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Limitations

<p>This article describes the limitations of NAT gateway.</p> <p>&bull;&nbsp;NAT gateway can be created in all regions other than East China.</p> <p>&bull;&nbsp;You can configure only one NAT gateway for each VPC.</p> <p>&bull; If you want to use NAT gateway service normally, create a minimum of one bandwidth package and a minimum of one NAT rule.</p> <p>&bull; You can configure a maximum of 40 SNAT rules and 50 DNAT rules for 1 NAT gateway. If you want to configure more rules, submit a ticket to apply for them.</p> <p>&bull;&nbsp;One public IP address cannot be used in SNAT and DNAT at the same time.</p> <p>&bull;&nbsp;&nbsp;If one ECS instance has both SNAT rules and DNAT rules, the DNAT rules would be given priority.</p> <p>&bull;&nbsp;You can apply a maximum of five bandwidth packages for each NAT gateway, and a maximum of five public IP addresses for each bandwidth package.</p> <p>&bull;&nbsp;The maximum bandwidth is 200 Mbps. If you want to purchase bandwidth package of more than 200 Mbps, submit a ticket to apply for it.</p>
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