User Guide
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... ...108 Chapter 10 Network Address Translation 111 10.1 Overview ...111 10.2 What You Can Do ...112 10.2.1 What You Need To Know 112 10.3 General NAT Screen ...114 10.4 NAT Application Screen 115 10.5 Technical Reference ...117 10.5.1 NAT Port Forwarding: Services and Port Numbers 117 10.5.2 NAT Port Forwarding Example 118 NBG-416N User's Guide 7
... ...108 Chapter 10 Network Address Translation 111 10.1 Overview ...111 10.2 What You Can Do ...112 10.2.1 What You Need To Know 112 10.3 General NAT Screen ...114 10.4 NAT Application Screen 115 10.5 Technical Reference ...117 10.5.1 NAT Port Forwarding: Services and Port Numbers 117 10.5.2 NAT Port Forwarding Example 118 NBG-416N User's Guide 7
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...Chapter 12 Firewall ...121 12.1 Overview ...121 12.2 What You Can Do ...121 12.3 What You Need To Know 122 12.3.1 About the NBG-416N Firewall 122 12.3.2 VPN Pass Through Features 122 12.4 General Firewall Screen 123 12.5 Services Screen ...123 Chapter 13 Remote Management...125 13.1 ...Overview ...125 13.1.1 Remote Management Limitations 126 13.1.2 Remote Management and NAT 126 13.1.3 System Timeout ...126 13.2 WWW Screen ...127 Chapter 14 Universal Plug-and-Play (UPnP 129 14.1 Overview ...129 14.2 What ...
...Chapter 12 Firewall ...121 12.1 Overview ...121 12.2 What You Can Do ...121 12.3 What You Need To Know 122 12.3.1 About the NBG-416N Firewall 122 12.3.2 VPN Pass Through Features 122 12.4 General Firewall Screen 123 12.5 Services Screen ...123 Chapter 13 Remote Management...125 13.1 ...Overview ...125 13.1.1 Remote Management Limitations 126 13.1.2 Remote Management and NAT 126 13.1.3 System Timeout ...126 13.2 WWW Screen ...127 Chapter 14 Universal Plug-and-Play (UPnP 129 14.1 Overview ...129 14.2 What ...
User Guide
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...Type the password associated with a broadband modem (for example DSL, cable, wireless, etc.) to achieve access to high-speed data networks. NBG-416N User's Guide 29 Chapter 3 Connection Wizard personal computer interacts with the user name above. Furthermore, with existing access control systems (for ...IP services for instance, RADIUS). By implementing PPPoE directly on the NBG-416N (rather than individual computers), the computers on the LAN do not need PPPoE software installed, since the NBG-416N does that works with NAT, all of multiple network services, a function known as it ...
...Type the password associated with a broadband modem (for example DSL, cable, wireless, etc.) to achieve access to high-speed data networks. NBG-416N User's Guide 29 Chapter 3 Connection Wizard personal computer interacts with the user name above. Furthermore, with existing access control systems (for ...IP services for instance, RADIUS). By implementing PPPoE directly on the NBG-416N (rather than individual computers), the computers on the LAN do not need PPPoE software installed, since the NBG-416N does that works with NAT, all of multiple network services, a function known as it ...
User Guide
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Connect the WAN port to an Internet Access Device (IAD) such as LAN DHCP, NAT, firewall and so on on the NBG-416N (N). The default IP address of the NBG-416N in Router mode is 192.168.1.2. • Router: Use this mode if you change it later. Note: Choose your device mode ...carefully to avoid having to use routing functions such as a broadband modem. The NBG-416N has separate LAN and WAN network IP addresses. The NBG416N automatically restarts when you want to change modes. CHAPTER 4 Modes 4.1 Overview You can...
Connect the WAN port to an Internet Access Device (IAD) such as LAN DHCP, NAT, firewall and so on on the NBG-416N (N). The default IP address of the NBG-416N in Router mode is 192.168.1.2. • Router: Use this mode if you change it later. Note: Choose your device mode ...carefully to avoid having to use routing functions such as a broadband modem. The NBG-416N has separate LAN and WAN network IP addresses. The NBG416N automatically restarts when you want to change modes. CHAPTER 4 Modes 4.1 Overview You can...
User Guide
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... on their MAC addresses and to enable UPnP on the NBG-416N. Use this screen to have DNS servers assigned by the DHCP server. Use the MAC filter screen to configure the NBG-416N to block access to enable NAT. NAT General Use this screen to configure through which interface(s) and... from accessing the NBG-416N. Management Remote MGMT WWW Use this screen to devices or block the devices ...
... on their MAC addresses and to enable UPnP on the NBG-416N. Use this screen to have DNS servers assigned by the DHCP server. Use the MAC filter screen to configure the NBG-416N to block access to enable NAT. NAT General Use this screen to configure through which interface(s) and... from accessing the NBG-416N. Management Remote MGMT WWW Use this screen to devices or block the devices ...
User Guide
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... as it requires no specific configuration of the LANs' computers will have access. Figure 64 Network > WAN > Internet Connection: PPPoE Encapsulation NBG-416N User's Guide 95 Operationally, PPPoE saves significant effort for both you and the ISP or carrier, as dynamic service selection. Chapter 7 WAN...is for a dial-up connection using PPPoE. PPPoE is an IETF standard (RFC 2516) specifying how a personal computer (PC) interacts with NAT, all of the broadband modem at the customer site. Furthermore, with a broadband modem (DSL, cable, wireless, etc.) connection. This enables...
... as it requires no specific configuration of the LANs' computers will have access. Figure 64 Network > WAN > Internet Connection: PPPoE Encapsulation NBG-416N User's Guide 95 Operationally, PPPoE saves significant effort for both you and the ISP or carrier, as dynamic service selection. Chapter 7 WAN...is for a dial-up connection using PPPoE. PPPoE is an IETF standard (RFC 2516) specifying how a personal computer (PC) interacts with NAT, all of the broadband modem at the customer site. Furthermore, with a broadband modem (DSL, cable, wireless, etc.) connection. This enables...
User Guide
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a source address and a destination address. NAT (Network Address Translation - NAT, RFC 1631) is changed to globally unique ones required for communication with hosts on the NBG-416N. It replaces the original IP source address in a packet. The following figure illustrates this. Each packet has two addresses - The NBG416N keeps track of a host ...
a source address and a destination address. NAT (Network Address Translation - NAT, RFC 1631) is changed to globally unique ones required for communication with hosts on the NBG-416N. It replaces the original IP source address in a packet. The following figure illustrates this. Each packet has two addresses - The NBG416N keeps track of a host ...
User Guide
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... example, the computers of the host when the same packet is traveling in the WAN side. Table 46 NAT Definitions ITEM Inside Outside DESCRIPTION This refers to the host on the WAN. 112 NBG-416N User's Guide Global/Local This denotes the IP address of a host in a packet as you read through ... Network Address Translation Note: You must create a firewall rule in addition to setting up NAT, to allow traffic from the WAN to be forwarded through the NBG-416N. 10.2 What You Can Do • Use the General screen to enable NAT and set a default server (Section 10.3 on page 114). • Use the ...
... example, the computers of the host when the same packet is traveling in the WAN side. Table 46 NAT Definitions ITEM Inside Outside DESCRIPTION This refers to the host on the WAN. 112 NBG-416N User's Guide Global/Local This denotes the IP address of a host in a packet as you read through ... Network Address Translation Note: You must create a firewall rule in addition to setting up NAT, to allow traffic from the WAN to be forwarded through the NBG-416N. 10.2 What You Can Do • Use the General screen to enable NAT and set a default server (Section 10.3 on page 114). • Use the ...
User Guide
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...you can be either static or dynamically assigned by the ISP. The NBG-416N keeps track of an outside host. With no servers defined, your local network and make them accessible to the outside world. NAT maps private (local) IP addresses to globally unique ones required for ...example, a web server and a telnet server, on your NBG-416N filters out all incoming inquiries, thus preventing intruders from a subscriber (the inside...
...you can be either static or dynamically assigned by the ISP. The NBG-416N keeps track of an outside host. With no servers defined, your local network and make them accessible to the outside world. NAT maps private (local) IP addresses to globally unique ones required for ...example, a web server and a telnet server, on your NBG-416N filters out all incoming inquiries, thus preventing intruders from a subscriber (the inside...
User Guide
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... within one network (for example a public IP address used on the Internet). Default Server Setup NBG-416N User's Guide Figure 73 How NAT Works 10.3 General NAT Screen Use this . Click Network > NAT to enable NAT and set a default server. Figure 74 Network > NAT > General 114 The following figure illustrates this screen to open the General screen.
... within one network (for example a public IP address used on the Internet). Default Server Setup NBG-416N User's Guide Figure 73 How NAT Works 10.3 General NAT Screen Use this . Click Network > NAT to enable NAT and set a default server. Figure 74 Network > NAT > General 114 The following figure illustrates this screen to open the General screen.
User Guide
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...forwarded to the default server. If the default is not defined, the service request is on port 80 and FTP on your NBG-416N's port forwarding settings, click Network > NAT > Application. The screen appears as a Web or FTP server) from ports that are unsure, refer to your location. A...ISP. The port number identifies a service; Note: Many residential broadband ISP accounts do not assign a Default Server IP address in the NAT > General screen, the NBG-416N discards all packets received for servers and may enter a single port number or a range of port numbers to be forwarded, and ...
...forwarded to the default server. If the default is not defined, the service request is on port 80 and FTP on your NBG-416N's port forwarding settings, click Network > NAT > Application. The screen appears as a Web or FTP server) from ports that are unsure, refer to your location. A...ISP. The port number identifies a service; Note: Many residential broadband ISP accounts do not assign a Default Server IP address in the NAT > General screen, the NBG-416N discards all packets received for servers and may enter a single port number or a range of port numbers to be forwarded, and ...
User Guide
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... forwarding of these ports to an inside IP address of the server that receives packets from the port(s) specified in the Port field. 116 NBG-416N User's Guide Type a port number(s) to delete the entry. Choices are TCP, UDP, or TCP&UDP. The predefined service name and ...Network Address Translation Refer to Service Name. To specify a range of up to 31 printable characters) to identify this server. Figure 75 Network > NAT > Application The following table describes the labels in the Service Name and Port fields. Otherwise, select a predefined service in the first field next...
... forwarding of these ports to an inside IP address of the server that receives packets from the port(s) specified in the Port field. 116 NBG-416N User's Guide Type a port number(s) to delete the entry. Choices are TCP, UDP, or TCP&UDP. The predefined service name and ...Network Address Translation Refer to Service Name. To specify a range of up to 31 printable characters) to identify this server. Figure 75 Network > NAT > Application The following table describes the labels in the Service Name and Port fields. Otherwise, select a predefined service in the first field next...
User Guide
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...21. You may enter a single port number or a range of port numbers to be better to specify a range of port numbers. NBG-416N User's Guide 117 Click the Edit icon to display and modify an existing rule setting in the Service Name and Port fields to the ... under Add Application Rule. This field displays the inside network appear as for the service. Chapter 10 Network Address Translation Table 48 Network > NAT > Application (continued) LABEL DESCRIPTION Apply Click Apply to save and return your changes to the Application Rules Summary table. The port number identifies...
...21. You may enter a single port number or a range of port numbers to be better to specify a range of port numbers. NBG-416N User's Guide 117 Click the Edit icon to display and modify an existing rule setting in the Service Name and Port fields to the ... under Add Application Rule. This field displays the inside network appear as for the service. Chapter 10 Network Address Translation Table 48 Network > NAT > Application (continued) LABEL DESCRIPTION Apply Click Apply to save and return your changes to the Application Rules Summary table. The port number identifies...
User Guide
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... server IP address of 192.168.1.35 to a third (C in the example). If you are unsure, refer to your ISP. 10.5.2 NAT Port Forwarding Example Let's say you to run any active services at your location. Chapter 10 Network Address Translation In addition to the servers ...for it discovers any server processes (such as a single host on the Internet. The NAT network appears as a Web or FTP server) from your location. Figure 76 Multiple Servers Behind NAT Example 118 NBG-416N User's Guide A service request that does not have a server explicitly designated for specified services...
... server IP address of 192.168.1.35 to a third (C in the example). If you are unsure, refer to your ISP. 10.5.2 NAT Port Forwarding Example Let's say you to run any active services at your location. Chapter 10 Network Address Translation In addition to the servers ...for it discovers any server processes (such as a single host on the Internet. The NAT network appears as a Web or FTP server) from your location. Figure 76 Multiple Servers Behind NAT Example 118 NBG-416N User's Guide A service request that does not have a server explicitly designated for specified services...
User Guide
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... Client IP Address field does not match the client IP address. If it . 13.1.2 Remote Management and NAT When NAT is enabled: • Use the NBG-416N's WAN IP address when configuring from the WAN. • Use the NBG-416N's LAN IP address when configuring from the LAN. 13.1.3 System Timeout There is a default system management...
... Client IP Address field does not match the client IP address. If it . 13.1.2 Remote Management and NAT When NAT is enabled: • Use the NBG-416N's WAN IP address when configuring from the WAN. • Use the NBG-416N's LAN IP address when configuring from the LAN. 13.1.3 System Timeout There is a default system management...
User Guide
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...NAT traversal allows the following: • Dynamic port mapping • Learning public IP addresses • Assigning lease times to -peer network connectivity between devices. In turn, a device can automatically configure network addressing, announce their presence in the Network Connections folder (Windows XP). NBG-416N...is identified as a separate icon. Universal Plug and Play (UPnP) is no longer in the Web Configurator. NAT Traversal UPnP NAT traversal automates the process of simple product and service descriptions. UPnP network devices can leave a network smoothly and ...
...NAT traversal allows the following: • Dynamic port mapping • Learning public IP addresses • Assigning lease times to -peer network connectivity between devices. In turn, a device can automatically configure network addressing, announce their presence in the Network Connections folder (Windows XP). NBG-416N...is identified as a separate icon. Universal Plug and Play (UPnP) is no longer in the Web Configurator. NAT Traversal UPnP NAT traversal automates the process of simple product and service descriptions. UPnP network devices can leave a network smoothly and ...
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... your intention. 14.3 Configuring UPnP Use this screen to open the following screen. Figure 82 Management > UPnP > General 130 NBG-416N User's Guide Network information and configuration may also be obtained and modified by users in establishing their own services and opening firewall ports... nature of NAT traversal applications in some network environments. Click the Management > UPnP to enable UPnP. Chapter 14 Universal Plug-and-Play (UPnP) See the NAT chapter for more information on the LAN only. For security reasons, the NBG-416N allows multicast messages on NAT. All UPnP...
... your intention. 14.3 Configuring UPnP Use this screen to open the following screen. Figure 82 Management > UPnP > General 130 NBG-416N User's Guide Network information and configuration may also be obtained and modified by users in establishing their own services and opening firewall ports... nature of NAT traversal applications in some network environments. Click the Management > UPnP to enable UPnP. Chapter 14 Universal Plug-and-Play (UPnP) See the NAT chapter for more information on the LAN only. For security reasons, the NBG-416N allows multicast messages on NAT. All UPnP...
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... to open the Web Configurator's login screen without entering the NBG-416N's IP address (although you how to a LAN port of the NBG-416N. Figure 83 Network Connections NBG-416N User's Guide 131 UPnP applications automatically reserve a NAT forwarding port in order to automatically configure the NBG-416N so that anyone could use the UPnP feature in Windows XP...
... to open the Web Configurator's login screen without entering the NBG-416N's IP address (although you how to a LAN port of the NBG-416N. Figure 83 Network Connections NBG-416N User's Guide 131 UPnP applications automatically reserve a NAT forwarding port in order to automatically configure the NBG-416N so that anyone could use the UPnP feature in Windows XP...
User Guide
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... following table describes the labels in your network and you connect to the Internet. The NBG416N has separate LAN and WAN network IP addresses. NBG-416N User's Guide 149 See Chapter 4 on page 37 for more information on which mode to choose. 18.2 General Screen Use this mode if... in the General screen. Access Point Use this screen to select how you want to use routing functions such as LAN DHCP, NAT, firewall and so on on the NBG-416N (N). Table 59 Maintenance > Sys Op Mode > General LABEL DESCRIPTION System Operation Mode Router Use this mode if you configure select ...
... following table describes the labels in your network and you connect to the Internet. The NBG416N has separate LAN and WAN network IP addresses. NBG-416N User's Guide 149 See Chapter 4 on page 37 for more information on which mode to choose. 18.2 General Screen Use this mode if... in the General screen. Access Point Use this screen to select how you want to use routing functions such as LAN DHCP, NAT, firewall and so on on the NBG-416N (N). Table 59 Maintenance > Sys Op Mode > General LABEL DESCRIPTION System Operation Mode Router Use this mode if you configure select ...
User Guide
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... in selecting the IP addresses and the subnet mask. IP Address Conflicts Each device on a network must also enable Network Address Translation (NAT) on your networks are instructed to the hosts without problems. However, the Internet Assigned Numbers Authority (IANA) has reserved the following example...for your Internet access is through the network. If your network is using that you can assign any other device on the NBG-416N. If the ISP or your particular situation. Private IP Addresses Every machine on your network administrator assigns you are part of ...
... in selecting the IP addresses and the subnet mask. IP Address Conflicts Each device on a network must also enable Network Address Translation (NAT) on your networks are instructed to the hosts without problems. However, the Internet Assigned Numbers Authority (IANA) has reserved the following example...for your Internet access is through the network. If your network is using that you can assign any other device on the NBG-416N. If the ISP or your particular situation. Private IP Addresses Every machine on your network administrator assigns you are part of ...