Networking, Security & Cloud Knowledge

Wednesday, December 26, 2012

Wireless AP role


Understanding Access point role.

Table 1 Role and Association Matrix

Root Access Point
Root Bridge (without Wireless Clients)
Non-root Bridge
Non-root Bridge with Wireless Clients
Workgroup Bridge
Root Access Point




X
Root Bridge


X
X
X
Non-root Bridge without Wireless Clients

X

X

Non-root Bridge with Wireless Clients

X
X


Workgroup Bridge
X
X



Universal Workgroup Bridge
X
X






Access Point Role:

·         In the access point role the router accepts associations from wireless clients and non-root devices, such as a non-root bridge

Root Access Point: If the access point provides its clients a connection to a wired network through a wired connection it is said to be a root access point.

·         A device in root mode accepts associations with non-root devices, such as a non-root bridge.


Bridge Role

Wireless bridges provide higher data rates and superior throughput for data-intensive and line of sight applications. High-speed links between the wireless bridges deliver throughput that is many times faster than the E1/T1 lines for a fraction of the cost. In this way, wireless bridges eliminate the need for expensive leased lines and fiber-optic cables.

The wireless bridge can link LANs either through the wired interface or through the wireless interface.

Wireless bridges can be configured for point-to-point and point-to-multipoint applications.


Root Bridge: The station-role root bridge mode accepts associations with non-root bridge devices and can be set to

accept wireless clients. For example:

wd(config)#interface dot11radio interfacenumber

wd(config-in)#station-role root bridge wireless-clients

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