ZyXEL Communications ZYWALL USG 2000 Support Notes page 4

FAQ ............................................................................................................................................ 188
A. Device Management FAQ ............................................................................................. 188
A01. How can I connect to ZyWALL USG 2000 to perform administrator's tasks? 188
A02. Why can't I login into ZyWALL USG 2000? ................................................... 188
A03. What's difference between "Admin Service Control" and "User Service
Control" configuration in GUI menu System > WWW? ........................................... 189
A04. Why ZyWALL USG 2000 redirects me to the login page when I am
performing the management tasks in GUI? ............................................................... 190
A05. Why do I lose my configuration setting after ZyWALL USG 2000 restarts? ... 190
A06. How can I do if the system is keeping at booting up stage for a long time? ..... 190
B. Registration FAQ ........................................................................................................... 192
B01. Why do I need to do the Device Registration? .................................................. 192
B02. Why do I need to activate services? .................................................................. 192
B03. Why can't I active trial service? ........................................................................ 192
B04. Will the UTM service registration information be reset once restore
configuration in ZyWALL USG 2000 back to manufactory default? ........................ 192
C. File Manager FAQ ......................................................................................................... 193
C01. How can ZyWALL USG 2000 manage multiple configuration files? .............. 193
C02. What are the configuration files like startup-config.conf, system-default.conf
and lastgood.conf? ...................................................................................................... 193
C03. Why can't I update firmware? ........................................................................... 193
C04. What is the Shell Scripts for in GUI menu File manager > Shell Scripts? ........ 194
C05. How to write a shell script? ............................................................................... 194
C06. Why can't I run shell script successfully? ......................................................... 194
D. Object FAQ.................................................................................................................... 195
D01. Why does ZyWALL USG 2000 use object? ...................................................... 195
D02. What's the difference between Trunk and the Zone Object? ............................ 196
D03. What is the difference between the default LDAP and the group LDAP? What
is the difference between the default RADIUS and the group RADIUS? ................. 196
E. Interface FAQ ................................................................................................................ 197
E01. How to setup the WAN interface with PPPoE or PPTP? ................................... 197
E02. How to add a virtual interface (IP alias)? .......................................................... 197
E03. Why can't I get IP address via DHCP relay? ..................................................... 197
E04. Why can't I get DNS options from ZyWALL's DHCP server? ......................... 197
E05. Why does the PPP interface dials successfully even its base interface goes
down? ......................................................................................................................... 198
F. Routing and NAT FAQ ................................................................................................... 199
All contents copyright (c) 2008 ZyXEL Communications Corporation.
ZyWALL USG 2000 Support Notes
4