LANCOM Reference Manual LCOS 3.50 Chapter 13: Server services for the LAN
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Server services for the LAN
13 Server services for the LAN
An LANCOM offers a number of services for the PCs in the LAN. These are cen-
tral functions that can be used by workstation computers. They are in partic-
ular:
Automatic address administration with DHCP
Name management of computers and networks with DNS
Logging of network traffic with SYSLOG
Recording of charges
Office communications functions with LANCAPI
Time server

13.1 Automatic IP address administration with DHCP

In order to operate smoothly in a TCP/IP network, all the devices in a local net-
work must have unique IP addresses.
They also need the addresses of DNS-servers and NBNS-servers as well as that
of a default gateway through which the data packets are to be routed from
addresses that are not available locally.
In a smaller network, it is still conceivable that these addresses could be
entered manually in all the computers in the network. In a larger network with
many workstation computers, however, this would simply be too enormous of
a task.
In such situations, the DHCP (Dynamic Host Configuration Protocol) is the
ideal solution. Using this protocol, a DHCP server in a TCP/IP-based LAN can
dynamically assign the necessary addresses to the individual stations.

13.1.1 The DHCP server

As a DHCP server, the LANCOM can administer the IP addresses in its TCP/IP
network. In doing so, it passes the following parameters to the workstation
computers:
IP-address
network mask
broadcast address
standard gateway
DNS server
NBNS server