Create and manage Amazon VPC Transit Gateways Flow Logs using APIs or the CLI

• --resource-ids has a maximum constraint of 25 TransitGateway or TransitGatewayAttachment resource types.

• --traffic-type is not a required field by default. An error is returned if you provide this for transit gateway resource types. This limit applies only to transit gateway resource types.

• --max-aggregation-interval has a default value of 60, and is the only accepted value for transit gateway resource types. An error is returned if you try to pass any other value. This limit applies only to transit gateway resource types.

• --resource-type supports two new resource types, TransitGateway and TransitGatewayAttachment.

• --log-format includes all log fields for transit gateway resource types if you do not set which fields you want to include. This applies only to transit gateway resource types.

Create a flow log

• create-flow-logs (AWS CLI)

• New-EC2FlowLog (AWS Tools for Windows PowerShell)

Describe your flow logs

• describe-flow-logs (AWS CLI)

• Get-EC2FlowLog (AWS Tools for Windows PowerShell)

View your flow log records (log events)

• get-log-events (AWS CLI)

• Get-CWLLogEvent (AWS Tools for Windows PowerShell)

Delete a flow log

• delete-flow-logs (AWS CLI)

• Remove-EC2FlowLog (AWS Tools for Windows PowerShell)