Benutzerhandbuch für Nortel Networks Recording Equipment 1

Inhaltsverzeichnis

• Voice over Wireless LAN Technical Solutions Guide

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• Contents

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• 1. Executive summary

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  • 1.1 Challenges

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    • 1.1.1 High overhead of 802.11

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    • 1.1.2 Rate scaling and variable capacity

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    • 1.1.3 Power adjustments and variable capacity

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    • 1.1.4 Quality of Service (QoS)

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  • 1.2 Scope of document

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    • 1.2.1 Products Included

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    • 1.2.2 Infrastructure components

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    • 1.2.3 Configurations not included

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• 2. Nortel VoWLAN solution

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  • 2.1 Applications

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    • 2.1.1 WLAN Handset 2210/11/12 voice

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    • 2.1.2 IP Softphone 2050

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    • 2.1.3 Mobile Voice Client (MVC) 2050

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    • 2.1.4 MCS Client

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    • 2.1.5 WLAN Handset 2211 Push-to-Talk (PTT)

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    • 2.1.6 WLAN Handset 2210/11/12 text messaging

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  • 2.2 Network architecture

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    • 2.2.1 Basic topologies

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      • 2.2.1.1 Distributed Campus

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      • 2.2.1.2 Centralized Campus

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      • 2.2.1.3 Branch Office

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      • 2.2.1.4 Combining architectures

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      • 2.2.1.5 Third-party AP support

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    • 2.2.2 Network design constraints

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      • 2.2.2.1 Power over Ethernet (PoE) requirements

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      • 2.2.2.2 Physical layer interconnections

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      • 2.2.2.3 RF design constraints

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      • 2.2.2.4 SSID options and limitations

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      • 2.2.2.5 Layer 3 implementation

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      • 2.2.2.6 Roaming

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      • 2.2.2.7 WLAN Handset 2212 VPN design

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      • 2.2.2.8 WTM 2245 placement and engineering rules

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    • 2.2.3 High availability designs

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      • 2.2.3.1 Network access availability

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      • 2.2.3.2 WLAN Security Switch 2300 connectivity

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      • 2.2.3.3 N+1 WLAN Security Switch 2300 redundancy

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      • 2.2.3.4 Subnet high availability

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      • 2.2.3.5 WLAN Telephony Manager 2245 high availability

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  • 2.3 Security

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    • 2.3.1 WLAN Handset 2210/11/12 security features

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    • 2.3.2 IP Softphone 2050 and MCS Client security features

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    • 2.3.3 MVC 2050 security features

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    • 2.3.4 Minimum security recommendations for WLAN 2300

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  • 2.4 Performance and scalability

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    • 2.4.1 WLAN AP 2330 scalability

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      • 2.4.1.1 WLAN Handset 2210/11/12

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      • 2.4.1.2 IP Softphone 2050 and MCS Client

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      • 2.4.1.3 Mobile Voice Client (MVC) 2050

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    • 2.4.2 Battery life conservation

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    • 2.4.3 WLAN Telephony Manager 2245 scalability

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  • 2.5 QoS

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    • 2.5.1 WLAN Security Switch 2300 and WLAN AP 2330

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      • 2.5.1.1 SVP description

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      • 2.5.1.2 WMM description

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      • 2.5.1.3 Prioritization capabilities

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      • 2.5.1.4 Queuing with WMM disabled—Native SVP mode of operation

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      • 2.5.1.5 Queuing with WMM enabled

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      • 2.5.1.6 Other limitations for QoS

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    • 2.5.2 Ethernet Switch family

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      • 2.5.2.1 Prioritizing/marking CAPP

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      • 2.5.2.2 Prioritizing/marking interswitch (WSS 2300) traffic

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      • 2.5.2.3 Prioritizing/marking SVP

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      • 2.5.2.4 Prioritizing/marking native VoIP traffic

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    • 2.5.3 Ethernet Routing Switch 5510/5520

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      • 2.5.3.1 Prioritizing/marking CAPP

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      • 2.5.3.2 Prioritizing/marking interswitch (WSS 2300) traffic

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      • 2.5.3.3 Prioritizing/marking SVP

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      • 2.5.3.4 Prioritizing/marking native VoIP traffic

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    • 2.5.4 Ethernet Routing Switch 8300/8600

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      • 2.5.4.1 Prioritizing/marking CAPP

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      • 2.5.4.2 Prioritizing/marking interswitch (WSS 2300) traffic

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      • 2.5.4.3 Prioritizing/marking SVP

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      • 2.5.4.4 Prioritizing/marking native VoIP traffic

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    • 2.5.5 QoS summary

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  • 2.6 WLAN Handset 2210/11/12, IP Softphone 2050, MVC 2050, and MCS Client support on the same network

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    • 2.6.1 Issues

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      • 2.6.1.1 Separating data and voice applications

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      • 2.6.1.2 Admission control

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      • 2.6.1.3 Prioritization

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      • 2.6.1.4 Security

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    • 2.6.2 Recommendations

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• 3. Infrastructure support

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  • 3.1 Network management

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    • 3.1.1 Assessment

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    • 3.1.2 Predeployment

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    • 3.1.3 Monitoring and reporting

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    • 3.1.4 Element management

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  • 3.2 DHCP server

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    • 3.2.1 WLAN AP 2330

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    • 3.2.2 WLAN Handset 2210/11/12

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  • 3.3 DNS server

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  • 3.4 TFTP server

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• 4. Appendix A: Quality of Service checklist for VoWLAN applications using 2210/11/12 handsets

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