WALL IE, Industrial Ethernet Bridge and Firewall | Version 1 | 15.05.2017
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This solution can only be used in the Basic NAT operating mode. In the case of NAPT with port
forwarding, only one CPU can be reached, as the Simatic Manager/ TIA portal always accesses the CPU
with the non-adjustable port 102.
The search via the Siemens function "Accessible nodes" doesn't function through the WALL IE firewall.