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Client List Screen

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Chapter 9 DHCP Server Table 45 Network > DHCP Server > Advanced LABEL First DNS Server Second DNS Server DESCRIPTION Select From ISP if your ISP dynamically assigns DNS server information (and the NBG4604's WAN IP address). The field to the right displays the (read-only) DNS server IP address that the ISP assigns. Select User-Defined if you have the IP address of a DNS server. Enter the DNS server's IP address in the field to the right. If you chose User-Defined, but leave the IP address set to 0.0.0.0, User-Defined changes to None after you click Apply. If you set a second choice to User-Defined, and enter the same IP address, the second UserDefined changes to None after you click Apply. Select DNS Relay to have the NBG4604 act as a DNS proxy. The NBG4604's LAN IP address displays in the field to the right (readonly). The NBG4604 tells the DHCP clients on the LAN that the NBG4604 itself is the DNS server. When a computer on the LAN sends a DNS query to the NBG4604, the NBG4604 forwards the query to the NBG4604's system DNS server (configured in the WAN > Internet Connection screen) and relays the response back to the computer. You can only select DNS Relay for one of the three servers; if you select DNS Relay for a second or third DNS server, that choice changes to None after you click Apply. Apply Reset Select None if you do not want to configure DNS servers. If you do not configure a DNS server, you must know the IP address of a computer in order to access it. Click Apply to save your changes back to the NBG4604. Click Reset to begin configuring this screen afresh. 9.6 Client List Screen The DHCP table shows current DHCP client information (including IP Address, Host Name and MAC Address) of network clients using the NBG4604's DHCP servers. Configure this screen to always assign an IP address to a MAC address (and host name). Click Network > DHCP Server > Client List. Note: You can also view a read-only client list by clicking the DHCP Table (Details...) hyperlink in the Status screen. 114 NBG4604 User's Guide

Section	Page
NBG4604	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 NBG4604	16
1.4 Good Habits for Managing the NBG4604	16
1.5 LEDs	17
1.6 The WPS Button	18
1.7 Wall Mounting	18
Connection Wizard	21
2.1 Wizard Setup	21
2.2 Connection Wizard: STEP 1: System Information	22
2.2.1 System Name	22
2.2.2 Domain Name	23
2.3 Connection Wizard: STEP 2: Wireless LAN	24
2.3.1 Extend (WPA-PSK or WPA2-PSK) Security	26
2.4 Connection Wizard: STEP 3: Internet Configuration	26
2.4.1 Ethernet Connection	27
2.4.2 PPPoE Connection	28
2.4.3 PPTP Connection	29
2.4.4 Your IP Address	30
2.4.5 WAN IP Address Assignment	31
2.4.6 IP Address and Subnet Mask	31
2.4.7 DNS Server Address Assignment	32
2.4.8 WAN IP and DNS Server Address Assignment	33
2.4.9 WAN MAC Address	34
2.5 Connection Wizard Complete	35
The Web Configurator	37
3.1 Overview	37
3.2 Login Accounts	37
3.3 Accessing the Web Configurator	38
3.4 Resetting the NBG4604	40
3.4.1 Procedure to Use the Reset Button	40
3.5 Navigating the Web Configurator	40
3.6 Status Screen (Router Mode)	40
3.6.1 Navigation Panel	43
3.6.2 Summary: DHCP Table	45
3.6.3 Summary: Packet Statistics	46
3.6.4 Summary: WLAN Station Status	47
AP Mode	49
4.1 Overview	49
4.2 Setting your NBG4604 to AP Mode	49
4.3 Status Screen (AP Mode)	50
4.3.1 Navigation Panel	52
4.4 Configuring Your Settings	54
4.4.1 LAN Settings	54
4.4.2 WLAN and Maintenance Settings	54
4.5 Logging in to the Web Configurator in AP Mode	55
Tutorials	57
5.1 Overview	57
5.2 How to Connect to the Internet from an AP	57
5.2.1 Configure Wireless Security Using WPS on both your NBG4604 and Wireless Client	57
5.2.2 Enable and Configure Wireless Security without WPS on your NBG4604	61
5.3 Bandwidth Management for your Network	64
5.3.1 Configuring Bandwidth Management by Application	64
5.3.2 Configuring Bandwidth Management by Custom Application	65
5.3.3 Configuring Bandwidth Allocation by IP or IP Range	66
Technical Reference	69
Wireless LAN	71
6.1 Overview	71
6.2 What You Can Do	72
6.3 What You Should Know	72
6.3.1 Wireless Security Overview	72
6.4 General Wireless LAN Screen	75
6.4.1 No Security	77
6.4.2 WEP Encryption	78
6.4.3 WPA-PSK/WPA2-PSK	80
6.5 MAC Filter	81
6.6 Wireless LAN Advanced Screen	83
6.7 Quality of Service (QoS) Screen	84
6.7.1 Application Priority Configuration	86
6.8 WPS Screen	87
6.9 WPS Station Screen	88
6.10 Scheduling Screen	89
6.11 WDS Screen	90
6.11.1 Security Mode: Static WEP	92
6.11.2 Security Mode: WPA-PSK/WPA2-PSK	93
WAN	95
7.1 Overview	95
7.2 What You Can Do	95
7.3 What You Need To Know	96
7.3.1 Configuring Your Internet Connection	96
7.3.2 Multicast	97
7.3.3 NetBIOS over TCP/IP	98
7.3.4 Auto-Bridge	98
7.4 Internet Connection	99
7.4.1 Ethernet Encapsulation	99
7.4.2 PPPoE Encapsulation	100
7.4.3 PPTP Encapsulation	102
7.5 Advanced WAN Screen	105
LAN	107
8.1 Overview	107
8.2 What You Can Do	107
8.3 What You Need To Know	108
8.3.1 IP Pool Setup	108
8.3.2 LAN TCP/IP	108
8.4 LAN IP Screen	109
DHCP Server	111
9.1 Overview	111
9.2 What You Can Do	111
9.3 What You Need To Know	111
9.4 General Screen	112
9.5 Advanced Screen	112
9.6 Client List Screen	114
Network Address Translation (NAT)	117
10.1 Overview	117
10.2 What You Can Do	118
10.3 General NAT Screen	118
10.4 NAT Application Screen	119
10.5 NAT Advanced Screen	122
10.5.1 Trigger Port Forwarding Example	123
10.5.2 Two Points To Remember About Trigger Ports	124
Dynamic DNS	125
11.1 Overview	125
11.2 Dynamic DNS Screen	126
Firewall	129
12.1 Overview	129
12.2 What You Can Do	130
12.3 What You Need To Know	130
12.3.1 About the NBG4604 Firewall	130
12.4 General Firewall Screen	131
12.5 The Access Control Rule Screen	131
12.5.1 Add/Edit an ACL Rule	133
12.6 Services Screen	134
Content Filtering	137
13.1 Overview	137
13.2 What You Can Do	137
13.3 What You Need To Know	137
13.3.1 Content Filtering Profiles	137
13.4 Filter Screen	138
13.5 Technical Reference	139
13.5.1 Customizing Keyword Blocking URL Checking	139
Static Route	141
14.1 Overview	141
14.2 What You Can Do	141
14.3 IP Static Route Screen	142
14.3.1 Static Route Setup Screen	143
Bandwidth Management	145
15.1 Overview	145
15.2 What You Can Do	145
15.3 What You Need To Know	146
15.4 General Configuration	146
15.5 Advanced Configuration	147
15.5.1 Priority Levels	150
15.5.2 User Defined Service Rule Configuration	150
15.5.3 Predefined Bandwidth Management Services	151
15.5.4 Services and Port Numbers	152
Remote Management	153
16.1 Overview	153
16.2 What You Can Do	153
16.3 What You Need To Know	154
16.3.1 Remote Management Limitations	154
16.3.2 Remote Management and NAT	154
16.3.3 System Timeout	154
16.4 WWW Screen	155
16.5 The Telnet Screen	156
16.6 The FTP Screen	156
16.7 The SNMP Screen	157
16.7.1 Configuring SNMP	159
16.8 The ACS Screen	160
16.9 ACS Screen	161
16.9.1 STUN	161
16.10 Technical Reference	164
Universal Plug-and-Play (UPnP)	165
17.1 Overview	165
17.2 What You Can Do	165
17.3 What You Need to Know	165
17.4 UPnP Screen	166
17.5 Technical Reference	167
17.5.1 Using UPnP in Windows XP Example	167
17.5.2 Web Configurator Easy Access	170
System	173
18.1 Overview	173
18.2 What You Can Do	173
18.3 System General Screen	173
18.4 Time Setting Screen	175
Logs	179
19.1 Overview	179
19.2 What You Can Do	179
19.3 What You Need to Know	179
19.4 View Log Screen	180
19.5 Log Settings Screen	181
Tools	183
20.1 Overview	183
20.2 What You Can Do	183
20.3 Firmware Upload Screen	183
20.4 Configuration Screen	186
20.4.1 Backup Configuration	186
20.4.2 Restore Configuration	187
20.4.3 Back to Factory Defaults	188
20.5 Restart Screen	188
Sys OP Mode	189
21.1 Overview	189
21.2 What You Can Do	189
21.3 What You Need to Know	190
21.4 General Screen	191
Language	193
22.1 Language Screen	193
Troubleshooting	195
23.1 Power, Hardware Connections, and LEDs	195
23.2 NBG4604 Access and Login	196
23.3 Internet Access	198
23.4 Resetting the NBG4604 to Its Factory Defaults	199
23.5 Wireless Router/AP Troubleshooting	200
IP Addresses and Subnetting	203
Pop-up Windows, JavaScript and Java Permissions	213
Setting up Your Computer’s IP Address	221
23.5.1 Verifying Settings	238
Wireless LANs	239
23.5.2 WPA(2)-PSK Application Example	249
23.5.3 WPA(2) with RADIUS Application Example	249
Services	251
Legal Information	255

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Chapter 9 DHCP Server

NBG4604 User’s Guide

114

9.6

Client List Screen

The DHCP table shows current DHCP client information (including

IP Address

Host

Name

and

MAC Address

) of network clients using the NBG4604’s DHCP

servers.

Configure this screen to always assign an IP address to a MAC address (and host

name). Click

Network

DHCP Server

Client List

Note: You can also view a read-only client list by clicking the

DHCP Table (Details...)

hyperlink in the

Status

screen.

First DNS Server

Second DNS

Server

Select

From ISP

if your ISP dynamically assigns DNS server

information (and the NBG4604's WAN IP address). The field to the

right displays the (read-only) DNS server IP address that the ISP

assigns.

Select

User-Defined

if you have the IP address of a DNS server.

Enter the DNS server's IP address in the field to the right. If you chose

User-Defined

, but leave the IP address set to 0.0.0.0,

User-Defined

changes to

None

after you click

Apply

. If you set a second choice to

User-Defined

, and enter the same IP address, the second

User-

Defined

changes to

None

after you click

Apply

Select

DNS Relay

to have the NBG4604 act as a DNS proxy. The

NBG4604's LAN IP address displays in the field to the right (read-

only). The NBG4604 tells the DHCP clients on the LAN that the

NBG4604 itself is the DNS server. When a computer on the LAN sends

a DNS query to the NBG4604, the NBG4604 forwards the query to the

NBG4604's system DNS server (configured in the

WAN > Internet

Connection

screen) and relays the response back to the computer.

You can only select

DNS Relay

for one of the three servers; if you

select

DNS Relay

for a second or third DNS server, that choice

changes to

None

after you click

Apply

Select

None

if you do not want to configure DNS servers. If you do

not configure a DNS server, you must know the IP address of a

computer in order to access it.

Apply

Click

Apply

to save your changes back to the NBG4604.

Reset

Click

Reset

to begin configuring this screen afresh.

Table 45

Network > DHCP Server > Advanced

LABEL

DESCRIPTION