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Elastic Load Balance
Elastic Load Balance
- What's New
- Function Overview
-
Service Overview
- ELB Infographics
- What Is ELB?
- ELB Advantages
- How ELB Works
- Application Scenarios
- Differences Between Dedicated and Shared Load Balancers
- Load Balancing on a Public or Private Network
- Network Traffic Paths
- Specifications of Dedicated Load Balancers
- Notes and Constraints
- Security
- Permissions
- Product Concepts
- ELB and Other Services
-
Billing
- Billing Overview
- Billing Mode
- Billing Items (Dedicated Load Balancers)
- Billing Items (Shared Load Balancers)
- Billing Examples
- Bills
- Arrears
- Stopping Billing
- Cost Management
-
FAQs
- When Do I Need Public Bandwidth for ELB?
- Will I Be Billed for Both the Bandwidth Used by the Load Balancer and the Bandwidth Used by Backend Servers?
- Do I Need to Adjust the Bandwidth of Shared Load Balancers Based on the Bandwidth Used by Backend Servers?
- Can I Modify the Bandwidth of a Load Balancer?
- What Functions Will Become Unavailable If a Load Balancer Is Frozen?
- Getting Started
-
User Guide
-
User Guide for Dedicated Load Balancers
- Using a Dedicated Load Balancer
- Permissions Management
-
Load Balancer
- Dedicated Load Balancer Overview
- Creating a Dedicated Load Balancer
- Enabling or Disabling Modification Protection for Dedicated Load Balancers
- Modifying the Basic Configurations of a Dedicated Load Balancer
- Modifying the Network Configurations of a Dedicated Load Balancer
- Exporting Dedicated Load Balancers
- Deleting a Dedicated Load Balancer
- Copying a Dedicated Load Balancer
- Enabling or Disabling a Load Balancer
- Listener
- Backend Server Group
- Backend Server
- Health Check
- Security
- Access Logging
- Tags and Quotas
- Cloud Eye Monitoring
- Auditing
-
User Guide for Shared Load Balancers
- Permissions Management
-
Load Balancer
- Shared Load Balancer Overview
- Creating a Shared Load Balancer
- Configuring Modification Protection for Shared Load Balancers
- Changing the Network Configurations of a Shared Load Balancer
- Deleting a Shared Load Balancer
- Enabling or Disabling a Shared Load Balancer
- Enabling Guaranteed Performance for a Shared Load Balancer
- Listener
- Backend Server Group
- Backend Server
- Health Check
- Security
- Access Logging
- Tags and Quotas
- Cloud Eye Monitoring
- Auditing
- Self-service Troubleshooting
- Appendix
-
User Guide for Dedicated Load Balancers
-
Best Practices
- Using IP as a Backend to Route Traffic Across Backend Servers
- Using Advanced Forwarding for Application Iteration
- Integrating WAF with ELB to Protect Your Websites
- Configuring HTTPS Mutual Authentication to Improve Service Security
- Using ELB to Redirect HTTP Requests to an HTTPS Listener for Higher Service Security
-
API Reference
- Before You Start
- API Overview
- Selecting an API Version
- Calling APIs
-
APIs (V3)
- API Version
- Quota
- AZ
- Load Balancer Flavor
- Reserved IP Address
-
Load Balancer
- Creating a Load Balancer
- Batch Creating Load Balancers
- Upgrading a Load Balancer
- Querying Load Balancers
- Copying a Load Balancer
- Viewing the Details of a Load Balancer
- Updating a Load Balancer
- Deleting a Load Balancer
- Deleting a Load Balancer and Its Associated Resources
- Deleting a Load Balancer and Its Associated Resources (Including EIPs)
- Querying the Status Tree of a Load Balancer
- Deploying a Load Balancer in Other AZs
- Removing a Load Balancer from AZs
- Certificate
- Security Policy
-
IP Address Group
- Creating an IP Address Group
- Querying IP Address Groups
- Querying the Details of an IP Address Group
- Updating an IP Address Group
- Deleting an IP Address Group
- Updating IP Addresses in an IP Address Group
- Deleting IP Addresses from an IP Address Group
- Querying the Listeners Associated with an IP Address Group
- Listener
- Backend Server Group
- Backend Server
- Health Check
- Forwarding Policy
- Forwarding Rule
- Active/Standby Backend Server Group
- Log
- Asynchronous Task
- Feature Configuration
- Asynchronous Tasks
- APIs (V2)
-
APIs (OpenStack)
-
Tag
- Adding a Tag to a Load Balancer
- Batch Adding Load Balancer Tags
- Batch Deleting Load Balancer Tags
- Querying All Tags of a Load Balancer
- Querying the Tags of All Load Balancers
- Querying Load Balancers by Tag
- Deleting a Tag from a Load Balancer
- Adding a Tag to a Listener
- Batch Adding Tags to a Listener
- Batch Deleting Tags from a Listener
- Querying All Tags of a Listener
- Querying the Tags of All Listeners
- Querying Listeners by Tag
- Deleting a Tag from a Listener
- Status Codes
-
Tag
- Examples
- Permissions and Supported Actions
-
Historical APIs
- Shared Load Balancer APIs (OpenStack) (Discarded)
- Asynchronous Job Query (Discarded)
- Querying Versions (Discarded)
-
Getting Started
- Creating a Load Balancer
- Obtaining a Token
- Creating a Load Balancer
- Creating a Public Network Load Balancer
- Adding a Listener
- Creating a Backend Server Group
- Adding Backend Servers
- Configuring a Health Check
- Adding a Forwarding Policy
- Adding a Forwarding Rule
- Adding a Whitelist
- Creating an SSL Certificate
- Appendix
- SDK Reference
-
FAQs
- Popular Questions
-
Service Abnormality
- What Can I Do If There Is Packet Loss?
- Why Can't I Access My Backend Servers Through a Load Balancer?
- Why Does a Server Occasionally Time Out When a Client Access It Through Different Load Balancers or Different Listeners of a Load Balancer?
- What Can I Do If ELB Can't Be Accessed or Traffic Routing is Interrupted?
- How Can I Handle Abnormal Status Codes?
- How Do I Handle Abnormal Request Headers?
- How Do I Check for Traffic Inconsistencies?
- Why Does ELB Fail to Distribute Traffic Evenly?
- How Do I Check If There Is Excessive Access Delay?
- What Do I Do If a Load Balancer Fails a Stress Test?
- How Do I Check If Sticky Sessions Failed to Take Effect?
- How Do I Check SSL/TLS Authentication Errors?
-
Health Checks
- How Do I Troubleshoot an Unhealthy Backend Server of a Dedicated Load Balancer?
- How Do I Troubleshoot an Unhealthy Backend Server of a Shared Load Balancer?
- Why Is the Interval at Which Backend Servers Receive Health Check Packets Different from the Configured Interval?
- How Does ELB Perform UDP Health Checks? What Are the Precautions for UDP Health Checks?
- Why Does ELB Frequently Send Requests to Backend Servers During Health Checks?
- When Does a Health Check Start?
- What Do I Do If a Lot of Access Logs Are Generated During Health Checks?
- What Status Codes Will Be Returned If Backend Servers Are Identified as Healthy?
-
ELB Functionality
- Can Load Balancers Be Used Separately?
- Can ELB Block DDoS Attacks and Secure Web Code?
- What Types of APIs Does ELB Provide? What Are Permissions of ELB?
- Can Backend Servers of a Load Balancer Run Different OSs?
- Can ELB Be Used Across Accounts or VPCs?
- Can a Backend Server Access Its Load Balancer?
- Can Both the Listener and Backend Server Group Use HTTPS?
- Does ELB Support IPv6 Networks?
- How Do I Determine the Server Response Time Based on Monitoring Data and Logs?
- How Can I Transfer the IP Address of a Client?
- What Are the Differences Between Persistent Connections and Sticky Sessions?
- How Do I Test Sticky Sessions Using Linux Curl Commands?
-
Load Balancers
- How Does ELB Distribute Traffic?
- How Can I Configure Load Balancing for Containerized Applications?
- Can I Bind Multiple EIPs to a Load Balancer?
- Why Multiple IP Addresses Are Required When I Create a Dedicated Load Balancer?
- Can Backend Servers Access the Internet Using the EIP of the Load Balancer?
- Do Shared Load Balancers Have Specifications?
- What Is the Difference Between the Bandwidth Defined in Each Specification of a Dedicated Load Balancer and the Bandwidth of an EIP?
- How Do I Combine ELB and WAF?
-
Listeners
- What Are the Relationships Between Load Balancing Algorithms and Sticky Session Types?
- What HTTP Headers Can I Configure for an HTTP and HTTP Listener?
- Will ELB Stop Distributing Traffic Immediately After a Listener Is Deleted?
- Does ELB Have Restrictions on the File Upload Speed and Size?
- Can Multiple Load Balancers Route Requests to One Backend Server?
- How Is WebSocket Used?
- What Are the Three Timeouts of a Listener and What Are the Default Durations?
- Why Can't I Select the Target Backend Server Group When Adding or Modifying a Listener?
- Why Is There a Security Warning After a Certificate Is Configured for an HTTPS Listener?
- Why Is a Forwarding Policy in the Faulty State?
-
Backend Servers
- Can Backend Servers Access the Internet After They Are Associated with a Load Balancer?
- Can ELB Distribute Traffic Across Servers That Are Not Provided by Huawei Cloud?
- Why Are Backend Servers Frequently Accessed by IP Addresses in 100.125.0.0/16 or 214.0.0.0/8?
- Can ELB Route Traffic Across Regions?
- Does Each Backend Server Need an EIP to Receive Requests from a Public Network Load Balancer?
- How Do I Check the Network Conditions of a Backend Server?
- How Can I Check the Network Configuration of a Backend Server?
- How Do I Check the Status of a Backend Server?
- How Do I Check Whether a Backend Server Can Be Accessed Through an EIP?
- Why Is the Number of Active Connections Monitored by Cloud Eye Different from the Number of Connections Established with the Backend Servers?
- Why Can I Access Backend Servers After a Whitelist Is Configured?
- When Will the Changes to Server Weights Be Applied?
- Certificates
- Access Logging
- Monitoring
-
Billing
- When Do I Need Public Bandwidth for ELB?
- Will I Be Billed for Both the Bandwidth Used by the Load Balancer and the Bandwidth Used by Backend Servers?
- Do I Need to Adjust the Bandwidth of Shared Load Balancers Based on the Bandwidth Used by Backend Servers?
- Can I Modify the Bandwidth of a Load Balancer?
- What Functions Will Become Unavailable If a Load Balancer Is Frozen?
- Videos
- Glossary
-
More Documents
-
User Guide (ME-Abu Dhabi Region)
- Service Overview
- Load Balancer
- Listener
- Backend Server
- Health Check
- Certificate
- Access Logging
- Monitoring
- Auditing
-
FAQs
- Questions Summary
- ELB Usage
- Load Balancer
- Listener
-
Backend Server
- Why Is the Interval at Which Backend Servers Receive Health Check Packets Is Different from the Configured Health Check Interval?
- Can Backend Servers Access the Public Network After They Are Associated with a Load Balancer?
- How Can I Check the Network Conditions of a Backend Server?
- How Can I Check the Network Configuration of a Backend Server?
- How Can I Check the Status of a Backend Server?
- When Is a Backend Server Considered Healthy?
- Health Check
- Obtaining Source IP Addresses
- HTTP/HTTPS Listeners
- Sticky Session
- Appendix
- Change History
-
API Reference (ME-Abu Dhabi Region)
- Before You Start
- API Overview
- Calling APIs
- Getting Started
- Load Balancer APIs
- Load Balancer (Enterprise Project) APIs
- Common Parameters
- Appendix
- Change History
-
User Guide (Paris Region)
-
Service Overview
- What Is ELB?
- Product Advantages
- How ELB Works
- Application Scenarios
- Differences Between Dedicated and Shared Load Balancers
- Load Balancing on a Public or Private Network
- Network Traffic Paths
- Specifications of Dedicated Load Balancers
- Quotas and Constraints
- Billing (Shared Load Balancers)
- Billing (Dedicated Load Balancers)
- Permissions
- Product Concepts
- How ELB Works with Other Services
- Getting Started
-
Load Balancer
- Overview
- Preparations for Creating a Load Balancer
- Creating a Dedicated Load Balancer
- Creating a Shared Load Balancer
- Configuring Deletion Protection for Load Balancers
- Modifying the Bandwidth
- Changing the Specifications of a Dedicated Load Balancer
- Changing an IP Address
- Binding an IP Address to or Unbinding an IP Address from a Load Balancer
- Adding to or Removing from an IPv6 Shared Bandwidth
- Exporting the Load Balancer List
- Deleting a Load Balancer
- Listener
- Advanced Features of HTTP/HTTPS Listeners
- Backend Server Group
- Backend Server (Dedicated Load Balancers)
- Backend Server (Shared Load Balancers)
- Certificate
- Access Control
- TLS Security Policy
- Tag
- Access Logging
- Monitoring
- Auditing
- Load Balancer Migration
- Permissions Management
- Quotas
-
FAQ
- Popular Questions
- Why Can't I Access My Backend Servers Through a Load Balancer?
- What Can I Do If ELB Can't Be Accessed or Traffic Routing is Interrupted?
- How Can I Handle Error Codes?
- Can ELB Be Used Separately?
- Does ELB Support Persistent Connections?
- Does ELB Support FTP on Backend Servers?
- Is an EIP Assigned Exclusively to a Load Balancer?
- How Many Load Balancers and Listeners Can I Have?
- What Types of APIs Does ELB Provide? What Are Permissions of ELB?
- Can I Adjust the Number of Backend Servers When a Load Balancer is Running?
- Can Backend Servers Run Different OSs?
- Can I Configure Different Backend Ports for a Load Balancer?
- Can ELB Be Used Across Accounts or VPCs?
- Can Backend Servers Access the Ports of a Load Balancer?
- Can Both the Listener and Backend Server Group Use HTTPS?
- Can I Change the VPC and Subnet for My Load Balancer?
- Can I Upgrade a Shared Load Balancer to a Dedicated Load Balancer Without Interrupting Traffic Routing?
- Does ELB Support IPv6 Networks?
- How Do I Check for Traffic Inconsistencies?
- How Do I Check If Traffic Is Being Evenly Distributed?
- How Do I Check If There Is Excessive Access Delay?
- What Do I Do If a Load Balancer Fails a Stress Test?
-
Load Balancers
- How Does ELB Distribute Traffic?
- How Can I Access a Load Balancer Across VPCs?
- How Can I Configure Load Balancing for Containerized Applications?
- Why Can't I Delete My Load Balancer?
- Do I Need to Configure EIP Bandwidth for My Load Balancers?
- Can I Bind Multiple EIPs to a Load Balancer?
- Why Multiple IP Addresses Are Required When I Create or Enable a Dedicated Load Balancer?
- Why Are Requests from the Same IP Address Routed to Different Backend Servers When the Load Balancing Algorithm Is Source IP Hash?
- Can Backend Servers Access the Internet Using the EIP of the Load Balancer?
- Do Shared Load Balancers Have Specifications?
- Will Traffic Routing Be Interrupted If the Load Balancing Algorithm Is Changed?
- What Is the Difference Between the Bandwidth Included in Each Specification of a Dedicated Load Balancer and the Bandwidth of an EIP?
- How Do I Combine ELB and WAF?
-
Listeners
- What Are the Relationships Between Load Balancing Algorithms and Sticky Session Types?
- Can I Bind Multiple Certificates to a Listener?
- What HTTP Headers Can I Configure for an HTTP and HTTP Listener?
- Will ELB Stop Distributing Traffic Immediately After a Listener Is Deleted?
- Does ELB Have Restrictions on the File Upload Speed and Size?
- Can Multiple Load Balancers Route Requests to One Backend Server?
- How Is WebSocket Used?
- Why Can't I Select the Target Backend Server Group When Adding or Modifying a Listener?
- Why Cannot I Add a Listener to a Dedicated Load Balancer?
-
Backend Servers
- Why Is the Interval at Which Backend Servers Receive Health Check Packets Different from What I Have Configured?
- Can Backend Servers Access the Internet After They Are Associated with a Load Balancer?
- Why Are Backend Servers Frequently Accessed by IP Addresses in 100.125.0.0/16?
- Can ELB Route Traffic Across Regions?
- Does Each Backend Server Need an EIP to Receive Requests from a Public Network Load Balancer?
- How Do I Check the Network Conditions of a Backend Server?
- How Can I Check the Network Configuration of a Backend Server?
- How Do I Check the Status of a Backend Server?
- When Is a Backend Server Considered Healthy?
- How Do I Check Whether a Backend Server Can Be Accessed Through an EIP?
- Why Is the Number of Active Connections Monitored by Cloud Eye Different from the Number of Connections Established with the Backend Servers?
- Why Can I Access Backend Servers After a Whitelist Is Configured?
- When Will Modified Weights Take Effect?
- Why Must the Subnet Where the Load Balancer Resides Have at Least 16 Available IP Addresses for Enabling IP as a Backend?
-
Health Checks
- How Do I Troubleshoot an Unhealthy Backend Server?
- Why Is the Interval at Which Backend Servers Receive Health Check Packets Different from the Configured Interval?
- How Does ELB Perform UDP Health Checks? What Are the Precautions for UDP Health Checks?
- Why Does ELB Frequently Send Requests to Backend Servers During Health Checks?
- When Does a Health Check Start?
- Do Maximum Retries Include Health Checks That Consider Backend Servers Unhealthy?
- What Do I Do If a Lot of Access Logs Are Generated During Health Checks?
- What Status Codes Will Be Returned If Backend Servers Are Identified as Healthy?
- Obtaining Source IP Addresses
-
HTTP/HTTPS Listeners
- Which Protocol Should I Select for the Backend Server Group When Adding an HTTPS Listener?
- Why Is There a Security Warning After a Certificate Is Configured?
- Why Is a Forwarding Policy in the Faulty State?
- Why Can't I Add a Forwarding Policy to a Listener?
- Why Cannot I Select an Existing Backend Server Group When Adding a Forwarding Policy?
- Sticky Sessions
- Certificates
- Monitoring
- Change History
-
Service Overview
-
API Reference (Paris Region)
- Before You Start
- API Overview
- Calling APIs
- Getting Started
- Dedicated Load Balancer APIs
- Classic Load Balancer APIs
- Enhanced Load Balancer APIs
- Appendix
- Change History
-
User Guide (Kuala Lumpur Region)
- Service Overview
- Getting Started
-
Load Balancer
- Overview
- Preparations for Creating a Load Balancer
- Creating a Dedicated Load Balancer
- Modifying the Bandwidth
- Changing the Specifications of a Dedicated Load Balancer
- Changing an IP Address
- Binding an IP Address to or Unbinding an IP Address from a Load Balancer
- Adding to or Removing from an IPv6 Shared Bandwidth
- Exporting the Load Balancer List
- Deleting a Load Balancer
- Listener
- Advanced Features of HTTP/HTTPS Listeners
- Backend Server Group
- Backend Server
- Certificate
- Access Control
- Access Logging
- Monitoring
- Auditing
- Quotas
-
FAQ
- Popular Questions
- Service Abnormality
-
ELB Functionality
- Can ELB Be Used Separately?
- Does ELB Support Persistent Connections?
- Does ELB Support FTP on Backend Servers?
- Is an EIP Assigned Exclusively to a Load Balancer?
- How Many Load Balancers and Listeners Can I Have?
- What Types of APIs Does ELB Provide? What Are Permissions of ELB?
- Can I Adjust the Number of Backend Servers When a Load Balancer is Running?
- Can Backend Servers Run Different OSs?
- Can I Configure Different Backend Ports for a Load Balancer?
- Can ELB Be Used Across Accounts or VPCs?
- Can Backend Servers Access the Ports of a Load Balancer?
- Can Both the Listener and Backend Server Group Use HTTPS?
- Can I Change the VPC and Subnet for My Load Balancer?
- Load Balancing Performance
-
Load Balancers
- How Does ELB Distribute Traffic?
- How Can I Access a Load Balancer Across VPCs?
- Do I Need to Configure EIP Bandwidth for My Load Balancers?
- Can I Bind Multiple EIPs to a Load Balancer?
- Why Multiple IP Addresses Are Required When I Create or Enable a Dedicated Load Balancer?
- Why Are Requests from the Same IP Address Routed to Different Backend Servers When the Load Balancing Algorithm Is Source IP Hash?
- Can Backend Servers Access the Internet Using the EIP of the Load Balancer?
- Will Traffic Routing Be Interrupted If the Load Balancing Algorithm Is Changed?
- What Is the Difference Between the Bandwidth Included in Each Specification of a Dedicated Load Balancer and the Bandwidth of an EIP?
-
Listeners
- What Are the Relationships Between Load Balancing Algorithms and Sticky Session Types?
- Can I Bind Multiple Certificates to a Listener?
- Will ELB Stop Distributing Traffic Immediately After a Listener Is Deleted?
- Does ELB Have Restrictions on the File Upload Speed and Size?
- Can Multiple Load Balancers Route Requests to One Backend Server?
- How Is WebSocket Used?
- Why Can't I Select the Target Backend Server Group When Adding or Modifying a Listener?
- Why Cannot I Add a Listener to a Dedicated Load Balancer?
-
Backend Servers
- Why Is the Interval at Which Backend Servers Receive Health Check Packets Different from What I Have Configured?
- Can Backend Servers Access the Internet After They Are Associated with a Load Balancer?
- Can ELB Route Traffic Across Regions?
- Does Each Backend Server Need an EIP to Receive Requests from a Public Network Load Balancer?
- How Do I Check the Network Conditions of a Backend Server?
- How Can I Check the Network Configuration of a Backend Server?
- How Do I Check the Status of a Backend Server?
- When Is a Backend Server Considered Healthy?
- Why Can I Access Backend Servers After a Whitelist Is Configured?
- When Will Modified Weights Take Effect?
- Why Must the Subnet Where the Load Balancer Resides Have at Least 16 Available IP Addresses for Enabling IP as a Backend?
-
Health Checks
- How Do I Troubleshoot an Unhealthy Backend Server?
- Why Is the Interval at Which Backend Servers Receive Health Check Packets Different from the Configured Interval?
- How Does ELB Perform UDP Health Checks? What Are the Precautions for UDP Health Checks?
- Why Does ELB Frequently Send Requests to Backend Servers During Health Checks?
- When Does a Health Check Start?
- Do Maximum Retries Include Health Checks That Consider Backend Servers Unhealthy?
- What Do I Do If a Lot of Access Logs Are Generated During Health Checks?
- What Status Codes Will Be Returned If Backend Servers Are Identified as Healthy?
- Obtaining Source IP Addresses
-
HTTP/HTTPS Listeners
- Which Protocol Should I Select for the Backend Server Group When Adding an HTTPS Listener?
- Why Is There a Security Warning After a Certificate Is Configured?
- Why Is a Forwarding Policy in the Faulty State?
- Why Can't I Add a Forwarding Policy to a Listener?
- Why Cannot I Select an Existing Backend Server Group When Adding a Forwarding Policy?
- Sticky Sessions
- Certificates
- Monitoring
- Change History
-
API Reference (Kuala Lumpur Region)
- Before You Start
- API Overview
- Calling APIs
- APIs
- Permissions Policies and Supported Actions
- Appendix
- Historical APIs
- Change History
-
User Guide (Ankara Region)
- Service Overview
- Load Balancer
- Listener
- Advanced Features of HTTP/HTTPS Listeners
- Backend Server Group
- Backend Server
- Certificate
- Access Control
- TLS Security Policy
- Access Logging
- Monitoring
- Quotas
-
FAQ
- Popular Questions
-
ELB Functionality
- Can ELB Be Used Separately?
- Does ELB Support Persistent Connections?
- Does ELB Support FTP on Backend Servers?
- Is an EIP Assigned Exclusively to a Load Balancer?
- How Many Load Balancers and Listeners Can I Have?
- What Types of APIs Does ELB Provide? What Are Permissions of ELB?
- Can I Adjust the Number of Backend Servers When a Load Balancer is Running?
- Can Backend Servers Run Different OSs?
- Can I Configure Different Backend Ports for a Load Balancer?
- Can ELB Be Used Across Accounts or VPCs?
- Can Backend Servers Access the Ports of a Load Balancer?
- Can Both the Listener and Backend Server Group Use HTTPS?
- Can I Change the VPC and Subnet for My Load Balancer?
-
Load Balancers
- How Does ELB Distribute Traffic?
- How Can I Access a Load Balancer Across VPCs?
- Do I Need to Configure EIP Bandwidth for My Load Balancers?
- Can I Bind Multiple EIPs to a Load Balancer?
- Why Multiple IP Addresses Are Required When I Create or Enable a Dedicated Load Balancer?
- Why Are Requests from the Same IP Address Routed to Different Backend Servers When the Load Balancing Algorithm Is Source IP Hash?
- Can Backend Servers Access the Internet Using the EIP of the Load Balancer?
- Will Traffic Routing Be Interrupted If the Load Balancing Algorithm Is Changed?
- What Is the Difference Between the Bandwidth Included in Each Specification of a Dedicated Load Balancer and the Bandwidth of an EIP?
-
Listeners
- What Are the Relationships Between Load Balancing Algorithms and Sticky Session Types?
- Can I Bind Multiple Certificates to a Listener?
- Will ELB Stop Distributing Traffic Immediately After a Listener Is Deleted?
- Does ELB Have Restrictions on the File Upload Speed and Size?
- Can Multiple Load Balancers Route Requests to One Backend Server?
- How Is WebSocket Used?
- Why Can't I Select the Target Backend Server Group When Adding or Modifying a Listener?
- Why Cannot I Add a Listener to a Dedicated Load Balancer?
-
Backend Servers
- Why Is the Interval at Which Backend Servers Receive Health Check Packets Different from What I Have Configured?
- Can Backend Servers Access the Internet After They Are Associated with a Load Balancer?
- Can ELB Route Traffic Across Regions?
- Does Each Backend Server Need an EIP to Receive Requests from a Public Network Load Balancer?
- How Do I Check the Network Conditions of a Backend Server?
- How Can I Check the Network Configuration of a Backend Server?
- How Do I Check the Status of a Backend Server?
- When Is a Backend Server Considered Healthy?
- Why Can I Access Backend Servers After a Whitelist Is Configured?
- When Will Modified Weights Take Effect?
- Why Must the Subnet Where the Load Balancer Resides Have at Least 16 Available IP Addresses for Enabling IP as a Backend?
-
Health Checks
- How Do I Troubleshoot an Unhealthy Backend Server?
- Why Is the Interval at Which Backend Servers Receive Health Check Packets Different from the Configured Interval?
- How Does ELB Perform UDP Health Checks? What Are the Precautions for UDP Health Checks?
- Why Does ELB Frequently Send Requests to Backend Servers During Health Checks?
- When Does a Health Check Start?
- Do Maximum Retries Include Health Checks That Consider Backend Servers Unhealthy?
- What Do I Do If a Lot of Access Logs Are Generated During Health Checks?
- What Status Codes Will Be Returned If Backend Servers Are Identified as Healthy?
- Obtaining Source IP Addresses
-
HTTP/HTTPS Listeners
- Which Protocol Should I Select for the Backend Server Group When Adding an HTTPS Listener?
- Why Is There a Security Warning After a Certificate Is Configured?
- Why Is a Forwarding Policy in the Faulty State?
- Why Can't I Add a Forwarding Policy to a Listener?
- Why Cannot I Select an Existing Backend Server Group When Adding a Forwarding Policy?
- Sticky Sessions
- Certificates
- Monitoring
- Change History
-
API Reference (Ankara Region)
- Before You Start
- API Overview
- Calling APIs
- APIs (V3)
- APIs (V2)
-
APIs (OpenStack)
-
Tag
- Adding a Tag to a Load Balancer
- Batch Adding Load Balancer Tags
- Batch Deleting Load Balancer Tags
- Querying All Tags of a Load Balancer
- Querying the Tags of All Load Balancers
- Querying Load Balancers by Tag
- Deleting a Tag from a Load Balancer
- Adding a Tag to a Listener
- Batch Adding Tags to a Listener
- Batch Deleting Tags from a Listener
- Querying All Tags of a Listener
- Querying the Tags of All Listeners
- Querying Listeners by Tag
- Deleting a Tag from a Listener
- Status Codes
-
Tag
- Permissions and Supported Actions
- Appendix
- Change History
-
User Guide (ME-Abu Dhabi Region)
- General Reference
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