Specifications

LAN-to-LAN Configuration

1-10

Point-to-Multipoint

You can connect wired LANs in different buildings using the LAN-to-LAN multipoint

feature. At least one of the APs is configured as a multipoint AP, called the Central AP. The

Central AP can communicate directly with up to six APs. The six APs are configured as

endpoints, which can only communicate directly to the Central AP. The Central AP allows

the endpoint APs to communicate with each other through the Central AP.

A Central AP uses an omni-directional antenna so that it can communicate with multiple

APs in different directions. The endpoint APs usually use a directional antenna pointed at

the Central AP. The directional antenna allows you to increase the distance between APs.

There must be a clear line sight between antennas to avoid a reduction in the signal level.

Configuration Examples

Figure 1-3 provides an example of a Central AP with six endpoint APs. The endpoint APs

can only communicate via the Central AP and not directly with each other.

Figure 1-3: Point-to-Multipoint Configuration

NOTE: The RoamAbout R2 Mezzanine option (slot 2) does not support

LAN-to-LAN multipoint. This means that an R2 can use its Slot 2 radio to

participate as an endpoint AP in a point-to-multipoint configuration, but

cannot use its Slot 2 radio to act as a Central AP.

Omni-Directional

Antenna

Multipoint Mode (Central AP)

Endpoint Mode