背景信息

服務關聯角色SLR（Service Linked Role）是指與某個云服務關聯的RAM角色。在某些場景下，為了完成云服務的某個功能，需要獲取其他云服務的訪問權限。通過服務關聯角色，您可以更好地創建云服務正常操作所需的權限，避免誤操作帶來的風險。關于服務關聯角色的更多信息，請參見服務關聯角色。

創建服務關聯角色AliyunServiceRoleForCEN

您在企業版轉發路由器中創建專有網絡VPC（Virtual Private Cloud）網絡實例連接時，系統將會為您自動創建一個名稱為AliyunServiceRoleForCEN的服務關聯角色，并且為該角色添加名稱為AliyunServiceRolePolicyForCEN的權限策略，該權限會允許企業版轉發路由器在VPC中創建彈性網卡，作為VPC發往企業版轉發路由器的流量入口。權限策略內容如下：

{
  "Version": "1",
  "Statement": [
    {
      "Action": [
        "vpc:DescribeVSwitchAttributes",
        "vpc:CreateRouteEntries",
        "vpc:DeleteRouteEntries",
        "vpc:DescribeRouteEntryList",
        "vpc:GetVpcRouteEntrySummary"
      ],
      "Resource": "*",
      "Effect": "Allow"
    },
    {
      "Action": [
        "ecs:CreateNetworkInterface",
        "ecs:CreateSecurityGroup",
        "ecs:AuthorizeSecurityGroup",
        "ecs:RevokeSecurityGroup",
        "ecs:DeleteSecurityGroup",
        "ecs:JoinSecurityGroup",
        "ecs:DeleteSecurityGroup",
        "ecs:LeaveSecurityGroup",
        "ecs:DescribeSecurityGroups",
        "ecs:AttachNetworkInterface",
        "ecs:DetachNetworkInterface",
        "ecs:DeleteNetworkInterface",
        "ecs:DescribeNetworkInterfaces",
        "ecs:CreateNetworkInterfacePermission",
        "ecs:DescribeNetworkInterfacePermissions",
        "ecs:DeleteNetworkInterfacePermission",
        "ecs:CreateSecurityGroupPermission",
        "ecs:AuthorizeSecurityGroupPermission",
        "ecs:RevokeSecurityGroupPermission",
        "ecs:DeleteSecurityGroupPermission",
        "ecs:JoinSecurityGroupPermission",
        "ecs:DeleteSecurityGroupPermission",
        "ecs:LeaveSecurityGroupPermission",
        "ecs:DescribeSecurityGroupPermissions",
        "ecs:AttachNetworkInterfacePermissions",
        "ecs:DetachNetworkInterfacePermissions"
      ],
      "Resource": "*",
      "Effect": "Allow"
    },
    {
      "Action": [
        "expressconnectrouter:CreateExpressConnectRouterAssociation",
        "expressconnectrouter:DeleteExpressConnectRouterAssociation"
      ],
      "Resource": "*",
      "Effect": "Allow"
    },
    {
      "Action": "ram:DeleteServiceLinkedRole",
      "Resource": "*",
      "Effect": "Allow",
      "Condition": {
        "StringEquals": {
          "ram:ServiceName": "cen.aliyuncs.com"
        }
      }
    }
  ]
}

刪除服務關聯角色AliyunServiceRoleForCEN

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