Draytek Vigor3900 User Manual page 124

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address manually with the format like "00:1d:aa:b2:69:80".
IPv4 Protocol Display the fixed type (static) for the IPv4 protocol for such
profile.
Mode Choose NAT or ROUTING as the operation mode for such
profile.
Type the IP address (with the format like 192.168.1.25) of the
IP Address
router for the LAN profile.
Subnet Mask Use the drop down list to choose a suitable mask for the LAN
profile.
Connection Select a detecting mode for this LAN interface.
Detection Mode
This feature is used to operate in coordination with Policy
Route profile. Vigor system can choose suitable router policy
through connection detection automatically.
Gateway IP It is available when ARP is selected as Connection Detection
Address Mode.
Type a public gateway address. Vigor router will detect the
destination IP specified here automatically when such LAN
profile is used. If the IP is not detected, the connection status
for LAN will be shown as "down".
Connection It is available when ARP is selected as Connection Detection
Detection Interval Mode.
Assign an interval period of time for each detecting.
Connection It is available when ARP is selected as Connection Detection
Detection Retry Mode.
Assign detecting times to ensure the connection of the LAN
interface. After passing the times you set in this field and no
reply received by the router, the connection of LAN interface
will be regarded as breaking down.
DHCP Server Enable – Click it to enable the DHCP server. The DHCP
server will assign the IP address randomly for the LAN user.
The range of the IP addresses must be defined in DHCP Start
IP and DHCP End IP.
Disable – Click it to disable the DHCP server.
DHCP Start IP Type an IP address as the starting point for DHCP server.
DHCP End IP Type an IP address as the ending point for DHCP server.
DHCP DNS Set the private IP address for DNS server. If this field is
blank, users on LAN will treat Vigor3900 as the DNS server.
Add – Click it to add a new IP address for DNS server.
Save – Click it to save the setting.
116 Vigor3900 Series User's Guide