Configuration | Gateway 400
User Guide
25
5.4.3
DNS Relay
A DNS (Domain Name Server) is required to resolve IP addresses. For example, the DNS server would
resolve google.com into 173.194.70.101 for IPv4 and into 2a00:1450:4005:800::1013 for IPv6. This
screen dialog allows you to set up your preferred DNS servers and configure how DNS requests are
handled.
DNS Relay
:
default setting: enabled. The Gateway 400 acts as a DNS relay.
If this option is disabled, the DNS relay is inactive. In this case, a DNS server must be
entered manually at each terminal device.
DNS Cache
:
Can only be enabled if
DNS Relay
has also been enabled. In this case, the Gateway
400 caches the DNS responses and uses them to respond to further requests by the
same (or any other) network device without querying the DNS again.
Activate User-Defined DNS Server
: This setting is only required if you do not want to use the default
settings of your Internet service provider. If required, enter the IP address of the
DNS server. The
DNS Server 1
and
DNS Server 2
replace the
Primary DNS
and the
Secondary DNS
from the Internet settings, respectively.
5.4.4
Static Routing
Here you can enter static routes for networks, which can be accessed via the WAN interface. Con-
nections to the LAN interfaces are configured under
Network
|
LAN
|
Static Routing
(
“Static Routing”
on page 32
).
Click
New
to open a screen dialog with the following settings:
Name
:
Any name for the route.
Address Type
: IPv4 or IPv6, depending on the address range of the external network.
Destination Network
: Address range of the network devices to be reached.
Gateway
:
Address of the router to the destination network.
Interface
:
Selection depends on the configured DSL or WAN interface.
Click
Save
to save the data of the route.
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