Avaya 3645 Installationshandbuch - Seite 2
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Installation Guide
Table of Contents
Introduction.....................................................................................................................
2.0
Wireless LAN Layout Considerations...............................................................
2.1
Coverage........................................................................................................................................3
2.1.1
Overlapping Coverage.............................................................................................................4
2.1.2
Signal Strength ........................................................................................................................4
802.11b/g Deployment Considerations .........................................................................................5
2.2
802.11a Deployment Considerations............................................................................................5
2.3
Access Point Configuration Considerations..................................................................................5
2.3.1
Channel Selection ...................................................................................................................5
2.3.2
Transmission Power ................................................................................................................7
2.3.3
Interference..............................................................................................................................7
2.3.4
Multipath and Signal Distortion................................................................................................8
2.3.5
Site Surveys.............................................................................................................................8
2.4
Capacity...........................................................................................................................................9
2.4.1
Access Point Bandwidth Considerations.................................................................................9
2.4.2
Push-to-Talk Multicasting Considerations .............................................................................10
2.4.3
Telephone Usage ..................................................................................................................10
3.0
Network Infrastructure Considerations ..........................................................
3.1
Physical Connections ..................................................................................................................11
3.2
Assigning IP Addresses...............................................................................................................11
3.3
Software Updates Using TFTP.....................................................................................................12
4.0
Quality Of Service .............................................................................................
4.1
Avaya Voice Priority Processor (AVPP)......................................................................................12
4.1.1
AVPP Infrastructure...............................................................................................................12
4.1.2
AVPP Capacity ......................................................................................................................12
4.1.3
Multiple AVPPs ......................................................................................................................13
4.2
Access Point Quality of Service (QoS)........................................................................................13
4.3
VIEW Certification........................................................................................................................13
5.0
Security..............................................................................................................
5.1
Security Concerns........................................................................................................................14
5.1.1
Wired Equivalent Privacy (WEP) ...........................................................................................14
5.1.2
Wi-Fi Protected Access (WPA/WPA2) ..................................................................................14
5.1.3
Cisco Fast Secure Roaming (FSR) .......................................................................................14
5.2
Using Virtual LANs.......................................................................................................................15
5.3
MAC Filtering and Authentication................................................................................................15
5.4
Firewalls and Traffic Filtering.......................................................................................................15
5.5
Virtual Private Networks (VPNs) .................................................................................................15
6.0
Avaya Wireless Telephones and Subnets ......................................................
6.1
Subnets and IP Telephony Server Interfaces .............................................................................16
6.2
Network Performance Requirements..........................................................................................17
7.0
Conclusion ........................................................................................................
Octiober 2008
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