Wednesday, June 30, 2021

How many IP addresses do I need in my NAT pool?

I'm standing up a network for a temporary event. We expect that we'll have a max of ~15k clients (90% smartphones) connected concurrently. I have been assigned a /27 from the ISP and am trying to determine how many IP addresses I need to devote to NAT. Are there any best practices as to how many clients you can NAT behind a single public IP?



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