ZyXEL Communications SBG5500-A, User Manual

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Table of Contents
SBG5500 Series User’s Guide
7
6.7 The VLAN / Interface Group Screen ............................................................................................ 98
6.7.1 VLAN / Interface Group: Add/Edit ...................................................................................... 99
6.8 The DNS Entry Screen ................................................................................................................... 103
6.9 The DNS Forwarder Screen .......................................................................................................... 103
6.9.1 DNS Forwarder: Add/Edit ................................................................................................... 104
6.10 Technical Reference .................................................................................................................. 105
6.10.1 LANs, WANs and the SBG ................................................................................................. 105
6.10.2 DHCP Setup ....................................................................................................................... 105
6.10.3 DNS Server Addresses ....................................................................................................... 106
6.10.4 LAN TCP/IP ......................................................................................................................... 106
Chapter 7
Routing ..............................................................................................................................................108
7.1 Overview ...................................................................................................................................... 108
7.1.1 What You Can Do in this Chapter ..................................................................................... 108
7.2 The Routing Status Screen ........................................................................................................... 109
7.3 The Policy Route Screen .............................................................................................................. 115
7.3.1 Add/Edit Policy Route ........................................................................................................ 116
7.4 The Static Route Screen ............................................................................................................... 118
7.4.1 Add/Edit Static Route ......................................................................................................... 119
7.5 The RIP Screen ............................................................................................................................... 120
Chapter 8
Network Address Translation (NAT)................................................................................................122
8.1 Overview ....................................................................................................................................... 122
8.1.1 What You Can Do in this Chapter ..................................................................................... 122
8.1.2 What You Need To Know ................................................................................................... 122
8.2 The Port Forwarding Screen ....................................................................................................... 123
8.2.1 Add/Edit Port Forwarding .................................................................................................. 125
8.3 The Port Triggering Screen ........................................................................................................... 126
8.3.1 Add/Edit Port Triggering Rule ............................................................................................ 128
8.4 The Address Mapping Screen ..................................................................................................... 129
8.4.1 Add/Edit Address Mapping Rule ....................................................................................... 130
8.5 The Default Server Screen ........................................................................................................... 131
8.5.1 Edit Default Server ............................................................................................................... 132
8.6 The ALG Screen ............................................................................................................................ 133
8.7 Technical Reference .................................................................................................................... 134
8.7.1 NAT Definitions ..................................................................................................................... 134
8.7.2 What NAT Does ................................................................................................................... 134
8.7.3 How NAT Works .................................................................................................................... 135
8.7.4 NAT Application .................................................................................................................. 135
Chapter 9
Firewall ..............................................................................................................................................138