Cisco E1550 User's Guide download pdf (Page 42)

Port Forwarding and Port Triggering

Linksys E1550

How to set up port forwarding

Why would I use port forwarding? Port forwarding is a feature that forwards

inbound traffic from the Internet on a specific port or ports to a specific device

or port on your local network. You can set up port forwarding for:

• A single port (see “How to set up port forwarding for a single port” below)

• Multiple ports (see “How to set up port forwarding for multiple ports” on

page 40)

• A range of ports (see “How to set up port forwarding for a range of ports”

on page 40)

How to set up port forwarding for a single port

Why would I use port forwarding for a single port? Single port forwarding

is a feature that forwards inbound traffic from the Internet on a specific port to

a single device on your local network. An example of single port forwarding

would be to forward inbound web requests, typically on port 80, to a web

server.

To set up single port forwarding:

Applications & Gaming > Single Port Forwarding

Follow your device’s instructions for configuring it with a static IP address

or use DHCP reservation to assign it a permanent address (see “How to

set up the DHCP server on your router” on page 15).

Log into the browser-based utility (see “How to open the browser-based

utility” on page 14).

Click the Applications & Gaming tab, then click the Single Port

Forwarding page.

Select the type of application from the Application Name drop-down

list. One of the more common types to select is HTTP, but see your

device’s documentation for recommendations.

In the To IP Address field, enter the last three digits of the IP address you

have reserved for the computer you want to forward Internet traffic to.

The rest of the IP address has already been completed for you.

Select Enabled next to the IP Address field.

Click Save Changes at the bottom of the screen.

TIP

For other devices not included in the Application Name drop-

down list, see the device’s documentation for port and protocol

information.

Port Forwarding and Port Triggering

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Cisco E1550 User's Guide Page 42