User's Manual

Horizons 1500WR Wireless 4-Port Router
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Dynamic DNS Support
With Dynamic DNS support, you can have a static hostname alias for a dynamic IP address, allowing
the host to be more easily accessible from various locations on the Internet. You must register for this
service.
PPPoE Support (RFC2516)
PPPoE (Point-to-Point Protocol over Ethernet) emulates a dial-up connection. It allows your ISP to
use their existing network conguration with newer broadband technologies such as ADSL. The PPPoE
driver on the 1500WR Wireless Router is transparent to the computers on the LAN, which see only
Ethernet and are not aware of PPPoE thus saving you from having to manage PPPoE clients on
individual computers.
PPTP Encapsulation
Point-to-Point Tunneling Protocol (PPTP) is a network protocol that enables secure transfer of data
from a remote client to a private server, creating a Virtual Private Network (VPN) using a TCP/IP-based
network. PPTP supports on-demand, multi-protocol and virtual private networking over public networks,
such as the Internet. Use PPTP to connect to a broadband modem to achieve access to high-speed
data networks via a familiar “dial-up networking” user interface.
Network Address Translation (NAT)
NAT (Network Address Translation - NAT, RFC 1631) allows the translations of multiple IP addresses
used within one network to different IP addresses known within another network.
NAT for Single-IP-address Internet Access
The 1500WR Wireless Router’s SUA (Single User Account) feature allows multiple-user Internet
access for the cost of a single IP account. NAT supports popular Internet applications such as MS
traceroute, CuSeeMe, IRC, RealPlayer, VDOLive, Quake, and PPTP. No conguration is needed
to support these applications.
DHCP (Dynamic Host Conguration Protocol)
DHCP (Dynamic Host Conguration Protocol) allows the individual clients (computers) to obtain the
TCP/IP conguration at start-up from a centralized DHCP server. The 1500WR Wireless Router has
built-in DHCP server capability enabled by default. It can assign IP addresses, an IP default gateway
and DNS servers to DHCP clients. The 1500WR Wireless Router also acts as a surrogate DHCP
server (DHCP Relay) where it relays IP address assignment from the actual real DHCP server to the
clients.
Multicast
Traditionally, IP packets are transmitted in two ways - unicast or broadcast. Multicast is a third way
to deliver IP packets to a group of hosts. IGMP (Internet Group Management Protocol) is the protocol
used to support multicast groups. The latest version is version 2 (see RFC 2236). The 1500WR
Wireless Router supports versions 1 and 2.
IP Alias
IP Alias allows you to partition a physical network into logical networks over the same Ethernet
interface. The 1500WR Wireless Router supports three logical LAN interfaces via its single physical
Ethernet LAN interface with the 1500WR Wireless Router itself as the gateway for each LAN network.
IP Policy Routing
IP Policy Routing provides a mechanism to override the default routing behavior and alter
packet forwarding based on the policies dened by the network administrator.
SNMP
SNMP (Simple Network Management Protocol) is a protocol used for exchanging management
information between network devices. SNMP is a member of the TCP/IP protocol suite. Your