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ZyXEL NBG4615 v2 User Guide - Page 223

Troubleshooting

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CHAPTER 27 Troubleshooting 27.1 Overview This chapter offers some suggestions to solve problems you might encounter. The potential problems are divided into the following categories. • Power, Hardware Connections, and LEDs • NBG4615 v2 Access and Login • Internet Access • Resetting the NBG4615 v2 to Its Factory Defaults • Wireless Router/AP Troubleshooting • USB Device Problems • ZyXEL Share Center Utility Problems 27.2 Power, Hardware Connections, and LEDs The NBG4615 v2 does not turn on. None of the LEDs turn on. 1 Make sure you are using the power adaptor or cord included with the NBG4615 v2. 2 Make sure the power adaptor or cord is connected to the NBG4615 v2 and plugged in to an appropriate power source. Make sure the power source is turned on. 3 Disconnect and re-connect the power adaptor or cord to the NBG4615 v2. 4 If the problem continues, contact the vendor. One of the LEDs does not behave as expected. 1 Make sure you understand the normal behavior of the LED. See Section 1.7 on page 17. 2 Check the hardware connections. See the Quick Start Guide. 3 Inspect your cables for damage. Contact the vendor to replace any damaged cables. NBG4615 v2 User's Guide 223

Section	Page
NBG4615 v2	1
Contents Overview	3
Table of Contents	5
User’s Guide	13
Introduction	15
1.1 Overview	15
1.2 Applications	15
1.3 Ways to Manage the NBG4615 v2	15
1.4 Good Habits for Managing the NBG4615 v2	16
1.5 Resetting the NBG4615 v2	16
1.5.1 How to Use the RESET Button	16
1.6 The WPS Button	16
1.7 LEDs	17
1.8 Wall Mounting	18
ZyXEL NetUSB Share Center Utility	21
2.1 Overview	21
2.1.1 Quick Setup	21
2.1.2 Installing ZyXEL NetUSB Share Center Utility	21
2.2 The ZyXEL NetUSB Share Center Utility	22
2.2.1 The Menus	23
2.2.2 The ZyXEL NetUSB Share Center Configuration Window	24
2.2.3 The Auto-Connect Printer List Window	25
2.2.4 Exit the ZyXEL NetUSB Share Center Utility	26
Connection Wizard	27
3.1 Overview	27
3.2 Accessing the Wizard	27
3.3 Connect to Internet	28
3.3.1 Connection Type: IPoE	29
3.3.2 Connection Type: PPPoE	30
3.3.3 Connection Type: PPTP	32
3.4 Router Password	33
3.5 Wireless Security	34
3.5.1 Wireless Security: No Security	34
3.5.2 Wireless Security: WPA2-PSK	35
Introducing the Web Configurator	39
4.1 Overview	39
4.2 Accessing the Web Configurator	39
4.2.1 Login Screen	39
4.2.2 Password Screen	40
NBG4615 v2 Modes	43
5.1 Overview	43
5.1.1 Web Configurator Modes	43
5.1.2 Device Modes	43
Easy Mode	45
6.1 Overview	45
6.2 What You Can Do	46
6.3 What You Need to Know	46
6.4 Navigation Panel	47
6.5 Network Map	47
6.6 Control Panel	48
6.6.1 Game Engine	49
6.6.2 Power Saving	50
6.6.3 Content Filter	50
6.6.4 Bandwidth MGMT	51
6.6.5 Firewall	52
6.6.6 Wireless Security	52
6.6.7 WPS	53
6.7 Status Screen in Easy Mode	54
Router Mode	57
7.1 Overview	57
7.2 Router Mode Status Screen	57
7.2.1 Navigation Panel	60
Access Point Mode	63
8.1 Overview	63
8.2 What You Can Do	63
8.3 What You Need to Know	63
8.3.1 Setting your NBG4615 v2 to AP Mode	64
8.3.2 Accessing the Web Configurator in Access Point Mode	64
8.3.3 Configuring your WLAN and Maintenance Settings	65
8.4 AP Mode Status Screen	65
8.4.1 Navigation Panel	67
8.5 LAN Screen	67
Universal Repeater Mode	71
9.1 Overview	71
9.2 What You Can Do	71
9.3 What You Need to Know	72
9.4 Setting your NBG4615 v2 to Universal Repeater Mode	72
9.5 Universal Repeater Mode Status Screen	73
9.5.1 Navigation Panel	75
9.6 Universal Repeater Screen	75
9.6.1 No Security	76
9.6.2 Static WEP	76
9.6.3 WPA(2)-PSK	78
9.7 Site Survey Screen	78
WISP Mode	81
10.1 Overview	81
10.2 What You Can Do	81
10.3 What You Need to Know	82
10.3.1 Setting your NBG4615 v2 to WISP Mode	82
10.3.2 Accessing the Web Configurator in WISP Mode	82
10.4 WISP Mode Status Screen	83
10.4.1 Navigation Panel	85
10.5 Wireless LAN General Screen	85
10.5.1 No Security	86
10.5.2 Static WEP	87
10.5.3 WPA(2)-PSK	88
10.6 Site Survey Screen	89
WISP + Universal Repeater Mode	91
11.1 Overview	91
11.2 What You Can Do	91
11.3 What You Need to Know	92
11.3.1 Setting your NBG4615 v2 to WISP + UR Mode	92
11.3.2 Accessing the Web Configurator in WISP + UR Mode	93
11.4 WISP + UR Mode Status Screen	93
11.4.1 Navigation Panel	96
Tutorials	97
12.1 Overview	97
12.2 Set Up a Wireless Network with WPS	97
12.2.1 Push Button Configuration (PBC)	97
12.2.2 PIN Configuration	98
12.3 Configure Wireless Security without WPS	99
12.3.1 Configure Your Notebook	101
12.4 Using Multiple SSIDs on the NBG4615 v2	103
12.4.1 Configuring Security Settings of Multiple SSIDs	104
12.5 Connecting the NBG4615 v2 to an AP or Wireless Router	108
12.6 Connecting to USB Storage with the ZyXEL NetUSB Share Center Utility	111
12.6.1 Multiple Connections to the USB Device	112
12.7 Automatically Connecting to a USB Printer	114
Technical Reference	117
Monitor	119
13.1 Overview	119
13.2 What You Can Do	119
13.3 The Log Screen	119
13.3.1 View Log	119
13.4 DHCP Table	120
13.5 Packet Statistics	121
13.6 WLAN Station Status	122
WAN	125
14.1 Overview	125
14.2 What You Can Do	125
14.3 What You Need To Know	125
14.3.1 Configuring Your Internet Connection	126
14.3.2 Multicast	127
14.4 Internet Connection	127
14.4.1 IPoE Encapsulation	127
14.4.2 PPPoE Encapsulation	129
14.4.3 PPTP Encapsulation	131
14.5 Advanced WAN Screen	134
Wireless LAN	135
15.1 Overview	135
15.1.1 What You Can Do	136
15.1.2 What You Should Know	136
15.2 General Wireless LAN Screen	140
15.3 Wireless Security	142
15.3.1 No Security	142
15.3.2 WEP Encryption	142
15.3.3 WPA-PSK/WPA2-PSK	144
15.3.4 WPA/WPA2	145
15.4 More AP Screen	147
15.4.1 More AP Edit	148
15.5 MAC Filter Screen	150
15.6 Wireless LAN Advanced Screen	152
15.7 Quality of Service (QoS) Screen	152
15.8 WPS Screen	153
15.9 WPS Station Screen	155
15.10 Scheduling Screen	155
LAN	157
16.1 Overview	157
16.2 What You Can Do	157
16.3 What You Need To Know	157
16.3.1 IP Pool Setup	158
16.3.2 LAN TCP/IP	158
16.3.3 IP Alias	158
16.4 LAN IP Screen	158
16.5 IP Alias Screen	159
DHCP Server	161
17.1 Overview	161
17.1.1 What You Can Do	161
17.1.2 What You Need To Know	161
17.2 DHCP Server General Screen	161
17.3 DHCP Server Advanced Screen	162
17.4 DHCP Client List Screen	164
NAT	167
18.1 Overview	167
18.1.1 What You Can Do	167
18.1.2 What You Need To Know	168
18.2 General	169
18.3 Port Forwarding Screen	170
18.3.1 Port Forwarding Edit Screen	172
18.4 Port Trigger Screen	173
18.5 Technical Reference	174
18.5.1 NATPort Forwarding: Services and Port Numbers	174
18.5.2 NAT Port Forwarding Example	174
18.5.3 Trigger Port Forwarding	175
18.5.4 Trigger Port Forwarding Example	175
18.5.5 Two Points To Remember About Trigger Ports	176
DDNS	177
19.1 Overview	177
19.1.1 What You Need To Know	177
19.2 General	177
Static Route	179
20.1 Overview	179
20.2 IP Static Route Screen	179
20.2.1 Add/Edit Static Route	180
Firewall	183
21.1 Overview	183
21.1.1 What You Can Do	183
21.1.2 What You Need To Know	183
21.2 General Screen	185
21.3 Services Screen	185
Content Filtering	189
22.1 Overview	189
22.1.1 What You Need To Know	189
22.2 Content Filter	189
22.3 Technical Reference	191
22.3.1 Customizing Keyword Blocking URL Checking	191
Bandwidth Management	193
23.1 Overview	193
23.2 What You Can Do	193
23.3 What You Need To Know	194
23.4 General Screen	194
23.5 Advanced Screen	194
23.5.1 Rule Configuration: Application Rule Configuration	196
23.5.2 Rule Configuration: User Defined Service Rule Configuration	197
23.5.3 Predefined Bandwidth Management Services	199
Remote Management	201
24.1 Overview	201
24.2 What You Can Do in this Chapter	201
24.3 What You Need to Know	201
24.3.1 Remote Management and NAT	202
24.3.2 System Timeout	202
24.4 WWW Screen	202
24.5 Telnet Screen	203
24.6 Wake On LAN Screen	203
Universal Plug-and-Play (UPnP)	205
25.1 Overview	205
25.2 What You Need to Know	205
25.2.1 NAT Traversal	205
25.2.2 Cautions with UPnP	205
25.3 UPnP Screen	206
25.4 Technical Reference	206
25.4.1 Using UPnP in Windows XP Example	206
25.4.2 Web Configurator Easy Access	208
Maintenance	211
26.1 Overview	211
26.2 What You Can Do	211
26.3 General Screen	211
26.4 Password Screen	212
26.5 Time Setting Screen	213
26.6 Firmware Upgrade Screen	214
26.7 Configuration Backup/Restore Screen	216
26.8 Restart Screen	217
26.9 Language Screen	217
26.10 System Operation Mode Overview	218
26.11 Sys OP Mode Screen	220
Troubleshooting	223
27.1 Overview	223
27.2 Power, Hardware Connections, and LEDs	223
27.3 NBG4615 v2 Access and Login	224
27.4 Internet Access	226
27.5 Resetting the NBG4615 v2 to Its Factory Defaults	227
27.6 Wireless Router/AP Troubleshooting	227
27.7 USB Device Problems	229
27.8 ZyXEL Share Center Utility Problems	230
Pop-up Windows, JavaScript and Java Permissions	231
IP Addresses and Subnetting	241
Setting Up Your Computer’s IP Address	251
Wireless LANs	279
Common Services	293
Legal Information	297