Common Questions Overview

VPC VPC

  • API Reference
    • ACL-Related Interfaces
      • Add ACL rule
      • Delete ACL rules
      • Query ACL rules
      • Query ACL
      • Update ACL rules
    • API function release records
    • API Overview
    • Appendix
    • Common Headers and Error Responses
    • Dedicated Gateway-Related Interfaces
      • Bind physical dedicated line
      • Create dedicated gateway
      • Create health check for dedicated gateway
      • Query dedicated gateway details
      • Query dedicated gateway list
      • Release dedicated gateway
      • Unbind physical dedicated line
      • Update dedicated gateway
    • Elastic Network Interface-Related Interfaces
      • Add intranet IP to elastic network interface in batches
      • Add Secondary IP Address of Elastic Network Interface
      • Create elastic network interface
      • Delete elastic network interface
      • Delete Intranet IP from elastic network interface in batches
      • Delete Secondary IP Address of Elastic Network Interface
      • Elastic network interface binds to EIP
      • Elastic Network Interface Mounts Cloud Product Instance
      • Elastic network interface unbinds from EIP
      • Elastic Network Interface Unmounts Cloud Product Instance
      • Query elastic network interface list
      • Query elastic network interface status
      • Query the specified elastic network interface
      • Update elastic network interface with enterprise security group
      • Update elastic network interface with regular security group
      • Update elastic network interface
    • Gateway Bandwidth Limiting Rule Related Interfaces
      • Create gateway bandwidth limiting rules
      • Delete Gateway Bandwidth Limiting Rule
      • Modify Gateway Bandwidth Limiting Rule
      • View Gateway Bandwidth Limiting Rule
    • General Description
    • High-Availability Virtual IP Address（HAVIP） Related Interfaces
      • Bind EIP to high-availability virtual IP address
      • Bind instance to high-availability virtual IP address
      • Create high-availability virtual IP address
      • Delete high-availability virtual IP address
      • Query high-availability virtual IP address list
      • Query the specified high-availability virtual IP address
      • Unbind EIP from high-availability virtual IP address
      • Unbind instance from high-availability virtual IP address
      • Update high-availability virtual IP address
    • Interface Overview
    • IPv6 Gateway-Related Interfaces
      • Add IPv6 egress-only policy
      • Bandwidth resizing for IPv6 gateway
      • Create IPv6 gateway bandwidth limiting policy
      • Create IPv6 gateway
      • Delete IPv6 gateway bandwidth limiting policy
      • Delete IPv6 Gateway
      • Delete the IPv6 egress-only policy
      • Query IPv6 gateway bandwidth limiting policy list
      • Query IPv6 gateway
      • Query the IPv6 egress-only policy list
      • Update IPv6 gateway bandwidth limiting policy
      • Update the IPv6 gateway release protection switch
    • NAT Gateway-Related Interfaces
      • Bind DNAT EIP to the NAT gateway
      • Bind SNAT EIP to the NAT gateway
      • Create DNAT rules in batches
      • Create DNAT rules
      • Create NAT gateway
      • Create SNAT rules in batches
      • Create SNAT rules
      • Delete DNAT rules
      • Delete SNAT rules
      • NAT Gateway Binds EIP
      • NAT gateway renewal
      • NAT Gateway Resize
      • NAT Gateway Unbinds EIP
      • Query DNAT rules
      • Query NAT gateway details
      • Query NAT gateway list
      • Query SNAT rules
      • Release NAT gateway
      • Unbind DNAT EIP from the NAT gateway
      • Unbind SNAT EIP from the NAT gateway
      • Update DNAT rules
      • Update NAT Delete Protection Switch
      • Update NAT gateway name
      • Update SNAT rules
    • Network Detection Related Interfaces
      • Create Network Probe
      • Delete network probe
      • Query network probe details
      • Query network probe list.
      • Update probe
    • Parameter Template-Related Interfaces
      • Add IP addresses to the IP address family
      • Add IP addresses to the IP address group
      • Create IP address family
      • Create IP address set
      • Delete IP address family
      • Delete IP address from IP address group
      • Delete IP address set
      • Query IP address family list
      • Query IP address group list
      • Query specified IP address family
      • Query specified IP address group
      • Remove IP address group from IP address family
      • Update IP address family
      • Update IP address set
    • Peering Connections-Related Interfaces
      • Application to process the peering connection
      • Bandwidth resizing for peering connections
      • Create peering connections
      • Disable DNS synchronization for the peering connections.
      • Enable DNS synchronization for the peering connections
      • List of peering connections to be queried.
      • Peering connection renewal
      • Release peering connections
      • Update the local API name and remarks for peering connections
      • Update the peering connection release protection switch
      • View details of peering connection
    • Route Table Related Interfaces
      • Create route rules
      • Delete route rules
      • Primary-standby switch
      • Query route table
      • Query routing rules
      • Update route rules
    • Security Group Related Interfaces
      • Enterprise security group
        • Authorize enterprise security group rules
        • Create enterprise security group
        • Delete enterprise security group rules
        • Delete enterprise security group
        • Query enterprise security group list
        • Update enterprise security group rules
      • Regular security group
        • Authorize regular security group rules
        • Create regular security group
        • Delete regular security group rules
        • Delete regular security group
        • Query regular security group list
        • Revoke regular security group rules
        • Update regular security group rules
        • View security group details
    • Service domain
    • Service Network Interface Card (SNIC)-Related Interfaces
      • Create service network interface card
      • Delete service network interface card
      • Query mountable public services
      • Query service network interface card details
      • Query service network interface card list
      • Update regular security group for service network interface card
      • Update service network interface card with enterprise security group
      • Update the service network interface card
    • Subnet-Related Interfaces
      • Create reserved network segment
      • Create subnet
      • Delete reserved network segment
      • Delete subnet
      • Query specified subnet
      • Query subnet list
      • Query the reserved network segment list
      • Update subnet
    • VPC-Related Interfaces
      • Create VPC
      • Delete VPC
      • Open VPC relay
      • Query IP Usage by Products in VPC
      • Query specified VPC
      • Query VPC intranet IP
      • Query VPC list
      • Shut down VPC relay
      • Update VPC
    • VPN-Related Interfaces
      • Bind EIP
      • Create SSL VPN server
      • Create SSL VPN users in batches
      • Create VPN tunnel
      • Create VPN
      • Delete SSL VPN server
      • Delete SSL VPN user
      • Delete VPN tunnel
      • Query SSL-VPN server
      • Query SSL-VPN user
      • Query VPN details
      • Query VPN List
      • Query VPN tunnels
      • Release VPN
      • Unbind EIP
      • Update SSL VPN server
      • Update SSL VPN user
      • Update VPN release protection switch
      • Update VPN tunnel
      • Update VPN
      • VPN gateway renewal
    • High-Availability Virtual IP Address (HAVIP) Related Interfaces
      • Bind EIP to high-availability virtual IP address
      • Bind instance to high-availability virtual IP address
      • Create high-availability virtual IP address
      • Delete high-availability virtual IP address
      • Query high-availability virtual IP address list
      • Query the specified high-availability virtual IP address
      • Unbind EIP from high-availability virtual IP address
      • Unbind instance from high-availability virtual IP address
      • Update high-availability virtual IP address
  • FAQs
    • Common Questions Overview
    • NAT FAQs
    • Route Table FAQs
    • Service Network Interface Card（SNIC） Common Questions
    • VPC FAQs
    • VPN FAQs
    • Service Network Interface Card (SNIC) Common Questions
  • Function Release Records
  • Operation guide
    • Access control
      • ACL
      • Parameter Template
      • Security group
    • Identity and access management
    • Monitor and Operations
      • NAT Gateway Instance Diagnosis
    • Network Connection
      • Dedicated gateway
      • IPv6 gateway
      • Layer 2 Gateway
      • NAT Gateway
        • Private Network NAT（Network Address Translation） Gateway
        • Public Network NAT（Network Address Translation） Gateway
        • Private Network NAT (Network Address Translation) Gateway
        • Public Network NAT (Network Address Translation) Gateway
      • Peering Connections
      • VPN Gateway
        • GRE VPN Gateway
        • IPsec VPN Gateway
        • SSL VPN Gateway
    • Network Diagnostics
      • Flow log
      • Gateway bandwidth limiting
      • Network probe
      • Path analysis
      • Port verification
      • Traffic monitor
    • Network interface card
      • Elastic network interface
      • High-availability virtual IP address (HAVIP)
      • Service network interface card
    • Network topology
    • Route table
    • Subnet
    • Tag Management
    • Using IPv6
    • VPC
  • Product Description
    • Application scenarios
    • Product advantages
    • Product features
    • Product Introduction
    • Related concepts
    • Usage restrictions
  • Product pricing
  • SDK
    • Go-SDK
      • ACL
      • Dedicated gateway
      • Elastic network interface
      • Exception handling
      • High-availability virtual IP address (HAVIP)
      • Initialization
      • Install the SDK Package
      • IPv6Gateway
      • NAT
      • Network probe
      • Overview
      • Peering Connections
      • Route
      • Security group
        • Enterprise security group
        • Regular security group
      • Service network interface card
      • Subnet
      • VPC
      • VPN
    • Java-SDK
      • ACL
      • Dedicated gateway
      • Elastic network interface
      • Enterprise security group
      • High-availability virtual IP address (HAVIP)
      • Install the SDK Package
      • IPv6 gateway
      • NAT
      • Network probe
      • Overview
      • Parameter Template
      • Peering Connections
      • Regular security group
      • Route
      • Service network interface card
      • Subnet
      • Version history
      • vpc
      • VPN
    • PHP-SDK
      • ACL
      • Install the SDK Package
      • NAT
      • Overview
      • Peering Connections
      • Route
      • Security group
      • Subnet
      • Version history
      • vpc
    • Python-SDK
      • ACL
      • Dedicated gateway
      • Elastic network interface
      • Enterprise security group
      • High-availability virtual IP address (HAVIP)
      • Install the SDK Package
      • IPv6Gateway
      • NAT
      • Network probe
      • Overview
      • Peering Connections
      • Route
      • Security group
      • Service network interface card
      • Subnet
      • Version history
      • VPC
      • VPN
  • Service Level Agreement (SLA)
    • IPv6 Gateway Service Level Agreement SLA
    • NAT（Network Address Translation） Gateway Service Level Agreement SLA
    • Peering Connections Service Level Agreement SLA
    • Service Network Interface Card（SNIC） Service Level Agreement SLA
    • VPN Gateway Service Level Agreement SLA
    • NAT (Network Address Translation) Gateway Service Level Agreement SLA
    • Service Network Interface Card (SNIC) Service Level Agreement SLA
  • Typical Practices
    • Configure Custom Service and Use Service Network Interface Card（SNIC） to Provide Service for Other VPCs
    • HAVIP Combined with Keepalived to Achieve Master-Backup Multi-Machine High Availability
    • Layer 2 Gateway Combined with Dedicated Line Access ET to Build Large Layer 2 Network Between IDC and Cloud VPC
    • Network Layer Security Description
    • Peering Connections Typical Practice
    • Security Group Configuration Practice (Advanced Level)
    • Security Group Configuration Practice (Beginner Level)
    • Typical Practice of Managing Elastic Network Interface Using Terraform
    • Typical Practice of Managing IPsec VPN Gateway Using Terraform
    • Using Keepalived in VPC to Achieve High-Availability Architecture
    • VPC Custom Route Table to Achieve Secure Traffic Mutual Access
    • Windows Using HAVIP to Configure Master-Backup Multi-Machine
    • Configure Custom Service and Use Service Network Interface Card (SNIC) to Provide Service for Other VPCs
  • VPC CLI
    • Configure BCE-CLI
    • Install BCE-CLI
    • Route Table Related Operations
    • Subnet Related Operations
    • Using VPC Service via CLI
    • Version Change Records
    • VPC Related Operations
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VPC VPC

  • API Reference
    • ACL-Related Interfaces
      • Add ACL rule
      • Delete ACL rules
      • Query ACL rules
      • Query ACL
      • Update ACL rules
    • API function release records
    • API Overview
    • Appendix
    • Common Headers and Error Responses
    • Dedicated Gateway-Related Interfaces
      • Bind physical dedicated line
      • Create dedicated gateway
      • Create health check for dedicated gateway
      • Query dedicated gateway details
      • Query dedicated gateway list
      • Release dedicated gateway
      • Unbind physical dedicated line
      • Update dedicated gateway
    • Elastic Network Interface-Related Interfaces
      • Add intranet IP to elastic network interface in batches
      • Add Secondary IP Address of Elastic Network Interface
      • Create elastic network interface
      • Delete elastic network interface
      • Delete Intranet IP from elastic network interface in batches
      • Delete Secondary IP Address of Elastic Network Interface
      • Elastic network interface binds to EIP
      • Elastic Network Interface Mounts Cloud Product Instance
      • Elastic network interface unbinds from EIP
      • Elastic Network Interface Unmounts Cloud Product Instance
      • Query elastic network interface list
      • Query elastic network interface status
      • Query the specified elastic network interface
      • Update elastic network interface with enterprise security group
      • Update elastic network interface with regular security group
      • Update elastic network interface
    • Gateway Bandwidth Limiting Rule Related Interfaces
      • Create gateway bandwidth limiting rules
      • Delete Gateway Bandwidth Limiting Rule
      • Modify Gateway Bandwidth Limiting Rule
      • View Gateway Bandwidth Limiting Rule
    • General Description
    • High-Availability Virtual IP Address（HAVIP） Related Interfaces
      • Bind EIP to high-availability virtual IP address
      • Bind instance to high-availability virtual IP address
      • Create high-availability virtual IP address
      • Delete high-availability virtual IP address
      • Query high-availability virtual IP address list
      • Query the specified high-availability virtual IP address
      • Unbind EIP from high-availability virtual IP address
      • Unbind instance from high-availability virtual IP address
      • Update high-availability virtual IP address
    • Interface Overview
    • IPv6 Gateway-Related Interfaces
      • Add IPv6 egress-only policy
      • Bandwidth resizing for IPv6 gateway
      • Create IPv6 gateway bandwidth limiting policy
      • Create IPv6 gateway
      • Delete IPv6 gateway bandwidth limiting policy
      • Delete IPv6 Gateway
      • Delete the IPv6 egress-only policy
      • Query IPv6 gateway bandwidth limiting policy list
      • Query IPv6 gateway
      • Query the IPv6 egress-only policy list
      • Update IPv6 gateway bandwidth limiting policy
      • Update the IPv6 gateway release protection switch
    • NAT Gateway-Related Interfaces
      • Bind DNAT EIP to the NAT gateway
      • Bind SNAT EIP to the NAT gateway
      • Create DNAT rules in batches
      • Create DNAT rules
      • Create NAT gateway
      • Create SNAT rules in batches
      • Create SNAT rules
      • Delete DNAT rules
      • Delete SNAT rules
      • NAT Gateway Binds EIP
      • NAT gateway renewal
      • NAT Gateway Resize
      • NAT Gateway Unbinds EIP
      • Query DNAT rules
      • Query NAT gateway details
      • Query NAT gateway list
      • Query SNAT rules
      • Release NAT gateway
      • Unbind DNAT EIP from the NAT gateway
      • Unbind SNAT EIP from the NAT gateway
      • Update DNAT rules
      • Update NAT Delete Protection Switch
      • Update NAT gateway name
      • Update SNAT rules
    • Network Detection Related Interfaces
      • Create Network Probe
      • Delete network probe
      • Query network probe details
      • Query network probe list.
      • Update probe
    • Parameter Template-Related Interfaces
      • Add IP addresses to the IP address family
      • Add IP addresses to the IP address group
      • Create IP address family
      • Create IP address set
      • Delete IP address family
      • Delete IP address from IP address group
      • Delete IP address set
      • Query IP address family list
      • Query IP address group list
      • Query specified IP address family
      • Query specified IP address group
      • Remove IP address group from IP address family
      • Update IP address family
      • Update IP address set
    • Peering Connections-Related Interfaces
      • Application to process the peering connection
      • Bandwidth resizing for peering connections
      • Create peering connections
      • Disable DNS synchronization for the peering connections.
      • Enable DNS synchronization for the peering connections
      • List of peering connections to be queried.
      • Peering connection renewal
      • Release peering connections
      • Update the local API name and remarks for peering connections
      • Update the peering connection release protection switch
      • View details of peering connection
    • Route Table Related Interfaces
      • Create route rules
      • Delete route rules
      • Primary-standby switch
      • Query route table
      • Query routing rules
      • Update route rules
    • Security Group Related Interfaces
      • Enterprise security group
        • Authorize enterprise security group rules
        • Create enterprise security group
        • Delete enterprise security group rules
        • Delete enterprise security group
        • Query enterprise security group list
        • Update enterprise security group rules
      • Regular security group
        • Authorize regular security group rules
        • Create regular security group
        • Delete regular security group rules
        • Delete regular security group
        • Query regular security group list
        • Revoke regular security group rules
        • Update regular security group rules
        • View security group details
    • Service domain
    • Service Network Interface Card (SNIC)-Related Interfaces
      • Create service network interface card
      • Delete service network interface card
      • Query mountable public services
      • Query service network interface card details
      • Query service network interface card list
      • Update regular security group for service network interface card
      • Update service network interface card with enterprise security group
      • Update the service network interface card
    • Subnet-Related Interfaces
      • Create reserved network segment
      • Create subnet
      • Delete reserved network segment
      • Delete subnet
      • Query specified subnet
      • Query subnet list
      • Query the reserved network segment list
      • Update subnet
    • VPC-Related Interfaces
      • Create VPC
      • Delete VPC
      • Open VPC relay
      • Query IP Usage by Products in VPC
      • Query specified VPC
      • Query VPC intranet IP
      • Query VPC list
      • Shut down VPC relay
      • Update VPC
    • VPN-Related Interfaces
      • Bind EIP
      • Create SSL VPN server
      • Create SSL VPN users in batches
      • Create VPN tunnel
      • Create VPN
      • Delete SSL VPN server
      • Delete SSL VPN user
      • Delete VPN tunnel
      • Query SSL-VPN server
      • Query SSL-VPN user
      • Query VPN details
      • Query VPN List
      • Query VPN tunnels
      • Release VPN
      • Unbind EIP
      • Update SSL VPN server
      • Update SSL VPN user
      • Update VPN release protection switch
      • Update VPN tunnel
      • Update VPN
      • VPN gateway renewal
    • High-Availability Virtual IP Address (HAVIP) Related Interfaces
      • Bind EIP to high-availability virtual IP address
      • Bind instance to high-availability virtual IP address
      • Create high-availability virtual IP address
      • Delete high-availability virtual IP address
      • Query high-availability virtual IP address list
      • Query the specified high-availability virtual IP address
      • Unbind EIP from high-availability virtual IP address
      • Unbind instance from high-availability virtual IP address
      • Update high-availability virtual IP address
  • FAQs
    • Common Questions Overview
    • NAT FAQs
    • Route Table FAQs
    • Service Network Interface Card（SNIC） Common Questions
    • VPC FAQs
    • VPN FAQs
    • Service Network Interface Card (SNIC) Common Questions
  • Function Release Records
  • Operation guide
    • Access control
      • ACL
      • Parameter Template
      • Security group
    • Identity and access management
    • Monitor and Operations
      • NAT Gateway Instance Diagnosis
    • Network Connection
      • Dedicated gateway
      • IPv6 gateway
      • Layer 2 Gateway
      • NAT Gateway
        • Private Network NAT（Network Address Translation） Gateway
        • Public Network NAT（Network Address Translation） Gateway
        • Private Network NAT (Network Address Translation) Gateway
        • Public Network NAT (Network Address Translation) Gateway
      • Peering Connections
      • VPN Gateway
        • GRE VPN Gateway
        • IPsec VPN Gateway
        • SSL VPN Gateway
    • Network Diagnostics
      • Flow log
      • Gateway bandwidth limiting
      • Network probe
      • Path analysis
      • Port verification
      • Traffic monitor
    • Network interface card
      • Elastic network interface
      • High-availability virtual IP address (HAVIP)
      • Service network interface card
    • Network topology
    • Route table
    • Subnet
    • Tag Management
    • Using IPv6
    • VPC
  • Product Description
    • Application scenarios
    • Product advantages
    • Product features
    • Product Introduction
    • Related concepts
    • Usage restrictions
  • Product pricing
  • SDK
    • Go-SDK
      • ACL
      • Dedicated gateway
      • Elastic network interface
      • Exception handling
      • High-availability virtual IP address (HAVIP)
      • Initialization
      • Install the SDK Package
      • IPv6Gateway
      • NAT
      • Network probe
      • Overview
      • Peering Connections
      • Route
      • Security group
        • Enterprise security group
        • Regular security group
      • Service network interface card
      • Subnet
      • VPC
      • VPN
    • Java-SDK
      • ACL
      • Dedicated gateway
      • Elastic network interface
      • Enterprise security group
      • High-availability virtual IP address (HAVIP)
      • Install the SDK Package
      • IPv6 gateway
      • NAT
      • Network probe
      • Overview
      • Parameter Template
      • Peering Connections
      • Regular security group
      • Route
      • Service network interface card
      • Subnet
      • Version history
      • vpc
      • VPN
    • PHP-SDK
      • ACL
      • Install the SDK Package
      • NAT
      • Overview
      • Peering Connections
      • Route
      • Security group
      • Subnet
      • Version history
      • vpc
    • Python-SDK
      • ACL
      • Dedicated gateway
      • Elastic network interface
      • Enterprise security group
      • High-availability virtual IP address (HAVIP)
      • Install the SDK Package
      • IPv6Gateway
      • NAT
      • Network probe
      • Overview
      • Peering Connections
      • Route
      • Security group
      • Service network interface card
      • Subnet
      • Version history
      • VPC
      • VPN
  • Service Level Agreement (SLA)
    • IPv6 Gateway Service Level Agreement SLA
    • NAT（Network Address Translation） Gateway Service Level Agreement SLA
    • Peering Connections Service Level Agreement SLA
    • Service Network Interface Card（SNIC） Service Level Agreement SLA
    • VPN Gateway Service Level Agreement SLA
    • NAT (Network Address Translation) Gateway Service Level Agreement SLA
    • Service Network Interface Card (SNIC) Service Level Agreement SLA
  • Typical Practices
    • Configure Custom Service and Use Service Network Interface Card（SNIC） to Provide Service for Other VPCs
    • HAVIP Combined with Keepalived to Achieve Master-Backup Multi-Machine High Availability
    • Layer 2 Gateway Combined with Dedicated Line Access ET to Build Large Layer 2 Network Between IDC and Cloud VPC
    • Network Layer Security Description
    • Peering Connections Typical Practice
    • Security Group Configuration Practice (Advanced Level)
    • Security Group Configuration Practice (Beginner Level)
    • Typical Practice of Managing Elastic Network Interface Using Terraform
    • Typical Practice of Managing IPsec VPN Gateway Using Terraform
    • Using Keepalived in VPC to Achieve High-Availability Architecture
    • VPC Custom Route Table to Achieve Secure Traffic Mutual Access
    • Windows Using HAVIP to Configure Master-Backup Multi-Machine
    • Configure Custom Service and Use Service Network Interface Card (SNIC) to Provide Service for Other VPCs
  • VPC CLI
    • Configure BCE-CLI
    • Install BCE-CLI
    • Route Table Related Operations
    • Subnet Related Operations
    • Using VPC Service via CLI
    • Version Change Records
    • VPC Related Operations
  • Document center
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  • VPCVPC
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  • FAQs
  • arrow
  • Common Questions Overview
Table of contents on this page
  • VPC FAQs
  • Route Table FAQs
  • VPN FAQs
  • NAT FAQs

Common Questions Overview

Updated at：2025-10-16

VPC FAQs

  • [What are the components of a VPC?](VPC/FAQs/VPC FAQs.md#What are the components of a VPC?)
  • [How to start using VPC?](VPC/FAQs/VPC FAQs.md#How to start using VPC?)
  • [How many virtual private clouds, subnets, route tables, NAT gateways, peering connections, and VPN gateways can each user create?](VPC/FAQs/VPC FAQs.md#How many virtual private clouds, subnets, route tables, NAT gateways, peering connections, and VPN gateways can each user create?)
  • [The VPC quota is full. Can I request an increase?](VPC/FAQs/VPC FAQs.md#The VPC quota is full. Can I request an increase?)
  • [What IP address ranges can be used in a PVC and subnet?](VPC/FAQs/VPC FAQs.md#What IP address ranges can be used in a PVC and subnet?)
  • [Can the intranet IP of a Baidu Cloud Compute instance be modified? How?](VPC/FAQs/VPC FAQs.md#Can the intranet IP of a Baidu Cloud Compute instance be modified? How?)
  • [Does Baidu AI Cloud distinguish between VPC and classic networks?](VPC/FAQs/VPC FAQs.md#Does Baidu AI Cloud distinguish between VPC and classic networks?)
  • [Can a VPC communicate with the public network/other VPCs (cross-region or cross-account)/user data centers?](VPC/FAQs/VPC FAQs.md#Can VPC communicate with the public network/Other VPCs (cross-Region or cross-account)/Communicate with user data centers)
  • [For a virtual private cloud, how can I configure only some resources to access the public network through the gateway?](VPC/FAQs/VPC FAQs.md#For a VPC, how can I configure only some resources to access the public network through the Gateway)
  • [Under one VPC, can Baidu Cloud Compute instances be created in different Availability Zones, and how?](VPC/FAQs/VPC FAQs.md#Under one VPC, can Baidu Cloud Compute instances be created in different Availability Zones, and how?)
  • [How to connect a VPC with a traditional data center?](VPC/FAQs/VPC FAQs.md#How to connect a VPC with a traditional data center?)
  • [What resources can be created in a VPC?](VPC/FAQs/VPC FAQs.md#What resources can be created in a VPC?)
  • [Can VPCs communicate via internet?](VPC/FAQs/VPC FAQs.md#Can VPCs communicate via internet?)
  • [Can internet under the same VPC be interconnected?](VPC/FAQs/VPC FAQs.md#Can internet under the same VPC be interconnected?)
  • [How can instances (Baidu Cloud Compute, databases) without public IP addresses access the Internet? ](VPC/FAQs/VPC FAQs.md#How can instances (Baidu Cloud Compute, databases) without public IP addresses access the Internet? )
  • [Can a VPC establish connections with multiple IDCs via VPN?](VPC/FAQs/VPC FAQs.md#Can a VPC establish connections with multiple IDCs via VPN?)
  • [How is the network quality between a virtual private cloud and IDC connected via VPN guaranteed?](VPC/FAQs/VPC FAQs.md#How is the network quality between a virtual private cloud and IDC connected via VPN guaranteed?)
  • [How to set up a high-availability virtual ip address service using Keepalived software in a VPC?](VPC/FAQs/VPC FAQs.md#How to set up a high-availability virtual ip address service using Keepalived software in a VPC?)

Route Table FAQs

  • [What is the purpose of a routing table?](VPC/FAQs/Route Table FAQs.md#What is the purpose of a routing table?)
  • [What are the advantages of Baidu AI Cloud routing policies?](VPC/FAQs/Route Table FAQs.md#What are the advantages of Baidu AI Cloud routing policies?)
  • [What routing forwarding policies does Baidu AI Cloud support?](VPC/FAQs/Route Table FAQs.md#What routing forwarding policies does Baidu AI Cloud support?)
  • [What are the next-hop types for route tables?](VPC/FAQs/Route Table FAQs.md#What are the next-hop types for route tables?)
  • [What are the limitations when configuring a route table?](VPC/FAQs/Route Table FAQs.md#What are the limitations when configuring a route table?)

VPN FAQs

  • [What scenarios does VPN support?](VPC/FAQs/VPN FAQs.md#What scenarios does VPN support?)
  • [What are the advantages of Baidu AI Cloud VPN?](VPC/FAQs/VPN FAQs.md#What are the advantages of Baidu AI Cloud VPN?)
  • [After configuring multiple segments for a VPN tunnel, the tunnel status shows as Available, but only one segment can communicate. Why?](VPC/FAQs/VPN FAQs.md#After configuring multiple segments for a VPN tunnel, the tunnel status shows as Available, but only one segment can communicate. Why?)
  • [Can a VPC establish connections with multiple user IDCs via VPN?](VPC/FAQs/VPN FAQs.md#Can a VPC establish connections with multiple user IDCs via VPN?)
  • [What is the network quality like over a VPN connection?](VPC/FAQs/VPN FAQs.md#What is the network quality like over a VPN connection?)
  • [What encryption protocols does VPN support?](VPC/FAQs/VPN FAQs.md#What encryption protocols does VPN support?)
  • [How to enable some cloud servers in a VPC to access via VPN?](VPC/FAQs/VPN FAQs.md#How to enable some cloud servers in a VPC to access via VPN?)
  • [Can VPN interconnect two VPCs?](VPC/FAQs/VPN FAQs.md#Can VPN interconnect two VPCs?)
  • [Does Baidu AI Cloud VPN gateway support SSL VPN?](VPC/FAQs/VPN FAQs.md#Does Baidu AI Cloud VPN Gateway support SSL-VPN)

NAT FAQs

  • [When BCC accesses the peer server via NAT, TCP requests fail to respond, but another BCC can access it normally via NAT. Why?](VPC/FAQs/NAT FAQs.md#When BCC accesses the peer server via NAT, TCP requests fail to respond, but another BCC can access it normally via NAT. Why?)

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