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andersoncatao
andersoncatao
New Member
June 11, 2021
Question

Fortigate 300D - NAT SENDING Fortigate own IP

  • June 11, 2021
  • 1 reply
  • 2579 views

Hello,

 

I'm really new with Fortigate, and I'm facing an issue that my NAT configuration is sending Fortigate own IP on source address instead of the real public address of the request.

 

How can I configure Fortigate to send instead of its own IP the real address source IP ?

 

Thanks !

1 reply

andersoncatao
andersoncataoAuthor
New Member
June 11, 2021

I just found the problem tht was the option "Enable NAT"

ede_pfau
SuperUser
ede_pfau
SuperUser
June 12, 2021

Glad you found it.

 

Enabling "NAT" in a policy enables source address translation. If you just check "NAT", the address of the outbound interface is used. You can define your own address (in 'IP pools') and use that instead.

 

This is not to be confused with destination address translation, which in FortiOS is created with VIPs. Here, you always specify the address which will be used instead of the original destination address.

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