Proxim wireless ORiNOCO AP-4000MR-LR User's Guide download pdf (Page 12)

Introduction AP-4000MR User Guide

Mesh Networking

Figure 1-4 Mesh Startup Topology Example – Step 3

In this example, if MAP8 loses the Mesh link to MP9, MAP8 will immediately activate the Mesh link to MAP7. If the link to

MAP7 has a higher path cost than a possible link to MAP4, which has the same Mesh SSID and security mode but is on

a different channel, then MAP7 may decide to switch channels and establish and activate a link to MAP4.

Mesh Network Configuration

In the AP-4000MR, either of the wireless interfaces may be configured for Mesh functionality, with the following

considerations in mind:

• To form or join a Mesh network, Mesh APs must have identical Mesh SSIDs and security modes (None or AES). If

using AES, the shared secret should also be identical.

• All Mesh APs connected to a Portal will be on the same channel. The channel used by the Mesh Portal will determine

the channel used by all of its connected Mesh APs.

• On Mesh APs, Mesh and WDS functionality cannot co-exist on the same wireless interface. Mesh and WDS can

co-exist on Mesh Portals.

• The maximum number of links downlinks from a Mesh Portal to Mesh APs in the tree is 32. Proxim recommends a

maximum of 30-40 APs total per portal (whether connected directly to the Portal or to another Mesh AP) for an

average per-client throughput of 300-500 Kbps. This recommendation is based on the following assumptions:

– 18 Mbps throughput is available at the portal (max is 25 Mbps, but rates decrease as distance between APs

increases).

– 20 wireless clients are supported per AP.

– Average utilization (time that a client is actually transferring data) is 10%.

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Proxim wireless ORiNOCO AP-4000MR-LR User's Guide Page 12