ETIC SIG, User Manual, Page: 69 / 83

CONFIGURATION
SIG Router & VPN server User’s guide ref. 9017409-01
Page 69
15.4 Configuring the DNS server
For domain names resolution, the SIG can behave like a domain name
server or a domain name relay.
DNS server :
A domain name server is a networking device which is able to associate a
label (etictelecom.com for instance) with an IP address.
That function allows a client device to send a request to a network
equipment referring to a domain name as if it was the actual IP address of
the destination device.
The SIG router is able to resolve any domain name composed with the
name of one of the devices entered in the devices list followed the site
name which is entered at the top of the devices list.
DNS relay :
The SIG router behaves also like a DNS relay; any DNS request it
receives from the LAN, which cannot be resolved because the device is
not registered in the devices list, will be transferred to the internet to be
resolved.
That function can be carried out only if the SIG IP address is pointed out
as the main DNS server of the devices of the LAN.
That function is efficient in particular when a device connected to the LAN
has to send emails through the Internet.