System configuration via dhcp, 6 system configuration via dhcp – Pilz PSSnet SHL 8T MRP User Manual
Page 45

Entering the IP Parameters
46
2.6 System Configuration via DHCP
PSSnet SHL - Basic Configuration
Pilz GmbH & Co. KG, Felix- Wankel Str. 2, 73760 Ostfildern
2.6 System Configuration via
DHCP
The DHCP (dynamic host configuration protocol) responds similarly to the
BOOTP and additionally offers the configuration of a DHCP client via a name
instead of via the MAC address.
For the DHCP, this name is known as the “client identifier” in accordance with
rfc 2131.
The device uses the name entered under sysName in the system group of
the MIB II as the client identifier. You can enter this system name directly via
SNMP, the Web-based management (see system dialog), or the Command
Line Interface.
During startup operation, a device receives its configuration data according
to the “DHCP process” flowchart
(see fig.
13)
.
The device sends its system name to the DHCP server. The DHCP server
can then use the system name to allocate an IP address as an alternative to
the MAC address.
In addition to the IP address, the DHCP server sends
– the tftp server name (if available),
– the name of the configuration file (if available).
The device accepts this data as configuration parameters
(see on page
50
„Web-based IP configuration“)
.
If an IP address was assigned by a DHCP server, it will be permanently
saved locally.