Draytek Vigor2620 Series, User Manual, Page: 120 / 610

Vigor2620 Series User’s Guide 108
If the IP address of a domain name is already in the DNS
cache, the router will resolve the domain name immediately.
Otherwise, the router forwards the DNS query packet to the
external DNS server by establishing a WAN (e.g. DSL/Cable)
connection.
When you finish the configuration, please click OK to save and exit this page.
Private IP addresses can be assigned automatically to LAN clients using Dynamic Host
Configuration Protocol (DHCP), or manually assigned. The DHCP server can either be the
router (the most common case), or a separate server, that hands out IP addresses to DHCP
clients.
Alternatively, static IP addresses can be manually configured on LAN clients as part of their
network settings. No matter how IP addresses are configured, it is important that no two
devices get the same IP address. If both DHCP and static assignment are used on a network, it
is important to exclude the static IP addresses from the DHCP IP pool. For example, if your
LAN uses the 192.168.1.x subnet and you have 20 DHCP clients and 20 static IP clients, you
could configure 192.168.1.10 as the Start IP Address, 50 as the IP Pool Counts (enough for the
current number of DHCP clients, plus room for future expansion), and use addresses greater
than 192.168.1.100 for static assignment.
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Available settings are explained as follows:
Item Description
Network Configuration Enable/Disable - Click Enable to enable such configuration;
click Disable to disable such configuration.
For NAT Usage - Click this radio button to invoke NAT
function.
For Routing Usage - Click this radio button to invoke this
function.
IP Address - This is the IP address of the router. (Default:
192.168.1.1).
Subnet Mask - The subnet mask, together with the IP Address
field, indicates the maximum number of clients allowed on
the subnet. (Default: 255.255.255.0/ 24).
DHCP Server DHCP stands for Dynamic Host Configuration Protocol. The