Draytek vigor3900 User Manual page 112

Alias Setting
3. After finished the settings on the Basic page, click the Detail Tab to open the following
dialog.
Available parameters are listed as follows:
Item
DNS Parameter
– click the icon to remove the selected entry.
The purpose of such setting is to specify a WAN IP address
from the WAN interface or by typing it manually to respond
DNS query.
Add – Click it to add a new IP address.
Save – Click it to save the settings.
Alias From Wan Interface – The alias IP setting can be
specified from existed WAN IP alias.
Alias From Manual Input – The alias IP setting can be
specified manually. The Alias Interface is not necessary for
such method.
Alias Interface –Use the drop down list to choose a WAN
interface profile for the alias IP setting.
Alias – Use the drop down list to choose an alias IP setting
(for Alias From Wan Interface) or type an IP address
manually (for Alias From Manual Input).
Weight –Use the drop down list to choose the one you want.
– click the icon to remove the selected entry.
Description
To configure Vigor router as a DNS server, type the related
information for applying the function of DNS.
TTL – It means Time to live of a DNS response. Available
setting range is from 0 to 2147483647.
Refresh – Set the time for the PC in LAN to refresh the data.
Retry – Set the times of retry if the PC fails to contact with
104 Vigor3900 Series User's Guide