Bandwidth Qurey

ensure is it setup correctly

There are 2 methos exists

1.Check with CloudTrail

Execute the API and check it via CloudTrail. Check CloudTrail logs, vpcEndpointId field exists.

$ aws s3 ls s3://YOUR-BUCKET/
Check the CloudTrail log and if the vpcEndpointId field exists, success.

{
    ...
    "eventSource": "s3.amazonaws.com",.
    "eventName": "ListBuckets",.
    ...
    "sourceIPAddress": "10.30.0.160", ...
    ...
    "vpcEndpointId": "vpce-0554e2f536c2ae78c", ...
    ...
}

2.Executing command from private subnet

As a way to check for private subnet limitation, it is successful if the API can be executed even though it cannot communicate with the Internet.