More services
466
12.1
Automatic IP address administration with
BAT54-Rail/F..
Release
7.54
06/08
D network mask
D broadcast address
D standard gateway
D DNS server
D NBNS server
D period of validity for the parameters assigned
The DHCP server takes the IP addresses either from a freely defined ad-
dress pool or determines the addresses automatically from its own IP ad-
dress (or intranet address).
In DHCP mode, a completely unconfigured device can even automatically
assign IP addresses to itself and the computers in the network.
In the simplest case, all that is required is to connect the new device to a net-
work without other DHCP servers and switch it on. The DHCP server then in-
teracts with LANconfig using a wizard and handles all of the address
assignments in the local network itself.
12.1.2 DHCP—'on', 'off', 'auto', 'client' or
'forwarding'?
The DHCP server can be set to five different states:
D 'on': The DHCP server is permanently active. The configuration of the
server (validity of the address pool) is checked when this value is entered.
D When correctly configured, the device will be available to the network
as a DHCP server.
D In the event of an incorrect configuration (e.g. invalid pool limits), the
DHCP server is disabled and switches to the 'off' state.
Note: Only use this setting if assured, that no further DHCP server is active
in the LAN.
D 'off': The DHCP server is permanently disabled.
D 'auto': In this mode, after switching it on, the device automatically looks for
other DHCP servers within the local network. This search can be recog-
nized by the LAN-Rx/Tx LED flashing.
D If at least on other DHCP server is found, the device switches it’s own
DHCP server off, changes to the DHCP client mode, and obtains the
IP address from the DHCP server in the LAN. This prevents the uncon-
figured device from assigning addresses not in the local network when
switched on.
To Next Page
Loading...
Need help?
General
