AWS NAT ゲートウェイ監視
概要
AWS NAT ゲートウェイは、Amazon Web
Servicesが提供するネットワークアドレス変換（NAT）サービスです。プライベートサブネット内のインスタンスをVPC外のサービスに接続する際に、インターネットからのインバウンドトラフィックがこれらのインスタンスに直接到達するのを防ぐことができます。
Applications ManagerのAWS NAT
ゲートウェイ監視ツールは、トラフィックフローを把握し、NATゲートウェイのパフォーマンスを最適化するための信頼性の高いオプションを提供します。
新規監視追加
新規にAWS NAT ゲートウェイ監視を追加する方法はこちらをご参照ください。
監視対象パラメーター
［監視］タブをクリックして、監視カテゴリービューへ移動します。［クラウド］カテゴリーから［Amazon］配下から［NAT ゲートウェイ］をクリックします。
一括設定ビューが3つのタブに分類のうえ表示されます。
- ［可用性］タブ：最新24時間か30日の可用性履歴がわかります。
- ［パフォーマンス］タブ：最新24時間か30日のステータスとイベントを確認可能です。
- ［リストビュー］タブ：一括管理設定を実行できます。
AWS NAT ゲートウェイ監視で対応するタブで監視できるメトリクスのリストは次のとおりです。
パフォーマンス概要
| パラメーター | 説明 |
|---|---|
| CONNECTION STATISTICS | |
| Connection Attempts (Avg) | The average number of connection attempts made through the NAT gateway between the poll interval. |
| Connection Attempts (Total) | The total number of connection attempts made through the NAT gateway between the poll interval. |
| Connections Established (Avg) | The average number of connections established through the NAT gateway between the poll interval. |
| Connections Established (Total) | The total number of connections established through the NAT gateway between the poll interval. |
| ACTIVE CONNECTIONS | |
| Active Connections | The maximum number of concurrent active TCP connections through the NAT gateway between the poll interval. |
| DATA IN THROUGHPUT | |
| Bytes In From Source | The number of bytes received by the NAT gateway from clients in your VPC between the poll interval (in MB/s). |
| Bytes In From Destination | The number of bytes received by the NAT gateway from the destination between the poll interval (in MB/s). |
| DATA OUT THROUGHPUT | |
| Bytes Out To Source | The number of bytes sent through the NAT gateway to the clients in your VPC between the poll interval (in MB/s). |
| Bytes Out To Destination | The number of bytes sent out through the NAT gateway to the destination between the poll interval (in MB/s). |
| PACKETS IN THROUGHPUT | |
| Packets In from Source | The number of packets received by the NAT gateway from clients in your VPC between the poll interval (in packets/s). |
| Packets In from Destination | The number of packets received by the NAT gateway from the destination between the poll interval (in packets/s). |
| PACKETS OUT THROUGHPUT | |
| Packets Out to Source | The number of packets sent through the NAT gateway to the clients in your VPC between the poll interval (in packets/s). |
| Packets Out to Destination | The number of packets sent out through the NAT gateway to the destination between the poll interval (in packets/s). |
| PEAK BYTES | |
| Peak Bytes | The maximum data throughput in kilo bytes per second, aggregated between the polling interval (in kB/s). |
| PEAK PACKETS | |
| Peak Packets | The maximum packet processing rate per second, based on averages calculated between the polling interval (in packets/s). |
| PACKET DROPS | |
| Packet Drops | The number of packets dropped by the NAT gateway between the poll interval. |
| ERROR PORT ALLOCATION | |
| Error Port Allocation | The number of times the NAT gateway could not allocate a source port between the poll interval. |
| IDLE CONNECTION TIMEOUTS | |
| Idle Connection Timeouts | The number of connections that transitioned from the active state to the idle state between the poll interval. |
設定
| パラメーター | 説明 |
|---|---|
| Name | The name of the NAT gateway. |
| Status | The current state of the NAT gateway. Possible values: Pending, Failed, Available, Deleting, Deleted. |
| Status Message | Additional details about the current state of the NAT gateway, if applicable. |
| Connectivity Type | Indicates whether the NAT gateway supports public or private connectivity. Possible values: private/ public. |
| Subnet ID | The ID of the subnet in which the NAT gateway is located. |
| VPC ID | The ID of the VPC in which the NAT gateway is located. |
| Created Time | The date and time the NAT gateway was created. |
| Deleted Time | The date and time the NAT gateway was deleted, if applicable. |
| Network Interface ID | The ID of the network interface associated with the NAT gateway. |
| Private IP Address | The private IP address assigned to the NAT gateway. |
| Elastic IP Address | The Elastic IP address associated with the NAT gateway. |