33 lines
1012 B
Markdown
33 lines
1012 B
Markdown
### Configure NAT instance Example
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In the Virtual Private Cloud（VPC） environment, to enable multiple back-end intranet hosts to provide services externally with a limited number of EIPs, map the ports on the EIP-bound host to the back-end intranet hosts.
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### Get up and running
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* Planning phase
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terraform plan
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* Apply phase
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terraform apply
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Get the outputs:
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+ nat_instance_eip_address = 123.56.19.238
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+ nat_instance_private_ip = 10.1.1.57
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+ worker_instance_private_ip = 10.1.1.56
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* Apply phase
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+ login the vm: ssh root@123.56.19.238|Test123456
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+ Run the "iptables -t nat -nvL" command to check the result
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| prot | in | source | destination | |
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| ---- | -- | ----------- | -------------- | ------------------------ |
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| tcp | * | 0.0.0.0/0 | 10.1.1.57 | tcp dpt:80 to:10.1.1.56
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| all | * | 10.1.1.0/24 | 0.0.0.0/0 | to:10.1.1.57
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* Destroy
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terraform destroy |