Draytek Vigor3900 User Manual page 99

Vigor3900 Series User's Guide
VoIPon www.voipon.co.uk sales@voipon.co.uk Tel: (0)330 088 0195 Fax: +44 (0)1245 808299
Specify DNS
DNS
Apply
Cancel

If you choose PPTP as IPv4 protocol type, click the PPTP Tab to open the following
page:
Available parameters are listed as follows:
Item
PPTP Over
– Click the icon to remove the selected entry.
Enable – Click it to enable the function of DNS specified.
It is used for local service (e.g., NTP, ping diagnostic) or
used for forwarding packets to PC on LAN/VPN.
Disable – Click it to disable the function of DNS specified.
Add – click this button to have a field for adding a new IP
address.
Save – click this button to save the setting.
– click the icon to remove the selected entry.
Click it to save the configuration and exit the dialog.
Click it to exit the dialog without saving the configuration.
Description
Usually ISP dynamically assigns IP address to you each
time you connect to it and request. In some case, your ISP
provides service to always assign you the same IP address
whenever you request. In this case, you can fill in this IP
address in the Fixed IP field. Please contact your ISP
before you want to use this function.
91