Dell PowerConnect W-IAP92 Dell Instant 6.1.3.4-3.1.0.0 User Guide - Page 43

Wireless Network, Network Types, Employee Network

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Chapter 3 Wireless Network In a Wireless LAN (WLAN), laptops, desktops, PDAs, and other computer peripherals are connected to each other without any network cables. These network elements or clients use radio signals to communicate with each other. Wireless networks are set up based on the IEEE 802.11 standards. The IEEE 802.11 is a set of standards that are categorized based on the radio wave frequency and the data transfer rate. For more information about the IEEE 802.11 standards, see Table 4. Table 4 IEEE 802.11 Standards IEEE Network Standard Frequency Used (in GHz) Maximum Data Transfer Rate (in Mbps) 802.11a 802.11b 802.11g 802.11n 5.0 54 2.4 11 2.4 54 2.4 or 5.0 300 During start up, a wireless client searches for radio signals or beacon frames that originate from the nearest IAP. After locating the IAP, the following transactions take place between the client and the IAP: 1. Authentication- The IAP communicates with a RADIUS server to validate or authenticate the client. 2. Connection- After successful authentication, the client establishes a connection with the IAP. Network Types Dell Instant wireless networks are categorized as:  Employee Network  Voice Network  Guest Network NOTE: When a client is associated to the Voice network, all data traffic is marked and placed into the high priority queue in QoS (Quality of Service). QoS refers to the capability of a network to provide better service to selected network traffic over various technologies. Employee Network An Employee network is a classic Wi-Fi network. This network type is supported with full customization on Dell Instant. It is used by the employees in the organization. Passphrase based or 802.1X based authentication methods are supported on this network type. Employees can access the protected data of an enterprise through the employee network after successful authentication. Dell PowerConnect W-Series Instant Access Point 6.1.3.4-3.1.0.0 | User Guide Wireless Network | 43

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Dell PowerConnect W-Series Instant Access Point 6.1.3.4-3.1.0.0
|
User Guide
Wireless Network
|
43
Chapter 3
Wireless Network
In a Wireless LAN (WLAN), laptops, desktops, PDAs, and other computer peripherals are connected to each
other without any network cables. These network elements or clients use radio signals to communicate with each
other. Wireless networks are set up based on the IEEE 802.11 standards. The IEEE 802.11 is a set of standards
that are categorized based on the radio wave frequency and the data transfer rate. For more information about
the IEEE 802.11 standards, see
Table 4
.
During start up, a wireless client searches for radio signals or beacon frames that originate from the nearest IAP.
After locating the IAP, the following transactions take place between the client and the IAP:
1.
Authentication— The IAP communicates with a RADIUS server to validate or authenticate the client.
2.
Connection— After successful authentication, the client establishes a connection with the IAP.
Network Types
Dell Instant wireless networks are categorized as:
Employee Network
Voice Network
Guest Network
Employee Network
An Employee network is a classic Wi-Fi network. This network type is supported with full customization on Dell
Instant. It is used by the employees in the organization. Passphrase based or 802.1X based authentication
methods are supported on this network type. Employees can access the protected data of an enterprise through
the employee network after successful authentication.
Table 4
IEEE 802.11 Standards
IEEE Network Standard
Frequency Used (in GHz)
Maximum Data Transfer Rate
(in Mbps)
802.11a
5.0
54
802.11b
2.4
11
802.11g
2.4
54
802.11n
2.4 or 5.0
300
NOTE:
When a client is associated to the Voice network, all data traffic is marked and placed into the high priority queue in QoS
(Quality of Service). QoS refers to the capability of a network to provide better service to selected network traffic over various
technologies.