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Session Handling
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Tip
The problem with this method is that all traffic from the subnet is NAT, even if to another subnet on
the same FireBrick, and this is often not the case. This can be useful in very simple configurations
where the FireBrick only has the one private subnet, but in most cases it is better to set NAT on a
PPPoE or dongle interface and not use the NAT setting on the subnet configuration.