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petermatuska
Explorer

Hide NAT on virtual IP - 1550

Hi ,

I have a problem with PAT - Hide NAT on 1550, R80.20.02

I have couple of internal subnets /24 and a public /29 subnet on an outside interface. I have ticked Hide nat for outgoing traffic and all is fine. Internet works. The problem is when I want to hide one of the internal /24 subnet behind a public IP which is not configured on the interface but is within the public subnet.

I setup the NAT rule where original source is desired /24 subnet and translated source is specific public IP. Hide multiple sources... and Server as an arp proxy... are ticked. The problem is that returning traffic is not seen on FW. I see on a destination server that the ping arrives with correct public IP and the reply is sent back, but thats all.

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4 Replies
PhoneBoy
Admin
Admin

Believe this might be a bug and should be worked with the TAC.
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G_W_Albrecht
Legend
Legend

I would first update firmware to 

  R80.20.05 (992001174)
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petermatuska
Explorer

Hi,
I havent tried upgrade yet (fw is in production now), but
this helped: https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solut...

Once the R80.20.05 (992001174) is suggested version, I will upgrade it.
thank you
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weimin
Ambassador
Ambassador

How about this problem ? I  happened the same issue.

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