Revision: 2012-02-15
xi
Table of Contents
Declaration of Conformity ......................................................................................................................... iii
Important Safety Precautions ..................................................................................................................... v
Installation Precautions ............................................................................................................................ vii
Limited Product Warranty .......................................................................................................................... ix
Table of Contents ....................................................................................................................................... xi
1
Related Documents ......................................................................................................................... 1-1
2
Overview ........................................................................................................................................... 2-1
2.1
Introduction .............................................................................................................................. 2-1
2.2
Applications ............................................................................................................................. 2-1
2.3
Router Types ........................................................................................................................... 2-2
2.4
Architecture .............................................................................................................................. 2-3
2.4.1
Block Diagram ............................................................................................................... 2-3
2.4.2
Ethernet Switch ............................................................................................................. 2-3
2.4.3
IP Router ....................................................................................................................... 2-3
2.4.4
SHDSL Modem ............................................................................................................. 2-4
3
Features ............................................................................................................................................ 3-1
3.1
Network connections ............................................................................................................... 3-1
3.1.1
Bridging ......................................................................................................................... 3-1
3.1.2
Routing .......................................................................................................................... 3-1
3.1.3
Dynamic Host Configuration Protocol (DHCP) .............................................................. 3-2
3.1.4
Point-to-Point Protocol over Ethernet (PPPoE) ............................................................. 3-2
3.1.5
IPSEC VPN ................................................................................................................... 3-3
3.1.6
Point-to-Point Tunneling Protocol (PPTP) ..................................................................... 3-3
3.2
Security .................................................................................................................................... 3-4
3.2.1
Access Control .............................................................................................................. 3-4
3.2.2
Port Forwarding ............................................................................................................. 3-4
3.2.3
DMZ Host ...................................................................................................................... 3-5
3.2.4
Port Triggering ............................................................................................................... 3-5
3.2.5
Website Restrictions ..................................................................................................... 3-6
3.2.6
Network Address Translation (NAT) ............................................................................. 3-6
3.2.7
Advanced Filtering ......................................................................................................... 3-6
3.2.8
Security Log ................................................................................................................... 3-7
3.3
VLAN ....................................................................................................................................... 3-7
3.3.1
Switch VLAN modes ...................................................................................................... 3-7
3.3.2
VLAN interfaces ............................................................................................................ 3-7
3.3.3
VLAN Stacking .............................................................................................................. 3-7
3.3.4
VLAN Examples ............................................................................................................ 3-8
3.4
Quality of Service (QoS) .......................................................................................................... 3-8
3.4.1
Traffic Priority ................................................................................................................ 3-9
3.4.2
Traffic Shaping .............................................................................................................. 3-9