Draytek 2910 manual Keep WAN, Connection, RIP Protocol, WAN IP Network, Settings

	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.
	Always On - If the broadband connection is no longer available,
	the backup line will be activated automatically and always on until
	the broadband connection is restored. We recommend you to
	enable this feature if you host a web server for your customers’
	access.
Keep WAN	Normally, this function is designed for Dynamic IP environments
Connection	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.
WAN Connection	Such function allows you to verify whether network connection is
Detection	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.
	TTL (Time to Live) – Displays value for your reference. TTL
	value is set by telnet command.
RIP Protocol	Routing Information Protocol is abbreviated as RIP（RFC1058）
	specifying how routers exchange routing tables information. Click
	Enable RIP for activating this function.
WAN IP Network	This group allows you to obtain an IP address automatically and
Settings	allows you type in IP address manually.
	WAN IP Alias - If you have multiple public IP addresses and
	would like to utilize them on the WAN interface, please use WAN
	IP Alias. You can set up to 8 public IP addresses other than the
	current one you are using. Notice that this setting is available for
	WAN1 only.

Vigor2910 Series User’s Guide 35