ZyXEL Communications ZyXEL ZyWALL 2WG - Manual (Page 18)

Table of Contents
ZyWALL 2WG User’s Guide
18
Part IV: Advanced ................................................................................ 327
Chapter 17
Network Address Translation (NAT).................................................................................... 329
17.1 NAT Overview ................................................................................................................ 329
17.1.1 NAT Definitions ...................................................................................................... 329
17.1.2 What NAT Does ..................................................................................................... 330
17.1.3 How NAT Works ..................................................................................................... 330
17.1.4 NAT Application ...................................................................................................... 331
17.1.5 Port Restricted Cone NAT ...................................................................................... 332
17.1.6 NAT Mapping Types ............................................................................................... 332
17.2 Using NAT ........................................................................................................................ 333
17.2.1 SUA (Single User Account) Versus NAT ................................................................ 333
17.3 NAT Overview Screen ..................................................................................................... 334
17.4 NAT Address Mapping ................................................................................................... 335
17.4.1 What NAT Does ..................................................................................................... 335
17.4.2 NAT Address Mapping Edit .................................................................................. 337
17.5 Port Forwarding .............................................................................................................. 338
17.5.1 Default Server IP Address ...................................................................................... 339
17.5.2 Port Forwarding: Services and Port Numbers ........................................................ 339
17.5.3 Configuring Servers Behind Port Forwarding (Example) ....................................... 340
17.5.4 NAT and Multiple WAN ........................................................................................... 340
17.5.5 Port Translation ...................................................................................................... 340
17.6 Port Forwarding Screen ................................................................................................... 341
17.7 Port Triggering ............................................................................................................... 343
Chapter 18
Static Route ........................................................................................................................... 345
18.1 IP Static Route .............................................................................................................. 345
18.2 IP Static Route ................................................................................................................. 345
18.2.1 IP Static Route Edit .............................................................................................. 347
Chapter 19
Policy Route .......................................................................................................................... 349
19.1 Policy Route ................................................................................................................... 349
19.2 Benefits ............................................................................................................................ 349
19.3 Routing Policy .................................................................................................................. 349
19.4 IP Routing Policy Setup ................................................................................................... 350
19.5 Policy Route Edit ............................................................................................................ 351
Chapter 20
Bandwidth Management....................................................................................................... 355
20.1 Bandwidth Management Overview ................................................................................. 355