Atlantis Land A02-RA340 ユーザーズマニュアル

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Chapter 1 
Introduction 
 
1.1 An Overview of the ADSL2+ VPN Router  
 
Broadband Sharing and IP sharing 
The ADSL VPN Firewall Router supports 4 x 10/100 Mbps auto-negotiating Fast Ethernet 
ports for connection to your PC or LAN and downstream (with built-in ADSL2+ modem) rate 
up to 24Mbps. Power by NAT technology, dozens of network users can surf on the Internet 
and share the ADSL connection simultaneously by using one ISP account and one single IP 
address. 
 
Security: Firewall & VLAN 
This product also serves as an Internet firewall, protecting your network from being accessed 
by outside users. Not only provide the natural firewall function (Network Address Translation, 
NAT), it also provides rich firewall features to secure user's network. 
The VLANs allow to segment the traffic of net and, in this way, they improve management 
and performance of entire network.   
 
VPN 
The router supports embedded Virtual Private Network (VPN) protocols and up to 16 
simultaneous IPSec VPN tunnels for users to establish private encrypted tunnels over the 
public Internet (up to 4 VPN tunnels on A02-RA340). With built-in DES/3DES optimized 
microcode, the router enhances IPSec VPN performance significantly and ensures data 
transmitted securely between two or more sites. 
 
Quality of Service and  IP Throttling 
QoS gives you full control over which types of outgoing data traffic should be given priority by 
the router, ensuring important data like gaming packets move through the router at lightning 
speed, even under heavy load. 
Using IP Throttling, bandwidth limits can be enforced on any system within your LAN, or even 
on a particular application. 
 
Easy Configuration and Management   
Support web based GUI and Telnet for configuration and management. Also supports remote 
management  (Web and telnet) capability for remote user to configure and manage this 
product. It incorporates besides a client Dynamic DNS.