[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2025-09-01 (世界標準時間)。"],[],[],null,["# Rules for including VPC networks in service perimeters\n\nThis document lists the rules to add VPC networks to VPC Service Controls.\n\nWhen you add VPC networks to service perimeters, the following rules apply:\n\n- If the host project is not protected by a perimeter, you can add VPC networks in the host project to separate perimeters under the same access policy.\n\n- VPC networks in the same host project must exist under the same access policy.\n\n- You can add VPC networks and their host project to the same perimeter.\n\n- VPC networks and their host project must not exist in different perimeters.\n\n- You cannot add a VPC network to multiple perimeters.\n\n- You cannot use VPC networks in a perimeter bridge.\n\n- If a VPC network's parent project is in a perimeter bridge,\n you cannot add the VPC network to a perimeter.\n\nWhat's next\n-----------\n\n- Learn about how to [create service perimeters](/vpc-service-controls/docs/create-service-perimeters)."]]