Port Forwarding And Port Triggering; Remote Computer Access Basics - NETGEAR N600 JNDR3000 User Manual

N600 wireless dual band router
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Leave the check box cleared if you prefer wireless clients to be able to associate with the
repeater.
In the Base Station MAC Address field, enter the MAC addresses for the access point that
should function as the base station.
8.
Click the Apply button.
Your changes are saved.
9.
Verify connectivity across the LANs.
A computer on any wireless or wired LAN segment of the router connects to the Internet
or shares files and printers with any other wireless or wired computer or server connected
to the other access point.

Port Forwarding and Port Triggering

By default, the router blocks inbound traffic from the Internet to your computers except replies
to your outbound traffic. You might need to create exceptions to this rule for these purposes:
To allow remote computers on the Internet to access a server on your local network.
To allow certain applications and games to work correctly when their replies are not
recognized by your router.
Your router provides two features for creating these exceptions: port forwarding and port
triggering. The next sections provide background information to help you understand how
port forwarding and port triggering work, and the differences between the two.

Remote Computer Access Basics

When a computer on your network needs to access a computer on the Internet, your
computer sends your router a message containing the source and destination address and
process information. Before forwarding your message to the remote computer, your router
has to modify the source information and create and track the communication session so that
replies can be routed back to your computer.
Here is an example of normal outbound traffic and the resulting inbound responses:
1.
You open a browser, and your operating system assigns port number 5678 to this
browser session.
2.
You type http://www.example.com into the URL field, and your computer creates a web
page request message with the following address and port information.
The request message is sent to your router.
Source address. Your computer's IP address.
Source port number. 5678, which is the browser session.
Destination address. The IP address of www.example.com, which your computer
finds by asking a DNS server.
N600 Wireless Dual Band Router JNDR3000
Advanced Settings
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