Proxim wireless ORiNOCO AP-4000MR-LR User's Guide download pdf (Page 131)

Advanced Configuration AP-4000MR User Guide

PXU (ProximUnify) Profile and VLAN Roaming

131

PXU (ProximUnify) Profile and VLAN Roaming

ProximUnify architecture enables VLAN roaming for both data and voice clients. VLAN roaming support is required when

a client device roams between APs connected to switches with different VLANs configured. IP Tunnels are used to

forward the STAs traffic to and from the Home of the STA. STAs are assigned Homes at certain APs. If the STA moves to

another AP where its VLAN is unavailable, ProximUnify facilitates a seamless roaming.

Wireless Domain Configuration

In order for the AP and ProximUnify to work together to support VLAN roaming, the administrator must first configure a

ProximUnify Profile and configure VLAN parameters on the AP. For more information on ProximUnify configuration and

management, refer to the ProximUnify User Guide.

• Wireless Domain: Wireless Domain constitutes the host of ProximUnify devices servicing wireless APs which in turn

service wireless clients. These Wireless APs should be registered with ProximUnify and must be sending and

receiving information.

• Converged Mobility (CMOB): AP feature that enables VLAN roaming for both data and voice (VoIP) clients.

Each AP registers with a ProximUnify Module. In order to provide redundancy, a Primary and a Secondary ProximUnify

Module may be configured for an AP to register with. If redundancy is not of so importance, only one of the two Modules

can be configured. Note that the redundancy is just for registration purposes and Tunnel information is not carried

forward or transferred between Primary and Secondary PXU Modules. Communication between ProximUnify Modules

and registered Access Points is secured using Diffie-Hellman for authentication and RC4 for encryption. The “Shared

Secret” is required to fulfil these requirements.

NOTE: A PXU AP will not allow wireless client association to an SSID having CMOB status enabled until it registers to

either Primary or Secondary PXU module.

During a PXU failover, the AP association with CMOB STA is delayed for sometime. There is no end-to-end connectivity

during this period. For more information, refer to the “ProximUnify User Guide”.

Configuring the ProximUnify Profile

The PXU Profile tab allows you to configure the IP address and select the server status to enable or disable the profile.

The PXU Profile consists of two Modules, a Primary and a Secondary. Configuring the PXU Profiles on the AP allows the

administrator to define a profile for PXU Modules used by the system. For more information on configuration and

management, refer to the “ProximUnify User Guide”.

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Proxim wireless ORiNOCO AP-4000MR-LR User's Guide Page 131