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juniper 无线AP性能参数

juniper 无线AP性能参数
juniper 无线AP性能参数

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Product Description

The Juniper Networks ? WLA Series Wireless LAN Access Points provide complete client access, spectrum analysis, mesh, and bridging services. Featuring support for 802.11a/b/g as well as 802.11n, the WLA Series provides seamless mobility both indoors and outdoors, and it enables scalable deployment of wireless voice over IP (VoIP), video, and real-time location services.

The WLA Series comes with complete security and networking services, along with

advanced performance and scalability features which enable the access points to offload controllers by inspecting and forwarding traffic locally and performing encryption and security enforcement at the access point. The WLA Series also provides band steering, client load balancing, dynamic authorization, quality of service (QoS), bandwidth controls and dynamic call admission control (CAC)—all of which combine to ensure a more

consistent user experience as traffic is more evenly distributed across controllers, access points, and radios. This also improves scalability, providing the same consistent user experience for thousands of mobile users and devices.

The WLA Series is simple to deploy and can easily be configured and managed remotely. Once installed, the WLA Series access points automatically monitor the data integrity and radio frequency (RF) signal strength of wireless channels, and continually tune for optimal RF channel and transmit power. Continuous scanning of the RF spectrum also allows early detection, classification, avoidance and remediation of performance degrading interference sources.

WLA Series access points enforce stringent prioritization of delay sensitive traffic for voice and other critical applications and provide granular quality of service (QoS), and bandwidth management capabilities on a per application, per user or per SSID basis. Wi-Fi Multimedia (WMM) or SpectraLink Voice Priority (SVP) can be configured to ensure optimal QoS for voice traffic. Access point policies allow per user, protocol or class-of-service (CoS) mapping. WLA Series access points may also be deployed in branch locations away from a main campus in a controller-less plug and play deployment model. This reduces the cost and complexity of installing wireless access in remote sites. They can be managed via the WAN or through the Internet by controllers at headquarters, and will maintain local session persistence indefinitely, if the WAN link goes down.

Product Overview

The Juniper Networks WLA Series Wireless LAN Access Points provide client access, spectrum analysis, bridging, and wireless mesh services for indoor and outdoor deployments of enterprise wireless LANs (WLANs). Configured and controlled by Juniper Networks WLC Series Wireless LAN Controllers, the WLA Series performs deep packet inspection, encryption, traffic forwarding, and security enforcement locally, which results in optimized traffic flows, radically reduced latency, and massive scalability.

WLA SERIES WIRELESS LAN ACCESS POINTS

WLA371*, WLA422, WLA522, WLA432, WLA532, WLA632*

*Not WiFi certified at this time

WLA532

Simultaneous

spectrum scanning and client access

Figure 1: WLA Series Access Points provide client access, spectrum analysis, mesh, and bridging services

Table 1: Indoor and Outdoor Wireless Access Point Products

Indoor Wireless Access Points

WLA371? Single-radio indoor access point for 802.11a or 802.11b/g

Features and Benefits

Security

With the highest security standards, WLA Series Wireless LAN Access Points support all relevant encryption methods, including Wi-Fi Protected Access 2 based on 802.11i (WPA2) and Wi-Fi

Protected Access (WPA) in both enterprise (802.1X) and personal (pre-shared key) modes. There are no encryption keys, security credentials, or data stored locally, which eliminates any security risk if stolen or connected to an unauthorized network.

RF Management

The WLA Series plays a key role in rogue and intrusion detection as well as denial of service (DoS) attack detection. The WLA

Series access points provide simultaneous support for both access service and spectrum analysis. This ensures early detection of common RF interferers and also allows for appropriate corrective actions to mitigate loss of performance due to interference.

ActiveScan allows the WLA Series access points to fulfill a dual role, as the system scans all 802.11 channels while simultaneously providing wireless connectivity to mobile clients. SentryScan allows the WLA Series access points or individual access point radios to act as dedicated sentries, providing continuous scanning.

When rogue or interference sources are detected, the WLA Series access points coordinate with the WLC Series controllers for an appropriate mitigation response to ensure the highest air quality for efficient and high performing wireless access services. If an access point goes out of service and leaves a coverage hole, the WLC Series controllers can change channels or adjust power levels on multiple nearby access points in a coordinated fashion in order to restore

Wi-Fi coverage and provide optimal reliability and performance. Spectrum Intelligence

In addition to the typical RF scanning performed as a wireless intrusion measure, which is supported on all WLA Series access points, the WLA522 and WLA532 are also equipped to gather spectrum intelligence either as a dedicated spectrum sensor, or simultaneously together with client access. This enables better troubleshooting and avoidance of performance-degrading interference sources.

Working in conjunction with interference avoidance planning, advanced diagnostics, visualization and reporting features in RingMaster, the WLA522 and WLA532 can detect, classify and report a wide variety of non Wi-Fi interference sources. These include microwave ovens, spread-spectrum frequency hopping wireless devices, movement sensors, continuous wave transmitters (video cameras, wireless bridges) and many more that operate on the same unlicensed spectrum that Wi-Fi relies on.Easy Installation

The WLA Series indoor access points ship with a flexible mounting kit designed for ceiling-mounted or wall-mounted deployment, with common mounting brackets for easy upgrades to 11n. The WLA Series is simple to deploy and can be configured and easily managed remotely.

The aesthetically appealing enclosure of the WLA Series

indoor access points is designed to blend into typical office environments, minimizing attention to its function. The enclosure design resembles a smoke detector, making it less likely to be tampered with, while featuring a built-in Kensington lock system for added physical security.

Branch Office Deployment

WLA Series 11n access points support a “Remote AP” mode which permits a low-cost controller-less deployment model in branch locations. Without requiring any networking knowledge, anyone can physically install the access point. The branch access point initializes itself automatically by connecting back to a WLC

Series controller at the main campus over an existing VPN or

via encrypted tunnels through the Internet. Once initialized, the Remote AP provides client services, and can maintain stand alone operation with session persistence for an extended period in the event that WAN links fail.

Figure 2: WLA Series wireless mesh services diagram Figure 3: WLA Series wireless bridge services diagram

Outdoor Deployment

The WLA522 features external antenna ports, which allows for outdoor rated antennas to be mounted on a building exterior while the access point is mounted inside. The WLA632 outdoor access point comes in a ruggedized, weatherproof enclosure suitable for extreme outdoor environments and industrial-grade deployments. The WLA632 complies with NEMA4X and IP67 standards for corrosion resistance and features built-in lightning protection for antenna ports, as well as surge protection for Ethernet and power ports. The WLA632 also has automatic thermal management inside the access point and includes received signal strength indicator (RSSI) meter functions on LEDs for easy antenna alignment in the field.

Bridging and Mesh

In addition to traditional access point functionality, the WLA Series may also be deployed as a wireless mesh to extend the reach of enterprise WLANs beyond LAN cabling. Intelligent switching is supported in all mesh modes, enabling each mesh node to provide the shortest, least congested path to the destination over encrypted secure mesh links.

The WLA Series access points also support point-to-point bridging to provide seamless connectivity between buildings over a wireless backhaul, to avoid the expense, inconvenience, and delay of laying new cable.Optimized Traffic Flows

WLA Series Wireless LAN Access Points take advantage of Juniper Networks highly distributed mobility architecture

known as Smart Mobile, by performing encryption, deep packet inspection and forwarding locally at the access point. This not only improves scalability by offloading WLAN controllers, it also results in optimized traffic flows and radically reduced latency

for real-time applications. Along with a wealth of dynamic load balancing techniques, this architecture ensures the scalability

and performance to support the most demanding wireless applications, including video, voice over WLAN and real-time location services.

Real-Time Location Services

The WLA Series also supports location-based services that rely on Wi-Fi signal information for accurate three-dimensional positioning. Common applications include asset tracking, IT support and servicing, and network security based on client location.

Unlike many wireless location systems that rely on tags or client software on tracked devices, the WLA Series can detect the position of any active Wi-Fi device including smartphones as well as many medical devices.

Figure 4: Local forwarding at the access point minimizes latency

Features

WLA371WLA422WLA522WLA432WLA632

WLA532

Features (continued)

Specifications

* The Plenum rating applies to the 522E model

Juniper Networks Services and Support

Juniper Networks is the leader in performance-enabling services that are designed to accelerate, extend, and optimize your

high-performance network. Our services allow you to maximize operational efficiency while reducing costs and minimizing risk, achieving a faster time to value for your network. Juniper Networks ensures operational excellence by optimizing the network to maintain required levels of performance, reliability, and availability. For more details, please visit https://www.sodocs.net/doc/861734339.html,/us/en/ products-services/.

Ordering Information

About Juniper Networks

Juniper Networks is in the business of network innovation. From devices to data centers, from consumers to cloud providers,

Juniper Networks delivers the software, silicon and systems that transform the experience and economics of networking. The company serves customers and partners worldwide. Additional information can be found at https://www.sodocs.net/doc/861734339.html, .

Ordering Information (continued)

Notes

Notes

11

121000359-004-EN Nov 2011Copyright 2011 Juniper Networks, Inc. All rights reserved. Juniper Networks, the Juniper Networks logo, Junos, NetScreen, and ScreenOS are registered trademarks of Juniper Networks, Inc. in the United States and other countries. All other trademarks, service marks, registered marks, or registered service marks are the property of their respective owners. Juniper Networks assumes no responsibility for any inaccuracies in this document. Juniper Networks reserves the right to change, modify, transfer, or otherwise revise this publication without notice.EMEA Headquarters Juniper Networks Ireland Airside Business Park Swords, County Dublin, Ireland Phone: 35.31.8903.600 EMEA Sales: 00800.4586.4737 Fax: 35.31.8903.601APAC Headquarters Juniper Networks (Hong Kong) 26/F, Cityplaza One 1111 King’s Road Taikoo Shing, Hong Kong Phone: 852.2332.3636 Fax: 852.2574.7803Corporate and Sales Headquarters

Juniper Networks, Inc.

1194 North Mathilda Avenue

Sunnyvale, CA 94089 USA

Phone: 888.JUNIPER (888.586.4737)

or 408.745.2000

Fax: 408.745.2100 https://www.sodocs.net/doc/861734339.html, Printed on recycled paper

To purchase Juniper Networks solutions, please contact your Juniper Networks representative at 1-866-298-6428 or authorized reseller.

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