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Go Back   CPUG: The Check Point User Group > Check Point Firewall-1/VPN-1 And Related Products > NAT (Network Address Translation)
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Old 2008-02-28
mheldens mheldens is offline
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Default VPN S2S Same IP-SUBNETS vs NAT

Hi,

I have a question about a site 2 site VPN tunnel VS NAT.

We must connect our LAN (192.168.100.0 /24) to a company which we bought. It is possible that this site has the same IP subnet (192.168.100.0 /24) but we can't change that network-IP.

[LAN A 191.168.100.0 /24]----[CP R61 FW]----@INTERNET@-----[FW X]-----[LAN B 192.168.100.0 /24]

We want to connect to LAN B from LAN A through NAT use the subnet 172.16.1.0 /24 (for example), and vice versa.

Is there a way we can resolve this in our CP. Or do we have to resolve this remote?
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Old 2008-02-28
mcnallym mcnallym is offline
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Default Re: VPN S2S Same IP-SUBNETS vs NAT

There is a document on the Check Point website that covers building a Site to Site VPN with overlapping IP ranges.

https://supportcenter.checkpoint.com...&product=VPN-1

Is link to knowledgebase article.
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Old 2008-02-28
mheldens mheldens is offline
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Default Re: VPN S2S Same IP-SUBNETS vs NAT

Thanks this sounds just like the white paper i need. But i can't get the file.
I get Insufficient Rights.
Do i need to be a CCSA to get this file?

Can someone mail me this file?
maartenheldens (at) gmail (dot) com

Thank in Advance

Maarten Heldens
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Old 2008-03-18
mheldens mheldens is offline
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Default Re: VPN S2S Same IP-SUBNETS vs NAT

Hello,

I contacted the Distributor in our country with the question if they can provide the white paper. But they also get Insufficient Rights.

Is there someone who van mail me the white paper please. It will help me and my company a lot!! maartenheldens (at) gemail (dot) com

Thanks in advance!

Maarten
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