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NAT Gateway

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Public NAT Gateway Billing Overview
Private NAT Gateway Operation Guide
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Getting Started
Public NAT Gateway Operation Guide
Modifying NAT Gateway Configuration
Managing EIPs of NAT Gateway
Routing to NAT Gateway
Managing SNAT Rules
Managing Port Forwarding Rules
Public NAT Usage Limits
NAT Gateway Flow Logs
Binding with Anti-DDoS Pro
Monitoring and Alarms
Deleting NAT Gateway
Adjusting the Priorities of NAT Gateways and EIPs
Private NAT Gateway Operation Guide
Creating and Managing a NAT Gateway
Configuring a Route to Private NAT Gateway
Managing SNAT Rules
Managing DNAT Rules
Cloud Access Management
Practical Tutorial
Enabling Cross-VPC Access to Public Network via Standard NAT Gateway
Enabling Mutual Access between a Specified VPC Subnet and Public Network Resources via Private NAT Gateway
Enabling Secure Mutual Access with Public Network via Public CLB and NAT Gateway
Adjusting the Priorities of NAT Gateways and EIPs
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Glossary
ドキュメントNAT GatewayPublic NAT Gateway Operation GuideNAT Gateway Flow Logs

NAT Gateway Flow Logs

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最終更新日: 2025-02-12 10:51:06
NAT Gateway provides the flow log collection feature to collect and analyze NAT Gateway traffic and generate logs and analysis charts. This helps you stay informed of cross-region communication and quickly locate and solve problems based on the logs, thus improving the business availability and Ops efficiency.
Note:
The flow log feature is in beta test. To try it out, submit a ticket for application.
The Flow Log service is free of charge, but the data stored in CLS will be charged at the standard prices of CLS.
The flow log data is stored in CLS. Make sure that you have granted the Flow Log service permissions to access CLS before querying log data in CLS.

Directions

1. Log in to the VPC console and select Flow Logs > Log List in the left sidebar.
2. Select the region in the top-left corner of the Flow Logs page and click +Create.
3. Configure the following parameters in the Create flow log window.
Field
Description
Name
The name of the flow log.
Collection range
Select “NAT Gateway”.
NAT gateway
The information about the NAT gateway.
Collection type
Specify the type of traffic to be collected by the flow log: All traffic, or the traffic rejected or accepted by security groups or ACL.
Logset
Specify the storage location in CLS for flow logs. If you already have a logset, select it directly; otherwise, keep Created by system selected, so that the system will create one for you. You can also click Create to create one in the CLS console.
Log topic
Specify the minimum dimension of log storage, which is used to distinguish between different types of logs, such as `Accept` log. If you already have a log topic, select it directly; otherwise, keep **Created by system** selected, so that the system will create one for you. You can also go to the CLS console to create one.
Note:
For more information on how to configure a logset, log topic, and index, see Creating Logsets and Log Topics.
Tag key
Click Advanced options to enter or select a tag key for the identification and management of the flow log.
Tag value
Click Advanced options to enter or select a tag value. It can also be left empty.
4. Click OK.
Note:
You can view the record of a newly created flow log in CLS after six minutes upon the creation (one minute for the capture window and five minutes for data publishing).
5. After about six minutes, click Storage location or View to enter the Search and analysis page of the CLS service, select the region and time period for which to view logs, and click Search and analyze to view the logs.
Note:
For fields description, see Flow Log Record. For log analysis, see Quick Analysis.
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