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This page describes using Air-Frame 100 models to create multiple radio links for high bandwidth applications:
Multi-Link configurations are used in a point to point configuration to connect one location to one remote locations using multiple radio links. The bandwidth available between locations is the sum of all the radio links i.e. 4 links provides 4 x 1.2 M bit/s = 4.8 M bit/s (8M+ if the optional compression feature is installed). The above diagram shows two connected multi-user networks (using a Hub or Switch). Either location may be configured as a Direct connection (without a Hub or Switch).
The Multi-Link configuration appears to the network as single connection i.e. it uses a single Default Gateway. One Air-Frame at each location is configured as the LINK MASTER (used as the Default Gateway). When using compression in a Multi-Link configuration only the LINK MASTER requires the compression enhancement.
In a typical environment all links would be configured as bi-directional but when used for video or audio conferencing a pair of links may be configured with dedicated Transmit and Receive thus minimizing Transmit to Receive turnaround overheads.
Multi-Link configurations may operate in either Bridged or Router modes.
Internet, Intranet or Extranet configurations. ISP access networks (bridged or routed). High Speed LAN to LAN applications (bridged or routed). Video or Audio Conferencing (using dedicated Transmit and Receive - see above).
In a bridged connection the traffic sent from location A to Location B AND from Location B to Location A consists of:
Traffic for a PC or system on the remote network
Broadcast traffic (e.g. network management)
In effect the two locations operate as a single, fully transparent LAN. Where both LANs consist of many system the broadcast traffic can be considerable and consideration should be given to a routed network.
In a routed connection the traffic sent from location A to Location B AND from Location B to Location A consists of:
Traffic for a PC or system on the remote network only.
In this case the two LANs operate independently but communication is enabled between them.
The following table defines inter-working between the Air-Frame Family in Multi-Link mode:
|Location A||Location B|
|Air-Frame 100 (any model)||
Air-Frame 100 (any model)
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