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doc-exports/docs/vpc/umn/CLASS.TXT.json
Qin Ying, Fan 65721b3f6b VPC UMN 20230720 version 
Reviewed-by: Hajba, László Antal <laszlo-antal.hajba@t-systems.com>
Co-authored-by: Qin Ying, Fan <fanqinying@huawei.com>
Co-committed-by: Qin Ying, Fan <fanqinying@huawei.com>
2023-10-27 20:28:21 +00:00

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[
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Service Overview",
"uri":"vpc_pro_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"1"
},
{
"desc":"The Virtual Private Cloud (VPC) service enables you to provision logically isolated virtual networks for Elastic Cloud Servers (ECSs), improving cloud resource security a",
"product_code":"vpc",
"title":"What Is Virtual Private Cloud?",
"uri":"en-us_topic_0013748729.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"2"
},
{
"desc":"You can create VPCs, add subnets, specify IP address ranges, and configure DHCP and route tables. You can configure the same VPC for ECSs that are in different availabili",
"product_code":"vpc",
"title":"Product Advantages",
"uri":"overview_0004.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"3"
},
{
"desc":"Hosting web applicationsYou can host web applications and websites in a VPC and use the VPC as a regular network. With EIPs, you can connect ECSs running your web applica",
"product_code":"vpc",
"title":"Application Scenarios",
"uri":"overview_0002.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"4"
},
{
"desc":"You can use EIPs, load balancers, NAT gateways, VPN connections, and Direct Connect connections to access the Internet if required.Use EIPs to Enable a Small Number of EC",
"product_code":"vpc",
"title":"VPC Connectivity",
"uri":"overview_0001.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"5"
},
{
"desc":"ECSThe VPC service provides an isolated virtual network for ECSs. You can configure and manage the network as required. There are multiple connectivity options for ECSs t",
"product_code":"vpc",
"title":"VPC and Other Services",
"uri":"vpc_relationship_0001.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"6"
},
{
"desc":"If you need to assign different permissions to personnel in your enterprise to access your VPCs, IAM is a good choice for fine-grained permissions management. IAM provide",
"product_code":"vpc",
"title":"Permissions",
"uri":"overview_permission.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"7"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Basic Concepts",
"uri":"vpc_Concepts_0001.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"8"
},
{
"desc":"A subnet is a unique CIDR block with a range of IP addresses in a VPC. All resources in a VPC must be deployed on subnets.By default, all instances in different subnets o",
"product_code":"vpc",
"title":"Subnet",
"uri":"en-us_topic_0030969424.html",
"doc_type":"usermanual",
"p_code":"8",
"code":"9"
},
{
"desc":"The Elastic IP (EIP) service enables your cloud resources to communicate with the Internet using static public IP addresses and scalable bandwidths. EIPs can be bound to ",
"product_code":"vpc",
"title":"Elastic IP",
"uri":"vpc_Concepts_0003.html",
"doc_type":"usermanual",
"p_code":"8",
"code":"10"
},
{
"desc":"A route table contains a set of routes that are used to determine where network traffic from your subnets in a VPC is directed. Each subnet must be associated with a rout",
"product_code":"vpc",
"title":"Route Table",
"uri":"en-us_topic_0038263963.html",
"doc_type":"usermanual",
"p_code":"8",
"code":"11"
},
{
"desc":"In addition to services provided by the system, some ECSs need to access the Internet to obtain information or download software. You can bind EIPs to virtual NICs (ports",
"product_code":"vpc",
"title":"SNAT",
"uri":"vpc_Concepts_0004.html",
"doc_type":"usermanual",
"p_code":"8",
"code":"12"
},
{
"desc":"A security group is a collection of access control rules for cloud resources, such as cloud servers, containers, and databases, that have the same security protection req",
"product_code":"vpc",
"title":"Security Group",
"uri":"vpc_Concepts_0005.html",
"doc_type":"usermanual",
"p_code":"8",
"code":"13"
},
{
"desc":"The VPC service provides free SNAT function, which allows ECSs to use a limited number of public IP addresses to gain one-way access to the Internet for operations, such ",
"product_code":"vpc",
"title":"Shared SNAT",
"uri":"vpc_Concepts_0010.html",
"doc_type":"usermanual",
"p_code":"8",
"code":"14"
},
{
"desc":"A VPC peering connection is a networking connection between two VPCs and enables them to communicate using private IP addresses. The VPCs to be peered can be in the same ",
"product_code":"vpc",
"title":"VPC Peering Connection",
"uri":"vpc_Concepts_0011.html",
"doc_type":"usermanual",
"p_code":"8",
"code":"15"
},
{
"desc":"A firewall is an optional layer of security for your subnets. After you associate one or more subnets with a firewall, you can control traffic in and out of the subnets.",
"product_code":"vpc",
"title":"Firewall",
"uri":"en-us_topic_0051746676.html",
"doc_type":"usermanual",
"p_code":"8",
"code":"16"
},
{
"desc":"A virtual IP address can be shared among multiple ECSs. An ECS can have both private and virtual IP addresses, and you can access the ECS through either IP address. A vir",
"product_code":"vpc",
"title":"Virtual IP Address",
"uri":"vpc_Concepts_0012.html",
"doc_type":"usermanual",
"p_code":"8",
"code":"17"
},
{
"desc":"A region and availability zone (AZ) identify the location of a data center. You can create resources in a specific region and AZ.A region is a physical data center, which",
"product_code":"vpc",
"title":"Region and AZ",
"uri":"overview_region.html",
"doc_type":"usermanual",
"p_code":"8",
"code":"18"
},
{
"desc":"Instructions for using this document are as follows:To facilitate your operations, the management console may provide more than one way for you to perform a task or an op",
"product_code":"vpc",
"title":"Document Usage Instructions",
"uri":"vpc_use_0001.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"19"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Getting Started",
"uri":"vpc_qs_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"20"
},
{
"desc":"A VPC provides an isolated virtual network for ECSs. You can configure and manage the network as required.If any of your ECSs, for example, ECSs that function as the data",
"product_code":"vpc",
"title":"Typical Application Scenarios",
"uri":"vpc_qs_0002.html",
"doc_type":"usermanual",
"p_code":"20",
"code":"21"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Configuring a VPC for ECSs That Do Not Require Internet Access",
"uri":"vpc_qs_0003.html",
"doc_type":"usermanual",
"p_code":"20",
"code":"22"
},
{
"desc":"If your ECSs do not require Internet access or need to access the Internet using IP addresses on the default network (100.64.0.0/11) with limited bandwidth (for example, ",
"product_code":"vpc",
"title":"Overview",
"uri":"vpc_qs_0004.html",
"doc_type":"usermanual",
"p_code":"22",
"code":"23"
},
{
"desc":"A VPC provides an isolated virtual network for ECSs. You can configure and manage the network as required.You can create a VPC by following the procedure provided in this",
"product_code":"vpc",
"title":"Step 1: Create a VPC",
"uri":"vpc_qs_0005.html",
"doc_type":"usermanual",
"p_code":"22",
"code":"24"
},
{
"desc":"A VPC comes with a default subnet. If the default subnet cannot meet your requirements, you can create one.A subnet is configured with DHCP by default. When an ECS in thi",
"product_code":"vpc",
"title":"Step 2: Create a Subnet for the VPC",
"uri":"vpc_qs_0006.html",
"doc_type":"usermanual",
"p_code":"22",
"code":"25"
},
{
"desc":"A security group is a collection of access control rules to control the traffic that is allowed to reach and leave the cloud resources that it is associated with. The clo",
"product_code":"vpc",
"title":"Step 3: Create a Security Group",
"uri":"vpc_qs_0007.html",
"doc_type":"usermanual",
"p_code":"22",
"code":"26"
},
{
"desc":"A security group is a collection of access control rules to control the traffic that is allowed to reach and leave the cloud resources that it is associated with. The clo",
"product_code":"vpc",
"title":"Step 4: Add a Security Group Rule",
"uri":"vpc_qs_0008.html",
"doc_type":"usermanual",
"p_code":"22",
"code":"27"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Configuring a VPC for ECSs That Access the Internet Using EIPs",
"uri":"en-us_topic_0017816228.html",
"doc_type":"usermanual",
"p_code":"20",
"code":"28"
},
{
"desc":"If your ECSs need to access the Internet (for example, the ECSs functioning as the service nodes for deploying a website), you can follow the procedure shown in Figure 1 ",
"product_code":"vpc",
"title":"Overview",
"uri":"vpc_qs_0022.html",
"doc_type":"usermanual",
"p_code":"28",
"code":"29"
},
{
"desc":"A VPC provides an isolated virtual network for ECSs. You can configure and manage the network as required.You can create a VPC by following the procedure provided in this",
"product_code":"vpc",
"title":"Step 1: Create a VPC",
"uri":"vpc_qs_0009.html",
"doc_type":"usermanual",
"p_code":"28",
"code":"30"
},
{
"desc":"A VPC comes with a default subnet. If the default subnet cannot meet your requirements, you can create one.A subnet is configured with DHCP by default. When an ECS in thi",
"product_code":"vpc",
"title":"Step 2: Create a Subnet for the VPC",
"uri":"vpc_qs_0010.html",
"doc_type":"usermanual",
"p_code":"28",
"code":"31"
},
{
"desc":"You can assign an EIP and bind it to an ECS so that the ECS can access the Internet.Note the following when you use EIPs of the Dedicated Load Balancer (5_gray) type:In e",
"product_code":"vpc",
"title":"Step 3: Assign an EIP and Bind It to an ECS",
"uri":"vpc_qs_0011.html",
"doc_type":"usermanual",
"p_code":"28",
"code":"32"
},
{
"desc":"A security group is a collection of access control rules to control the traffic that is allowed to reach and leave the cloud resources that it is associated with. The clo",
"product_code":"vpc",
"title":"Step 4: Create a Security Group",
"uri":"vpc_qs_0012.html",
"doc_type":"usermanual",
"p_code":"28",
"code":"33"
},
{
"desc":"A security group is a collection of access control rules to control the traffic that is allowed to reach and leave the cloud resources that it is associated with. The clo",
"product_code":"vpc",
"title":"Step 5: Add a Security Group Rule",
"uri":"vpc_qs_0013.html",
"doc_type":"usermanual",
"p_code":"28",
"code":"34"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"VPC and Subnet",
"uri":"en-us_topic_0030969460.html",
"doc_type":"usermanual",
"p_code":"",
"code":"35"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"VPC",
"uri":"vpc_0003.html",
"doc_type":"usermanual",
"p_code":"35",
"code":"36"
},
{
"desc":"A VPC provides an isolated virtual network for ECSs. You can configure and manage the network as required.You can create a VPC by following the procedure provided in this",
"product_code":"vpc",
"title":"Creating a VPC",
"uri":"en-us_topic_0013935842.html",
"doc_type":"usermanual",
"p_code":"36",
"code":"37"
},
{
"desc":"You can modify the following information about a VPC:Modifying the Name and Description of a VPCModifying the CIDR Block of a VPCModifying the Name and Description of a V",
"product_code":"vpc",
"title":"Modifying a VPC",
"uri":"en-us_topic_0030969462.html",
"doc_type":"usermanual",
"p_code":"36",
"code":"38"
},
{
"desc":"This section describes how to delete a VPC.If you want to delete a VPC that has subnets, custom routes, or other resources, you need to delete these resources as prompted",
"product_code":"vpc",
"title":"Deleting a VPC",
"uri":"vpc_vpc_0003.html",
"doc_type":"usermanual",
"p_code":"36",
"code":"39"
},
{
"desc":"You can add tags to VPCs to help you identify and organize them.You can add a tag to a VPC when creating the VPC, or you can add a tag to a created VPC on the VPC details",
"product_code":"vpc",
"title":"Managing VPC Tags",
"uri":"vpc_vpc_0004.html",
"doc_type":"usermanual",
"p_code":"36",
"code":"40"
},
{
"desc":"Information about all VPCs under your account can be exported as an Excel file to a local directory.This file records the names, ID, status, CIDR blocks, and the number o",
"product_code":"vpc",
"title":"Exporting VPC List",
"uri":"vpc_vpc_0006.html",
"doc_type":"usermanual",
"p_code":"36",
"code":"41"
},
{
"desc":"This section describes how to view and obtain a VPC ID.If you create a VPC peering connection between two VPCs in different accounts, you need to obtain the project ID of",
"product_code":"vpc",
"title":"Obtaining a VPC ID",
"uri":"vpc_vpc_0013.html",
"doc_type":"usermanual",
"p_code":"36",
"code":"42"
},
{
"desc":"This section describes how to view the topology of a VPC. The topology displays the subnets in a VPC and the ECSs in the subnets.Log in to the management console.Click i",
"product_code":"vpc",
"title":"Viewing a VPC Topology",
"uri":"vpc_vpc_0009.html",
"doc_type":"usermanual",
"p_code":"36",
"code":"43"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Subnet",
"uri":"vpc_0004.html",
"doc_type":"usermanual",
"p_code":"35",
"code":"44"
},
{
"desc":"A VPC comes with a default subnet. If the default subnet cannot meet your requirements, you can create one.A subnet is configured with DHCP by default. When an ECS in thi",
"product_code":"vpc",
"title":"Creating a Subnet for the VPC",
"uri":"en-us_topic_0013748726.html",
"doc_type":"usermanual",
"p_code":"44",
"code":"45"
},
{
"desc":"Modify the subnet name, NTP server address, and DNS server address.Log in to the management console.Click in the upper left corner and select the desired region and proj",
"product_code":"vpc",
"title":"Modifying a Subnet",
"uri":"vpc_vpc_0001.html",
"doc_type":"usermanual",
"p_code":"44",
"code":"46"
},
{
"desc":"You can add tags to subnets to help you identify and organize them.You can add a tag to a subnet when creating the subnet, or you can add a tag to a created subnet on the",
"product_code":"vpc",
"title":"Managing Subnet Tags",
"uri":"vpc_vpc_0005.html",
"doc_type":"usermanual",
"p_code":"44",
"code":"47"
},
{
"desc":"Information about all subnets under your account can be exported as an Excel file to a local directory. This file records the name, ID, VPC, CIDR block, and associated ro",
"product_code":"vpc",
"title":"Exporting Subnet List",
"uri":"vpc_vpc_0010.html",
"doc_type":"usermanual",
"p_code":"44",
"code":"48"
},
{
"desc":"VPC subnets have private IP addresses used by cloud resources. This section describes how to view resources that are using private IP addresses of subnets. If these resou",
"product_code":"vpc",
"title":"Viewing and Deleting Resources in a Subnet",
"uri":"vpc_vpc_0011.html",
"doc_type":"usermanual",
"p_code":"44",
"code":"49"
},
{
"desc":"A subnet is an IP address range in a VPC. This section describes how to view the used IP addresses in a subnet.Virtual IP addressesPrivate IP addressesUsed by the subnet ",
"product_code":"vpc",
"title":"Viewing IP Addresses in a Subnet",
"uri":"vpc_vpc_0012.html",
"doc_type":"usermanual",
"p_code":"44",
"code":"50"
},
{
"desc":"This section describes how to delete a subnet.If you want to delete a subnet that has custom routes, virtual IP addresses, or other resources, you need to delete these re",
"product_code":"vpc",
"title":"Deleting a Subnet",
"uri":"vpc_vpc_0002.html",
"doc_type":"usermanual",
"p_code":"44",
"code":"51"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Access Control",
"uri":"vpc_SecurityGroup_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"52"
},
{
"desc":"You can configure security groups and firewalls to increase the security of ECSs in your VPC.Security groups operate at the ECS level.Firewalls protect associated subnets",
"product_code":"vpc",
"title":"Differences Between Security Groups and Firewalls",
"uri":"en-us_topic_0052003963.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"53"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Security Group",
"uri":"vpc_SecurityGroup_0001.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"54"
},
{
"desc":"A security group is a collection of access control rules for cloud resources, such as cloud servers, containers, and databases, that have the same security protection req",
"product_code":"vpc",
"title":"Security Groups and Security Group Rules",
"uri":"en-us_topic_0073379079.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"55"
},
{
"desc":"If you have not created any security group, the system automatically creates a default security group for you and associates it with the instance (such as an ECS) when yo",
"product_code":"vpc",
"title":"Default Security Group and Its Rules",
"uri":"SecurityGroup_0003.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"56"
},
{
"desc":"Here are some common security group configuration examples for different scenarios, including remote login to ECSs, website access, and internal communication between ins",
"product_code":"vpc",
"title":"Security Group Configuration Examples",
"uri":"en-us_topic_0081124350.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"57"
},
{
"desc":"A security group is a collection of access control rules to control the traffic that is allowed to reach and leave the cloud resources that it is associated with. The clo",
"product_code":"vpc",
"title":"Creating a Security Group",
"uri":"en-us_topic_0013748715.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"58"
},
{
"desc":"You can clone a security group from one region to another to quickly apply the security group rules to ECSs in another region.You can clone a security group in the follow",
"product_code":"vpc",
"title":"Cloning a Security Group",
"uri":"vpc_SecurityGroup_0009.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"59"
},
{
"desc":"After a security group is created, you can change its name and description.Log in to the management console.Click in the upper left corner and select the desired region ",
"product_code":"vpc",
"title":"Modifying a Security Group",
"uri":"vpc_SecurityGroup_0010.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"60"
},
{
"desc":"If your security group is no longer required, you can delete it.The default security group is named default and cannot be deleted.If you want to delete a security group t",
"product_code":"vpc",
"title":"Deleting a Security Group",
"uri":"vpc_SecurityGroup_0008.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"61"
},
{
"desc":"A security group is a collection of access control rules to control the traffic that is allowed to reach and leave the cloud resources that it is associated with. The clo",
"product_code":"vpc",
"title":"Adding a Security Group Rule",
"uri":"en-us_topic_0030969470.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"62"
},
{
"desc":"The fast-adding rule function of security groups allows you to quickly add rules with common ports and protocols for remote login, ping tests, common web services, and da",
"product_code":"vpc",
"title":"Fast-Adding Security Group Rules",
"uri":"SecurityGroup_0004.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"63"
},
{
"desc":"You can modify the port, protocol, and IP address of your security group rules as required to ensure the security of your instances.Log in to the management console.Click",
"product_code":"vpc",
"title":"Modifying a Security Group Rule",
"uri":"vpc_SecurityGroup_0005.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"64"
},
{
"desc":"You can replicate an existing security group rule and modify it to quickly generate a new rule.Log in to the management console.Click in the upper left corner and select",
"product_code":"vpc",
"title":"Replicating a Security Group Rule",
"uri":"vpc_SecurityGroup_0004.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"65"
},
{
"desc":"You can configure security group rules in an Excel file and import the rules to the security group. You can also export security group rules to an Excel file. You are adv",
"product_code":"vpc",
"title":"Importing and Exporting Security Group Rules",
"uri":"vpc_SecurityGroup_0007.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"66"
},
{
"desc":"If your security group rule is no longer required, you can delete it.Security group rules use whitelists. Deleting a security group rule may result in ECS access failures",
"product_code":"vpc",
"title":"Deleting a Security Group Rule",
"uri":"vpc_SecurityGroup_0006.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"67"
},
{
"desc":"When you create an instance, the system automatically adds the instance to a security group for protection.If one security group cannot meet your requirements, you can ad",
"product_code":"vpc",
"title":"Adding an Instance to or Removing an Instance from a Security Group",
"uri":"SecurityGroup_0017.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"68"
},
{
"desc":"View inbound and outbound rules of a security group used by an ECS.Log in to the management console.Click in the upper left corner and select the desired region and proj",
"product_code":"vpc",
"title":"Viewing the Security Group of an ECS",
"uri":"vpc_SecurityGroup_0011.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"69"
},
{
"desc":"Change the security group associated with an ECS NIC.Log in to the management console.Click in the upper left corner and select your region and project.Under Computing, ",
"product_code":"vpc",
"title":"Changing the Security Group of an ECS",
"uri":"SecurityGroup_0006.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"70"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Firewall",
"uri":"vpc_acl_0000.html",
"doc_type":"usermanual",
"p_code":"52",
"code":"71"
},
{
"desc":"A firewall is an optional layer of security for your subnets. After you associate one or more subnets with a firewall, you can control traffic in and out of the subnets.F",
"product_code":"vpc",
"title":"Firewall Overview",
"uri":"acl_0001.html",
"doc_type":"usermanual",
"p_code":"71",
"code":"72"
},
{
"desc":"This section provides examples for configuring firewalls.Denying Access from a Specific PortAllowing Access from Specific Ports and ProtocolsYou might want to block TCP p",
"product_code":"vpc",
"title":"Firewall Configuration Examples",
"uri":"acl_0002.html",
"doc_type":"usermanual",
"p_code":"71",
"code":"73"
},
{
"desc":"You can create a custom firewall. By default, a newly created firewall is disabled and has no inbound or outbound rules, or any subnets associated.By default, you can cre",
"product_code":"vpc",
"title":"Creating a Firewall",
"uri":"en-us_topic_0051746698.html",
"doc_type":"usermanual",
"p_code":"71",
"code":"74"
},
{
"desc":"Add an inbound or outbound rule based on your network security requirements.A firewall can contain no more than 20 rules in one direction, or performance will deteriorate",
"product_code":"vpc",
"title":"Adding a Firewall Rule",
"uri":"en-us_topic_0051746702.html",
"doc_type":"usermanual",
"p_code":"71",
"code":"75"
},
{
"desc":"You can associate a firewall with a subnet to protect resources in the subnet. After a firewall is associated with a subnet, the firewall denies all traffic to and from t",
"product_code":"vpc",
"title":"Associating Subnets with a Firewall",
"uri":"en-us_topic_0051746700.html",
"doc_type":"usermanual",
"p_code":"71",
"code":"76"
},
{
"desc":"Disassociate a subnet from a firewall when necessary.Log in to the management console.Click in the upper left corner and select the desired region and project.Click in ",
"product_code":"vpc",
"title":"Disassociating a Subnet from a Firewall",
"uri":"vpc_acl_0003.html",
"doc_type":"usermanual",
"p_code":"71",
"code":"77"
},
{
"desc":"If you need a rule to take effect before or after a specific rule, you can insert that rule before or after the specific rule.If multiple firewall rules conflict, only th",
"product_code":"vpc",
"title":"Changing the Sequence of a Firewall Rule",
"uri":"vpc_acl_0004.html",
"doc_type":"usermanual",
"p_code":"71",
"code":"78"
},
{
"desc":"Modify an inbound or outbound firewall rule based on your network security requirements.Log in to the management console.Click in the upper left corner and select the de",
"product_code":"vpc",
"title":"Modifying a Firewall Rule",
"uri":"vpc_acl_0005.html",
"doc_type":"usermanual",
"p_code":"71",
"code":"79"
},
{
"desc":"Enable or disable an inbound or outbound rule based on your network security requirements.Log in to the management console.Click in the upper left corner and select the ",
"product_code":"vpc",
"title":"Enabling or Disabling a Firewall Rule",
"uri":"vpc_acl_0006.html",
"doc_type":"usermanual",
"p_code":"71",
"code":"80"
},
{
"desc":"Delete an inbound or outbound rule based on your network security requirements.Log in to the management console.Click in the upper left corner and select the desired reg",
"product_code":"vpc",
"title":"Deleting a Firewall Rule",
"uri":"vpc_acl_0007.html",
"doc_type":"usermanual",
"p_code":"71",
"code":"81"
},
{
"desc":"View details about a firewall.Log in to the management console.Click in the upper left corner and select the desired region and project.Click in the upper left corner a",
"product_code":"vpc",
"title":"Viewing a Firewall",
"uri":"vpc_acl_0009.html",
"doc_type":"usermanual",
"p_code":"71",
"code":"82"
},
{
"desc":"Modify the name and description of a firewall.Log in to the management console.Click in the upper left corner and select the desired region and project.Click in the upp",
"product_code":"vpc",
"title":"Modifying a Firewall",
"uri":"vpc_acl_0010.html",
"doc_type":"usermanual",
"p_code":"71",
"code":"83"
},
{
"desc":"After a firewall is created, you may need to enable it based on network security requirements. You can also disable an enabled firewall if needed. Before enabling a firew",
"product_code":"vpc",
"title":"Enabling or Disabling a Firewall",
"uri":"vpc_acl_0011.html",
"doc_type":"usermanual",
"p_code":"71",
"code":"84"
},
{
"desc":"Delete a firewall when it is no longer required.Log in to the management console.Click in the upper left corner and select the desired region and project.Click in the u",
"product_code":"vpc",
"title":"Deleting a Firewall",
"uri":"vpc_acl_0012.html",
"doc_type":"usermanual",
"p_code":"71",
"code":"85"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Elastic IP",
"uri":"vpc_eip_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"86"
},
{
"desc":"You can assign an EIP and bind it to an ECS so that the ECS can access the Internet.Note the following when you use EIPs of the Dedicated Load Balancer (5_gray) type:In e",
"product_code":"vpc",
"title":"Assigning an EIP and Binding It to an ECS",
"uri":"en-us_topic_0013748738.html",
"doc_type":"usermanual",
"p_code":"86",
"code":"87"
},
{
"desc":"If you no longer need an EIP, unbind it from the ECS and release the EIP to avoid wasting network resources.In eu-de, EIPs of the Dedicated Load Balancer (5_gray) type ca",
"product_code":"vpc",
"title":"Unbinding an EIP from an ECS and Releasing the EIP",
"uri":"vpc_eip_0001.html",
"doc_type":"usermanual",
"p_code":"86",
"code":"88"
},
{
"desc":"Modify the EIP bandwidth name or size.This section describes how to modify the dedicated bandwidth or shared bandwidth of an EIP. For details about how to modify a shared",
"product_code":"vpc",
"title":"Modifying an EIP Bandwidth",
"uri":"en-us_topic_0013748743.html",
"doc_type":"usermanual",
"p_code":"86",
"code":"89"
},
{
"desc":"The information of all EIPs under your account can be exported in an Excel file to a local directory. The file records the ID, status, type, bandwidth name, and bandwidth",
"product_code":"vpc",
"title":"Exporting EIP Information",
"uri":"eip_0003.html",
"doc_type":"usermanual",
"p_code":"86",
"code":"90"
},
{
"desc":"Tags can be added to EIPs to facilitate EIP identification and administration. You can add a tag to an EIP when assigning the EIP. Alternatively, you can add a tag to an ",
"product_code":"vpc",
"title":"Managing EIP Tags",
"uri":"en-us_topic_0068145818.html",
"doc_type":"usermanual",
"p_code":"86",
"code":"91"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Shared Bandwidth",
"uri":"vpc010003.html",
"doc_type":"usermanual",
"p_code":"",
"code":"92"
},
{
"desc":"A shared bandwidth can be shared by multiple EIPs and controls the data transfer rate on these EIPs in a centralized manner. All ECSs, BMSs, and load balancers that have ",
"product_code":"vpc",
"title":"Shared Bandwidth Overview",
"uri":"vpc010004.html",
"doc_type":"usermanual",
"p_code":"92",
"code":"93"
},
{
"desc":"Assign a shared bandwidth for use with EIPs.Log in to the management console.Click in the upper left corner and select the desired region and project.Click in the upper",
"product_code":"vpc",
"title":"Assigning a Shared Bandwidth",
"uri":"vpc010005.html",
"doc_type":"usermanual",
"p_code":"92",
"code":"94"
},
{
"desc":"Add EIPs to a shared bandwidth and the EIPs can then share that bandwidth. You can add multiple EIPs to a shared bandwidth at the same time.The type of EIPs must be the s",
"product_code":"vpc",
"title":"Adding EIPs to a Shared Bandwidth",
"uri":"vpc010006.html",
"doc_type":"usermanual",
"p_code":"92",
"code":"95"
},
{
"desc":"Remove EIPs that are no longer required from a shared bandwidth if needed.Log in to the management console.Click in the upper left corner and select the desired region a",
"product_code":"vpc",
"title":"Removing EIPs from a Shared Bandwidth",
"uri":"vpc010007.html",
"doc_type":"usermanual",
"p_code":"92",
"code":"96"
},
{
"desc":"You can modify the name and size of a shared bandwidth as required.Log in to the management console.Click in the upper left corner and select the desired region and proj",
"product_code":"vpc",
"title":"Modifying a Shared Bandwidth",
"uri":"vpc010008.html",
"doc_type":"usermanual",
"p_code":"92",
"code":"97"
},
{
"desc":"Delete a shared bandwidth when it is no longer required.Before deleting a shared bandwidth, remove all the EIPs associated with it. For details, see Removing EIPs from a ",
"product_code":"vpc",
"title":"Deleting a Shared Bandwidth",
"uri":"vpc010009.html",
"doc_type":"usermanual",
"p_code":"92",
"code":"98"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Route Tables",
"uri":"vpc_route01_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"99"
},
{
"desc":"A route table contains a set of routes that are used to determine where network traffic from your subnets in a VPC is directed. Each subnet must be associated with a rout",
"product_code":"vpc",
"title":"Route Tables and Routes",
"uri":"vpc_route01_0001.html",
"doc_type":"usermanual",
"p_code":"99",
"code":"100"
},
{
"desc":"A VPC automatically comes with a default route table. If your default route table cannot meet your service requirements, you can create a custom route table.By default, e",
"product_code":"vpc",
"title":"Creating a Custom Route Table",
"uri":"vpc_route01_0005.html",
"doc_type":"usermanual",
"p_code":"99",
"code":"101"
},
{
"desc":"After a subnet is created, the system associates the subnet with the default route table of its VPC. If you want to use specific routes for a subnet, you can associate th",
"product_code":"vpc",
"title":"Associating a Route Table with a Subnet",
"uri":"vpc_route01_0007.html",
"doc_type":"usermanual",
"p_code":"99",
"code":"102"
},
{
"desc":"You can change the route table for a subnet. If the route table for a subnet is changed, routes in the new route table will apply to all cloud resources in the subnet.Log",
"product_code":"vpc",
"title":"Changing the Route Table Associated with a Subnet",
"uri":"vpc_route01_0008.html",
"doc_type":"usermanual",
"p_code":"99",
"code":"103"
},
{
"desc":"This section describes how to view the route table associated with a subnet.Log in to the management console.Click in the upper left corner and select the desired region",
"product_code":"vpc",
"title":"Viewing the Route Table Associated with a Subnet",
"uri":"vpc_route01_0015.html",
"doc_type":"usermanual",
"p_code":"99",
"code":"104"
},
{
"desc":"This section describes how to view detailed information about a route table, including:Basic information, such as name, type (default or custom), and ID of the route tabl",
"product_code":"vpc",
"title":"Viewing Route Table Information",
"uri":"vpc_route01_0009.html",
"doc_type":"usermanual",
"p_code":"99",
"code":"105"
},
{
"desc":"Information about all route tables under your account can be exported as an Excel file to a local directory. This file records the name, ID, VPC, type, and number of asso",
"product_code":"vpc",
"title":"Exporting Route Table Information",
"uri":"vpc_route01_0014.html",
"doc_type":"usermanual",
"p_code":"99",
"code":"106"
},
{
"desc":"This section describes how to delete a custom route table.The default route table cannot be deleted.A custom route table with a subnet associated cannot be deleted direct",
"product_code":"vpc",
"title":"Deleting a Route Table",
"uri":"vpc_route01_0010.html",
"doc_type":"usermanual",
"p_code":"99",
"code":"107"
},
{
"desc":"Each route table contains a default system route, which indicates that ECSs in a VPC can communicate with each other. You can also add custom routes as required to forwar",
"product_code":"vpc",
"title":"Adding a Custom Route",
"uri":"vpc_route01_0006.html",
"doc_type":"usermanual",
"p_code":"99",
"code":"108"
},
{
"desc":"This section describes how to modify a custom route in a route table.System routes cannot be modified.When you create a VPC endpoint, VPN or Direct Connect connection, th",
"product_code":"vpc",
"title":"Modifying a Route",
"uri":"vpc_route01_0011.html",
"doc_type":"usermanual",
"p_code":"99",
"code":"109"
},
{
"desc":"This section describes how to replicate routes among all route tables of a VPC. VPC route tables include the default and custom route tables.Table 1 shows whether routes ",
"product_code":"vpc",
"title":"Replicating a Route",
"uri":"vpc_route01_0013.html",
"doc_type":"usermanual",
"p_code":"99",
"code":"110"
},
{
"desc":"This section describes how to delete a custom route from a route table.System routes cannot be deleted.The routes automatically delivered by VPN or Direct Connect to the ",
"product_code":"vpc",
"title":"Deleting a Route",
"uri":"vpc_route01_0012.html",
"doc_type":"usermanual",
"p_code":"99",
"code":"111"
},
{
"desc":"Together with VPC route tables, you can configure SNAT on an ECS to enable other ECSs that have no EIPs bound in the same VPC to access the Internet through this ECS.The ",
"product_code":"vpc",
"title":"Configuring an SNAT Server",
"uri":"vpc_route_0004.html",
"doc_type":"usermanual",
"p_code":"99",
"code":"112"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"VPC Peering Connection",
"uri":"vpc_peering_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"113"
},
{
"desc":"A VPC peering connection is a networking connection between two VPCs and enables them to communicate using private IP addresses. The VPCs to be peered can be in the same ",
"product_code":"vpc",
"title":"VPC Peering Connection Overview",
"uri":"en-us_topic_0046655036.html",
"doc_type":"usermanual",
"p_code":"113",
"code":"114"
},
{
"desc":"A VPC peering connection is a networking connection between two VPCs in the same region and enables them to communicate. Table 1 lists different scenarios of using VPC pe",
"product_code":"vpc",
"title":"VPC Peering Connection Usage Examples",
"uri":"en-us_topic_0046809840.html",
"doc_type":"usermanual",
"p_code":"113",
"code":"115"
},
{
"desc":"If two VPCs from the same region cannot communicate with each other, you can use a VPC peering connection. This section describes how to create a VPC peering connection b",
"product_code":"vpc",
"title":"Creating a VPC Peering Connection with Another VPC in Your Account",
"uri":"en-us_topic_0046655037.html",
"doc_type":"usermanual",
"p_code":"113",
"code":"116"
},
{
"desc":"If two VPCs from the same region cannot communicate with each other, you can use a VPC peering connection. This section describes how to create a VPC peering connection b",
"product_code":"vpc",
"title":"Creating a VPC Peering Connection with a VPC in Another Account",
"uri":"en-us_topic_0046655038.html",
"doc_type":"usermanual",
"p_code":"113",
"code":"117"
},
{
"desc":"If you create a VPC peering connection between two VPCs in different accounts, you can refer to this section to obtain the project ID of the region that the peer VPC resi",
"product_code":"vpc",
"title":"Obtaining the Peer Project ID of a VPC Peering Connection",
"uri":"vpc_peering_0005.html",
"doc_type":"usermanual",
"p_code":"113",
"code":"118"
},
{
"desc":"This section describes how to modify the name of a VPC peering connection.Either owner of a VPC in a peering connection can modify the VPC peering connection in any state",
"product_code":"vpc",
"title":"Modifying a VPC Peering Connection",
"uri":"vpc_peering_0002.html",
"doc_type":"usermanual",
"p_code":"113",
"code":"119"
},
{
"desc":"This section describes how to view basic information about a VPC peering connection, including the connection name, status, and information about the local and peer VPCs.",
"product_code":"vpc",
"title":"Viewing VPC Peering Connections",
"uri":"vpc_peering_0001.html",
"doc_type":"usermanual",
"p_code":"113",
"code":"120"
},
{
"desc":"This section describes how to delete a VPC peering connection.Either owner of a VPC in a peering connection can delete the VPC peering connection in any state.The owner o",
"product_code":"vpc",
"title":"Deleting a VPC Peering Connection",
"uri":"vpc_peering_0003.html",
"doc_type":"usermanual",
"p_code":"113",
"code":"121"
},
{
"desc":"This section describes how to modify the routes added for a VPC peering connection in the route tables of the local and peer VPCs.Modifying Routes of a VPC Peering Connec",
"product_code":"vpc",
"title":"Modifying Routes Configured for a VPC Peering Connection",
"uri":"vpc_peering_0007.html",
"doc_type":"usermanual",
"p_code":"113",
"code":"122"
},
{
"desc":"This section describes how to view the routes added to the route tables of local and peer VPCs of a VPC peering connection.Viewing Routes of a VPC Peering Connection Betw",
"product_code":"vpc",
"title":"Viewing Routes Configured for a VPC Peering Connection",
"uri":"vpc_peering_0004.html",
"doc_type":"usermanual",
"p_code":"113",
"code":"123"
},
{
"desc":"This section describes how to delete routes from the route tables of the local and peer VPCs connected by a VPC peering connection.Deleting Routes of a VPC Peering Connec",
"product_code":"vpc",
"title":"Deleting Routes Configured for a VPC Peering Connection",
"uri":"vpc_peering_0006.html",
"doc_type":"usermanual",
"p_code":"113",
"code":"124"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"VPC Flow Log",
"uri":"FlowLog_0001.html",
"doc_type":"usermanual",
"p_code":"",
"code":"125"
},
{
"desc":"A VPC flow log records information about the traffic going to and from a VPC. VPC flow logs help you monitor network traffic, analyze network attacks, and determine wheth",
"product_code":"vpc",
"title":"VPC Flow Log Overview",
"uri":"FlowLog_0002.html",
"doc_type":"usermanual",
"p_code":"125",
"code":"126"
},
{
"desc":"A VPC flow log records information about the traffic going to and from a VPC.Ensure that the following operations have been performed on the LTS console:Create a log grou",
"product_code":"vpc",
"title":"Creating a VPC Flow Log",
"uri":"FlowLog_0003.html",
"doc_type":"usermanual",
"p_code":"125",
"code":"127"
},
{
"desc":"View information about your flow log record.The capture window is approximately 10 minutes, which indicates that a flow log record will be generated every 10 minutes. Aft",
"product_code":"vpc",
"title":"Viewing a VPC Flow Log",
"uri":"FlowLog_0004.html",
"doc_type":"usermanual",
"p_code":"125",
"code":"128"
},
{
"desc":"After a VPC flow log is created, the VPC flow log is automatically enabled. If you do not need to record traffic data, you can disable the corresponding VPC flow log. The",
"product_code":"vpc",
"title":"Enabling or Disabling VPC Flow Log",
"uri":"FlowLog_0006.html",
"doc_type":"usermanual",
"p_code":"125",
"code":"129"
},
{
"desc":"Delete a VPC flow log that is not required. Deleting a VPC flow log will not delete the existing flow log records in LTS.If a NIC that uses a VPC flow log is deleted, the",
"product_code":"vpc",
"title":"Deleting a VPC Flow Log",
"uri":"FlowLog_0005.html",
"doc_type":"usermanual",
"p_code":"125",
"code":"130"
},
{
"desc":"Direct Connect allows you to establish a dedicated network connection between your data center and the cloud platform. With Direct Connect, you can establish a private co",
"product_code":"vpc",
"title":"Direct Connect",
"uri":"vpc_dc_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"131"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Virtual IP Address",
"uri":"vpc_vip_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"132"
},
{
"desc":"A virtual IP address can be shared among multiple ECSs. An ECS can have both private and virtual IP addresses, and you can access the ECS through either IP address. A vir",
"product_code":"vpc",
"title":"Virtual IP Address Overview",
"uri":"vpc_vip_0001.html",
"doc_type":"usermanual",
"p_code":"132",
"code":"133"
},
{
"desc":"If an ECS requires a virtual IP address or if a virtual IP address needs to be reserved, you can assign a virtual IP address from the subnet.Log in to the management cons",
"product_code":"vpc",
"title":"Assigning a Virtual IP Address",
"uri":"vpc_vip_0002.html",
"doc_type":"usermanual",
"p_code":"132",
"code":"134"
},
{
"desc":"You can bind a virtual IP address to an EIP so that you can access the ECSs bound with the same virtual IP address from the Internet. These ECSs can work in the active/st",
"product_code":"vpc",
"title":"Binding a Virtual IP Address to an EIP or ECS",
"uri":"en-us_topic_0067802474.html",
"doc_type":"usermanual",
"p_code":"132",
"code":"135"
},
{
"desc":"This section describes how to bind a virtual IP address to an EIP.You have assigned an EIP.Log in to the management console.Click in the upper left corner and select the",
"product_code":"vpc",
"title":"Binding a Virtual IP Address to an EIP",
"uri":"vpc_vip_0003.html",
"doc_type":"usermanual",
"p_code":"132",
"code":"136"
},
{
"desc":"Configure the ECS networking based on Networking.Create a VPN.The VPN can be used to access the virtual IP address of the ECS.",
"product_code":"vpc",
"title":"Using a VPN to Access a Virtual IP Address",
"uri":"vpc_vip_0004.html",
"doc_type":"usermanual",
"p_code":"132",
"code":"137"
},
{
"desc":"Configure the ECS networking based on Networking.Create a Direct Connect connection.The created Direct Connect connection can be used to access the virtual IP address of ",
"product_code":"vpc",
"title":"Using a Direct Connect Connection to Access the Virtual IP Address",
"uri":"vpc_vip_0005.html",
"doc_type":"usermanual",
"p_code":"132",
"code":"138"
},
{
"desc":"Configure the ECS networking based on Networking.Create a VPC peering connection.You can access the virtual IP address of the ECS through the VPC peering connection.",
"product_code":"vpc",
"title":"Using a VPC Peering Connection to Access the Virtual IP Address",
"uri":"vpc_vip_0006.html",
"doc_type":"usermanual",
"p_code":"132",
"code":"139"
},
{
"desc":"If a virtual IP address is used in an active/standby scenario, disable IP forwarding on the standby ECS.Log in to the ECS.Run the following command to switch to user root",
"product_code":"vpc",
"title":"Disabling IP Forwarding on the Standby ECS",
"uri":"vpc_vip_0007.html",
"doc_type":"usermanual",
"p_code":"132",
"code":"140"
},
{
"desc":"If a virtual IP address is used in an HA load balancing cluster, you need to disable source/destination check for ECS NICs.Log in to the management console.Click in the ",
"product_code":"vpc",
"title":"Disabling Source and Destination Check (HA Load Balancing Cluster Scenario)",
"uri":"vpc_vip_0008.html",
"doc_type":"usermanual",
"p_code":"132",
"code":"141"
},
{
"desc":"This section describes how to unbind a virtual IP address from an ECS.Log in to the management console.Click in the upper left corner and select the desired region and p",
"product_code":"vpc",
"title":"Unbinding a Virtual IP Address from an Instance",
"uri":"vpc_vip_0010.html",
"doc_type":"usermanual",
"p_code":"132",
"code":"142"
},
{
"desc":"This section describes how to unbind a virtual IP address from an EIP.Log in to the management console.Click in the upper left corner and select the desired region and p",
"product_code":"vpc",
"title":"Unbinding a Virtual IP Address from an EIP",
"uri":"vpc_vip_0011.html",
"doc_type":"usermanual",
"p_code":"132",
"code":"143"
},
{
"desc":"If you no longer need a virtual IP address or a reserved virtual IP address, you can release it to avoid wasting resources.If you want to release a virtual IP address tha",
"product_code":"vpc",
"title":"Releasing a Virtual IP Address",
"uri":"vpc_vip_0009.html",
"doc_type":"usermanual",
"p_code":"132",
"code":"144"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Monitoring",
"uri":"vpc010011.html",
"doc_type":"usermanual",
"p_code":"",
"code":"145"
},
{
"desc":"This section describes the namespace, list, and measurement dimensions of EIP and bandwidth metrics that you can check on Cloud Eye. You can use APIs or the Cloud Eye con",
"product_code":"vpc",
"title":"Supported Metrics",
"uri":"vpc010012.html",
"doc_type":"usermanual",
"p_code":"145",
"code":"146"
},
{
"desc":"You can view the bandwidth and EIP usage on the Elastic IP and Bandwidth or Cloud Eye console.You can view the inbound bandwidth, outbound bandwidth, inbound bandwidth us",
"product_code":"vpc",
"title":"Viewing Metrics",
"uri":"vpc010013.html",
"doc_type":"usermanual",
"p_code":"145",
"code":"147"
},
{
"desc":"You can configure alarm rules to customize the monitored objects and notification policies. You can learn your resource statuses at any time.Log in to the management cons",
"product_code":"vpc",
"title":"Creating an Alarm Rule",
"uri":"vpc010014.html",
"doc_type":"usermanual",
"p_code":"145",
"code":"148"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Permissions Management",
"uri":"permission_0001.html",
"doc_type":"usermanual",
"p_code":"",
"code":"149"
},
{
"desc":"This section describes how to use IAM to implement fine-grained permissions control for your VPC resources. With IAM, you can:Create IAM users for employees based on your",
"product_code":"vpc",
"title":"Creating a User and Granting VPC Permissions",
"uri":"permission_0003.html",
"doc_type":"usermanual",
"p_code":"149",
"code":"150"
},
{
"desc":"Custom policies can be created to supplement the system-defined policies of VPC. For the actions supported for custom policies, see Permissions Policies and Supported Act",
"product_code":"vpc",
"title":"VPC Custom Policies",
"uri":"permission_0004.html",
"doc_type":"usermanual",
"p_code":"149",
"code":"151"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"FAQ",
"uri":"vpc_faq_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"152"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"General Questions",
"uri":"faq_common.html",
"doc_type":"usermanual",
"p_code":"152",
"code":"153"
},
{
"desc":"A quota limits the quantity of a resource available to users, thereby preventing spikes in the usage of the resource. For example, a VPC quota limits the number of VPCs t",
"product_code":"vpc",
"title":"What Is a Quota?",
"uri":"vpc_faq_0051.html",
"doc_type":"usermanual",
"p_code":"153",
"code":"154"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"VPCs and Subnets",
"uri":"faq_vpc.html",
"doc_type":"usermanual",
"p_code":"152",
"code":"155"
},
{
"desc":"The Virtual Private Cloud (VPC) service enables you to provision logically isolated virtual networks for Elastic Cloud Servers (ECSs), improving cloud resource security a",
"product_code":"vpc",
"title":"What Is Virtual Private Cloud?",
"uri":"vpc_faq_0001.html",
"doc_type":"usermanual",
"p_code":"155",
"code":"156"
},
{
"desc":"The following table lists the private CIDR blocks that you can specify when creating a VPC. Consider the following when selecting a VPC CIDR block:Number of IP addresses:",
"product_code":"vpc",
"title":"Which CIDR Blocks Are Available for the VPC Service?",
"uri":"vpc_faq_0004.html",
"doc_type":"usermanual",
"p_code":"155",
"code":"157"
},
{
"desc":"Subnets in the same VPC can communicate with each other by default.VPCs are isolated from each other. Subnets from different VPCs cannot communicate with each other. You ",
"product_code":"vpc",
"title":"Can Subnets Communicate with Each Other?",
"uri":"vpc_faq_0005.html",
"doc_type":"usermanual",
"p_code":"155",
"code":"158"
},
{
"desc":"A subnet is an IP address range from a VPC. The VPC service supports CIDR blocks 10.0.0.0/8-24, 172.16.0.0/12-24, and 192.168.0.0/16-24.Subnets must reside within your VP",
"product_code":"vpc",
"title":"What Subnet CIDR Blocks Are Available?",
"uri":"vpc_faq_0006.html",
"doc_type":"usermanual",
"p_code":"155",
"code":"159"
},
{
"desc":"Each account can have a maximum of 100 subnets. If the number of subnets cannot meet your service requirements, request a quota increase. For details, see What Is a Quota",
"product_code":"vpc",
"title":"How Many Subnets Can I Create?",
"uri":"vpc_faq_0009.html",
"doc_type":"usermanual",
"p_code":"155",
"code":"160"
},
{
"desc":"The network ID of the subnet is the neutron_network_id in the subnet fields in Subnet > Creating a Subnet in the Virtual Private Cloud API Reference.Parameter neutron_net",
"product_code":"vpc",
"title":"What Are the Differences Between the Network ID and Subnet ID of a Subnet?",
"uri":"vpc_faq_0094.html",
"doc_type":"usermanual",
"p_code":"155",
"code":"161"
},
{
"desc":"If VPCs and subnets are being used by other resources, you need to delete these resources first based on the prompts on the console before deleting the VPCs and subnets. ",
"product_code":"vpc",
"title":"Why Can't I Delete My VPCs and Subnets?",
"uri":"vpc_faq_0075.html",
"doc_type":"usermanual",
"p_code":"155",
"code":"162"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"EIPs",
"uri":"faq_eip.html",
"doc_type":"usermanual",
"p_code":"152",
"code":"163"
},
{
"desc":"The Elastic IP (EIP) service enables your cloud resources to communicate with the Internet using static public IP addresses and scalable bandwidths. EIPs can be bound to ",
"product_code":"vpc",
"title":"What Is an EIP?",
"uri":"vpc_faq_0013.html",
"doc_type":"usermanual",
"p_code":"163",
"code":"164"
},
{
"desc":"Each EIP can be bound to only one ECS at a time.Multiple ECSs cannot share the same EIP. An ECS and its bound EIP must be in the same region. If you want multiple ECSs in",
"product_code":"vpc",
"title":"Can I Bind an EIP to Multiple ECSs?",
"uri":"vpc_faq_0019.html",
"doc_type":"usermanual",
"p_code":"163",
"code":"165"
},
{
"desc":"Each ECS is automatically added to a security group after being created to ensure its security. The security group denies access traffic from the Internet by default. To ",
"product_code":"vpc",
"title":"How Do I Access an ECS with an EIP Bound from the Internet?",
"uri":"vpc_faq_0020.html",
"doc_type":"usermanual",
"p_code":"163",
"code":"166"
},
{
"desc":"No. EIPs and their associated cloud resources must be in the same region.",
"product_code":"vpc",
"title":"Can I Bind an EIP to a Cloud Resource in Another Region?",
"uri":"faq_eip_0012.html",
"doc_type":"usermanual",
"p_code":"163",
"code":"167"
},
{
"desc":"The region of an EIP cannot be changed.If you assigned an EIP in region A but need an EIP in region B, you cannot directly change the region of the assigned EIP from A to",
"product_code":"vpc",
"title":"Can I Change the Region of My EIP?",
"uri":"faq_eip_0014.html",
"doc_type":"usermanual",
"p_code":"163",
"code":"168"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"VPC Peering Connections",
"uri":"faq_peer_0000.html",
"doc_type":"usermanual",
"p_code":"152",
"code":"169"
},
{
"desc":"Each account can have a maximum of 50 VPC peering connections in each region by default.Number of VPC peering connections that you can create in each region between VPCs ",
"product_code":"vpc",
"title":"How Many VPC Peering Connections Can I Create in an Account?",
"uri":"vpc_faq_0070.html",
"doc_type":"usermanual",
"p_code":"169",
"code":"170"
},
{
"desc":"A VPC peering connection only can connect VPCs in the same region.Figure 1 shows an application scenario of VPC peering connections.There are two VPCs (VPC-A and VPC-B) i",
"product_code":"vpc",
"title":"Can a VPC Peering Connection Connect VPCs in Different Regions?",
"uri":"faq_connection_0001.html",
"doc_type":"usermanual",
"p_code":"169",
"code":"171"
},
{
"desc":"After a VPC peering connection is created, the local and peer VPCs cannot communicate with each other.The issues here are described in order of how likely they are to occ",
"product_code":"vpc",
"title":"Why Did Communication Fail Between VPCs That Were Connected by a VPC Peering Connection?",
"uri":"vpc_faq_0069.html",
"doc_type":"usermanual",
"p_code":"169",
"code":"172"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Bandwidth",
"uri":"faq_bandwidth.html",
"doc_type":"usermanual",
"p_code":"152",
"code":"173"
},
{
"desc":"The bandwidth range is from 5 Mbit/s to 1000 Mbit/s.",
"product_code":"vpc",
"title":"What Is the Bandwidth Size Range?",
"uri":"vpc_faq_0011.html",
"doc_type":"usermanual",
"p_code":"173",
"code":"174"
},
{
"desc":"There are dedicated bandwidths and shared bandwidths. A dedicated bandwidth can only be used by one EIP, but a shared bandwidth can be used by multiple EIPs.",
"product_code":"vpc",
"title":"What Bandwidth Types Are Available?",
"uri":"vpc_faq_0012.html",
"doc_type":"usermanual",
"p_code":"173",
"code":"175"
},
{
"desc":"A dedicated bandwidth can only be used by one EIP. An EIP can only be used by one cloud resource, such as an ECS, a NAT gateway, or a load balancer.A shared bandwidth can",
"product_code":"vpc",
"title":"What Are the Differences Between a Dedicated Bandwidth and a Shared Bandwidth? Can a Dedicated Bandwidth Be Changed to a Shared Bandwidth or the Other Way Around?",
"uri":"faq_bandwidth_0003.html",
"doc_type":"usermanual",
"p_code":"173",
"code":"176"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Connectivity",
"uri":"faq_connection.html",
"doc_type":"usermanual",
"p_code":"152",
"code":"177"
},
{
"desc":"If the two VPCs are in the same region, you can use a VPC peering connection to enable communication between them.If the two VPCs are in different regions, you can use a ",
"product_code":"vpc",
"title":"Does a VPN Allow Communication Between Two VPCs?",
"uri":"vpc_faq_0058.html",
"doc_type":"usermanual",
"p_code":"177",
"code":"178"
},
{
"desc":"When an ECS has more than one NIC, if different DNS server addresses are configured for the subnets used by the NICs, the ECS cannot access the Internet or domain names i",
"product_code":"vpc",
"title":"Why Are Internet or Internal Domain Names in the Cloud Inaccessible Through Domain Names When My ECS Has Multiple NICs?",
"uri":"vpc_faq_0060.html",
"doc_type":"usermanual",
"p_code":"177",
"code":"179"
},
{
"desc":"The priority of an EIP is higher than that of a custom route in a VPC route table. For example:The VPC route table of an ECS has a custom route with 0.0.0.0/0 as the dest",
"product_code":"vpc",
"title":"What Are the Priorities of the Custom Route and EIP If Both Are Configured for an ECS to Enable the ECS to Access the Internet?",
"uri":"vpc_faq_0073.html",
"doc_type":"usermanual",
"p_code":"177",
"code":"180"
},
{
"desc":"The priority of a custom route is higher than that of shared SNAT.",
"product_code":"vpc",
"title":"What Are the Priorities of the Shared SNAT and Custom Route If Both Are Configured for an ECS to Enable the ECS to Access the Internet?",
"uri":"vpc_faq_00002.html",
"doc_type":"usermanual",
"p_code":"177",
"code":"181"
},
{
"desc":"Users with IPv6 clients can call APIs to assign IPv6 EIPs and bind the EIPs to ECSs. Then, the users can use the EIP to access the ECSs in the VPC over the Internet.For d",
"product_code":"vpc",
"title":"How Does an IPv6 Client on the Internet Access the ECS That Has an EIP Bound in a VPC?",
"uri":"vpc_faq_0076.html",
"doc_type":"usermanual",
"p_code":"177",
"code":"182"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Routing",
"uri":"faq_route.html",
"doc_type":"usermanual",
"p_code":"152",
"code":"183"
},
{
"desc":"Currently, a route table can contain 100 routes.",
"product_code":"vpc",
"title":"How Many Routes Can a Route Table Contain?",
"uri":"vpc_faq_0063.html",
"doc_type":"usermanual",
"p_code":"183",
"code":"184"
},
{
"desc":"An ECS providing SNAT must have Unbind IP from MAC enabled.The destination of each route in a route table must be unique. The next hop must be a private IP address or a v",
"product_code":"vpc",
"title":"Are There Any Restrictions on Using a Route Table?",
"uri":"vpc_faq_0064.html",
"doc_type":"usermanual",
"p_code":"183",
"code":"185"
},
{
"desc":"No. Direct Connect connections and custom routes are used in different scenarios, so the routing priorities are different.",
"product_code":"vpc",
"title":"Do the Same Routing Priorities Apply to Direct Connect Connections and Custom Routes in the Same VPC?",
"uri":"vpc_faq_0066.html",
"doc_type":"usermanual",
"p_code":"183",
"code":"186"
},
{
"desc":"No. The routing priority of custom routes and that of VPNs are the same.",
"product_code":"vpc",
"title":"Are There Different Routing Priorities of the VPN and Custom Routes in the Same VPC?",
"uri":"vpc_faq_00001.html",
"doc_type":"usermanual",
"p_code":"183",
"code":"187"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Security",
"uri":"faq_security.html",
"doc_type":"usermanual",
"p_code":"152",
"code":"188"
},
{
"desc":"The default security group is named default and cannot be deleted.If you want to delete a security group that is associated with instances, such as cloud servers, contain",
"product_code":"vpc",
"title":"Why Can't I Delete a Security Group?",
"uri":"faq_security_0003.html",
"doc_type":"usermanual",
"p_code":"188",
"code":"189"
},
{
"desc":"Yes. Log in to the ECS console, switch to the page showing ECS details, and change the security group of the ECS.",
"product_code":"vpc",
"title":"Can I Change the Security Group of an ECS?",
"uri":"vpc_faq_0039.html",
"doc_type":"usermanual",
"p_code":"188",
"code":"190"
},
{
"desc":"The TFTP daemon determines whether a configuration file specifies the port range. If you use a TFTP configuration file that allows the data channel ports to be configurab",
"product_code":"vpc",
"title":"How Do I Configure a Security Group for Multi-Channel Protocols?",
"uri":"vpc_faq_0059.html",
"doc_type":"usermanual",
"p_code":"188",
"code":"191"
},
{
"desc":"Security groups are stateful. Responses to outbound traffic are allowed to go in to the instance regardless of inbound security group rules, and vice versa. Security grou",
"product_code":"vpc",
"title":"Does a Security Group Rule or a Firewall Rule Immediately Take Effect for Existing Connections After It Is Modified?",
"uri":"vpc_faq_0074.html",
"doc_type":"usermanual",
"p_code":"188",
"code":"192"
},
{
"desc":"Security group rules use the whitelist mechanism. If multiple security group rules conflict, the rules are aggregated to take effect.",
"product_code":"vpc",
"title":"Which Security Group Rule Has Priority When Multiple Security Group Rules Conflict?",
"uri":"vpc_faq_0077.html",
"doc_type":"usermanual",
"p_code":"188",
"code":"193"
},
{
"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
"product_code":"vpc",
"title":"Change History",
"uri":"vpc_faq_0103.html",
"doc_type":"usermanual",
"p_code":"",
"code":"194"
},
{
"desc":"For details about the terms involved in this document, see Glossary.",
"product_code":"vpc",
"title":"Glossary",
"uri":"vpc_faq_0106.html",
"doc_type":"usermanual",
"p_code":"",
"code":"195"
}
]
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