Pfsense or Opnsense Moderate NAT for multiple PS4's

Hey guys,

I was curious how to achieve moderate NAT for multiple PS4's on Pfsense or Opnsense.

I have successfully managed to connect via PPPOE WAN to the Chorus ONT, everything works well.

Upnp is enabled, but it seems only one PS4 can get Moderate NAT.

I noticed on the Spark Huawei Modems I am able to get moderate NAT on multiple PS4s (WIRED or Wireless).

-- How do they achieve this , anyway to configure this on Opnsense?

Tests:

Huawei HG659b

Two PS4s WIRED - moderate NAT

1 PS4 Wired, 2 PS4 Wireless - moderate NAT

Pfsense / Opnsense

Two PS4s WIRED - 1 strict NAT, 2 moderate NAT

1 PS4 Wired - moderate NAT, 2 PS4 Wireless - strict NAT

Thanks!