Vlan Tagging - Gigaset de310 ip pro Instruction Manual

Configuring settings for the local network
Prefix Length
The prefix length stipulates how many bits of the IP address are used for the network
prefix. Enter the prefix length that is used in your network.
Pref. DNS Server:
Enter the IP address for the preferred DNS server. DNS (Domain Name System) allows
you to assign public IP addresses to symbolic names. The DNS server is required to con-
vert the DNS name into the IP address when a connection is being established to a
server.
You can specify the IP address for your router/gateway here. This forwards address
requests from the phone to its DNS server.
There is no default setting for a DNS server.
Altern. DNS Server:
Enter the IP address for the alternate DNS server that should be used in situations
where the preferred DNS server cannot be reached.
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Once all the settings are complete, press the display key
tion settings.

VLAN tagging

A local network can be divided into logical subnetworks, so-called VLANs (Virtual Local
Area Network, standard IEEE 802.1Q). Multiple VLANs share a physical network and its
components, e.g., switches. Data packets of a VLAN are not forwarded to another VLAN.
VLANs are often used to separate the data traffic of different services (Internet telephony,
Internet TV, ...) and to define different priorities for the data traffic.
You can operate your phone and a PC connected to your phone's PC port in two different
VLANs. You enter the VLAN identifiers (VLAN tag) here, which you get from your network
operator.
Warning
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If you operate the PC and the phone in different VLANs, you can no longer access
the phone's Web configurator directly from the PC.
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If you enter an incorrect value here, you must reset the phone to its default settings
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( page
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Settings
62
57). After this you must re-establish phone access to the local network.
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Local Network
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to save the configura-