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Page 176 / 251 Scroll up to view Page 171 - 175
Vigor2920 Series User’s Guide
166
4.10 Certificate Management
A digital certificate works as an electronic ID, which is issued by a certification authority
(CA). It contains information such as your name, a serial number, expiration dates etc., and the
digital signature of the certificate-issuing authority so that a recipient can verify that the
certificate is real. Here Vigor router support digital certificates conforming to standard X.509.
Any entity wants to utilize digital certificates should first request a certificate issued by a CA
server. It should also retrieve certificates of other trusted CA servers so it can authenticate the
peer with certificates issued by those trusted CA servers.
Here you can manage generate and manage the local digital certificates, and set trusted CA
certificates. Remember to adjust the time of Vigor router before using the certificate so that
you can get the correct valid period of certificate.
Below shows the menu items for Certificate Management.
4.10.1 Local Certificate
Generate
Click this button to open
Generate Certificate Request
window.
VoIPon
www.voipon.co.uk
Tel: +44 (0)1245 808195
Fax: +44 (0)1245 808299
Page 177 / 251
Vigor2920 Series User’s Guide
167
Type in all the information that the window requests. Then click
Generate
again.
Import
Click this button to import a saved file as the certification
information.
Refresh
Click this button to refresh the information listed below.
View
Click this button to view the detailed settings for certificate
request.
After clicking
Generate
, the generated information will be displayed on the window below:
VoIPon
www.voipon.co.uk
Tel: +44 (0)1245 808195
Fax: +44 (0)1245 808299
Page 178 / 251
Vigor2920 Series User’s Guide
168
4.10.2 Trusted CA Certificate
Trusted CA certificate lists three sets of trusted CA certificate.
To import a pre-saved trusted CA certificate, please click
IMPORT
to open the following
window. Use
Browse…
to find out the saved text file. Then click
Import
. The one you
imported will be listed on the Trusted CA Certificate window. Then click
Import
to use the
pre-saved file.
For viewing each trusted CA certificate, click
View
to open the certificate detail information
window. If you want to delete a CA certificate, choose the one and click
Delete
to remove all
the certificate information.
VoIPon
www.voipon.co.uk
Tel: +44 (0)1245 808195
Fax: +44 (0)1245 808299
Page 179 / 251
Vigor2920 Series User’s Guide
169
4.10.3 Certificate Backup
Local certificate and Trusted CA certificate for this router can be saved within one file. Please
click
Backup
on the following screen to save them. If you want to set encryption password for
these certificates, please type characters in both fields of
Encrypt password
and
Retype
password
.
Also, you can use
Restore
to retrieve these two settings to the router whenever you want.
4.11 Wireless LAN
This function is used for “n” models only.
4.11.1 Basic Concepts
Over recent years, the market for wireless communications has enjoyed tremendous growth.
Wireless technology now reaches or is capable of reaching virtually every location on the
surface of the earth. Hundreds of millions of people exchange information every day via
wireless communication products. The Vigor “n” model, a.k.a. Vigor wireless router, is
designed for maximum flexibility and efficiency of a small office/home. Any authorized staff
can bring a built-in WLAN client PDA or notebook into a meeting room for conference
without laying a clot of LAN cable or drilling holes everywhere. Wireless LAN enables high
mobility so WLAN users can simultaneously access all LAN facilities just like on a wired
LAN as well as Internet access.
The Vigor wireless routers are equipped with a wireless LAN interface compliant with the
standard IEEE 802.11n draft 2 protocol. To boost its performance further, the Vigor Router is
also loaded with advanced wireless technology to lift up data rate up to 300 Mbps*. Hence,
you can finally smoothly enjoy stream music and video.
Note
:
*
The actual data throughput will vary according to the network conditions and
environmental factors, including volume of network traffic, network overhead and
building materials.
In an Infrastructure Mode of wireless network, Vigor wireless router plays a role as an Access
Point (AP) connecting to lots of wireless clients or Stations (STA). All the STAs will share the
same Internet connection via Vigor wireless router. The
General Settings
will set up the
information of this wireless network, including its SSID as identification, located channel etc.
VoIPon
www.voipon.co.uk
Tel: +44 (0)1245 808195
Fax: +44 (0)1245 808299
Page 180 / 251
Vigor2920 Series User’s Guide
170
Multiple SSIDs
Vigor router supports four SSID settings for wireless connections. Each SSID can be defined
with different name and download/upload rate for selecting by stations connected to the router
wirelessly.
Security Overview
Real-time Hardware Encryption:
Vigor Router is equipped with a hardware AES encryption
engine so it can apply the highest protection to your data without influencing user experience.
Complete Security Standard Selection:
To ensure the security and privacy of your wireless
communication, we provide several prevailing standards on market.
WEP (Wired Equivalent Privacy) is a legacy method to encrypt each frame transmitted via
radio using either a 64-bit or 128-bit key. Usually access point will preset a set of four keys
and it will communicate with each station using only one out of the four keys.
WPA (Wi-Fi Protected Access), the most dominating security mechanism in industry, is
separated into two categories: WPA-personal or called WPA Pre-Share Key (WPA/PSK), and
WPA-Enterprise or called WPA/802.1x.
In WPA-Personal, a pre-defined key is used for encryption during data transmission. WPA
applies Temporal Key Integrity Protocol (TKIP) for data encryption while WPA2 applies AES.
The WPA-Enterprise combines not only encryption but also authentication.
Since WEP has been proved vulnerable, you may consider using WPA for the most secure
connection. You should select the appropriate security mechanism according to your needs.
No matter which security suite you select, they all will enhance the over-the-air data
protection and /or privacy on your wireless network. The Vigor wireless router is very flexible
and can support multiple secure connections with both WEP and WPA at the same time.
Separate the Wireless and the Wired LAN- WLAN Isolation
enables you to isolate your
wireless LAN from wired LAN for either quarantine or limit access reasons. To isolate means
neither of the parties can access each other. To elaborate an example for business use, you
may set up a wireless LAN for visitors only so they can connect to Internet without hassle of
VoIPon
www.voipon.co.uk
Tel: +44 (0)1245 808195
Fax: +44 (0)1245 808299

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