ADTRAN Express 4120 - Manual (Page 11)

61200176L3-1 Express 4110/4120 User Manual i
Table of Contents
Quick Startup Guide .................................................................................................... Quick Start-1
Setting up the ISDN Line ............................................................................................... Quick Start-1
Connecting to an Internet Service Provider ................................................................ Quick Start-2
Internet Access using Network Address Translation (NAT) ..................... Quick Start-2
Multiprotocol Routing Between Two LANS ............................................................... Quick Start-3
Remote/Home Office Accessing the Corporate LAN ................................. Quick Start-3
Chapter 1 Understanding ISDN and the Express 4110/4120 ................................................... 1-1
ISDN Overview ................................................................................................................................. 1-1
The Express 4110/4120 ..................................................................................................................... 1-1
Applications ......................................................................................................................... 1-2
Single User to Corporate LAN ............................................................. 1-2
Single User IP to Internet Service Provider (ISP) using Network Ad-
dress Translation (NAT) ....................................................................... 1-4
Multiple Users to Internet Service Provider (ISP) using NAT ........ 1-6
Small Office - Home Office (SOHO) to Corporate LAN .................. 1-8
Demand Routing and Bridging with the Express 4110/4120 .................................... 1-10
Factory Default ................................................................................................... 1-10
Bridging ............................................................................................................... 1-11
IP Routing ............................................................................................................ 1-12
IPX Routing ......................................................................................................... 1-13
Connection List - Simplifying and Enhancing the Dial Function ............... 1-13
Concurrent Routing and Bridging ................................................................................. 1-13
Routing over PPP Bridging ............................................................................................. 1-13
Network Address Translation Mode ............................................................................. 1-14