Siemens SIMATIC NET CP 343-1 Manuel D’Utilisation
9 Further Notes on Operation
B3L−52
CP 343-1 Lean for Industrial Ethernet / Manual Part B3L
Release 03/2007
C79000-G8976-C198-04
9.8
Restart after Detection of a Duplicate IP Address in the
Network
Network
To save you time-consuming troubleshooting in the network, the CP detects double
addressing in the network.
addressing in the network.
When you eliminate the cause by removing the device with the same IP address or
changing its address, you must then restart the CP.
changing its address, you must then restart the CP.
9.9
Obtaining the IP Address over DHCP − CP STOP on
Expiry of the Lease
Expiry of the Lease
If you have configured “Obtain IP address from a DHCP server”, when the CP
starts up, it is assigned a valid IP address by the DHCP server for a restricted time
(period of the lease).
starts up, it is assigned a valid IP address by the DHCP server for a restricted time
(period of the lease).
When the lease expires the reaction of the CP is as follows:
The CP changes to STOP and loses the previously assigned IP address if the
DHCP server does not assign a new IP address on expiry of the lease. All
communication connections are terminated.
DHCP server does not assign a new IP address on expiry of the lease. All
communication connections are terminated.
9.10
Other information available about the CP
FAQ
You will find detailed information (FAQs) on using the CP described here on the
Internet under the following entry number:
Internet under the following entry number:
> “FAQ” tab
GSDML file
You will find the GSDML file for the CP described here on the Internet under the
following entry ID:
following entry ID: