Network Planning, Monitoring, and Troubleshooting with Lync Server
MSFT ha publicado un documento que creo que no va a tener desperdicio (el título habla por si solo), aquí os dejo su enlace de descarga: http://www.microsoft.com/en-us/download/details.aspx?id=39084
Solo con ver el índice del documento creo que nos aportará muchas cosas, aquí lo tenéis:
Contents
1. Introduction. 1
1.1 Phase Overview. 1
2. Planning. 2
2.1 Network Discovery. 3
2.1.1 Historical Metrics. 4
2.1.2 Network Impairments. 4
2.1.2.1 WAN Optimizers. 4
2.1.2.2 Virtual Private Network (VPN) 5
2.1.2.3 Firewall Policies. 6
2.1.2.4 Symmetric versus Asymmetric Links. 6
2.1.2.5 Network Topology. 7
2.1.3 Lync Devices. 8
2.1.3.1 Power over Ethernet (PoE) 8
2.1.3.2 Virtual LAN (VLAN) 8
2.1.4 Qualified Network Devices. 9
2.2 Modeling/Personas. 9
2.3 Bandwidth Estimation. 11
2.3.1 Call Flows. 12
2.3.1.1 Peer-to-Peer Session. 12
2.3.1.2 Conference Session. 12
2.3.1.3 PSTN/Mediation Server Session. 12
2.3.1.4 Content Sharing. 12
2.3.2 Bandwidth Tables. 13
2.3.2.1 Video Codec Bandwidth. 14
2.3.2.2 Video Resolution Bandwidth. 15
2.3.2.3 Impact of Multiple Video Streams in Lync Server 2013. 16
2.3.2.3.1 Lync Server Bandwidth. 17
2.3.2.4 Audio Capacity Planning for PSTN. 17
2.3.3 Bandwidth Estimation for Redundant Links. 18
2.4 Traffic Simulation. 18
2.4.1 Simulating Estimated Amount of Bandwidth Required. 19
2.4.1.1 P2P Scenarios. 19
2.4.1.2 Conferencing Scenarios. 19
2.4.2 Identifying Sites for Lync Server Traffic Simulation. 20
2.4.3 Lync Server Real-Time Scenarios to Be Simulated. 21
2.4.4 Recommended Tools for Lync Server Traffic Simulation. 21
2.4.5 Traffic Simulation Best Practices. 22
2.5 Call Admission Control (CAC) 22
2.5.1 Multiple Call Admission Control Systems. 23
2.6 Quality of Service (QoS) 24
2.7 Network Port Usage. 24
2.7.1 Manual Port Configuration Scenarios. 25
2.7.2 Quality of Service (QoS) for Modality Types. 25
2.7.3 Bandwidth Management 25
2.7.4 Internal Firewall Placement 25
2.7.5 Minimum Number of Ports for Workloads at Scale. 26
2.7.6 Configuring Manual Ports for the Lync Client 26
2.7.7 Configuring Port Ranges for Application, Conferencing, and Mediation Servers. 27
2.7.8 Configuring Dedicated Port Ranges for Edge Servers. 29
2.7.9 Verifying Manual Port Configuration – Client Side. 30
2.7.10 Verifying the UC Port Range Is Enabled for Lync Clients. 30
2.7.11 Configured UC Port Range Example (from a Sample Lync-UccApi-0.UccApilog) 30
2.7.12 Verifying Manual Port Configuration – Server Side. 31
2.7.13 Traffic Prioritization for Real-Time Communications. 31
2.8 Wi-Fi Scenarios. 32
2.8.1 Background. 32
2.8.2 What Is Wi-Fi?. 32
2.8.2.1 Wireless Standards. 33
2.8.2.2 Wi-Fi Multimedia (WMM) 33
2.8.2.3 WAP Planning. 33
2.8.3 Wi-Fi Certification for Lync Server 33
2.8.4 Wi-Fi Challenges and Recommendations. 34
2.8.4.1 WAP Configuration. 34
2.8.5 Next Steps. 34
2.8.5.1 Simple Wi-Fi Scan. 34
2.8.5.2 Spectrum Scan. 35
2.8.5.3 Wi-Fi Assessment 36
2.8.5.3.1 Preassessment Questionnaire. 36
2.8.5.3.2 Requirements. 37
2.8.5.3.3 Assessment 37
2.8.5.3.4 Presenting Results. 37
2.9 Operations. 37
2.9.1 Network Change Control Process. 38
2.9.1.1 Network Requirements. 38
2.9.1.2 Change Management Roles. 38
2.9.1.3 Change Management Process. 38
2.9.2 Network Incident Management 39
2.9.3 Real-Time Applications. 39
3. Deployment and Monitoring. 39
3.1 Elements that Require Monitoring. 40
3.1.1 Server Health. 40
3.1.1.1 Common Server Health KHIs. 40
3.1.1.2 Role-Specific Server Health KHIs. 41
3.1.2 Network Health. 41
3.1.2.1 Network Device KHIs. 42
3.1.2.2 Lync Server Call Network Metrics. 42
3.1.2.2.1 Packet Loss. 43
3.1.2.2.2 Jitter 43
3.1.2.2.3 Latency. 44
3.1.3 Client Health. 44
3.2 Configuration Audit 44
3.2.1 IP-PSTN Gateway Configuration Drift 45
3.2.2 Lync Server Configuration Drift 45
3.2.3 Network Configuration Drift 45
3.3 Usage Trend Reporting. 46
3.4 Product Features that Provide Monitoring Data. 46
3.5 Third-Party Solutions that Provide Monitoring. 47
4. Troubleshooting. 47
4.1 Troubleshooting Scenarios. 47
4.1.1 Troubleshooting a Site-Wide Issue: Lync Voice Quality – A Site Suddenly Reports Poor Audio Quality 47
4.1.1.1 Problem Report Scenario. 47
4.1.1.2 Initial Assessment 47
4.1.1.3 Data Collection. 48
4.1.1.4 Problem Isolation and Root Cause Analysis. 48
4.1.2 Troubleshooting an Individual Lync Voice Quality Issue. 49
4.1.2.1 Problem Report Scenario. 49
4.1.2.2 Initial Assessment 49
4.1.2.3 Data Collection. 51
4.1.2.4 Problem Isolation and Root Cause Analysis. 52
4.2 Troubleshooting Methodologies. 52
4.2.1 Troubleshooting a Network Segment 52
4.2.1.1 Network Router Configuration. 53
4.2.1.1.1 Quality of Service (QoS) 53
4.2.1.1.2 Rate Limiting. 54
4.2.1.1.3 Speed Sensing Mismatch (Full/Auto) 55
4.2.1.1.4 Nagle Algorithm (TCP only) 55
4.2.1.1.5 Load Balancer Configuration. 55
4.2.1.1.6 HTTP Proxies. 55
4.2.1.1.7 Bandwidth. 56
4.2.1.1.8 WAN/ISP. 56
4.2.1.2 Network Hardware Issues. 56
4.2.1.2.1 Bad Patch Cable. 56
4.2.1.2.2 Cable Loop/BPDU Guard Protection. 56
4.2.1.2.3 Router CPU Spikes. 57
4.2.1.3 Wi-Fi Quality. 57
4.2.1.3.1 Interference. 57
4.2.1.3.2 Access Point Density. 57
4.2.1.3.3 Roaming. 57
4.2.1.3.4 Wi-Fi Network Adapter and Driver 57
4.2.1.4 Other Client Network Quality Issues. 57
4.2.1.4.1 Mobile Broadband. 58
4.2.1.4.2 IPSec. 58
4.2.1.4.3 Virtual Private Network (VPN) 58
4.2.1.4.4 Forced TCP Connection. 58
4.2.1.4.5 ISP/Internet 58
4.2.1.5 Client Endpoint Performance. 58
4.2.1.5.1 Power-Saving Mode. 59
4.2.1.5.2 USB Hub/Cable. 59
4.2.1.5.3 Drivers/DPC Storm.. 59
4.2.1.6 Server Endpoint Performance. 59
4.2.1.6.1 Antivirus/Port Scanning Software. 59
4.2.1.6.2 Performance Counter Collection and Logging. 59
4.2.1.6.3 Network Adapter Configuration. 60
4.2.1.6.4 Concurrent Call Load. 60
4.2.1.6.5 Virtualization. 60
4.2.2 Troubleshooting Device Issues. 60
4.2.2.1 Built-in Sound Cards. 61
4.2.2.1.1 Microphone Boost 61
4.2.2.1.2 Digital Signal Processing (DSP) 62
4.2.2.2.3 Noise. 62
4.2.2.2 USB Devices. 62
4.2.2.2.1 USB Host Device Driver 62
4.2.2.2.2 USB Hubs and Cabling. 63
4.2.2.2.3 PC BIOS. 63
4.2.2.3 Other Device Issues. 63
4.2.2.3.1 Harmonics. 63
4.2.2.3.2 Acoustic Isolation. 63
4.2.2.3.3 Electrical Isolation. 63
4.2.3 Troubleshooting Environmental Issues. 63
4.2.3.1 Noise. 63
4.2.3.1.1 Heating, Ventilating, and Air Conditioning (HVAC) Noise. 64
4.2.3.1.2 Laptop Fan/Hard Drive. 64
4.2.3.1.3 Typing. 64
4.2.3.2 Microphone Positioning and Audio Device Selection. 64
Appendix A. Lync Audio Quality Model 65
A.1 Lync Audio Pipeline. 65
A.1.1 Analog Audio Source. 66
A.1.2 Analog Audio Capture. 66
A.1.3 Analog-to-Digital Conversion (ADC) 66
A.1.4 Digital Signal Packet Capture. 67
A.1.5 Digital Signal Preprocessing (DSP) 67
A.1.6 Encoding. 67
A.1.7 Encryption. 68
A.1.8 Protocol Encapsulation. 68
A.1.9 Transmission. 68
A.1.9.1 Jitter 68
A.1.9.2 Loss. 69
A.1.9.3 Delay. 69
A.1.10 Reception. 69
A.1.11 Decryption. 69
A.1.12 Decoding. 70
A.1.13 Reassembly, Buffering, and Healing. 70
A.1.15 Postprocessing. 70
A.1.16 Playback. 70
A.1.17 Digital-to-Analog Conversion (DAC) 70
A.1.18 Analog Audio Render 70
Appendix B. Lync Server QoE Reporting. 71
B.1 Lync 2010 QoE Database Schema. 71
B.2 QoE Table Join View Example. 72
B.3 QoE Metrics Review. 73
B.3.1 End-to-End Metrics. 73
B.3.2 Endpoint Metrics. 74
B.3.3 Configuration Parameters. 74
B.3.3.1 UserAgent Field. 74
B.3.4 Event Ratios. 74
B.4 Managing Lync Server Quality. 74
B.4.1 Corporate Average Audio Quality. 74
B.4.2 ClassifiedPoorCall 75
B.4.3 Media Quality Summary Report 75
B.4.4 Managed versus Unmanaged Infrastructure Reporting. 78
B.5 Server-Server Reports. 79
B.5.1 AVMCU. 79
B.5.2 Mediation Server 79
B.5.3 IP-PSTN Gateway. 80
B.5.4 AVMCU-Mediation Server Report Example. 80
B.5.4.1 Temporary Views. 82
B.5.4.2 Counting Poor Calls. 82
B.5.4.3 Caller/Callee Handling. 82
B.5.5 Mediation Server-IP PSTN Gateway Report Example. 83
B.6 Subnet Reports. 85
B.6.1 Wired Subnet Report Example. 85
B.6.2 Wireless Subnet Report Example. 88
B.7 Linking to External Data Sources. 88
B.8 Trending and Data Retention. 89
B.9 Using User Experience Metrics. 89
B.9.1 Mean Opinion Score (MOS) 92
B.9.2 Network MOS (NMOS) versus NMOS Degradation. 92
B.10 Other Reporting Examples. 93
B.10.1 Device Queries. 93
Appendix C. Troubleshooting Duplex and Speed Sensing Mismatch (Full/Auto) 96
Appendix D. Tools. 97
D.1 Collect Logs. 97
D.2 Debugging Tools for Windows. 97
D.3 err.exe. 97
D.4 Error String Display (CSError.exe) 97
D.5 Microsoft Exchange Troubleshooting Assistant 98
D.6 Log Parser 99
D.7 Lync Best Practices Analyzer 99
D.8 Lync Client Logging. 99
D.9 Lync Server 2010 Logging Tool 99
D.10 Microsoft Product Support (MPS) Reports. 100
D.11 Network Monitor 101
D.12 Network Monitor Parsers. 101
D.13 OCStracer.exe. 101
D.14 PortQryUI 102
D.15 ProcDump. 102
D.16 Process Explorer 102
D.17 Process Monitor 102
D.18 Remote Connectivity Analyzer 102
D.19 Snooper 102
D.20 TextAnalysisTool.NET. 103
D.21 Unified Messaging Diagnostics Logging. 103
D.22 XMLNotePad. 104
En cuanto pueda terminar de leerlo iré subiendo nuevos artículos, de momento toca darle a la lectura. De todas formas aquí os dejo algunas capturas interesantes del documento:
También podéis descargar el documento desde este blog: 
Networking_Guide_Lync_Server.docx
Networking_Guide_Lync_Server.docxUn saludo
