EasyIO FW Series – Network Connectivity v2.0
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A rule of thumb is that DO NOT create more than 9 tiers of ethernet LAN connection vertically.
Diagram below shows an ethernet LAN connection.
On the left side, there are 2 ethernet connection to the wireless router.
Each connection has up to 9 tiers FW.
Same for the right side of the diagram where it is connected to a network switch.
The connection has up to 9 tiers of FW.