Cisco TelePresence Manuale di servizio

Cisco TelePresence

Video Communication

Server

Administrator Guide

X7.2

January 2015

Cisco VCS Administrator Guide (X7.2) Page 2 of 498

Contents

Introduction 10

About the Cisco TelePresence Video Communication Server (VCS) 11

VCS base applications 12

Standard features 13

Optional features 14

Installation and initial configuration 15

About this guide 16

Typographical conventions 16

Using the web interface 17

Using the command line interface (CLI) 18

Web page features and layout 19

What’s new in this version? 21

Controlled SIP TLS connections to the Default Zone 21

Device authentication 21

Enhanced account security 21

System security enhancements 22

Zone and subzone media encryption policy 22

Call processing 22

Improved interworking flow control 22

Enhanced diagnostics 23

Other enhancements and usability improvements 23

Overview and status information 24

Status overview 25

System information 26

Ethernet status 27

IP status 28

Resource usage 29

Active sessions 30

Active administrator sessions 30

Active user sessions 30

Registration status 31

Call status 33

Disconnecting calls 34

B2BUA calls 34

Search history 35

Search details 36

Local Zone status 37

Zone status 38

Bandwidth 39

Link status 39

Pipe status 39

Policy service status 40

TURN relays status 41

Presence 42

Presence publishers 42

Presence presentities 42

Cisco VCS Administrator Guide (X7.2) Page 3 of 498

Presence subscribers 43

OCS Relay status 44

OCS/Lync B2BUA 45

OCS/Lync user status 45

OCS/Lync B2BUA status 45

TMS Provisioning Extension service status 46

Provisioning Server status 46

User records provided by TMSProvisioning Extension services 47

FindMe records provided by TMS Provisioning Extension services 48

Phone book records provided by TMS Provisioning Extension services 48

Provisioned devices 49

Checking provisioned data 49

Alarms 51

Logs 52

Event Log 52

Configuration Log 53

Network Log 54

Hardware status 56

VCS unit front panel 56

Network and system settings 57

Network settings 58

Configuring IP settings 58

Configuring Ethernet settings 60

Configuring DNS settings 60

Configuring Quality of Service settings 62

Configuring firewall rules 62

Network services 66

Configuring system name and access settings 66

Configuring SNMP settings 70

Configuring time settings 71

Other settings 74

Configuring the Login page 74

Configuring external manager settings 74

Configuring TMS Provisioning Extension services 75

Protocols 78

About H.323 79

Using the VCS as an H.323 gatekeeper 79

H.323 endpoint registration 79

H.323 configuration 79

About SIP 81

VCS as a SIP registrar 81

VCS as a SIP proxy server 82

Proxying registration requests 83

VCS as a SIP Presence Server 83

SIP configuration 83

Configuring SIP domains 86

Configuring SIP and H.323 interworking 88

Registration control 89

Cisco VCS Administrator Guide (X7.2) Page 4 of 498

About registrations 90

Finding a VCS with which to register 90

Registrations on a VCS Expressway 90

MCU, gateway and Content Server registration 91

Configuring registration restriction policy 91

Registering aliases 92

About Allow and Deny Lists 95

Configuring the registration Allow List 95

Configuring the registration Deny List 96

Device authentication 97

About device authentication 98

Configuring VCS authentication policy 99

Controlling system behavior for authenticated and non-authenticated devices 100

Authentication policy configuration options 101

SIP authentication trust 104

Device provisioning and authentication policy 105

Presence and authentication policy 108

Hierarchical dial plans and authentication policy 109

Practical configuration of authentication policy 110

Configuring VCS authentication methods 111

Authentication using the local database 112

Using an H.350 directory service lookup via LDAP 114

Device authentication H.350 schemas 116

Using Active Directory database (direct) 116

Active Directory Service (ADS) configuration 118

Authenticating with external systems 121

Zones and neighbors 122

About your video communications network 123

Structuring your dial plan 124

Flat dial plan 124

Structured dial plan 124

Hierarchical dial plan 124

About the Local Zone and subzones 127

About zones 128

About the Default Zone 129

Configuring the Default Zone 129

Configuring Default Zone access rules 130

Media encryption policy 131

Zone configuration 132

Configuring neighbor zones 132

Configuring traversal client zones 135

Configuring traversal server zones 137

Configuring ENUM zones 140

Configuring DNS zones 140

Zone configuration: advanced settings 141

Zone configuration: pre-configured profile settings 146

TLS certificate verification of neighbor systems 147

Configuring a zone for incoming calls only 147

Cisco VCS Administrator Guide (X7.2) Page 5 of 498

Clustering and peers 148

About clusters 149

Resource usage within a cluster 151

Managing clusters and peers 152

Setting up a cluster 152

Maintaining a cluster 152

Peer-specific configuration 154

Sharing registrations across peers 155

Sharing bandwidth across peers 155

Cluster upgrades, backup and restore 156

Clustering and FindMe 156

Clustering and Presence 157

Clustering and TMS 157

About the Cluster Subzone 157

Neighboring the local VCS to another VCS cluster 158

TMS Agent replication status 159

Troubleshooting cluster replication problems 160

Dial plan and call processing 161

Call routing process 162

About the VCS's directory service 164

About hop counts 165

Dial plan configuration 166

About the fallback alias 166

About transforms and search rules 168

About pre-search transforms 169

Configuring pre-search transforms 169

Search and zone transform process 171

Configuring search rules 171

Example searches and transforms 175

Filter queries to a zone without transforming 175

Always query a zone with original alias (no transforms) 176

Query a zone for a transformed alias 176

Query a zone for original and transformed alias 177

Query a zone for two or more transformed aliases 178

Stripping @domain for dialing to H.323 numbers 179

Transforms for alphanumeric H.323 ID dial strings 181

Allowing calls to IP addresses only if they come from known zones 183

Configuring policy services 184

About Call Policy 186

Configuring Call Policy 186

Configuring Call Policy rules using the web interface 188

Configuring Call Policy using a CPL script 188

Configuring VCS to use the Cisco TelePresence Advanced Media Gateway 190

Configuring Cisco AM GW policy rules 191

Dialable address formats 193

Dialing by IP address 193

Dialing by H.323 ID or E.164 alias 193

Dialing by H.323 or SIP URI 193

Dialing by ENUM 194

Cisco VCS Administrator Guide (X7.2) Page 6 of 498

IP dialing 195

About URI dialing 197

URI dialing without DNS 197

URI dialing via DNS 198

URI resolution process using DNS 198

URI dialing via DNS for outgoing calls 199

URI dialing via DNS for incoming calls 201

URI dialing and firewall traversal 204

About ENUM dialing 205

ENUM dialing process 205

Enabling ENUM dialing 205

ENUM dialing for outgoing calls 206

Zone configuration for ENUM dialing 207

ENUM dialing for incoming calls 209

Configuring DNS servers for ENUM and URI dialing 210

Call signaling configuration 211

Identifying calls 212

Disconnecting calls 214

Bandwidth control 215

About bandwidth control 216

Bandwidth configuration 217

About downspeeding 217

About subzones 218

About the Traversal Subzone 218

About the Default Subzone 219

Configuring subzones 219

Configuring subzone membership rules 220

Applying bandwidth limitations to subzones 221

Links and pipes 223

Configuring links 223

Default links 223

Configuring pipes 224

Applying pipes to links 225

Bandwidth control examples 227

Firewall traversal 229

About firewall traversal 230

Configuring VCSs for firewall traversal 231

Configuring a traversal client and server 233

Firewall traversal protocols and ports 235

Firewall traversal and authentication 238

Authentication and NTP 239

Firewall configuration 240

Configuring Expressway and traversal endpoint communications 240

Configuring traversal server ports 241

About ICE and TURN services 242

About ICE 242

About TURN 242

Configuring TURN services 243

Cisco VCS Administrator Guide (X7.2) Page 7 of 498

Applications 244

Conference Factory 245

Presence 247

Presence Server 247

Presence User Agent (PUA) 248

Configuring Presence 249

OCS Relay 252

Microsoft OCS/Lync B2BUA (back-to-back user agent) 253

Configuring the Microsoft OCS/Lync B2BUA 254

Configuring the B2BUA's trusted hosts 256

Configuring transcoder policy rules 257

Configuring B2BUA transcoders 258

Restarting the B2BUA service 259

FindMe™ 260

User (FindMe) account configuration 260

How are devices specified? 260

FindMe process overview 261

Recommendations when deploying FindMe 261

Configuring FindMe 261

Searching for FindMe users 264

TMS provisioning 265

VCS Provisioning Server 266

Starter Pack provisioning 268

Configuring Starter Pack provisioning 268

Maintenance 269

About upgrading software components 270

Upgrade procedure 271

Upgrading using secure copy (SCP/PSCP) 272

Logging configuration 274

Event Log levels 274

Remote logging of events 274

Option keys 276

About security certificates 278

Trusted CA certificate 278

Managing the VCS's server certificate 279

CRL management 280

Certificate-based authentication configuration 282

Client certificate testing 283

Advanced account security 286

Configuring language settings 288

Changing the language 288

Installing language packs 288

About login accounts 289

Account authentication 289

Account types 289

Configuring login account authentication 290

Configuring remote account authentication using LDAP 291

Password security 293

Configuring administrator accounts 294

Cisco VCS Administrator Guide (X7.2) Page 8 of 498

Configuring administrator groups 295

Configuring user accounts 297

Configuring a user's principal devices 299

Configuring user groups 300

Resetting forgotten passwords 300

Root account 301

Backing up and restoring VCS data 303

Creating a backup 303

Restoring a previous backup 304

Diagnostics tools 306

Diagnostic logging 306

Creating a system snapshot 307

Configuring Network Log levels 308

Configuring Support Log levels 308

Incident reporting 309

Incident reporting caution: privacy-protected personal data 309

Sending incident reports automatically 309

Sending incident reports manually 310

Viewing incident reports 310

Incident report details 311

Checking the effect of a pattern 312

Locating an alias 313

Port usage 314

Local VCS inbound ports 314

Local VCS outbound ports 314

Remote listening ports 315

Network utilities 316

Ping 316

Traceroute 316

Tracepath 317

DNS lookup 317

Restarting 320

Rebooting 321

Shutting down 322

Developer resources 323

Debugging and system administration tools 323

Experimental menu 323

Reference material 324

Software version history 325

X7.1 325

X7 326

X6.1 328

X6 329

X5.2 330

X5.1 331

X5 334

X4 336

About Event Log levels 339

Event Log format 339

Administrator and FindMe user events 339

Cisco VCS Administrator Guide (X7.2) Page 9 of 498

Message details field 340

Events and levels 342

CPL reference 349

CPL address-switch node 349

otherwise 351

not-present 351

location 351

rule-switch 352

proxy 352

reject 353

Unsupported CPL elements 353

CPL examples 354

LDAP server configuration for device authentication 360

Downloading the H.350 schemas 360

Configuring a Microsoft Active Directory LDAP server 360

Configuring an OpenLDAP server 362

DNS configuration examples 365

Verifying the SRV record 365

Microsoft DNS server 365

BIND 8 & 9 365

Changing the default SSH key 367

Default SSH key alarms 367

Restoring default configuration 368

Password security 369

Pattern matching variables 370

Port reference 372

Regular expressions 378

Supported characters 380

TMS Agent (legacy) 381

TMS Agent passwords 383

What are traversal calls? 385

Alarms 386

Command reference — xConfiguration 403

Command reference — xCommand 456

Command reference — xStatus 470

About policy services 482

Flash status word reference table 484

Bibliography 485

Glossary 488

Accessibility notice 495

Legal notices 496

Intellectual property rights 496

Patent information 497

Cisco VCS Administrator Guide (X7.2) Page 10 of 498

Introduction

This section provides an overview of the Cisco TelePresence Video Communication Server, including:

nAbout the Cisco TelePresence Video Communication Server

nBase applications

nStandard features

nOptional features

nAbout this guide

nUsing the web interface

nWhat’s new in this version?

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