Allen-Bradley Stratix 5100 - Displaying the DNS Configuration

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Rockwell Automation Publication 1783-UM006A-EN-P - May 2014 239

Administering the WAP Access Chapter 6

Displaying the DNS Configuration

To display the DNS configuration information, use the show running-

config

privileged EXEC command. When DNS is configured on the wireless

device, the

show running-config command sometimes a server IP address

appears instead of its name.

Main Page

Default Chapter2
- Important User Information2
- Table of Contents3
- Audience17
- Purpose17
- Organization18
- Additional Resources19
  - Rockwell Automation Support20
- Conventions19
Chapter 1 Configuring the Access Point23
- Management Options23
- Regulatory Domains23
- Roaming Client Devices24
- Network Configuration Examples25
  - Root Access Point25
- Repeater Access Point26
- Unpacking28
- Items Shipped with the WAP29
Chapter 2 Stratix 5100 WAP Specifications32
- Ethernet Cable Recommendation32
- Ports and Connections32
- External Antennas33
  - Antenna Cable Extensions Recommendation33
- Initial Configuration36
- Preparing the Access Point36
- Prevent Damage to the WAP36
- Install the WAP37
- Grounding the Access Point39
- Securing the Access Point40
  - Securing the Access Point to the Mounting Plate40
  - Using a Security Cable41
- Mounting the Access Point41
- Deploying the Access Point on the Wireless Network47
  - Access Point Status Indicators48
  - Checking Power49
- Configure the Access Point50
- Using Device Manager52
- Before You Start53
Chapter 353
- Login to the Stratix 5100 WAP53
- Connect to the Stratix 5100 WAP Access Point Locally54
- Default Radio Settings54
- Obtain and Assign an IP Address54
  - Default IP Address Behavior54
- Reset the WAP to Default Settings55
  - Reset to WAP Default Settings by Using MODE55
  - Reset to Default Settings by Using the GUI55
- Configure the Basic Settings for an Access Point57
- Logging into the Access Point57
- Using Online Help57
- Enable the Radio on the Network61
- Using Vlans63
- Configuring Security64
- CLI Configuration Example74
- Deleting an HTTPS Certificate75
- Disabling the Web Browser Interface75
- Device Manager System Management Tabs79
Chapter 4 Easy Setup Network Configuration Page80
- Network Configuration Settings on the Easy Setup Page81
- Radio Configuration Settings on the Easy Setup Page83
- Security Configuration Settings on the Easy Setup Page85
- Network Page86
- Association Page104
- Wireless Page105
  - Wds107
- Security Page111
- Services Page135
- Management Page164
  - Webauth Login165
- Software Page166
- Event Log Page171
  - Configuration Options Page173
- Cisco IOS Command Modes175
Chapter 5 Getting Help176
- Abbreviating Commands177
- Using no and Default Forms of Commands177
- Understanding CLI Messages178
- Using Command History178
  - Changing the Command History Buffer Size178
- Recalling Commands179
  - Disabling the Command History Feature179
- Using Editing Features179
- Accessing CLI182
  - Opening CLI with Telnet182
- Searching and Filtering Output of Show and more Commands182
- Opening CLI with Secure Shell183
  - Reset Default Settings by Using CLI183
- Security CLI Configuration Examples184
- Assign an IP Address by Using CLI193
- Configuring the 802.1X Supplicant194
- Using a Terminal Application Session to Access CLI194
- Creating a Credentials Profile195
- Creating and Applying EAP Method Profiles197
Administering the WAP Access199
Chapter 6200
- Disabling the Mode Button200
- Preventing Unauthorized Access to Your Access Point201
- Protecting Access to Privileged EXEC Commands201
- Default Password and Privilege Level Configuration202
- Setting or Changing a Static Enable Password202
- Protecting Enable and Enable Secret Passwords with Encryption204
- Configuring Username and Password Pairs205
- Configuring Multiple Privilege Levels207
  - Setting the Privilege Level for a Command207
  - Logging into and Exiting a Privilege Level208
- Controlling Access Point Access with RADIUS208
  - Default RADIUS Configuration209
  - Configuring RADIUS Login Authentication209
  - Defining AAA Server Groups211
  - Configuring RADIUS Authorization for User Privileged Access and Network Services213
  - Displaying the RADIUS Configuration214
- Controlling Access Point Access with TACACS215
  - Default TACACS+ Configuration215
  - Configuring TACACS+ Login Authentication215
  - Configuring TACACS+ Authorization for Privileged EXEC Access217
  - And Network Services217
  - Displaying the TACACS+ Configuration218
- Configuring Ethernet Speed and Duplex Settings218
- Configuring the Access Point for Wireless Network Management219
- Configuring the Access Point for Local Authentication220
  - And Authorization220
- Configuring the Authentication Cache and Profile221
- Configuring the Access Point to Provide DHCP Service225
  - Setting up the DHCP Server225
- Monitoring and Maintaining the DHCP Server Access Point227
  - Show Commands227
  - Clear Commands227
  - Debug Command227
- Configuring the Access Point for Secure Shell228
  - Understanding SSH228
  - Configuring SSH228
- Configuring Client ARP Caching229
  - Optional ARP Caching229
  - Configuring ARP Caching229
- Managing the System Time and Date230
  - Configuring SNTP230
  - Configuring Time and Date Manually231
  - Setting the System Clock231
  - Displaying the Time and Date Configuration232
  - Configuring the Time Zone232
  - Configuring Summer Time (Daylight Saving Time)233
- Configuring a System Name and Prompt235
- Defining HTTP Access235
- Default System Name and Prompt Configuration236
  - Configuring a System Name236
- Understanding DNS237
  - Default DNS Configuration237
  - Setting up DNS237
  - Displaying the DNS Configuration239
Configuring Radio Settings241
Chapter 7242
- Configuring the Role in Radio Network242
- Enabling the Radio Interface242
- Configuring Dual-Radio Fallback245
- Universal Workgroup Bridge Mode245
- Fast Ethernet Tracking246
- Radio Tracking246
- Configuring Radio Data Rates247
- MAC-Address Tracking247
- Access Points Send Multicast and Management Frames249
  - At Highest Basic Rate249
- Configuring MCS Rates251
- Configuring Radio Transmit Power253
- Limiting the Power Level for Associated Client Devices254
- Configuring Radio Channel Settings255
- 802.11N Channel Widths256
- Dynamic Frequency Selection257
  - Radar Detection on a DFS Channel259
- CLI Commands259
  - Confirming that DFS Is Enabled259
- Configuring a Channel260
  - Blocking Channels from DFS Selection261
- Setting the 802.11N Guard Interval262
- Configuring Location-Based Services263
  - Understanding Location-Based Services263
  - Configuring LBS on Access Points264
- Disabling and Enabling Short Radio Preambles265
- Configuring Transmit and Receive Antennas266
- Enabling and Disabling Gratuitous Probe Response267
- Disabling and Enabling Aironet Extensions268
- Configuring the Ethernet Encapsulation Transformation Method270
- Enabling and Disabling Reliable Multicast to Workgroup Bridges270
- Enabling and Disabling Public Secure Packet Forwarding272
- Configuring Protected Ports273
- Configuring the Beacon Period and the DTIM273
- Configure RTS Threshold and Retries274
- Configuring the Fragmentation Threshold275
- Configuring the Maximum Data Retries275
- Enabling Short Slot Time for 802.11G Radios276
- Configuring Clientlink277
  - Using CLI to Configure Clientlink277
- Performing a Carrier Busy Test277
- Debugging Radio Functions278
Chapter 8279
- Understanding Multiple Ssids279
Configuring Multiple Ssids280
- Effect of Software Versions on Ssids280
- Configuring Multiple Ssids281
- Restrict Ssids by Using a RADIUS Server285
- Configuring Multiple Basic Ssids286
- Assigning IP Redirection for an SSID291
  - Guidelines for Using IP Redirection292
  - Configuring IP Redirection292
- Including an SSID in an SSIDL IE293
- NAC Support for MBSSID294
- Configuring NAC for MBSSID297
Chapter 9301
Configuring Spanning Tree Protocol301
- Understanding Spanning Tree Protocol (STP)301
- Access Point/Bridge Protocol Data Units302
- Election of the Spanning-Tree Root304
- Spanning-Tree Timers304
- Creating the Spanning-Tree Topology305
- Configuring STP Features308
  - Default STP Configuration309
  - Configuring STP Settings309
- STP Configuration Examples310
- Displaying Spanning-Tree Status318
- Understanding Local Authentication319
Chapter 10 Configuring a Local Authenticator320
- Configuration Overview320
- Configuring/Enabling Local MAC Authentication321
  - Configuring the SSID321
  - Creating Local MAC Address Lists322
- Creating and Enabling MAC Authentication323
- Configuring Network EMAP327
  - Configuring Advanced EAP Parameters330
- Configuring the Local Authenticator Access Point by Using CLI331
  - Local Authenticator332
- Configuring EAP-FAST Settings336
- Limiting the Local Authenticator to One Authentication Type339
- Unblocking Locked Usernames339
  - Viewing Local Authenticator Statistics339
- Using Debug Messages341
- Understanding Cipher Suites and WEP343
Chapter 11 Configuring Cipher Suites and WEP345
- Creating WEP Keys345
- WEP Key Restrictions346
- Example WEP Key Setup347
- Enabling Cipher Suites and WEP347
- Matching Cipher Suites with WPA or CCKM348
- Enabling and Disabling Broadcast Key Rotation349
- Understanding Authentication Types351
Chapter 12 Open Authentication to the Access Point352
- Shared Key Authentication to the Access Point352
- EAP Authentication to the Network353
- MAC Address Authentication to the Network354
- Combining MAC-Based, EAP, and Open Authentication355
- Using CCKM for Authenticated Clients356
- Using WPA Key Management357
  - Wpa-Tkip358
- Configuring Authentication Types359
  - Assigning Authentication Types to an SSID359
  - Configuring WPA Migration Mode363
- Configuring Additional WPA Settings364
- Configuring Authentication Hold-Off, Timeout, and Interval368
- Creating and Applying EAP Method Profiles370
- Matching Access Point and Client Device Authentication Types372
- Authentication Type373
- Understanding WDS375
Chapter 13376
- Role of the WDS Device376
- Role of Access Points by Using the WDS Device377
- Understanding Fast Secure Roaming377
- Understanding Layer 3 Mobility379
- Understanding Radio Management379
- Understanding Wireless Intrusion Detection Services381
- Configuring WDS382
- Configuring Access Points as Potential WDS Devices384
  - Configure a Group of Servers387
  - Configuring Access Points to Use the WDS Device390
- CLI Configuration Example391
- Configuring Fast Secure Roaming393
- Configuring Management Frame Protection396
- Management Frame Protection397
- Client MFP for Access Points in Root Mode398
  - Configuring Client MFP398
- Configuring Radio Management400
  - CLI Configuration Example402
- Configuring Access Points to Participate in WIDS402
- Configuring WLSM Failover406
  - Resilient Tunnel Recovery406
  - Active/Standby WLSM Failover406
- Configuring and Enabling RADIUS407
Chapter 14409
- RADIUS Operation409
- Configuring RADIUS410
- Default RADIUS Configuration410
- Identifying the RADIUS Server Host410
- Configuring RADIUS Login Authentication414
- Defining AAA Server Groups416
- Configuring RADIUS Authorization for User Privileged Access and Network Services418
- Configuring Packet of Disconnect419
- Starting RADIUS Accounting421
- Selecting the CSID Format422
  - Configuring Settings for All RADIUS Servers422
- Configuring the Access Point to Use Vendor-Specific424
  - RADIUS Attributes424
- Configuring the Access Point for Vendor-Proprietary RADIUS Server425
- Configuring and Enabling TACACS431
Chapter 15 Understanding Vlans441
- Related Documents443
- Incorporating Wireless Devices into Vlans444
Configuring Vlans441
- Configuring Vlans445
- VLAN Configuration Example450
  - Using Stratix 5100 Device Manager454
  - Set the Encryption for the VLAN455
Chapter 16 Understanding Qos for Wireless Lans457
- Qos for Wireless Lans Versus Qos on Wired Lans458
- Impact of Qos on a Wireless LAN458
- Precedence of Qos Settings459
Configuring Qos457
- Configure Qos by Using Straitx 5100 Device Manager460
  - Using Wi-Fi Multimedia Mode465
- Configuring Qos466
Chapter 17477
Configuring Filters477
- Understanding Filters477
- Configuring Filters by Using CLI Commands478
  - Creating a Time-Base ACL478
- Configuring Filters by Using Stratix 5100 Device Manager480
Chapter 18499
- Understanding CDP499
- Configuring CDP500
- Monitoring and Maintaining CDP503
Chapter 19 Understanding SNMP507
- SNMP Versions508
- SNMP Manager Functions509
- SNMP Agent Functions509
- SNMP Community Strings510
- Using SNMP to Access MIB Variables510
- Configuring SNMP510
- Displaying SNMP Status519
- Understanding Repeater Access Points521
Chapter 20 Configuring a Repeater Access Point523
- Default Configuration523
- Guidelines for Repeaters523
- Setting up a Repeater524
- Aligning Antennas525
- Verifying Repeater Operation526
- Setting up a Repeater as a LEAP Client527
- Setting up a Repeater as a WPA Client528
- Understanding Hot Standby529
- Configuring Hot Standby530
- Configuring a Hot Standby Access Point by Using CLI531
- Verifying Standby Operation534
- Understanding Workgroup Bridge Mode535
  - Or as Client Devices537
- Configuring a Workgroup Bridge for Limited Channel Scanning538
- Configuring a Workgroup Bridge for Roaming538
- Configuring Workgroup Bridge Mode540
- Workgroup Bridge VLAN Tagging540
- Using Workgroup Bridges in a Lightweight Environment542
  - In a Lightweight Environment543
- Sample Workgroup Bridge Configuration545
- Enabling Videostream Support on Workgroup Bridges546
Chapter 21547
Configuring System Message Logging547
- Understanding System Message Logging547
- Configuring System Message Logging548
- Displaying the Logging Configuration560
Chapter 22561
- Checking Basic Settings561
- Checking the Status Indicators561
Troubleshooting561
- Resetting to the Default Configuration563
  - Using the MODE Button563
- Using the Web Browser Interface563
- Using CLI564
- Reloading the Access Point Image566
Appendix A573
- Ethertype Protocols573
- IP Port Protocols574
- IP Protocols574
Appendix B579
- MIB List579
- Using FTP to Access the MIB Files580
Appendix C581
- Conventions581
- Software Auto Upgrade Messages582
- Association Management Messages583
- Unzip Messages583
- 802.11 Subsystem Messages584
- System Log Messages584
- Inter-Access Point Protocol Messages589
- Local Authenticator Messages589
- WDS Messages590
- Access Point/Bridge Messages591
- Cisco Discovery Protocol Messages591
- External Radius Server Error Messages591
- Mini IOS Messages591
- LWAPP Error Messages592
- Sensor Messages592
- SNMP Error Messages593
- SSH Error Messages593
- Documentation Feedback612

Allen-Bradley Stratix 5100 - Displaying the DNS Configuration

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