Wireless Modes.

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Presentation transcript:

Wireless Modes

Wireless Modes AP mode Client mode Client Bridged mode Repeater Repeater bridge Ad-Hoc mode

Wireless Modes AP mode The default Most common mode for all wireless routers Also called Infrastructure mode. Router acts as an central connection point to which wireless clients can connect

Wireless Modes Client mode Radio interface is used to connect the internet- facing side of the router (i.e., the WAN) as a client to a remote access point NAT or routing are performed between WAN and LAN, like in "normal" gateway or router mode Use this mode, e.g., if your internet connection is provided by a remote access point, and you want to connect a subnet of your own to it

Wireless Modes Client Bridged mode The radio interface is used to connect the LAN side of the router to a remote access point The LAN and the remote AP will be in the same subnet Called a "bridge" between two network segments WAN side of the router is unused Can be disabled. Use this mode, e.g., to make the router act as a "WLAN adapter" for a device connected to one of its LAN Ethernet ports

Wireless Modes Repeater A repeater simply regenerates a network signal in order to extend the range of the existing network infrastructure A WLAN repeater does not physically connect by wire to any part of the network Instead, it receives radio signals (802.11 frames) from an access point, end user device, or another repeater and retransmits the frames Makes it possible for a repeater located in between an access point and distant user to act as a relay for frames traveling back and forth between the user and the access point

Wireless Modes Repeater bridge A wireless bridge connects two LAN segments with a wireless link The two segments are in the same subnet and look like two Ethernet switches connected by a cable to all computers on the subnet Since the computers are on the same subnet, broadcasts reach all machines DHCP clients in one segment can get their addresses from a DHCP server in the other segment

Wireless Modes Ad-Hoc mode Peer to peer wireless connections Clients running in Ad-Hoc mode can connect to each other as required without involving central access points