特定の移行シナリオでは、移行元データベースと移行先データベースの間に直接接続を確立できない場合があります。このような場合は、トラフィックのルーティングに TCP プロキシ VM を使用することをおすすめします。Database Migration Service によって生成された自動スクリプトを使用して、TCP プロキシ VM を設定できます。
[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["わかりにくい","hardToUnderstand","thumb-down"],["情報またはサンプルコードが不正確","incorrectInformationOrSampleCode","thumb-down"],["必要な情報 / サンプルがない","missingTheInformationSamplesINeed","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-08-18 UTC。"],[[["\u003cp\u003eIn migration scenarios where direct connectivity between source and destination databases is not possible, a TCP proxy VM is recommended for routing traffic.\u003c/p\u003e\n"],["\u003cp\u003eDatabase Migration Service can generate a script to automate the setup of a Compute Engine VM instance, which acts as a transparent TCP proxy, within the same project and VPC as the destination database.\u003c/p\u003e\n"],["\u003cp\u003eWhen setting up connectivity, users can select "Proxy via cloud-hosted VM - TCP" and specify the Compute Engine VM's configuration, such as name, machine type, and subnetwork.\u003c/p\u003e\n"],["\u003cp\u003eBy default, the proxy VM is assigned both private and public IP addresses, but users can configure it with only a private IP by enabling Private Google Access and modifying the generated script.\u003c/p\u003e\n"],["\u003cp\u003eAfter setting up the proxy, it's essential to update security settings, such as \u003ccode\u003epg_hba.conf\u003c/code\u003e or security groups, to accept connections from the TCP proxy's outgoing IP address, and test the connection before creating the migration job.\u003c/p\u003e\n"]]],[],null,[]]
