Amazon AWS Nat Instance and NAT gateway
The NAT Instance
- Install the NAT instance from Community AMI
- When creating a NAT instance , make sure Disable source/destination check
- Nat Instance must be in public subnet
- There must be route out of private subnet and pointed to NAT instance
- You Need to have a Security group for NAT instance
- The amount of traffic that NAT instance supports depends on the instance size
NAT Gateways
- It is New ,
- Preferred by Enterprise
- Scale automatically up to 10Gbps
- No need to patch ( Amazon will take care of it)
- No need to have a security group
- Automatically assigned a public Ip address
- Remember to update your Route table
- No Need to disable Source/Destination checks
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