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- What's New
- Function Overview
- Product Bulletin
- Service Overview
- Billing
- Getting Started
- User Guide
-
Best Practices
- Direct Connect Best Practices
- Connecting an On-Premises Data Center to a VPC over a Single Connection and Using Static Routing to Route Traffic
- Connecting an On-Premises Data Center to a VPC over a Single Connection and Using BGP Routing to Route Traffic
- Connecting an On-Premises Data Center to a VPC over Two Connections in Load Balancing Mode (Virtual Gateway)
- Connecting an On-Premises Data Center to a VPC over Two Connections in an Active/Standby Pair (Virtual Gateway)
- Connecting an On-Premises Data Center to Multiple VPCs that Do Not Need to Communicate with Each Other
- Connecting an On-Premises Data Center to Multiple VPCs in the Same Region Using Direct Connect and VPC Peering
- Using a Public NAT Gateway and Direct Connect to Accelerate Internet Access
- Allowing On-Premises Servers to Access Cloud Services Using Direct Connect and VPC Endpoint
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API Reference
- Before You Start
- API Overview
- Calling APIs
-
API
- Connections
- Virtual Gateways
-
Virtual Interfaces
- Creating a Virtual Interface
- Querying the Virtual Interface List
- Querying Details About a Virtual Interface
- Updating a Virtual Interface
- Deleting a Virtual Interface
- Creating a Virtual Interface Peer
- Updating a Virtual Interface Peer
- Deleting a Virtual Interface Peer
- Performing a Virtual Interface Switchover Test
- Querying the List of Virtual Interface Switchover Test Records
- Tag Management
- Quota Management
- Global DC Gateways
- Peer Links
- Connect Gateways
- Global EIPs
- Global DC Gateway Route Tables
- Public Parameters
- Appendix
- SDK Reference
- Troubleshooting
-
FAQs
-
Popular Questions
- What Are the Network Requirements for Connections?
- What Locations Are Available for Direct Connect?
- How Do I Select a Carrier When Purchasing a Connection?
- How Will I Be Billed for Direct Connect?
- How Do I Submit a Service Ticket?
- How Do I Test the Network Connectivity Between a Location and the Cloud?
- What Do I Do If I Select the Wrong Carrier When Creating a Connection?
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Product Consultation
- What Are the Network Requirements for Connections?
- What Are 1GE and 10GE?
- What Locations Are Available for Direct Connect?
- Is BGP Routing Supported in Direct Connect?
- What Is Full-Service Installation Statement?
- How Do I Submit a Service Ticket?
- What Are the Network Latency and Packet Loss Rate of a Connection?
- Are the Uplink and Downlink Bandwidths of a Direct Connect Connection the Same?
- What Do I Do If I Select the Wrong Carrier When Creating a Connection?
- How Do I Plan the VPCs for a New Connection?
- What Are Local and Remote Gateways (Interconnection IP Addresses)?
- How Do I Configure BFD for a Connection?
- Leased Line
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Interconnection with the Cloud
- Can I Access the Same VPC over Multiple Connections?
- How Do I Plan the CIDR Blocks for a Connection?
- What Should I Consider When I Use Direct Connect to Access the Cloud?
- Does Direct Connect Support NAT?
- Can the VLAN of the On-premises Network Be Used in the VPC Through Direct Connect?
- Can My On-Premises Data Center Access Multiple VPCs Through One Connection?
- Can Direct Connect Be Used with Similar Services of Other Cloud Service Providers?
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Networking and Scenarios
- Can Multiple Connections Access the Same VPC?
- Can My On-Premises Data Center Access Multiple VPCs Through One Connection?
- Can Direct Connect Be Used with Similar Services of Other Cloud Service Providers?
- Can I Limit the Bandwidth Available on Each Hosted Connection?
- How Do I Plan the VPCs for a New Connection?
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Related Console Operations
- How Do I Submit a Service Ticket?
- How Can I Unsubscribe from Direct Connect?
- What Parameters Can Be Modified After I Have Created a Virtual Interface?
- Do I Need to Delete the Virtual Gateway and Virtual Interface Before Deleting a Hosted Connection?
- How Do I Change the Routing Mode of a Connection?
- How Do I Delete a Hosted Connection?
- What Is the BGP ASN Used by Huawei Cloud?
- What Are Local and Remote Gateways (Interconnection IP Addresses)?
- Troubleshooting
- Billing
- Resource Monitoring
- Quota
-
Popular Questions
-
More Documents
- User Guide (ME-Abu Dhabi Region)
- User Guide (Paris Region)
- eu-west-0-api
- User Guide (Kuala Lumpur Region)
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API Reference (Kuala Lumpur Region)
- Before You Start
- API Overview
- Calling APIs
- API Usage
-
API
- Connection
- Virtual Gateway
-
Virtual Interface
- Querying Details About a Virtual Interface
- Updating a Virtual Interface
- Deleting a Virtual Interface
- Querying the Virtual Interface List
- Creating a Virtual Interface
- Updating a Virtual Interface Peer
- Deleting a Virtual Interface Peer
- Creating a Virtual Interface Peer
- Performing a Virtual Interface Switchover Test
- Querying the Switchover Test Records of a Virtual Interface
- Tag management
- Quota Management
- Public Parameters
- Appendixes
- Change History
- General Reference
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Concepts
- Account
An account is created upon successful signing up. The account has full access permissions for all of its cloud services and resources. It can be used to reset user passwords and grant user permissions. The account is a payment entity, which should not be used directly to perform routine management. For security purposes, create Identity and Access Management (IAM) users and grant them permissions for routine management.
- User
An IAM user is created by an account in IAM to use cloud services. Each IAM user has its own identity credentials (password and access keys).
API authentication requires information such as the account name, username, and password.
- Region
A region is a geographic area in which cloud resources are deployed. Availability zones (AZs) in the same region can communicate with each other over an intranet, while AZs in different regions are isolated from each other. Deploying cloud resources in different regions can better suit certain user requirements or comply with local laws or regulations.
- AZ
An AZ comprises of one or more physical data centers equipped with independent ventilation, fire, water, and electricity facilities. Computing, network, storage, and other resources in an AZ are logically divided into multiple clusters. AZs within a region are interconnected using high-speed optical fibers to allow you to build cross-AZ high-availability systems.
- Project
A project corresponds to a region. Default projects are defined to group and physically isolate resources (including computing, storage, and network resources) across regions. Users can be granted permissions in a default project to access all resources under their accounts in the region associated with the project. If you need more refined access control, create subprojects under a default project and create resources in subprojects. Then you can assign users the permissions required to access only the resources in the specific subprojects.
Figure 1 Project isolation model - Enterprise Project
Enterprise projects group and manage resources across regions. Resources in different enterprise projects are logically isolated. An enterprise project can contain resources of multiple regions, and resources can be added to or removed from enterprise projects.
For details about enterprise projects and about how to obtain enterprise project IDs, see Enterprise Management User Guide.
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