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doc-exports/docs/natgw/umn/CLASS.TXT.json
zhoumeng35 7310adf178 NATat_umn_0823 
Reviewed-by: Hajba, László Antal <laszlo-antal.hajba@t-systems.com>
Co-authored-by: zhoumeng35 <zhoumeng35@huawei.com>
Co-committed-by: zhoumeng35 <zhoumeng35@huawei.com>
2025-04-11 11:57:46 +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":"nat",
"title":"Service Overview",
"uri":"nat_pro_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"1"
},
{
"desc":"NAT Gateway is a network address translation (NAT) service. It can be a public NAT gateway or a private NAT gateway.A public NAT gateway enables cloud and on-premises ser",
"product_code":"nat",
"title":"What Is NAT Gateway?",
"uri":"en-us_topic_0086739762.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"2"
},
{
"desc":"Flexible deploymentA NAT gateway can be shared across subnets and AZs, so that even if an AZ fails, the public NAT gateway can still run normally in another AZ. The speci",
"product_code":"nat",
"title":"NAT Gateway Advantages",
"uri":"nat_pro_0001.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"3"
},
{
"desc":"Allowing a private network to access the Internet using SNATIf your servers in a VPC need to access the Internet, you can configure SNAT rules to let these servers use EI",
"product_code":"nat",
"title":"Application Scenarios",
"uri":"nat_pro_0002.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"4"
},
{
"desc":"The NAT gateway performance is determined by the maximum number of SNAT connections supported.An SNAT connection consists of a source IP address, source port, destination",
"product_code":"nat",
"title":"NAT Gateway Specifications",
"uri":"en-us_topic_0086739763.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"5"
},
{
"desc":"When using a public NAT gateway, note the following:Common restrictionsRules on one public NAT gateway can use the same EIP, but rules on different NAT gateways must use ",
"product_code":"nat",
"title":"Notes and Constraints",
"uri":"en-us_topic_0086739750.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"6"
},
{
"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":"nat",
"title":"NAT Gateway and Other Services",
"uri":"nat_pro_0003.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"7"
},
{
"desc":"If you need to grant your enterprise personnel permission to access your NAT Gateway resources, use Identity and Access Management (IAM). IAM provides identity authentica",
"product_code":"nat",
"title":"Permissions Management",
"uri":"nat_permission_0000.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"8"
},
{
"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":"nat",
"title":"Region and AZ",
"uri":"nat_az_0000.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"9"
},
{
"desc":"An EIP is a static, public IP address.An EIP can be directly accessed over the Internet. A private IP address is an IP address on a local area network (LAN) and cannot be",
"product_code":"nat",
"title":"Basic Concepts",
"uri":"nat_pro_0004.html",
"doc_type":"usermanual",
"p_code":"1",
"code":"10"
},
{
"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":"nat",
"title":"Getting Started",
"uri":"nat_qs_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"11"
},
{
"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":"nat",
"title":"Allowing a Private Network to Access the Internet Using SNAT",
"uri":"nat_qs_0001.html",
"doc_type":"usermanual",
"p_code":"11",
"code":"12"
},
{
"desc":"If servers (ECSs and BMSs) without EIPs bound need to access the Internet, the servers can share one or more EIPs to access the Internet through a public NAT gateway. Thi",
"product_code":"nat",
"title":"Overview",
"uri":"en-us_topic_0087895790.html",
"doc_type":"usermanual",
"p_code":"12",
"code":"13"
},
{
"desc":"You can assign an EIP for your NAT gateway so that servers in a VPC can use this EIP to access the Internet.For details, see Assigning an EIP. After obtaining the EIP, yo",
"product_code":"nat",
"title":"Step 1: Assign an EIP",
"uri":"nat_qs_0002.html",
"doc_type":"usermanual",
"p_code":"12",
"code":"14"
},
{
"desc":"Create a public NAT gateway to enable your servers to access the Internet or provide services accessible from the Internet.The VPC and subnet where your public NAT gatewa",
"product_code":"nat",
"title":"Step 2: Create a Public NAT Gateway",
"uri":"nat_qs_0003.html",
"doc_type":"usermanual",
"p_code":"12",
"code":"15"
},
{
"desc":"After creating a public NAT gateway, add an SNAT rule to enable your servers in a specific subnet to access the Internet through the same EIP.One SNAT rule can be configu",
"product_code":"nat",
"title":"Step 3: Add an SNAT Rule",
"uri":"nat_qs_0004.html",
"doc_type":"usermanual",
"p_code":"12",
"code":"16"
},
{
"desc":"After adding an SNAT rule, you can perform the following steps to verify the connection:Verify that the SNAT rule has been added for the public NAT gateway.Verify that se",
"product_code":"nat",
"title":"Step 4: Test the Connection",
"uri":"nat_qs_0005.html",
"doc_type":"usermanual",
"p_code":"12",
"code":"17"
},
{
"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":"nat",
"title":"Allowing Internet Users to Access a Service in a Private Network Using DNAT",
"uri":"nat_qs_0006.html",
"doc_type":"usermanual",
"p_code":"11",
"code":"18"
},
{
"desc":"When one or more servers (ECSs and BMSs) in a VPC need to provide services accessible from the Internet, you can add DNAT rules.",
"product_code":"nat",
"title":"Overview",
"uri":"nat_qs_0007.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"19"
},
{
"desc":"You can buy an EIP for your NAT gateway so that servers in a VPC can use this EIP to provide services accessible from the Internet.For details, see Assigning an EIP. Afte",
"product_code":"nat",
"title":"Step 1: Assign an EIP",
"uri":"nat_qs_0008.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"20"
},
{
"desc":"Create a public NAT gateway to enable your servers to access the Internet or provide services accessible from the Internet.The VPC and subnet where your public NAT gatewa",
"product_code":"nat",
"title":"Step 2: Create a Public NAT Gateway",
"uri":"nat_qs_0009.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"21"
},
{
"desc":"After a public NAT gateway is created, add DNAT rules to allow servers in your VPC to provide services accessible from the Internet.You can configure a DNAT rule for each",
"product_code":"nat",
"title":"Step 3: Add a DNAT Rule",
"uri":"nat_qs_0010.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"22"
},
{
"desc":"After adding a DNAT rule, you can perform the following steps to verify the connection:Verify that the DNAT rule has been added for the public NAT gateway.Check whether E",
"product_code":"nat",
"title":"Step 4: Test the Connection",
"uri":"nat_qs_0011.html",
"doc_type":"usermanual",
"p_code":"18",
"code":"23"
},
{
"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":"nat",
"title":"Using Private NAT Gateways to Enable Communications Between Cloud and On-premises Networks",
"uri":"nat_qs_0019.html",
"doc_type":"usermanual",
"p_code":"11",
"code":"24"
},
{
"desc":"You can use a private NAT gateway to enable communications between cloud and on-premises networks.The following figure shows how a private NAT gateway enables ECSs in a V",
"product_code":"nat",
"title":"Overview",
"uri":"nat_qs_0020.html",
"doc_type":"usermanual",
"p_code":"24",
"code":"25"
},
{
"desc":"You need to create two VPCs, a service VPC with a service subnet and a transit VPC with a transit subnet.For details, see Creating a VPC.",
"product_code":"nat",
"title":"Step 1: Create a Service VPC and a Transit VPC",
"uri":"nat_qs_0021.html",
"doc_type":"usermanual",
"p_code":"24",
"code":"26"
},
{
"desc":"Create a Direct Connect connection to link your on-premises data center to the cloud.For details about how to use Direct Connect to connect your data center (the destinat",
"product_code":"nat",
"title":"Step 2: Create a Direct Connect Connection",
"uri":"nat_qs_0022.html",
"doc_type":"usermanual",
"p_code":"24",
"code":"27"
},
{
"desc":"To enable communications between your service VPC and a remote private network or VPC, create a private NAT gateway.You have determined the transit IP addresses to be use",
"product_code":"nat",
"title":"Step 3: Create a Private NAT Gateway",
"uri":"nat_qs_0023.html",
"doc_type":"usermanual",
"p_code":"24",
"code":"28"
},
{
"desc":"After the private NAT gateway is created, add an SNAT rule with a transit IP address. It enables the access to on-premises data centers or other VPCs (by using their priv",
"product_code":"nat",
"title":"Step 4: Add an SNAT Rule",
"uri":"nat_qs_0026.html",
"doc_type":"usermanual",
"p_code":"24",
"code":"29"
},
{
"desc":"After the private NAT gateway is configured, add a route in the route table of the service VPC to point to the private NAT gateway.Log in to the management console.Click ",
"product_code":"nat",
"title":"Step 5: Add a Route",
"uri":"nat_qs_0027.html",
"doc_type":"usermanual",
"p_code":"24",
"code":"30"
},
{
"desc":"Add an inbound security group rule to allow traffic to servers in the destination VPC.Log in to the management console.Click in the upper left corner and select the desi",
"product_code":"nat",
"title":"Step 6: Add a Security Group Rule",
"uri":"nat_qs_0040.html",
"doc_type":"usermanual",
"p_code":"24",
"code":"31"
},
{
"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":"nat",
"title":"Allowing On-Premises Servers to Communicate with the Internet",
"uri":"nat_qs_0012.html",
"doc_type":"usermanual",
"p_code":"11",
"code":"32"
},
{
"desc":"You need to first create a Direct Connect or VPN connection to connect your servers in the on-premises data center to the cloud. Then create public NAT gateways and confi",
"product_code":"nat",
"title":"Overview",
"uri":"nat_qs_0013.html",
"doc_type":"usermanual",
"p_code":"32",
"code":"33"
},
{
"desc":"Create a Direct Connect connection to link your on-premises data center to a VPC. Then deploy a public NAT gateway in the VPC to allow your on-premises servers to communi",
"product_code":"nat",
"title":"Step 1: Connect Your On-premises Data Center to the Cloud with Direct Connect",
"uri":"nat_qs_0014.html",
"doc_type":"usermanual",
"p_code":"32",
"code":"34"
},
{
"desc":"Buy an EIP for a NAT gateway to allow servers that are connected to the cloud using Direct Connect to communicate with the Internet.For details, see Assigning an EIP. Aft",
"product_code":"nat",
"title":"Step 2: Assign an EIP",
"uri":"nat_qs_0015.html",
"doc_type":"usermanual",
"p_code":"32",
"code":"35"
},
{
"desc":"Create a public NAT gateway.You have created the VPC and subnet required for creating a public NAT gateway.To allow traffic to pass through the public NAT gateway, a rout",
"product_code":"nat",
"title":"Step 3: Create a Public NAT Gateway",
"uri":"nat_qs_0016.html",
"doc_type":"usermanual",
"p_code":"32",
"code":"36"
},
{
"desc":"After a public NAT gateway is created, add SNAT rules for it. With SNAT rules, servers that are connected to a VPC using Direct Connect can access the Internet by sharing",
"product_code":"nat",
"title":"Step 4: Add an SNAT Rule",
"uri":"nat_qs_0017.html",
"doc_type":"usermanual",
"p_code":"32",
"code":"37"
},
{
"desc":"After a public NAT gateway is created, add DNAT rules to allow servers in your on-premises data center to provide services accessible from the Internet.You can configure ",
"product_code":"nat",
"title":"Step 5: Add a DNAT Rule",
"uri":"nat_qs_0018.html",
"doc_type":"usermanual",
"p_code":"32",
"code":"38"
},
{
"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":"nat",
"title":"Public NAT Gateways",
"uri":"nat_publicnat_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"39"
},
{
"desc":"Public NAT gateways provide network address translation (NAT) with 20 Gbit/s of bandwidth for servers in a VPC or for servers in on-premises data centers that connect to ",
"product_code":"nat",
"title":"Overview of Public NAT Gateways",
"uri":"nat_publicnat_0001.html",
"doc_type":"usermanual",
"p_code":"39",
"code":"40"
},
{
"desc":"Create a public NAT gateway to enable your servers to access the Internet or provide services accessible from the Internet.Rules on one public NAT gateway can use the sam",
"product_code":"nat",
"title":"Creating a Public NAT Gateway",
"uri":"en-us_topic_0150270259.html",
"doc_type":"usermanual",
"p_code":"39",
"code":"41"
},
{
"desc":"After a public NAT gateway is created, you can modify the name, specifications, or description of it. You can also delete public NAT gateways that are no longer needed to",
"product_code":"nat",
"title":"Managing Public NAT Gateways",
"uri":"nat_01_0001.html",
"doc_type":"usermanual",
"p_code":"39",
"code":"42"
},
{
"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":"nat",
"title":"Managing SNAT Rules",
"uri":"nat_snat_0000.html",
"doc_type":"usermanual",
"p_code":"39",
"code":"43"
},
{
"desc":"After a public NAT gateway is created, add an SNAT rule, so that servers in a VPC subnet or servers that are connected to a VPC through Direct Connect can access the Inte",
"product_code":"nat",
"title":"Adding an SNAT Rule",
"uri":"en-us_topic_0127489529.html",
"doc_type":"usermanual",
"p_code":"43",
"code":"44"
},
{
"desc":"After an SNAT rule is added, you can modify parameters in the SNAT rule as required.Note that modifying an SNAT rule may interrupt your services.An SNAT rule has been add",
"product_code":"nat",
"title":"Modifying an SNAT Rule",
"uri":"nat_snat_0002.html",
"doc_type":"usermanual",
"p_code":"43",
"code":"45"
},
{
"desc":"You can delete SNAT rules that are no longer needed.An SNAT rule has been added.Log in to the management console.Click in the upper left corner and select the desired re",
"product_code":"nat",
"title":"Deleting an SNAT Rule",
"uri":"nat_snat_0003.html",
"doc_type":"usermanual",
"p_code":"43",
"code":"46"
},
{
"desc":"After a public NAT gateway is created, add an SNAT rule, so that servers in a VPC subnet or servers that are connected to a VPC through Direct Connect can access the Inte",
"product_code":"nat",
"title":"Exporting SNAT Rules",
"uri":"nat_snat_0004.html",
"doc_type":"usermanual",
"p_code":"43",
"code":"47"
},
{
"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":"nat",
"title":"Managing DNAT Rules",
"uri":"nat_dnat_0000.html",
"doc_type":"usermanual",
"p_code":"39",
"code":"48"
},
{
"desc":"After a public NAT gateway is created, add DNAT rules to allow servers in your VPC to provide services accessible from the Internet.Only one DNAT rule can be configured f",
"product_code":"nat",
"title":"Adding a DNAT Rule",
"uri":"en-us_topic_0127489530.html",
"doc_type":"usermanual",
"p_code":"48",
"code":"49"
},
{
"desc":"After a DNAT rule is added, you can modify parameters in the DNAT rule as required.Note that modifying a DNAT rule may interrupt your services.A DNAT rule has been added.",
"product_code":"nat",
"title":"Modifying a DNAT Rule",
"uri":"nat_dnat_0002.html",
"doc_type":"usermanual",
"p_code":"48",
"code":"50"
},
{
"desc":"You can delete DNAT rules that are no longer needed.A DNAT rule has been added.Log in to the management console.Click in the upper left corner and select the desired reg",
"product_code":"nat",
"title":"Deleting a DNAT Rule",
"uri":"nat_dnat_0003.html",
"doc_type":"usermanual",
"p_code":"48",
"code":"51"
},
{
"desc":"Delete DNAT rules that you no longer need.DNAT rules have been added.Log in to the management console.Click in the upper left corner and select the desired region and pr",
"product_code":"nat",
"title":"Deleting DNAT Rules in Batches",
"uri":"nat_dnat_0004.html",
"doc_type":"usermanual",
"p_code":"48",
"code":"52"
},
{
"desc":"When adding DNAT rules in different environments or migrating DNAT rules between NAT gateways, you can import and export DNAT rules to simplify and accelerate the DNAT ru",
"product_code":"nat",
"title":"Importing DNAT Rules by Using a Template and Exporting DNAT Rules",
"uri":"nat_dnat_0005.html",
"doc_type":"usermanual",
"p_code":"48",
"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":"nat",
"title":"Private NAT Gateways",
"uri":"nat_privatenat_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"54"
},
{
"desc":"Private NAT gateways provide private address translation services for ECSs and BMSs in a VPC. You can configure SNAT and DNAT rules to translate the source and destinatio",
"product_code":"nat",
"title":"Overview of Private NAT Gateways",
"uri":"nat_privatenat_0001.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"55"
},
{
"desc":"You need a private NAT gateway to enable servers in your VPC to access or provide services accessible from on-premises data centers and other VPCs.Manually add routes in ",
"product_code":"nat",
"title":"Creating a Private NAT Gateway",
"uri":"nat_privatenat_0002.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"56"
},
{
"desc":"After a private NAT gateway is created, you can manage it in a unified manner, including modifying and deleting the private NAT gateway.Modify the name, specifications, o",
"product_code":"nat",
"title":"Managing Private NAT Gateways",
"uri":"nat_privatenat_0003.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"57"
},
{
"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":"nat",
"title":"Managing SNAT Rules",
"uri":"nat_privatesnat_0000.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"58"
},
{
"desc":"After the private NAT gateway is created, add an SNAT rule so that some or all servers in a VPC subnet can share a transit IP address to access on-premises data centers o",
"product_code":"nat",
"title":"Adding an SNAT Rule",
"uri":"nat_privatesnat_0001.html",
"doc_type":"usermanual",
"p_code":"58",
"code":"59"
},
{
"desc":"After an SNAT rule is added, you can modify parameters in the SNAT rule as required.Note that modifying an SNAT rule may interrupt your services.An SNAT rule has been add",
"product_code":"nat",
"title":"Modifying an SNAT Rule",
"uri":"nat_privatesnat_0003.html",
"doc_type":"usermanual",
"p_code":"58",
"code":"60"
},
{
"desc":"You can delete SNAT rules that are no longer needed.An SNAT rule has been added.Log in to the management console.Click in the upper left corner and select the desired re",
"product_code":"nat",
"title":"Deleting an SNAT Rule",
"uri":"nat_privatesnat_0004.html",
"doc_type":"usermanual",
"p_code":"58",
"code":"61"
},
{
"desc":"View details about an SNAT rule.An SNAT rule has been added.Log in to the management console.Click in the upper left corner and select the desired region and project.In ",
"product_code":"nat",
"title":"Viewing an SNAT Rule",
"uri":"nat_privatesnat_0002.html",
"doc_type":"usermanual",
"p_code":"58",
"code":"62"
},
{
"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":"nat",
"title":"Managing DNAT Rules",
"uri":"nat_privatednat_0000.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"63"
},
{
"desc":"After a private NAT gateway is created, you can add DNAT rules to allow servers in your VPC to provide services accessible from on-premises servers or other VPCs.A DNAT r",
"product_code":"nat",
"title":"Adding a DNAT Rule",
"uri":"nat_privatednat_0001.html",
"doc_type":"usermanual",
"p_code":"63",
"code":"64"
},
{
"desc":"After a DNAT rule is added, you can modify parameters in the DNAT rule as required.Note that modifying an SNAT rule may interrupt your services.A DNAT rule has been added",
"product_code":"nat",
"title":"Modifying a DNAT Rule",
"uri":"nat_privatednat_0003.html",
"doc_type":"usermanual",
"p_code":"63",
"code":"65"
},
{
"desc":"You can delete DNAT rules that are no longer needed.A DNAT rule has been added.Log in to the management console.Click in the upper left corner and select the desired reg",
"product_code":"nat",
"title":"Deleting a DNAT Rule",
"uri":"nat_privatednat_0004.html",
"doc_type":"usermanual",
"p_code":"63",
"code":"66"
},
{
"desc":"View details about a DNAT rule.A DNAT rule has been added.Log in to the management console.Click in the upper left corner and select the desired region and project.In th",
"product_code":"nat",
"title":"Viewing a DNAT Rule",
"uri":"nat_privatednat_0002.html",
"doc_type":"usermanual",
"p_code":"63",
"code":"67"
},
{
"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":"nat",
"title":"Managing Transit IP Addresses",
"uri":"nat_exip_0000.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"68"
},
{
"desc":"Servers in a VPC can use the same transit IP address to access or provide services accessible from on-premises data centers or other VPCs.A transit IP address can be mapp",
"product_code":"nat",
"title":"Assigning a Transit IP Address",
"uri":"nat_privatenatexsub_0001.html",
"doc_type":"usermanual",
"p_code":"68",
"code":"69"
},
{
"desc":"You can view details about the transit IP addresses assigned to you.Log in to the management console.Click in the upper left corner and select the desired region and pro",
"product_code":"nat",
"title":"Viewing a Transit IP Address",
"uri":"nat_exip_0002.html",
"doc_type":"usermanual",
"p_code":"68",
"code":"70"
},
{
"desc":"You can release a transit IP address that is no longer needed.Log in to the management console.Click in the upper left corner and select the desired region and project.I",
"product_code":"nat",
"title":"Releasing a Transit IP Address",
"uri":"nat_exip_0003.html",
"doc_type":"usermanual",
"p_code":"68",
"code":"71"
},
{
"desc":"You can use Direct Connect or VPN to connect the transit VPC to your on-premises data centers.For a higher quality connection, use Direct Connect. For details, see Direct",
"product_code":"nat",
"title":"Accessing On-Premises Data Centers or Other VPCs",
"uri":"nat_privatenat_0007.html",
"doc_type":"usermanual",
"p_code":"54",
"code":"72"
},
{
"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":"nat",
"title":"Permissions Management",
"uri":"nat_permission_0001.html",
"doc_type":"usermanual",
"p_code":"",
"code":"73"
},
{
"desc":"This section describes how to use IAM to implement fine-grained permissions control for your NAT Gateway resources. With IAM, you can:Create IAM users for employees based",
"product_code":"nat",
"title":"Creating a User and Granting NAT Gateway Permissions",
"uri":"nat_permission_0002.html",
"doc_type":"usermanual",
"p_code":"73",
"code":"74"
},
{
"desc":"You can create custom policies to supplement system-defined policies of NAT Gateway. For the actions that can be added to custom policies, see section \"Permissions Polici",
"product_code":"nat",
"title":"NAT Gateway Custom Policies",
"uri":"nat_permission_0003.html",
"doc_type":"usermanual",
"p_code":"73",
"code":"75"
},
{
"desc":"A NAT gateway tag identifies the NAT gateway. Tags can be added to NAT gateways to ease NAT gateway identification and administration. You can add a tag to a NAT gateway ",
"product_code":"nat",
"title":"Tag Management",
"uri":"nat_tag_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"76"
},
{
"desc":"Quotas are enforced for service resources on the platform to prevent unforeseen spikes in resource usage. Quotas can limit the number or amount of resources available to ",
"product_code":"nat",
"title":"Managing Quotas",
"uri":"nat_faq_0010.html",
"doc_type":"usermanual",
"p_code":"",
"code":"77"
},
{
"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":"nat",
"title":"Monitoring",
"uri":"nat_ces_0001.html",
"doc_type":"usermanual",
"p_code":"",
"code":"78"
},
{
"desc":"This section describes metrics reported by NAT Gateway to Cloud Eye as well as their namespaces, monitoring metrics, and dimensions. You can use the management console or",
"product_code":"nat",
"title":"Supported Metrics",
"uri":"nat_ces_0002.html",
"doc_type":"usermanual",
"p_code":"78",
"code":"79"
},
{
"desc":"You can set NAT gateway alarm rules to customize the monitored objects and notification policies. Then, you can learn NAT gateway running status in a timely manner.Log in",
"product_code":"nat",
"title":"Creating Alarm Rules",
"uri":"en-us_topic_0113772081.html",
"doc_type":"usermanual",
"p_code":"78",
"code":"80"
},
{
"desc":"The NAT gateway is running properly and SNAT rules have been created.It can take a period of time to obtain and transfer the monitoring data. Therefore, wait for a while ",
"product_code":"nat",
"title":"Viewing Metrics",
"uri":"nat_ces_0003.html",
"doc_type":"usermanual",
"p_code":"78",
"code":"81"
},
{
"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":"nat",
"title":"Auditing",
"uri":"nat_cts_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"82"
},
{
"desc":"You can use CTS to record operations on NAT Gateway for query, auditing, and backtracking.Table 1 lists public NAT gateway operations that can be recorded by CTS.Table 2 ",
"product_code":"nat",
"title":"Key Operations Recorded by CTS",
"uri":"nat_cts_0001.html",
"doc_type":"usermanual",
"p_code":"82",
"code":"83"
},
{
"desc":"CTS records the operations performed on NAT Gateway and allows you to view the operation records of the last seven days on the CTS console. This topic describes how to qu",
"product_code":"nat",
"title":"Viewing Traces",
"uri":"nat_cts_0002.html",
"doc_type":"usermanual",
"p_code":"82",
"code":"84"
},
{
"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":"nat",
"title":"FAQs",
"uri":"nat_faq_0000.html",
"doc_type":"usermanual",
"p_code":"",
"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":"nat",
"title":"Public NAT Gateways",
"uri":"nat_faq_0100.html",
"doc_type":"usermanual",
"p_code":"85",
"code":"86"
},
{
"desc":"A VPC is a secure, isolated, logical network environment.A public NAT gateway enables ECSs in a VPC to access the Internet.EIP is a service that provides valid static IP ",
"product_code":"nat",
"title":"What Is the Relationship Between a VPC, Public NAT Gateway, EIP Bandwidth, and ECS?",
"uri":"nat_faq_0003.html",
"doc_type":"usermanual",
"p_code":"86",
"code":"87"
},
{
"desc":"The backend of a public NAT gateway supports automatic disaster recovery through hot standby, thereby reducing risks and improving availability.",
"product_code":"nat",
"title":"How Does a Public NAT Gateway Offer High Availability?",
"uri":"nat_faq_0004.html",
"doc_type":"usermanual",
"p_code":"86",
"code":"88"
},
{
"desc":"Public NAT gateways support both SNAT and DNAT and allow multiple ECSs to share EIPs.An EIP bound to an ECS cannot be used by any other ECSs.If both SNAT and EIP are conf",
"product_code":"nat",
"title":"What Are the Differences Between Using a Public NAT Gateway and Using an EIP for an ECS?",
"uri":"nat_faq_0013.html",
"doc_type":"usermanual",
"p_code":"86",
"code":"89"
},
{
"desc":"You have created a NAT gateway and added SNAT and DNAT rules, but your servers cannot access the Internet or provide services accessible from the Internet. Whether the ne",
"product_code":"nat",
"title":"What Can I Do If Connection Between My Servers and the Internet Fails After I Add SNAT and DNAT Rules?",
"uri":"nat_faq_0021.html",
"doc_type":"usermanual",
"p_code":"86",
"code":"90"
},
{
"desc":"If the number of lost packets exceeds the upper limit (that is, the number of allocated EIP ports exceeds the upper limit) when the public NAT gateway is in use, the EIP ",
"product_code":"",
"title":"What Can I Do If the Number of Lost Packets of a Public NAT Gateway Exceeds the Threshold (or EIP Port Allocation Exceeds the Threshold)?",
"uri":"nat_faq_0025.html",
"doc_type":"",
"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":"nat",
"title":"SNAT Rules",
"uri":"nat_faq_0200.html",
"doc_type":"usermanual",
"p_code":"85",
"code":"92"
},
{
"desc":"Public NAT gateways: Besides requiring services provided by the system, some ECSs also need to access the Internet to obtain information or download software. However, as",
"product_code":"nat",
"title":"Why Do I Need SNAT?",
"uri":"nat_faq_001.html",
"doc_type":"usermanual",
"p_code":"92",
"code":"93"
},
{
"desc":"The number of SNAT connections is the number of active connections created by a NAT gateway when it performs SNAT. An SNAT connection consists of a source IP address, sou",
"product_code":"nat",
"title":"What Are SNAT Connections?",
"uri":"nat_faq_0002.html",
"doc_type":"usermanual",
"p_code":"92",
"code":"94"
},
{
"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":"nat",
"title":"DNAT Rules",
"uri":"nat_faq_0300.html",
"doc_type":"usermanual",
"p_code":"85",
"code":"95"
},
{
"desc":"In a public NAT gateway, DNAT enables servers in a VPC to share an EIP to provide services accessible from the Internet through IP address mapping or port mapping. For de",
"product_code":"nat",
"title":"Why Do I Need DNAT?",
"uri":"nat_faq_0006.html",
"doc_type":"usermanual",
"p_code":"95",
"code":"96"
},
{
"desc":"You can modify DNAT rules. For both public and private NAT gateways, DNAT rules can be modified.",
"product_code":"nat",
"title":"Can I Modify DNAT Rules?",
"uri":"nat_faq_0007.html",
"doc_type":"usermanual",
"p_code":"95",
"code":"97"
},
{
"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":"nat",
"title":"Change History",
"uri":"nat_his_0001.html",
"doc_type":"usermanual",
"p_code":"",
"code":"98"
},
{
"desc":"For details about the terms involved in this document, see Glossary.",
"product_code":"nat",
"title":"Glossary",
"uri":"nat_gls_0000.html",
"doc_type":"usermanual",
"p_code":"",
"code":"99"
}
]
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