes <https://docs.aws.amazon.com/app-mesh/latest/userguide/meshes.html>`__ in the *AWS App Mesh User Guide*.