Siemens CP 1515 - Manual (Page 231)

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Industrial Ethernet Wireless LAN RLM Manager, CP 1515 Manager
C79000-G8976-C171-01
231
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When powered-up for the very first time, the Access Point RLM will
broadcast a request for an IP address. If your network includes a BOOTP or
DHCP server, this server will automatically assign an available IP address to
the Access Point RLM.
Subject to the settings of your BOOTP or DHCP services, you may need to
introduce the Radio Link Module MAC address to the BOOTP or DHCP
server. Consult the documentation of your BOOTP/DHCP software for more
information.
An IP address that is assigned by a DHCP server will be stored in the volatile
memory of the Access Point RLM: i.e. if the RLM is reset, the DHCP server
may assign another IP address. To obtain consistency in the IP address, it is
advised to assign a permanent IP address to the Radio Link Module, using
the
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tab.
An IP address that is assigned by a BOOTP server is stored in the
configuration file of the BOOTP server. This configuration file has a one-to-
one (static/fixed) mapping from MAC address to IP address. If a BOOTP
server is used and the Radio Link Module is reset, the IP address of the
Access Point RLM is the same as before the reset.