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Page 21 / 55 Scroll up to view Page 16 - 20
18
Setting Up: Advanced
Linksys E1550
5.
Click
Save Settings
°
How to connect to your corporate office
using a VPN
What is a VPN, and do I need to change my router settings?
A
VPN
(Virtual
Private Network) is a network that uses a public network, such as the Internet,
to provide secure communications between a remote computer and another
network° Corporations often provide VPN access to their networks to enable
employees to work from remote offices or while traveling° Most corporate VPNs
use the Internet to provide connectivity between remote employees and the
corporate network°
For a typical VPN, the corporation installs a VPN gateway on their corporate
network° Employees authorized to work remotely connect to the VPN gateway
through the Internet using VPN software and security methods provided by
their employers° Robust security and authentication schemes ensure a secure
connection and access by only authorized users°
The default VPN settings in your router have been configured to pass through
(allow) the most common types of VPN protocols, so usually no changes are
needed°
To change your VPN passthrough settings:
Security > VPN Passthrough
1.
Log into the browser-based utility (see “How to open the browser-based
utility” on page 14)°
2.
Click the
Security
tab, then click the
VPN Passthrough
page°
3.
Select each setting that you want to change°
TIP
For brief descriptions of the VPN passthrough field settings, click
Help
in the right side of the screen° More complete descriptions are
provided below°
•
IPSec Passthrough
–
IPSec
(Internet Protocol Security) is a suite of
protocols used to implement secure exchange of packets at the IP
layer° The VPN clients on the local network can establish an IPSec VPN
tunnel through the router° This option is enabled by default°
•
PPTP Passthrough
–
PPTP
(Point-to-Point Tunneling Protocol) allows
the
PPP
(Point-to-Point Protocol) to be tunneled through an IP network°
The VPN clients on the local network can establish a PPTP VPN tunnel
through the router° This option is enabled by default°
•
L2TP Passthrough
–
L2TP
(Layer 2 Tunneling Protocol) enables point-
to-point sessions using the Internet on the Layer 2 level° The VPN
clients on the local network can establish an L2TP VPN tunnel through
the router° This option is enabled by default°
4.
Click
Save Settings
to save your changes°
Page 22 / 55
19
Setting Up: Advanced
Linksys E1550
How to optimize your router for gaming
and voice
How does my router prioritize traffic to the Internet?
Your router has
QoS
(Quality of Service) settings that can prioritize traffic from your network out to
the Internet° Performance for demanding, real-time applications, such as online
gaming, VoIP calls, video streaming, and videoconferencing, can be improved
by configuring Internet access priorities°
QoS is applied only to traffic that is uploaded to the Internet° The router cannot
control the quality of the traffic after it reaches the Internet°
TIP
For more information on optimizing your router for online gaming,
see “Port Forwarding and Port Triggering” on page 39°
To configure QOS:
Applications & Gaming > QoS
1.
Log into the browser-based utility (see “How to open the browser-based
utility” on page 14)°
2.
Click the
Applications & Gaming
tab, then click the
QoS
page°
TIP
For field descriptions, click
Help
on the right side of the screen°
3.
To help manage traffic priority with devices that support WMM, select
Enabled
under
WMM Support
° Otherwise, select
Disabled
°
TIP
WMM
(Wi-Fi MultiMedia) Support is a wireless QoS feature based
on the IEEE 802°11e standard° WMM improves quality for audio,
video, and voice applications by prioritizing wireless traffic° This
feature requires that the wireless client devices in your network
also support WMM°
4.
To have the router re-send data if an error occurs, select
Disabled
under
No Acknowledgement
° Otherwise, select
Enabled
°
5.
To set access priorities for a specific device or application, select
Enabled
next to
Internet Access Priority
°
6.
In the
Category
drop-down list, select the type of item you want to set a
priority for° A list of installed items fitting that description appears°
TIP
Do not set all priorities to
High
, because all items will have the
same priority, and it would be easier to disable Internet Access
Priority for the same result°
•
Applications
and
Online Games
—Let you assign a priority for an
application or online game°
a)
Select the application or online game that you want to add from
the drop-down list, then select the priority°
b)
Click
Apply
, then click
Save Settings
°
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If you want to add a new application or game, you need to know
its port and protocol information (see the application or game’s
documentation for help)°
Page 23 / 55
20
Setting Up: Advanced
Linksys E1550
•
MAC Address
and
Voice Device
—Let you prioritize network traffic
based on the device that is accessing the network° For example, if you
want your gaming console to have higher priority than your computer
for accessing the Internet, you can assign a higher priority to your
game console using its MAC address° We recommend giving any voice
devices a high priority°
a)
Select
MAC Address
or
Voice Device
from the drop-down list,
then enter the name of the device you want to add°
b)
Enter the device’s 12-digit MAC address, then select the priority°
c)
Click
Apply
, then click
Save Settings
°
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You can often find a device’s 12-digit MAC address on the bottom
of the device° Or, if the device is connected to your network and
turned on, you can click the
Administration
tab in the router’s
browser-based utility, click the
Local Network
page, then click
DHCP Client Table
°
7.
Configure
Upstream Bandwidth
°
•
To allow the router to detect the maximum, select
Auto
(default)° Auto
sets speeds in multiples of 512 Kbps°
•
To specify the maximum, select
Manual
, then select the bandwidth
you want it to use°
CAUTION
If you specify a maximum bandwidth that is too high, the router
cannot apply priorities correctly, and QoS problems may result°
8.
When you are done setting priorities, click
Save Settings
°
How to remotely change your router
settings
Why would I want to remotely change my router settings?
There may be
times when you want to change parental control settings, or change settings
for remote file access, while you are away from home°
To set up remote access:
Administration > Management
1.
Log into the browser-based utility (see “How to open the browser-based
utility” on page 14)°
2.
Click the
Administration
tab, then click the
Management
page and
locate the
Remote Management Access
settings in the middle of the
screen°
3.
For
Remote Management
, select
Enabled
°
4.
For
Access via
, select
HTTP
(default) or select
HTTPS
to use
SSL
(Secure
Socket Layer) to encrypt data transmitted for higher security°
5.
To be able to upgrade your router’s firmware remotely, select
Enabled
next to
Remote Upgrade
°
6.
To allow remote access from anywhere on the Internet, select
Any IP
Address
(default) next to
Allowed Remote IP Address
° Otherwise, enter a
range of allowed IP addresses°
7.
For
Remote Management Port
, keep the setting of
8080
(default) unless
you already have a device on your network that uses port 8080 (such as
a web camera)°
8.
Click
Save Settings
at the bottom of the screen to accept your changes°
9.
Click the
Administration
tab, then click the
Management
page and take
note of the
Internet IP Address
and the
Remote Management Port
settings°
You will use this information to access your router remotely°
Page 24 / 55
21
Setting Up: Advanced
Linksys E1550
To access your router remotely:
1.
Open a web browser and enter the Internet address of your router, then
press
Enter
°
•
If you selected
HTTP
for your
Access via
setting, enter
http://
then the
IP address°
– OR –
•
If you selected
HTTPS
for your
Access via
setting above, enter
https://
then the IP address°
2.
Add a colon (
:
), then the
Remote Management Port
number° Example:
TIP
If you enabled the Dynamic Domain Name Service (see “How to
find your network on the Internet” on page 16), you could type in
your domain name in place of your router’s Internet IP address° For
example:
You are prompted for a user name and the password° Use the same login
information that you use to access your router at home°
After you have logged into your router’s browser-based utility remotely,
you can change any router setting, just as you would normally from your
local network°
How to enable Voice over IP on your
network
Do I need to configure Voice over IP?
VoIP
(Voice over Internet Protocol) is a
technology for using the Internet as an interface for telephone communications°
To use VoIP, you need to get an account with a VoIP service provider° The VoIP
service provider typically provides you with a telephone adapter (TA) that
connects to your network° If you do not use your network to make phone calls,
you don’t need to change the default settings°
The
SIP
(Session Initiation Protocol)
ALG
(Application Layer Gateway) feature
allows SIP packets, used by some VOIP service providers, to traverse (go
through) your router’s firewall°
To configure the router for VoIP:
Administration > Management
1.
Log into the browser-based utility (see “How to open the browser-based
utility” on page 14)°
2.
Click the
Administration
tab, then click the
Management
page°
3.
If your VoIP service uses SIP, select
Enabled
next to
SIP ALG
°
– OR –
If your VoIP service uses other NAT traversal solutions such as
STUN
(Session Traversal Utilities for NAT),
TURN
(Traversal Using Relay NAT), or
ICE
(Interactive Connectivity Establishment), select
Disabled
(default)°
NOTE
You may need to contact your VoIP service provider to determine
the type of NAT traversal configuration they use°
How to configure UPnP
What is UPnP?
UPnP
(Universal Plug and Play) allows devices connected
to a network to discover each other and automatically create working
configurations° Examples of UPnP-capable devices include web cameras,
online gaming applications, and VoIP devices° UPnP is enabled by default°
To configure UPnP:
Administration > Management
1.
Log into the browser-based utility (see “How to open the browser-based
utility” on page 14)°
2.
Click the
Administration
tab, then click the
Management
page°
3.
To use UPnP, select
Enabled
(default) next to
UPnP
° Otherwise, select
Disabled
°
4.
To allow changing router settings while using UPnP, select
Enabled
(default) next to
Allow Users to Configure
° Otherwise, select
Disabled
°
Page 25 / 55
22
Setting Up: Advanced
Linksys E1550
5.
To prevent local network users from disabling your Internet connection
through UPnP, select
Disabled
(default) next to
Allow Users to Disable
Internet Access
° Otherwise, select
Enabled
°
How to use a router as an access point
How can I use my old router as an access point?
If you have a large area to
cover with your wireless signal, or if part of your home has weak signals due to
interference, you can use your old router to extend the range of your wireless
network° This is a complex process, so this procedure assumes that you have
some networking knowledge°
TIP
Check the documentation for your old router° Some brands of
routers include either a switch on the outside of the case or a
software option to convert it to an access point° If either of these
options is available, follow your old router’s instructions to convert
it to an access point°
You need to take note of your new router’s settings, then apply some of those
settings to the old router so it can work as an access point°
To view your new router’s settings:
Wireless > Basic Wireless Settings
Wireless > Wireless Security
Status > Wireless Network
Setup > Basic Setup
1.
Make sure that your new router is connected to the Internet°
2.
In the browser-based utility, click the
Wireless
tab, then click the
Basic
Wireless Settings
page and take note of the
Network Name (SSID)
°
3.
Click the
Wireless
tab, then click the
Wireless Security
page and take
note of the
Security Mode
and the passphrase°
4.
Click the
Status
tab, then click the
Wireless Network
page and take note
of the
Channel
°
5.
Click the
Setup
tab, then click the
Basic Setup
page and take note of
the DHCP server’s IP Address range (192°168°1°100 to 192°168°1°149 by
default)
To use your old router as an access point:
1.
With your computer connected to your old router, log into its browser-
based administration utility°
NOTE
Save your changes after finishing each step below°
2.
Open the setup page for the local network (LAN)°
3.
In the
Router IP address
field, enter an unused IP address for the LAN
network of your new router°
For example, if your new router has an IP address of 192°168°1°1, you
should choose an IP address on the 192°168°1°0 network° You can choose
any address within the range of 192°168°1°2 to 192°168°1°254° You should
exclude addresses in the range that will be used by the DHCP Server of
your new router (192°168°1°100 to 192°168°1°149)° A safe choice might be
192°168°1°250° Take note of this address, because this will be the address
that you will use to manage your old router in the future°
4.
In the
Subnet Mask
field, enter
255.255.255.0
or, if available, select that
subnet mask from a drop-down list°
5.
Disable the DHCP server on your old router° (Because your old router will
be operating as an access point instead of a router, you don’t want it to
distribute IP addresses° There should be only one active DHCP server on
your network, and that should be your new router°)
6.
To reconfigure the wireless network on your old router:
a.
Open the wireless network setup page°
b.
Change the network name (SSID) to match the name of your new
network° Having the same network name and security settings
enables you to seamlessly roam between your new router and your
old router°
c.
Change the security mode to match the security mode on your new
router°
d.
Change the passphrase (sometimes called the pre-shared key) on
your old router to match the passphrase on your new router°

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