We migrated from Cisco ASAs to PAN-3020 devices and I'm curious whether a feature from my ASAs exists in the PAN world. On our ASAs, we could create a pool of dynamic NAT addresses that would be matched 1-for-1 with inside hosts going to the Internet (we own a large block of public IPs, so we can do this). On the ASAs, once the dynamic NAT pool was exhausted, there was a single PAT address that would handle any subsequent inside-to-outside translations with a single public IP once the dynamic pool of public IPs was exhausted. I'm curious whether it's possible to set up this same kind of "spillover" PAT address and only have it be used once the public IPs in our dynamic NAT pool are exhausted.
So, for example:
Pool: 188.8.131.52 through 184.108.40.206 <== Inside IPs would be NAT'd 1-for-1 until all 250 addresses in the pool are exhausted
PAT 220.127.116.11 <== the 251st and subsequent inside IPs get translated to this single public IP address
Any suggestions on whether there's a way to create a NAT pool with a spillover PAT address?
Thanks in advance,
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