Wan; Basics Of Internet Protocol (Ip) Network; What Are Public Ip Address And Private Ip Address; Get Your Public Ip Address From Isp - Draytek Vigor2760 Series User Manual
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- User manual (619 pages) ,
- Quick start manual (39 pages) ,
- Quick start manual (31 pages)
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Quick Start Wizard offers user an easy method to quick setup the connection mode for the
router. Moreover, if you want to adjust more settings for different WAN modes, please go to
Internet Access group.
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IP means Internet Protocol. Every device in an IP-based Network including routers, print
server, and host PCs, needs an IP address to identify its location on the network. To avoid
address conflicts, IP addresses are publicly registered with the Network Information Centre
(NIC). Having a unique IP address is mandatory for those devices participated in the public
network but not in the private TCP/IP local area networks (LANs), such as host PCs under the
management of a router since they do not need to be accessed by the public. Hence, the NIC
has reserved certain addresses that will never be registered publicly. These are known as
private IP addresses, and are listed in the following ranges:
From 10.0.0.0 to 10.255.255.255
From 172.16.0.0 to 172.31.255.255
From 192.168.0.0 to 192.168.255.255
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As the router plays a role to manage and further protect its LAN, it interconnects groups of
host PCs. Each of them has a private IP address assigned by the built-in DHCP server of the
Vigor router. The router itself will also use the default private IP address: 192.168.1.1 to
communicate with the local hosts. Meanwhile, Vigor router will communicate with other
network devices through a public IP address. When the data flow passing through, the
Network Address Translation (NAT) function of the router will dedicate to translate
public/private addresses, and the packets will be delivered to the correct host PC in the local
area network. Thus, all the host PCs can share a common Internet connection.
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In DSL deployment, the PPP (Point to Point)-style authentication and authorization is required
for bridging customer premises equipment (CPE). Point to Point Protocol over Ethernet
(PPPoE) connects a network of hosts via an access device to a remote access concentrator or
aggregation concentrator. This implementation provides users with significant ease of use.
Meanwhile it provides access control, billing, and type of service according to user
requirement.
When a router begins to connect to your ISP, a serial of discovery process will occur to ask for
a connection. Then a session will be created. Your user ID and password is authenticated via
PAP or CHAP with RADIUS authentication system. And your IP address, DNS server, and
other related information will usually be assigned by your ISP.
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Since 3G mobile communication through Access Point is popular more and more, Vigor router
adds the function of 3G network connection to offer the user more convenience.
There are two available USB ports in Vigor router. With an optional USB 3G modem installed
into one of them (Vigor router supports only one dongle at one time), it can be treated as a
backup WAN interface when the specified WAN interface (e.g., DSL connection) is down due
to some reason, and then the backup WAN will take over all the job of data communication.
Later, if the specified WAN interface is active again, the backup one will disconnect
automatically. Note that you have to specify the function of the 3G USB modem to be backup
or failover WAN from Network>>Failover.
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Vigor2760 Series User's Guide
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