Draytek VIGOR2950 User Manual page 33

To use Static or Dynamic IP as the accessing protocol of the internet, please choose
Internet Access from WAN menu. Then, select Static or Dynamic IP mode for WAN2.
The following web page will be shown.
Static or Dynamic IP
(DHCP Client)
ISDN Dial Backup
Setup
Keep WAN
Connection
WAN Connection
Detection
Vigor2950 Series User's Guide
Click Enable for activating this function. If you click Disable,
this function will be closed and all the settings that you adjusted
in this page will be invalid.
This setting is available for the routers supporting ISDN function
only. Before utilizing the ISDN dial backup feature, you must
create a dial backup profile first. Please click Internet Access
Setup > Dialing to a Single ISP to enter the backup profile.
None - Disable the backup function.
Packet Trigger -The backup line is not on until a packet from a
local host triggers the router to establish a connection.
This setting is available for i model only.
Normally, this function is designed for Dynamic IP environments
because some ISPs will drop connections if there is no traffic
within certain periods of time. Check Enable PING to keep alive
box to activate this function.
PING to the IP - If you enable the PING function, please specify
the IP address for the system to PING it for keeping alive.
PING Interval - Enter the interval for the system to execute the
PING operation.
Such function allows you to verify whether network connection is
alive or not through ARP Detect or Ping Detect.
Mode – Choose ARP Detect or Ping Detect for the system to
execute for WAN detection.
Ping IP – If you choose Ping Detect as detection mode, you have
to type IP address in this field for pinging.
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