HP NRM42 - Manual (Page 3)

Chapter 1
Introduction the ADSL2+ Router
1.1 Introducing the ADSL2+ Router
Welcome to the ADSL2+ Router. Your router is an “all-in-one” unit, combining an ADSL
modem, ADSL router and Ethernet network switch, providing everything you need to get the
machines on your network connected to the Internet over your ADSL broadband connection.
The router complies with ADSL2+ standards for worldwide deployment and supports
downstream rates of up to 24 Mbps and upstream rates of up to 1 Mbps. It is designed for
small office, home office and residential users, enabling even faster speed Internet
connections. User can enjoy A DSL services and broadband multimedia applications such as
interactive gaming, video streaming and real-time audio much easier and faster than ever
before.
The product supports PPPoA (RFC 2364 – PPP (Point-to-Point Protocol) over ATM
Adaptation Layer 5), RFC 1483 encapsulation over ATM (bridged or routed), PPP over
Ethernet (RFC 2516), and IPoA (RFC1577) to establish a connection with ISP. The product
also supports VC-based and LLC-based multiplexing.
It is the perfect solution to connect a small group of PCs to a high-speed broadband Internet
connection. Multi-users can have high-speed Internet access simultaneously.
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. All
incoming data packets are monitored and filtered. Besides, it can also be configured to
block internal users from accessing to the Internet.
The product provides two levels of security support. First, it masks LAN users’ IP addresses
which are invisible to outside users on the Internet, making it much more difficult for a hacker
to target a machine on your network. Secondly, it can block and redirect certain ports to limit