Siemens PROFINET CP 343-1 Manual page 8

Table of contents
6.6 IP configuration ........................................................................................................................... 46
6.6.1 Detection of double IP addressing in the network ...................................................................... 46
6.6.2 Obtain IP address vie DHCP: CP STOP on expiry of the lease ................................................. 46
6.6.3 Configured S7 connections cannot be operated if the IP address is assigned over DHCP ....... 47
6.6.4 IP access protection using the IP access control list with a PROFINET IO device .................... 47
6.7 Media redundancy....................................................................................................................... 47
6.8 Timeofday synchronization ......................................................................................................... 47
6.9 SNMP agent................................................................................................................................ 48
6.10 Possible security gaps on standard IT interfaces: preventing unauthorized access .................. 50
6.11 Programmed communication connections.................................................................................. 51
6.11.1 Programmed communication connections with FB55 IP_CONFIG ............................................ 51
6.11.2 Programmed communications connections - assigning parameters to the ports ....................... 51
6.11.3 IP access protection with programmed communication connections ......................................... 51
6.12 Permitted length of ICMP packets .............................................................................................. 52
7 Service and maintenance ........................................................................................................................ 53
7.1 Memory reset / reset to factory defaults...................................................................................... 53
7.2 Memory reset - ACL .................................................................................................................... 54
7.3 Loading new firmware ................................................................................................................. 54
7.4 Replacing a module .................................................................................................................... 55
7.4.1 Replacing older modules............................................................................................................. 55
7.4.2 Module replacement / upgrading ................................................................................................ 56
7.4.3 Replacing a module without a programming device ................................................................... 59
8 Technical specifications ........................................................................................................................... 61
A Approvals................................................................................................................................................. 63
B References .............................................................................................................................................. 67
Index........................................................................................................................................................ 75
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Manual, 10/2012, C79000−G8976−C201-07
CP 343-1