Table Of Contents - ZyXEL Communications ZyWALL USG 20 User Manual

Table of Contents

Scenario 1 - Connecting your USG to the Internet ................................................................................................................................................................................... 4
1.1 Application Scenario ....................................................................................................................................................................................................................... 4
1.2 Configuration Guide ....................................................................................................................................................................................................................... 5
Scenario 2 - WAN Load Balancing and Customized Usage of WAN Connection for Specific Traffic (USG 50 only) ............................................................................ 12
2.1 WAN Load Balancing..................................................................................................................................................................................................................... 12
2.1.1 Load Balancing Algorithm ......................................................................................................................................................................................................... 12
2.2 Customized Usage of WAN Connection for Specific Traffic Type............................................................................................................................................... 14
2.3 Application Scenario ..................................................................................................................................................................................................................... 15
2.4 Configuration Guide ..................................................................................................................................................................................................................... 16
Scenario 3 - How to configure NAT if you have Internet-facing public servers .................................................................................................................................... 22
3.1 Application Scenario ..................................................................................................................................................................................................................... 22
3.2 Configuration Guide ..................................................................................................................................................................................................................... 23
Scenario 4 - Secure site-to-site connections using IPSec VPN ............................................................................................................................................................... 27
4.1 Application Scenario ..................................................................................................................................................................................................................... 27
4.2 Configuration Guide ..................................................................................................................................................................................................................... 28
Scenario 5 - Secure client-to-site connections using IPSec VPN ............................................................................................................................................................ 35
5.1 Application Scenario ..................................................................................................................................................................................................................... 35
5.2 Configuration Guide ..................................................................................................................................................................................................................... 36
Scenario 6 - Deploying SSL VPN for Tele-workers to Access Company Resources (USG 50 only) ....................................................................................................... 45
6.1 Application Scenario ..................................................................................................................................................................................................................... 45
6.2 Configuration Guide ..................................................................................................................................................................................................................... 46
Scenario 7 - Reserving Highest Bandwidth Management Priority for VoIP Traffic ............................................................................................................................... 55
7.1 Application Scenario ..................................................................................................................................................................................................................... 55
7.2 Configuration Guide ..................................................................................................................................................................................................................... 56
All contents copyright (c) 2010 ZyXEL Communications Corporation.
ZyXEL
- ZyWALL USG Support Notes
2