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How to Tell if Your Clients Support WPA2
You can check to see if all other clients that you plan to put on the network
support WPA2. You can do this by checking the manual that came with each
device or by checking the configuration software for the installed device.
Look under
Security
or
Encryption
or
Setup
or
Advanced Features
.
How to Configure Wireless Security for a RADIUS Server
If you have a Radius Server, select the WPA/WPA2 options without PSK.
To enable WPA and WPA2 without PSK, follow these steps:
1.)
Find the WPA-PSK Security Settings tab. If WPA-PSK is Enabled, select
Disabled from the WPA-PSK pulldown and click Save. (Note that
WPA-PSK is Disabled by default).
2.)
If WPA2-PSK is Enabled, select Disabled from the WPA2-PSK pulldown
and click Save. . (Note that WPA2-PSK is Enabled by default).
3.)
Select Enabled for WPA2. Do not click Save yet.
4.)
Enter the RADIUS Server Address and click Save.
5.)
Enter the RADIUS Port and click Save.
6.)
Enter the RADIUS Key and click Save.
7.)
If you want to enable WPA, select Enabled for WPA, and click Save.
8.)
If you want to enable WPA2, make sure Enabled is selected for WPA2,
and click Save.
9.)
If you want to disable WPA2, select Disabled for WPA2, and click Save.
10.)
Under Encryption, if you have enabled WPA, or WPA and WPA2,
select AES+TKIP. If you have enabled WPA2 only, select AES only.
11.)
Click Save.
Page 57 / 63
Troubleshooting Tips
What if I can’t make an Internet connection right after
installation?
•
First turn your MG7550 off for at least 8 seconds, then on, to see if that fixes
the problem.
•
Check the connections you’ve made to your MG7550. Power and coax
connections are required, and up to 4 Ethernet connections are optional.
Are those connections good?
•
Check that the MG7550’s power cube is plugged into a live outlet, and that
the Ethernet cable is connected securely to a computer.
•
Make sure that your coax cable is live. You can check that by using it with a
TV.
•
Check that you provided the correct setup information to your cable service
provider.
•
Contact your cable service provider to make sure they’ve turned on your
Internet service.
What if my MG7550 has been working then stops
working?
•
First turn your MG7550 off for at least 8 seconds, then on, to see if that fixes
the problem.
•
If the MG7550’s lights don’t come on, check that the modem is getting power
from its power cube and that the MG7550’s power button is on.
•
Check your MG7550 cables.
•
Check with your service provider. Sometimes there’s a service outage or
some other service issue.
Page 58 / 63
What if I’m getting Internet service but my speed is
disappointing?
•
Be sure you know what speed you’re paying for.
•
Check the speed with a computer connected to the modem via Ethernet.
Use one of the tools found when you search the phrase: broadband speed
test.
•
If you get good speed when a computer’s directly connected to the modem,
you may have a wireless problem. In that case, please re-read the wireless
router section.
•
Some video streaming services get bottlenecked, especially at busy times
like after dinner. See whether you have the speed problem at less busy
times.
•
Try connecting your MG7550 nearer to where the coaxial cable comes into
your home. This lets you see whether your home’s cabling is a problem.
•
If you’re using a splitter with your MG7550, try the MG7550 without the
splitter to see if that helps. If it does, you may need to get a better splitter.
What if I'm told that my MG7550 isn't approved by my
cable service provider?
That’s probably not true. Leading cable service providers have a list of
certified cable modems, and you can check the list for your service provider.
You can also find information about certifications at
www.motorolacable.com/services
What if I am connected wirelessly but my connection
seems slow or keeps dropping?
Please re-read the Wireless Router sections in this User Manual.
Page 59 / 63
What if I don’t know my MG7550’s Wireless Network
Names/SSIDs or Security Key/Password?
The default values are printed on the bottom label of the MG7550. Use these
unless you changed them. If you changed them, try to remember where you
saved copies of the new values. Alternatively, if you have a device that
connects wirelessly to the MG7550, it may show the Wireless Network
Name/SSID and Password. You can also find this information through the
MG7550’s Configuration Manager. Information about doing this is in the
Configuration Manager section above.
If all else fails, reset the device to factory defaults by holding the Reset
button for 10 seconds. You can then use the default values.
What if I think that wireless devices are interfering with
my MG7550 wireless router?
1.
Where possible, put the MG7550 as far away as possible from interfering
devices such as Bluetooth transmitters and neighbors’ Wi-Fi routers.
2.
To try to pick a less used wireless channel for your MG7550. First go in to
your MG7550’s Configuration Manager.
3.
Click the Advanced button at the top of the page, then click the Wireless
and Scan/Bridge menu items at the top of the page.
4.
Select the band you are having trouble with. Then click the
ScanWirelessAPs button. A list will appear of competing wireless networks,
including the channels they are using. Write down one or more of the less
used channel numbers. Less used channels should be better for your
MG7550.
5.
On the top of the page, click the Wireless Basic menu item.
6.
On the Basic page, select the band you are having trouble with, then
select a channel you noted above in the Channel pulldown, and then click
Save.
Page 60 / 63
Do you have any other questions? We have lots more information at
www.motorolacable.com/mentor

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