Extreme Networks Summit WM Series Manual do Utilizador descarregar pdf (Página 7)

© 2009 Extreme Networks, Inc. All rights reser ved. Summit WM20 WLAN Controller—Page 7

Extreme Networks Data Sheet

Deployments Requiring Distributed

Wireless Connectivity with Plug-and-Play

Installation and Centralized Support

Summit wireless mobility is ideal for

multi-site enterprise deployments with a

centralized Summit WM controller installed

in the headquarters facility. APs can be

shipped to remote sites and installed by

non-skilled labor. When connected to the

network, the APs will automatically ﬁnd and

connect to the Summit WM controller. With

Branch Ofﬁce Mode, remote APs bridge to

the local switching infrastructure, offering

high-performance for local wireless users

while still being centrally managed from the

Summit WM controller.

Summit WM20

Summit WM20 Summit WM20

WAN Router

Router

Router

Router

VoIP

Call Server

VoIP

Call Server

Existing

Layer 2

Switch

Existing

Layer 2

Switch

Existing Layer 2

Switches

Altitude 350-2

Altitude

350-2s

Altitude

350-2

Altitude 350-2

Medium To Large Building/

Headquarter Campus

Medium To Large Building/

Headquarter Campus

Branch Office

WAN

Network

WAN Router

Support for High-Performance

Applications Such as Voice over WLAN

Summit WM series controllers support

voice-grade Layer 3 roaming across APs,

with pre-authentication to preserve security

and IP persistence to minimize dropped

connections. Not only is this roaming

available across subnets, but also across

APs that are operating off of different

Summit WM switches. Summit WM has

Pairwise Master Key (PMK) caching which

allows the roaming client to pre-authenti-

cate with nearby APs. This is ideal for voice

handsets or roaming applications such as a

wireless device mounted on a warehouse

forklift.

Summit WM20

WPA2 Client

Summit WM20

PMK established

with nearby AP

PMK established

with Primary AP

Target Applications

Guest Access Applications

The Internal Captive Portal feature of the

Summit WM controller allows for an

optional authentication scheme. A simple

conﬁgurable login web page is offered to the

client upon association. The Summit WM

controller also provides an API for integra-

tion with external third-party Guest Access

applications. These applications can be

customized for various sectors including

universities, enterprises, healthcare and

managed services.

Location-

based Services

Summit WM20

API

Altitude

350-2

Altitude

350-2

Security

Enterprises

Guest

Access

Client

Integrity

Classroom/Facilities

Management Software

Universities

Location Tracking

of Equipment

Healthcare

Property

Management

Cellular

Interworking

Managed Services

Bandwidth

Manager

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