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Extreme Networks Data Sheet

Scalability for Future Prooﬁng

Investment Protection for

Emerging Technologies

The modular architecture of Summit WM200

and Summit WM2000 controllers offers

the scalability and ﬂexibility required in a

fast changing wireless environment.

Summit WM2000 can manage up to 200

APs—one of the highest in the industry—

on a single hardware platform. This

results in lower capital outlay for

controllers and better operational

efﬁciencies over the life of the solution.

The ﬁeld-replaceable service blades

provide the ﬂexibility of supporting

enhanced new applications and services

in the future. Summit WM200 and

Summit WM2000 can support emerging

WLAN radio technologies, such as IEEE

802.11n APs, which will provide high

speed wireless services. All of these APs

could be placed at a single facility or

some could be installed at the central site

and others installed at remote sites,

across the WAN using the Branch Ofﬁce

mode of Summit WM.

Extended Mobility Domain

The Mobility Domain, which is a powerful

Summit WM architectural capability,

deﬁnes a domain within which users can

roam and enable seamless session mobility.

Mobility Domain is a cluster of Summit WM

controllers and attached APs that share a

distributed database for client, RF and

security key management. This enables

session mobility with fast handoffs for

wireless users and devices across Layer 2

and Layer 3 networks. Up to 12 controllers

can be conﬁgured into a single roaming

domain, enabling up to tens of thousands of

users to transparently roam across up to

2,400 APs. This enables an enterprise

customer to conﬁdently deploy a secure

and robust wireless network across a large

multi-building and multi-site campus.

Summit WM200 and Summit WM2000, with modular architecture offering scalability in capacity and performance, helps

protect user investment against early obsolescence.

Cost-Effective Distributed

Enterprise Support

Branch Ofﬁce mode capability enables one

or more standard Altitude 350s to be

installed in remote sites, across the WAN,

without a local controller. These APs

download their conﬁguration from the

central Summit WM controller and then

operate independently at the local site. This

provides a number of advantages, the ﬁrst

being capital cost savings. There is no need

for a controller at every remote site. There

are also operational savings since an

administrator can manage all the Branch

Ofﬁce APs from a central controller.

Thirdly, the Branch Ofﬁce mode used at

remote and branch ofﬁce locations enables

the remote AP to bridge trafﬁc to a local

VLAN at the remote site, rather than

tunneling it all back across a slow WAN link.

This provides better performance to the

Branch Ofﬁce user, ofﬂoading the central

controller and also reducing bandwidth

demands on the WAN link. Finally, Branch

Ofﬁce mode provides survivability—users

at the branch can continue to operate, even

if the WAN is intermittent or fails. With

such a scalable architecture, enterprises

can deploy wireless in hundreds and even

thousands of branch ofﬁces. Figure 2 shows

Branch Ofﬁce mode deployment.

BlackDiamond

10808

Summit X450e-24p

PoE Switch

Wireless

Data

Local

Server

Summit WM

Voice Priority

Processor

IP Wireless

Telephones

Wireless

Data

Summit X450e-24p

PoE Switch

IP Wireless

Telephones

Wireless

Data

Altitude

350

Telephony

Server

Bridged Data

Tunneled Data

VLAN 2

VLAN 1

Media Servers

and Gateway

WAN

Branch OfficeHeadquarters

Figure 2: Branch Ofﬁce Mode Deployment

1 2 3 4 5 6 7 8 9

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