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The Trigger Port Screen

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Chapter 8 Network Address Translation (NAT) The following table describes the labels in this screen. Table 41 Port Forwarding Edit LABEL DESCRIPTION Active Clear the check box to disable the rule. Select the check box to enable it. Service Name WAN Interface External Start Port This field is not editable if you are configuring a User Define rule. Enter a name to identify this rule. This field is read-only if you click the Edit icon in the Port Forwarding screen. Select a WAN interface for which you want to configure port forwarding rules. Enter the original destination port for the packets. To forward only one port, enter the port number again in the External End Port field. External End Port To forward a series of ports, enter the start port number here and the end port number in the External End Port field. Enter the last port of the original destination port range. To forward only one port, enter the port number in the External Start Port field above and then enter it again in this field. Internal Start Port Internal End Port Server IP Address Protocol Back Apply Cancel To forward a series of ports, enter the last port number in a series that begins with the port number in the External Start Port field above. Enter the port number here to which you want the Device to translate the incoming port. For a range of ports, enter the first number of the range to which you want the incoming ports translated. Enter the last port of the translated port range. Enter the inside IP address of the virtual server here. Select the protocol supported by this virtual server. Choices are TCP, UDP, or TCP/UDP. Click Back to return to the previous screen. Click Apply to save your changes back to the Device. Click Cancel to begin configuring this screen afresh. 8.4 The Trigger Port Screen Some services use a dedicated range of ports on the client side and a dedicated range of ports on the server side. With regular port forwarding you set a forwarding port in NAT to forward a service (coming in from the server on the WAN) to the IP address of a computer on the client side (LAN). The problem is that port forwarding only forwards a service to a single LAN IP address. In order to use the same service on a different LAN computer, you have to manually replace the LAN computer's IP address in the forwarding port with another LAN computer's IP address. P-870HN-5xb User's Guide 151

Section	Page
P-870HN-5xb	1
About This User's Guide	3
Document Conventions	5
Safety Warnings	7
Contents Overview	9
Table of Contents	11
User’s Guide	19
Introducing the Device	21
1.1 Overview	21
1.2 Ways to Manage the Device	21
1.3 Good Habits for Managing the Device	22
1.4 Applications for the Device	22
1.4.1 Internet Access	22
1.5 LEDs (Lights)	24
1.6 The RESET Button	25
1.6.1 Using the Reset Button	26
1.7 The WPS WLAN Button	26
1.7.1 Turn the Wireless LAN Off or On	26
1.7.2 Activate WPS	26
Tutorials	27
2.1 How to Set up a Wireless Network	27
2.1.1 Example Parameters	27
2.1.2 Configuring the AP	27
2.1.3 Configuring the Wireless Client	31
2.2 How to Set up Multiple VDSL Connection Groups	38
2.2.1 Adding WAN Internet Connections	38
2.2.2 Setting Interface Groups	44
2.2.3 Configuring Interface Group IP	49
2.2.4 Testing the VDSL Connection Groups	50
Introducing the Web Configurator	51
3.1 Web Configurator Overview	51
3.1.1 Accessing the Web Configurator	51
3.2 Web Configurator Main Screen	53
3.2.1 Navigation Panel	54
3.2.2 Main Window	56
3.2.3 Status Bar	56
Technical Reference	57
Status Screens	59
4.1 Status Screen	59
4.1.1 WAN Service Statistics	63
4.1.2 Route Info	64
4.1.3 WLAN Station List	66
4.1.4 xDSL Statistics	67
4.1.5 LAN Statistics	70
4.1.6 Client List	71
WAN Setup	73
5.1 Overview	73
5.1.1 What You Can Do in this Chapter	73
5.2 What You Need to Know	74
5.3 Before You Begin	75
5.4 The Mode Screen	75
5.5 The Layer 2 Interface Screen	75
5.5.1 Layer 2 Interface Configuration	77
5.6 The Internet Connection Screen	80
5.6.1 WAN Connection Configuration	81
5.7 Technical Reference	95
LAN Setup	103
6.1 Overview	103
6.1.1 What You Can Do in this Chapter	103
6.2 What You Need To Know	104
6.3 The IP Screen	105
6.4 The DHCP Client List Screen	107
6.5 The IPv6 screen	109
6.6 Technical Reference	110
Wireless LAN	115
7.1 Overview	115
7.1.1 What You Can Do in this Chapter	115
7.2 What You Need to Know	116
7.3 Before You Begin	118
7.4 The General Screen	119
7.4.1 No Security	121
7.4.2 WEP Encryption	122
7.4.3 WPA(2)-PSK	123
7.4.4 WPA(2) Authentication	125
7.4.5 MAC Filter	126
7.4.6 Adding a New MAC Filtering Rule	127
7.5 The More AP Screen	128
7.5.1 More AP Edit	129
7.6 The WPS Screen	129
7.7 The WPS Station Screen	130
7.8 The WDS Screen	131
7.9 The Advanced Setup Screen	133
7.10 Technical Reference	135
7.10.1 Wireless Network Overview	135
7.10.2 Additional Wireless Terms	136
7.10.3 Wireless Security Overview	136
7.10.4 WiFi Protected Setup	139
Network Address Translation (NAT)	147
8.1 Overview	147
8.1.1 What You Can Do in this Chapter	147
8.2 What You Need to Know	147
8.3 The Port Forwarding Screen	148
8.3.1 The Port Forwarding Edit Screen	150
8.4 The Trigger Port Screen	151
8.4.1 Trigger Port Configuration	154
8.5 The DMZ Host Screen	156
8.6 The ALG Screen	156
8.7 Technical Reference	157
MAC Filter	159
9.1 Overview	159
9.1.1 What You Can Do in this Chapter	159
9.2 The MAC Filter Screen	160
9.2.1 Creating MAC Filtering Rules	161
Firewall	163
10.1 Overview	163
10.1.1 What You Can Do in this Chapter	163
10.2 What You Need to Know	163
10.3 The Firewall Screen	164
10.3.1 Creating Incoming Firewall Rules	166
Certificate	169
11.1 Overview	169
11.1.1 What You Can Do in this Chapter	169
11.2 What You Need to Know	169
11.3 The Local Certificates Screen	170
11.3.1 Create Certificate Request	171
11.3.2 Import Certificate	172
11.3.3 Certificate Details	174
11.3.4 Load Signed Certificate	176
11.4 The Trusted CA Screen	177
11.4.1 View Trusted CA Certificate	179
11.4.2 Import Trusted CA Certificate	180
Static Route	181
12.1 Overview	181
12.1.1 What You Can Do in this Chapter	181
12.2 The Static Route Screen	182
12.2.1 Static Route Edit	183
Policy Forwarding	185
13.1 Overview	185
13.1.1 What You Can Do in this Chapter	185
13.2 The Policy Forwarding Screen	185
13.2.1 Policy Forwarding Setup	186
DNS Route	189
14.1 Overview	189
14.1.1 What You Can Do in this Chapter	189
14.2 The DNS Route Screen	189
14.2.1 DNS Route Setup	190
RIP	191
15.1 Overview	191
15.1.1 What You Can Do in this Chapter	191
15.2 The RIP Screen	191
Quality of Service (QoS)	193
16.1 Overview	193
16.1.1 What You Can Do in this Chapter	193
16.2 What You Need to Know	194
16.3 The Quality of Service General Screen	195
16.4 The Queue Setup Screen	197
16.4.1 Adding a QoS Queue	199
16.5 The Class Setup Screen	200
16.5.1 QoS Class Edit	202
16.6 The Policer Setup Screen	206
16.6.1 Adding a QoS Policer	207
16.7 The QoS Monitor Screen	209
16.8 Technical Reference	210
Dynamic DNS Setup	217
17.1 Overview	217
17.1.1 What You Can Do in this Chapter	217
17.2 What You Need To Know	217
17.3 The Dynamic DNS Screen	218
Remote Management	221
18.1 Overview	221
18.1.1 What You Can Do in this Chapter	221
18.2 The TR-069 Screen	221
18.3 The TR-064 Screen	223
18.4 The Service Control Screen	224
18.5 The IP Address Screen	225
18.5.1 Adding an IP Address	226
Universal Plug-and-Play (UPnP)	227
19.1 Overview	227
19.1.1 What You Can Do in this Chapter	227
19.2 What You Need to Know	227
19.3 The UPnP Screen	228
19.4 Installing UPnP in Windows Example	229
19.5 Using UPnP in Windows XP Example	233
Parental Control	241
20.1 Overview	241
20.1.1 What You Can Do in this Chapter	241
20.2 The Time Restriction Screen	241
20.2.1 Adding a Schedule	242
20.3 The URL Filter Screen	243
20.3.1 Adding URL Filter	244
Interface Group	245
21.1 Overview	245
21.1.1 What You Can Do in this Chapter	245
21.2 The Interface Group Screen	245
21.2.1 Interface Group Configuration	247
21.2.2 Interface Grouping Criteria	249
Captive Portal	251
22.1 Overview	251
22.1.1 What You Can Do in this Chapter	251
22.2 The DNS Route Screen	251
System Settings	253
23.1 Overview	253
23.1.1 What You Can Do in this Chapter	253
23.2 The General Screen	253
23.3 The Time Setting Screen	255
Logs	259
24.1 Overview	259
24.1.1 What You Can Do in this Chapter	259
24.2 The View Log Screen	259
24.3 The Log Settings Screen	260
Tools	263
25.1 Overview	263
25.1.1 What You Can Do in this Chapter	263
25.2 The Firmware Screen	264
25.3 The Configuration Screen	266
25.4 The Restart Screen	268
Diagnostic	269
26.1 Overview	269
26.1.1 What You Can Do in this Chapter	269
26.2 What You Need to Know	269
26.3 The General Diagnostic Screen	270
26.4 The following table describes the fields in this screen.The 802.1ag Screen	271
26.5 The OAM Ping Test Screen	273
Troubleshooting	275
27.1 Power, Hardware Connections, and LEDs	275
27.2 Device Access and Login	276
27.3 Internet Access	277
27.4 Wireless LAN Troubleshooting	279
Product Specifications	281
28.1 Hardware Specifications	281
28.2 Firmware Specifications	281
28.3 Wireless Features	285
Setting Up Your Computer’s IP Address	287
Pop-up Windows, JavaScripts and Java Permissions	317
IP Addresses and Subnetting	327
Wireless LANs	339
IPv6	355
Common Services	367
Open Software Announcements	371
Legal Information	391

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Chapter 8 Network Address Translation (NAT)

P-870HN-5xb User’s Guide

151

The following table describes the labels in this screen.

8.4

The Trigger Port Screen

Some services use a dedicated range of ports on the client side and a dedicated

range of ports on the server side. With regular port forwarding you set a

forwarding port in NAT to forward a service (coming in from the server on the

WAN) to the IP address of a computer on the client side (LAN). The problem is

that port forwarding only forwards a service to a single LAN IP address. In order to

use the same service on a different LAN computer, you have to manually replace

the LAN computer's IP address in the forwarding port with another LAN

computer's IP address.

Table 41

Port Forwarding Edit

LABEL

DESCRIPTION

Active

Clear the check box to disable the rule. Select the check box to enable it.

This field is not editable if you are configuring a

User Define

rule.

Service Name

Enter a name to identify this rule. This field is read-only if you click the

Edit

icon in the

Port Forwarding

screen.

WAN Interface

Select a WAN interface for which you want to configure port forwarding

rules.

External Start

Port

Enter the original destination port for the packets.

To forward only one port, enter the port number again in the

External

End Port

field.

To forward a series of ports, enter the start port number here and the

end port number in the

External End Port

field.

External End

Port

Enter the last port of the original destination port range.

To forward only one port, enter the port number in the

External Start

Port

field above and then enter it again in this field.

To forward a series of ports, enter the last port number in a series that

begins with the port number in the

External Start Port

field above.

Internal Start

Port

Enter the port number here to which you want the Device to translate

the incoming port. For a range of ports, enter the first number of the

range to which you want the incoming ports translated.

Internal End

Port

Enter the last port of the translated port range.

Server IP

Address

Enter the inside IP address of the virtual server here.

Protocol

Select the protocol supported by this virtual server. Choices are

TCP

UDP

, or

TCP/UDP

Back

Click

Back

to return to the previous screen.

Apply

Click

Apply

to save your changes back to the Device.

Cancel

Click

Cancel

to begin configuring this screen afresh.