Cisco 5520 Wireless Controller Configuration Guide

Cisco Wireless Controller Configuration Guide, Release 8.7

First Published: 2018-04-20

Last Modified: 2020-09-16

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CONTENTS

Full Cisco Trademarks with Software License ?

Preface li

PREFACE

Audience li

Conventions li

Related Documentation lii

Overview 55

PART I

Cisco Wireless Solution Overview 1

CHAPTER 1

Core Components 2

Overview of Cisco Mobility Express 3

Initial Setup 5

CHAPTER 2

Cisco WLAN Express Setup 5

Restrictions on Cisco WLAN Express 8

Setting up Cisco Wireless Controller using Cisco WLAN Express (Wired Method) 8

Default Configurations 10

Configuring the Controller Using the Configuration Wizard 12

Configuring the Controller (GUI) 12

Configuring the Controller—Using the CLI Configuration Wizard 22

Using the AutoInstall Feature for Controllers Without a Configuration 25

Managing the Controller System Date and Time 26

Restrictions on Configuring the Controller Date and Time 26

Configuring the Date and Time (GUI) 26

Configuring the Date and Time (CLI) 28

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Management of Controllers 31

PART II

Administration of Controller 33

CHAPTER 3

Using the Controller Interface 33

Using the Controller GUI 33

Restrictions on using Controller GUI 34

Logging On to the GUI 34

Logging out of the GUI 35

Using the Controller CLI 35

Logging on to the Controller CLI 35

Using a Local Serial Connection 35

Using a Remote Telnet or SSH Connection 36

Logging Out of the CLI 37

Navigating the CLI 37

Enabling Web and Secure Web Modes 38

Enabling Web and Secure Web Modes (GUI) 38

Enabling Web and Secure Web Modes (CLI) 39

Telnet and Secure Shell Sessions 41

Configuring Telnet and SSH Sessions (GUI) 42

Configuring Telnet and SSH Sessions (CLI) 42

Configuring Telnet Privileges for Selected Management Users (GUI) 44

Configuring Telnet Privileges for Selected Management Users (CLI) 44

Management over Wireless 45

Enabling Management over Wireless (GUI) 45

Enabling Management over Wireless (CLI) 45

Configuring Management using Dynamic Interfaces (CLI) 46

Monitoring Dashboard 47

CHAPTER 4

Monitoring Dashboard 47

Numerical Statistics 48

Graphical Widgets 48

Network Summary 50

Network Summary—Access Points 50

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Network Summary—Clients 50

Rogues 51

Rogue Access Points 51

Rogue Clients 51

Interferers 51

Wireless Dashboard 52

AP Performance 52

Client Performance 52

Best Practices 52

Managing Licenses 53

CHAPTER 5

Cisco Wireless Controller Licensing 53

Installing a License 54

Installing a License (GUI) 54

Installing a License (CLI) 55

Viewing Licenses 55

Viewing Licenses (GUI) 55

Viewing Licenses (CLI) 56

Configuring the Maximum Number of Access Points Supported 59

Configuring Maximum Number of Access Points to be Supported (GUI) 59

Configuring Maximum Number of Access Points to be Supported (CLI) 60

Troubleshooting Licensing Issues 60

Activating an AP-Count Evaluation License 60

Information About Activating an AP-Count Evaluation License 60

Activating an AP-Count Evaluation License (GUI) 61

Activating an AP-Count Evaluation License (CLI) 61

Cisco Smart Software Licensing 63

Restrictions for Using Cisco Smart Software Licensing 63

Configuring Cisco Smart Software Licensing (GUI) 64

Configuring the Cisco Smart Software Licensing on WLC (CLI) 65

Updating DNS IP Address for Cisco Smart Software Licensing (CLI) 66

Right to Use Licensing 66

Configuring Right to Use Licensing (GUI) 67

Configuring Right to Use Licensing (CLI) 68

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Rehosting Licenses 68

Information About Rehosting Licenses 68

Rehosting a License 69

Rehosting a License (GUI) 69

Rehosting a License (CLI) 70

License Agent 72

Configuring the License Agent (GUI) 72

Configuring the License Agent (CLI) 73

Call-Home 74

Configuring Call-Home (GUI) 74

Configuring Call-Home Parameters (CLI) 76

Retrieving the Unique Device Identifier on Controllers and Access Points 77

Retrieving the Unique Device Identifier on Controllers and Access Points (GUI) 77

Retrieving the Unique Device Identifier on Controllers and Access Points (CLI) 78

Managing Software 79

CHAPTER 6

Upgrading the Controller Software 79

Considerations for Upgrading Controller Software 79

Upgrading Controller Software (GUI) 80

Upgrading Controller Software (CLI) 82

Predownloading an Image to an Access Point 84

Access Point Predownload Process 85

Guidelines and Restrictions for Predownloading an Image to an Access Point 87

Predownloading an Image to Access Points—Global Configuration (GUI) 87

Predownloading an Image to Access Points (CLI) 88

Bootloader and Recovery Image 90

Configuring Boot Order (GUI) 90

Recovering an Access Point Using TFTP 91

Managing Configuration 93

CHAPTER 7

Resetting the Controller to Default Settings 93

Resetting the Controller to Default Settings (GUI) 93

Resetting the Controller to Default Settings (CLI) 94

Saving Configurations 94

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Editing Configuration Files 94

Clearing the Controller Configuration 96

Restoring Passwords 96

Rebooting the Controller 97

Transferring Files to and from a Controller 97

Backing Up and Restoring Controller Configuration 97

Uploading Configuration Files 98

Downloading Configuration Files 100

Downloading a Login Banner File 102

Downloading a Login Banner File (GUI) 103

Downloading a Login Banner File (CLI) 104

Clearing the Login Banner (GUI) 105

Uploading Diagnostic Support Bundle 105

Uploading Diagnostic Support Bundle (GUI) 105

Uploading Diagnostic Support Bundle (CLI) 106

Network Time Protocol Setup 107

CHAPTER 8

Authentication for the Controller and NTP/SNTP Server 107

Guidelines and Restrictions on NTP 107

Configuring the NTP/SNTP Server to Obtain the Date and Time (GUI) 108

Configuring the NTP/SNTP Server to Obtain the Date and Time (CLI) 108

Configuring NTPv4 Keys for Authentication (GUI) 109

High Availability 111

CHAPTER 9

Information About High Availability 111

Restrictions for High Availability 115

Configuring High Availability (GUI) 118

Enabling High Availability (CLI) 119

Configuring High Availability Parameters (CLI) 121

vWLC and N+1 High Availability 122

Adding a Hash Key to a Cisco vWLC (GUI) 123

Adding a Hash Key to Cisco vWLC (CLI) 123

Monitoring High Availability Standby WLC 124

Replacing the Primary Controller in an HA Setup 126

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Managing Certificates 127

CHAPTER 10

Information about Loading an Externally Generated SSL Certificate 127

Loading an SSL Certificate (GUI) 128

Loading an SSL Certificate (CLI) 128

Downloading Device Certificates 129

Downloading Device Certificates (GUI) 130

Downloading Device Certificates (CLI) 131

Uploading Device Certificates 132

Uploading Device Certificates (GUI) 132

Uploading Device Certificates (CLI) 133

Downloading CA Certificates 134

Download CA Certificates (GUI) 134

Downloading CA Certificates (CLI) 135

Uploading CA Certificates 136

Uploading CA Certificates (GUI) 136

Uploading CA Certificates (CLI) 137

Generating a Certificate Signing Request 137

Generating a Certificate Signing Request using OpenSSL 138

Generating a Certificate Signing Request using Cisco Wireless Controller (GUI) 140

Downloading Third-Party Certificate 141

Downloading Third-Party Certificate (GUI) 141

Downloading Third-Party Certificate (CLI) 142

AAA Administration 143

CHAPTER 11

Setting up RADIUS 143

Restrictions on Configuring RADIUS 145

Configuring RADIUS Authentication (GUI) 145

Configuring RADIUS Accounting Servers (GUI) 148

Configuring RADIUS (CLI) 150

RADIUS Authentication Attributes Sent by the Controller 155

Authentication Attributes Honored in Access-Accept Packets (Airespace) 157

RADIUS Accounting Attributes 165

Setting up TACACS+ 166

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TACACS+ VSA 169

Configuring TACACS+ (GUI) 169

Configuring TACACS+ (CLI) 172

Maximum Local Database Entries 174

Configuring Maximum Local Database Entries (GUI) 174

Configuring Maximum Local Database Entries (CLI) 175

Managing Users 177

CHAPTER 12

Administrator Usernames and Passwords 177

Restrictions on Managing User Accounts 177

Configuring Usernames and Passwords (GUI) 177

Configuring Usernames and Passwords (CLI) 178

Lobby Ambassador Account 179

Creating a Lobby Ambassador Account (GUI) 179

Creating a Lobby Ambassador Account (CLI) 180

Creating Guest User Accounts as a Lobby Ambassador (GUI) 180

Guest Accounts 181

Viewing the Guest Accounts (GUI) 181

Viewing the Guest Accounts (CLI) 182

Client Whitelisting 182

Restrictions for Client Whitelisting 182

Configuring Lobby Administrator by Global Administrator (GUI) 183

Configuring Lobby Administrator by Global Administrator (CLI) 183

Configuring Client Whitelist by Global Administrator (CLI) 184

Configuring Lobby Administrator Access on WLAN by Global Administrator (GUI) 184

Creating Client Whitelist by Lobby Administrator (GUI) 185

Deleting MAC Address from Whitelist (GUI) 186

Password Policies 187

Configuring Password Policies (GUI) 187

Configuring Password Policies (CLI) 188

Ports and Interfaces 191

CHAPTER 13

Ports 191

Distribution System Ports 191

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Restrictions for Configuring Distribution System Ports 191

Service Port 192

Configuring Ports (GUI) 192

Configuring Ports (CLI) 194

Link Aggregation 195

Restrictions on Link Aggregation 195

Configuring Link Aggregation (GUI) 197

Configuring Link Aggregation (CLI) 197

Verifying Link Aggregation Settings (CLI) 198

Configuring Neighbor Devices to Support Link Aggregation 198

Choosing Between Link Aggregation and Multiple AP-Manager Interfaces 198

Interfaces 199

Restrictions for Configuring Interfaces 199

Dynamic AP Management 200

WLANs 200

Management Interface 202

Configuring the Management Interface (GUI) 202

Configuring the Management Interface (CLI) 203

Virtual Interface 205

Configuring Virtual Interfaces (GUI) 206

Configuring Virtual Interfaces (CLI) 206

Service-Port Interfaces 206

Configuring Service-Port Interfaces Using IPv4 (GUI) 208

Configuring Service-Port Interfaces Using IPv4 (CLI) 208

Configuring Service-Port Interface Using IPv6 (GUI) 209

Configuring Service-Port Interfaces Using IPv6 (CLI) 209

Dynamic Interface 210

Prerequisites for Configuring Dynamic Interfaces 210

Restrictions on Configuring Dynamic Interfaces 211

Configuring Dynamic Interfaces (GUI) 211

Configuring Dynamic Interfaces (CLI) 212

AP-Manager Interface 214

Restrictions for Configuring AP Manager Interface 214

Configuring the AP-Manager Interface (GUI) 215

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Configuring the AP Manager Interface (CLI) 215

Interface Groups 216

Restrictions on Configuring Interface Groups 216

Creating Interface Groups (GUI) 217

Creating Interface Groups (CLI) 217

Adding Interfaces to Interface Groups (GUI) 217

Adding Interfaces to Interface Groups (CLI) 218

Viewing VLANs in Interface Groups (CLI) 218

Adding an Interface Group to a WLAN (GUI) 218

Adding an Interface Group to a WLAN (CLI) 219

IPv6 Clients 221

CHAPTER 14

IPv6 Client Mobility 221

Prerequisites for Configuring IPv6 Mobility 221

Restrictions on Configuring IPv6 Mobility 222

Global IPv6 222

Restrictions on Global IPv6 222

Configuring IPv6 Globally (GUI) 222

Configuring IPv6 Globally (CLI) 223

RA Guard 223

Configuring RA Guard (GUI) 223

Configuring RA Guard (CLI) 224

RA Throttling 224

Configuring RA Throttling (GUI) 224

Configuring the RA Throttle Policy (CLI) 225

IPv6 Neighbor Discovery 225

Configuring Neighbor Binding (GUI) 225

Configuring Neighbor Binding (CLI) 226

Access Control Lists 227

CHAPTER 15

Information about Access Control Lists 227

Guidelines and Restrictions on Access Control Lists 228

Configuring Access Control Lists (GUI) 229

Applying an Access Control List to an Interface (GUI) 231

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Applying an Access Control List to the Controller CPU (GUI) 231

Applying an Access Control List to a WLAN (GUI) 232

Applying a Preauthentication Access Control List to a WLAN (GUI) 233

Configuring Access Control Lists (CLI) 233

Applying Access Control Lists (CLI) 234

Layer 2 Access Control Lists 235

Restrictions on Layer 2 Access Control Lists 236

Configuring Layer 2 Access Control Lists (CLI) 236

Configuring Layer 2 Access Control Lists (GUI) 237

Applying a Layer2 Access Control List to a WLAN (GUI) 238

Applying a Layer2 Access Control List to an AP on a WLAN (GUI) 239

DNS-based Access Control Lists 239

Restrictions on DNS-based Access Control Lists 240

Configuring DNS-based Access Control Lists (CLI) 240

Configuring DNS-based Access Control Lists (GUI) 241

CNAME IPv6 Filtering 242

Restrictions for CNAME IPv6 Filtering 242

Configuring CNAME URL ACL (GUI) 242

Configuring Web Authentication for CNAME IPv6 Filtering on a WLAN (GUI) 243

Configuring Web Authentication for CNAME IPv6 Filtering Using External RADIUS Server (GUI)

243

Configuring IPv6 CNAME Filtering (CLI) 244

Domain Based Filtering 244

Restrictions on Domain Based Filtering 245

Configuring Domain Based Filtering (GUI) 245

Configuring Access Control Lists (GUI) 245

Creating a URL ACL List (GUI) 246

Applying a URL Filtering Access Control List Globally (GUI) 246

Applying a URL Filtering Access Control List to an Interface (GUI) 247

Applying a URL Filtering Access Control List for a WLAN (GUI) 247

Mapping the Policy to a WLAN (GUI) 247

Mapping the Policy to an AP Group (GUI) 248

Configuring DNS Filtering (CLI) 249

Configuring URL Filtering (CLI) 249

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Configuring Access Control List Rules (CLI) 249

Applying Local Policy (CLI) 250

Viewing URL Filtering (CLI) 250

Troubleshooting URL Filtering (CLI) 251

Multicast/Broadcast Setup 253

CHAPTER 16

Multicast/Broadcast Mode 253

Restrictions on Configuring Multicast Mode 255

Enabling Multicast Mode (GUI) 257

Enabling Multicast Mode (CLI) 258

Viewing Multicast Groups (GUI) 259

Viewing Multicast Groups (CLI) 259

Viewing an Access Point’s Multicast Client Table (CLI) 260

Media Stream 260

Prerequisites for Media Stream 261

Restrictions for Configuring Media Stream 261

Configuring Media Stream (GUI) 261

Configuring Media Stream (CLI) 265

Configuring Media Parameters (GUI) 266

Viewing and Debugging Media Stream 267

Multicast Domain Name System 267

Restrictions for Configuring Multicast DNS 269

Configuring Multicast DNS (GUI) 270

Configuring Multicast DNS (CLI) 272

Bonjour Gateway Based on Access Policy 275

Restrictions on Bonjour Gateway Based on Access Policy 276

Configuring mDNS Service Groups (GUI) 276

Configuring mDNS Service Groups (CLI) 276

Controller Security 279

CHAPTER 17

FIPS, CC, and UCAPL 279

FIPS 279

FIPS Self-Tests 279

Information About CC 280

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Information About UCAPL 280

Configuring FIPS (CLI) 281

Configuring CC (CLI) 281

Configuring UCAPL (CLI) 282

Preparing Controller in FIPS Mode for Management in Cisco Prime Infrastructure (CLI) 282

Cisco TrustSec 284

Guidelines and Restrictions on Cisco TrustSec 288

Configuring Cisco TrustSec 291

Configuring Cisco TrustSec on Controller (GUI) 291

Configuring Cisco TrustSec on Cisco WLC (CLI) 291

Configuring Cisco TrustSec Override for an Access Point (CLI) 291

SXP 291

Cisco TrustSec Credentials 294

Monitoring Environment Data 295

Configuring a Static Security Group Tag on a WLAN 296

Configuring Inline Tagging 297

Verifying SGACL Policy Download 298

Configuring Policy Enforcement 299

Debugging Cisco TrustSec in Cisco WLC (CLI) 300

Cisco TrustSec Commands on Lightweight APs 301

IPSec Profile 302

Configuring an IPSec Profile (GUI) 302

Configuring an IPSec Profile (CLI) 303

Cisco Umbrella WLAN (OpenDNS) 305

CHAPTER 18

Cisco Umbrella WLAN (OpenDNS) 305

Configuring Cisco Umbrella WLAN (GUI) 306

Configuring Cisco Umbrella WLAN (CLI) 307

Configuring Local Policies for Cisco Umbrella (GUI) 308

SNMP 311

CHAPTER 19

Guidelines and Limitations for SNMP 311

Configuring SNMP (CLI) 311

SNMP Community Strings 313

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Changing the SNMP Community String Default Values (GUI) 314

Changing the SNMP Community String Default Values (CLI) 314

Configuring Real Time Statistics (CLI) 315

SNMP Trap Enhancements 316

Configuring SNMP Trap Receiver (GUI) 316

Mobility 317

PART III

Overview 319

CHAPTER 20

Information About Mobility 319

Guidelines and Restrictions 322

Auto-Anchor Mobility 325

CHAPTER 21

Information about Auto-Anchor Mobility 325

Restrictions for Auto-Anchor Mobility 326

Configuring Auto-Anchor Mobility (GUI) 327

Configuring Auto-Anchor Mobility (CLI) 328

Guest Anchor Priority 330

Configuring Guest Anchor Priority (GUI) 331

Configuring Guest Anchor Priority (CLI) 331

Mobility Groups 333

CHAPTER 22

Information About Mobility Groups 333

Prerequisites for Configuring Mobility Groups 336

Configuring Mobility Groups (GUI) 337

Configuring Mobility Groups (CLI) 339

Viewing Mobility Group Statistics (GUI) 340

Viewing Mobility Group Statistics (CLI) 342

Encrypted Mobility Tunnel 343

CHAPTER 23

Information about Encrypted Mobility Tunnel 343

Restrictions for Encrypted Mobility Tunnel 343

Configuring Global Encrypted Mobility Tunnel (GUI) 344

Configuring Global Encrypted Mobility Tunnel (CLI) 344

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Monitoring and Validating Mobility 347

CHAPTER 24

Mobility Ping Tests 347

Restrictions for Mobility Ping Tests 347

Running Mobility Ping Tests (CLI) 347

WLAN Mobility Security Values 348

Wireless 351

PART IV

Country Codes 353

CHAPTER 25

Information About Configuring Country Codes 353

Restrictions for Configuring Country Codes 354

Configuring Country Codes (GUI) 354

Configuring Country Codes (CLI) 355

Radio Bands 359

CHAPTER 26

802.11 Bands 359

Configuring the 802.11 Bands (GUI) 359

Configuring the 802.11 Bands (CLI) 361

802.11n Parameters 363

Configuring the 802.11n Parameters (GUI) 363

Configuring the 802.11n Parameters (CLI) 365

802.11ac Parameters 367

Restrictions for 802.11ac Support 369

Configuring the 802.11ac High-Throughput Parameters (GUI) 370

Configuring the 802.11ac High-Throughput Parameters (CLI) 370

Radio Resource Management 373

CHAPTER 27

Information about Radio Resource Management 373

Radio Resource Monitoring 374

Benefits of RRM 374

Information About Configuring RRM 375

Configuring RRM (CLI) 375

Viewing RRM Settings (CLI) 380

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RF Groups 380

Information About RF Groups 380

RF Group Leader 381

RF Group Name 382

Controllers and APs in RF Groups 383

Configuring RF Groups 383

Configuring an RF Group Name (GUI) 383

Configuring an RF Group Name (CLI) 384

Configuring the RF Group Mode (GUI) 384

Configuring the RF Group Mode (CLI) 385

Viewing RF Group Status 386

Viewing the RF Group Status (GUI) 386

Viewing the RF Group Status (CLI) 386

Rogue Access Point Detection in RF Groups 387

Enabling Rogue Access Point Detection in RF Groups (GUI) 387

Configuring Rogue Access Point Detection in RF Groups (CLI) 388

Off-Channel Scanning Deferral 388

Configuring Off-Channel Scanning Deferral for WLANs 389

Configuring Off-Channel Scanning Deferral for a WLAN (GUI) 389

Configuring Off Channel Scanning Deferral for a WLAN (CLI) 390

RRM NDP and RF Grouping 390

Configuring RRM NDP (CLI) 391

Channels 391

Dynamic Channel Assignment 391

Configuring Dynamic Channel Assignment (GUI) 393

Configuring RRM Profile Thresholds, Monitoring Channels, and Monitor Intervals (GUI) 396

Overriding RRM 398

Prerequisites for Overriding RRM 398

Statically Assigning Channel and Transmit Power Settings (GUI) 399

Statically Assigning Channel and Transmit Power Settings (CLI) 400

Disabling Dynamic Channel and Power Assignment (CLI) 403

802.11h Parameters 404

Configuring the 802.11h Parameters (GUI) 404

Configuring the 802.11h Parameters (CLI) 405

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Transmit Power Control 405

Overriding the TPC Algorithm with Minimum and Maximum Transmit Power Settings 406

Configuring Transmit Power Control (GUI) 406

Coverage Hole Detection and Correction 408

Configuring Coverage Hole Detection (GUI) 408

RF Profiles 409

Prerequisites for Configuring RF Profiles 412

Restrictions on Configuring RF Profiles 412

Configuring an RF Profile (GUI) 413

Configuring an RF Profile (CLI) 415

Applying an RF Profile to AP Groups (GUI) 417

Applying RF Profiles to AP Groups (CLI) 417

Flexible Radio Assignment 417

Advantages of Flexible Radio Assignment 418

Configuring Flexible Radio Assignment-Global (GUI) 419

Configuring Flexible Radio Assignment (CLI) 420

Configuring Flexible Radio Assignment for AP (GUI) 420

Configuring Auto Radio Role for the AP (CLI) 421

Configuring Manual Radio Role for the AP (CLI) 421

Configuring Radio Band for Client-Serving Radio (CLI) 422

Debug RRM Issues (CLI) 422

Wireless Quality of Service 423

CHAPTER 28

CleanAir 423

Role of the Cisco Wireless LAN Controller in a Cisco CleanAir System 424

Interference Types that Cisco CleanAir Can Detect 424

Persistent Devices 425

Persistent Devices Detection 425

Persistent Devices Propagation 425

Detecting Interferers by an Access Point 426

Prerequisites for CleanAir 426

Restrictions for CleanAir 427

Configuring Cisco CleanAir on the Controller 427

Configuring Cisco CleanAir on Cisco WLC (GUI) 427

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Configuring Cisco CleanAir on Cisco WLC (CLI) 430

Configuring Cisco CleanAir on an Access Point 434

Configuring Cisco CleanAir on an Access Point (GUI) 434

Configuring Cisco CleanAir on an Access Point (CLI) 435

Configuring Spectrum Intelligence 435

Information About Spectrum Intelligence 435

Configuring Spectrum Intelligence – Global (GUI) 436

Configuring Spectrum Intelligence per AP (GUI) 437

Configuring Spectrum Intelligence (CLI) 437

Monitoring Interference Devices 437

Prerequisites for Monitoring the Interference Devices 437

Monitoring the Interference Device (GUI) 438

Monitoring the Interference Device (CLI) 439

Monitoring Persistent Devices (GUI) 441

Monitoring Persistent Devices (CLI) 442

Monitoring the Air Quality of Radio Bands 443

Media and EDCA 446

Aggressive Load Balancing 446

Configuring Aggressive Load Balancing (GUI) 447

Configuring Aggressive Load Balancing (CLI) 448

Media Session and Snooping 449

Media Session Snooping and Reporting 449

Restrictions for Media Session Snooping and Reporting 449

Configuring Media Session Snooping (GUI) 449

Configuring Media Session Snooping (CLI) 450

QoS Enhanced BSS 454

Prerequisites for Using QoS Enhanced BSS on Cisco 7921 and 7920 Wireless IP Phones 455

Restrictions for QoS Enhanced BSS 455

Configuring QBSS (GUI) 456

Configuring QBSS (CLI) 456

Reanchoring of Roaming Voice Clients 457

Information About Reanchoring of Roaming Voice Clients 457

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Restrictions for Configuring Reanchoring of Roaming Voice Clients 458

Configuring Reanchoring of Roaming Voice Clients (GUI) 458

Configuring Reanchoring of Roaming Voice Clients (CLI) 458

Call Admission Control 459

Voice and Video Parameters 459

Configuring Voice Parameters 459

Configuring Voice Parameters (GUI) 459

Configuring Voice Parameters (CLI) 461

Configuring Video Parameters 462

Configuring Video Parameters (GUI) 462

Configuring Video Parameters (CLI) 463

Viewing Voice and Video Settings 464

Viewing Voice and Video Settings (GUI) 464

Viewing Voice and Video Settings (CLI) 464

Configuring SIP-Based CAC 468

Restrictions for SIP-Based CAC 468

Configuring SIP-Based CAC (GUI) 468

Configuring SIP-Based CAC (CLI) 469

Configuring Media Parameters (GUI) 469

Voice Prioritization Using Preferred Call Numbers 470

Prerequisites for Configuring Voice Prioritization Using Preferred Call Numbers 470

Configuring a Preferred Call Number (GUI) 470

Configuring a Preferred Call Number (CLI) 471

Enhanced Distributed Channel Access Parameters 471

Configuring EDCA Parameters (GUI) 471

Configuring EDCA Parameters (CLI) 472

Key Telephone System-Based CAC 473

Restrictions for Key Telephone System-Based CAC 474

Configuring KTS-based CAC (GUI) 474

Configuring KTS-based CAC (CLI) 475

Application Visibility and Control 476

Restrictions for Application Visibility and Control 477

Configuring Application Visibility and Control (GUI) 478

Configuring Application Visibility and Control (CLI) 479

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