Permitted Length Of Icmp Packets - Siemens PROFINET CP 343-1 Manual

Notes on configuration and operation

6.12 Permitted length of ICMP packets

How to configure IP access protection is described in the general part of this manual /1/
(Page 68).
6.12 Permitted length of ICMP packets
Permitted length of ICMP packets
Pings with a packet size of more than 1000 bytes are evaluated as an attack and filtered by
the CP. This response is intentional and improves the robustness of the CP in an industrial
environment.
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Manual, 10/2012, C79000−G8976−C201-07
CP 343-1