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UCS 2.4 - Univention

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15 <strong>Univention</strong> System Setup<br />

15.<strong>2.4</strong> Network settings<br />

univention-system-setup-net is a comfortable means for changing the network settings of a com-<br />

puter. Up to four physical network adapters can be configured with static as well as dynamical address<br />

allocation.<br />

Figure 15.5: Network settings in <strong>Univention</strong> System Setup<br />

With static configuration, apart from the IP addresses there are also the routing-relevant settings for the<br />

net mask, broadcast address, and network address to be made. For this purpose, standard values are<br />

proposed based on the IP address, in order to simplify configuration.<br />

The allocation of the IP address can also be achieved dynamically via the Dynamic Host Configuration<br />

Protocol (DHCP). DC Master, DC Backup, DC Slave, and member server can be operated by static<br />

addressing exclusively.<br />

The standard gateway can also be configured. DC Master should be configured as a name server (it is<br />

possible to register multiple hosts), further servers for DNS lookups can be configured as DNS forwarders<br />

(e. g. the DNS server of the internet service provider).<br />

Furthermore, access via a web proxy can be set.<br />

Changes in computer properties are adopted in the LDAP and in <strong>Univention</strong> Configuration Registry and<br />

become valid immediately. This also concerns changes in the routing properties, a fact which is to be<br />

taken into consideration for remote access.<br />

The change of an IP address of a DC master cannot be replicated in all replication scenarios; other<br />

systems in the domain are usually required to rejoin the domain using univention-join.<br />

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