We need to build a site to site tunnel between on premise and Azure cloud so we are planning to use Palo Alto firewall in Azure, since we have a requirement to hide VNET subnet in cloud as well as in on premise subnets from each other while sending traffic between them, can we configure Port address translation.
Thank you for posting question @rkbalaguru
This requirement should be achievable by placing an interface facing Azure VNET and Tunnel interface to different zones and then configuring NAT policy using respective zones and interfaces. With regards to NAT, you can configure Translation Type: static IP, subnet to subnet (For example /24 on one side gets translated to different /24 subnet on the other side) or Translation Type: Dynamic IP And Port.
Thank you for reply @rkbalaguru and sorry for getting back to you with delay.
Based on how I interpret your requirement, I would configure following 2 NAT policies. This would be private subnet to private subnet translation between Azure and Onpremise.
An alternative would be a Dynamic NAT + PAT to interface:
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