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Configuring Wireless LANs

Configuring Wireless LANs. BCMSN Module 6 Lesson 6. Objectives. List the different methods that can be used to configure autonomous access points Describe the role performed by autonomous access points and bridges in a radio network Describe how to configure an autonomous access point

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Configuring Wireless LANs

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  1. Configuring Wireless LANs BCMSN Module 6 Lesson 6

  2. Objectives • List the different methods that can be used to configure autonomous access points • Describe the role performed by autonomous access points and bridges in a radio network • Describe how to configure an autonomous access point • Describes how to configure a wireless LAN controller • Describe how to perform the initial configuration of wireless LAN controllers via the command line and Web browser • Describe how to configure wireless LAN controllers via the Web browser

  3. Autonomous Access Point Configuration

  4. Autonomous Access Point Configuration • Configuration Web browser (preferred) Cisco IOS command line Serial console Telnet or SSH CiscoWorks WLSE (optional) • IP address required except for serial console

  5. Autonomous Access Point IP Address • Set IP address on access point DHCP (default) Serial console • Find IP address of access point DHCP server Serial console CDP (switch) Other access point

  6. Role of Autonomous AP in Radio Network • Cisco Aironet 1100, 1200, and 1300 Series Access Point (Fallback to Radio Island) Access Point (Fallback to Radio Shutdown) Access Point (Fallback to Repeater) Repeater (Non-Root access point) RootBridge  Non-Root Bridge  Root Bridge with Wireless Clients  Non-Root Bridge with Wireless Clients  Workgroup Bridge Scanner • Bridge modes not supported on the Cisco 1100 Series

  7. Autonomous Access Point Homepage

  8. Express Setup Initial configuration of access point: hostname, IP address, SNMP

  9. Self Check • Name 3 methods of configuring an autonomous access point. • Identify 4 methods to discover the IP address of an autonomous access point. • What type of devices can root devices accept associations from?

  10. Centralized WLAN Configuration

  11. Getting started… • The bulk of the configuration tasks required to setup a Centralized WLAN solution are performed on the Wireless LAN Controller. • Lightweight Access Points are designed to be “zero touch” and are not directly configured by the administrator. • The very basic configuration tasks required on the WLC are done via CLI, while more complex tasks are completed after the web interface is accessible.

  12. WLC and Lightweight AP Configuration These are the basic steps to getting the controller and APs online: • Have a DHCP server present so that the APs can acquire a network address. Note: Option 43 is used if the APs reside in a different subnet. • Configure the WLC for basic operation. • Configure the switch for the WLC. • Configure the switch for the APs. • Register the lightweight APs to the WLCs.

  13. Lightweight WLAN Controller Configuration • Initial setup Command line via serial console • Ongoing configuration* Web browser Command line via serial console, Telnet, or SSH Cisco WCS (optional) *Requires IP address to be configured on controller

  14. Configuration Example

  15. WLAN Controller Boot Menu Cisco Bootloader (Version 3.2.78.0) .o88b. d888888b .d8888. .o88b. .d88b. d8P Y8 `88' 88' YP d8P Y8 .8P Y8. 8P 88 `8bo. 8P 88 88 8b 88 `Y8b. 8b 88 88 Y8b d8 .88. db 8D Y8b d8 `8b d8' `Y88P' Y888888P `8888Y' `Y88P' `Y88P' Model WLC2006 Booting Primary Image... Press <ESC> now for additional boot options... Boot Options Please choose an option from below: 1. Run primary image (Version 3.2.78.0) (active) 2. Run backup image (Version 3.1.105.0) 3. Manually upgrade primary image 4. Change active boot image 5. Clear Configuration Please enter your choice:_

  16. CLI Wizard Configuration Tool

  17. Switch configuration for WLC • The 802.1Q switch port configuration is: interface GigabitEthernet1/0/1 description Trunk Port to Cisco WLC switchport trunk encapsulationdot1q switchport trunk allowed vlan2-4,60 switchport mode trunk no shutdown

  18. Switch configuration for APs • This is an example VLAN interface configuration from the Catalyst 3750: interface VLAN5 description AP VLAN ip address 10.5.5.1 255.255.255.0 • This is an example switch port configuration from the Catalyst 3750: interface GigabitEthernet1/0/22 description Access Port Connection to LWAPP AP switchport access vlan 5 switchport mode access no shutdown

  19. AP Registration to WLC • As soon as the controller is activated, it starts listening for access points on all connected ports. • As it detects access points, it records their MAC addresses in its database. • The Radio Resource Management (RRM) function then automatically configures the access points to start transmitting and start allowing clients to connect through the Cisco WLAN Solution.

  20. Self Check • How are lightweight access points configured? • What methods can be used to configure the WLAN controller? • Which WLAN controller interface is the only consistently pingable interface from outside the WLC? • What mode should the switchport be in for connection to the WLC? • What mode should the switchport be in for connection to an access point?

  21. WLC Web User Interface

  22. WLAN Controller Web Login https://<ip-addr>

  23. WLAN Controller Web Menu Bar WLANs Provides WLAN configurations such as SSIDs and security policies for all user groups WIRELESS Provides access point configurations, clients management, and various RF settings MANAGEMENT Provides integration into the network such as IP addressing and SNMP MONITOR Provides a view of this controller, its access points, and wireless clients CONTROLLER Provides controller-wide configurations such as Layer 2/3 mode, Multicast, and mobility settings SECURITY Provides integration into security structure such as RADIUS connectivity COMMANDS Provides administrative options such as upgrades and backups

  24. Monitor > Summary

  25. WLC 2006: Monitor > Statistics > Ports

  26. WLC 2006: Monitor > Ports > View Stats

  27. WLANs

  28. WLANs > Edit

  29. Controller > General

  30. Controller > Interfaces

  31. Interfaces > Edit

  32. Wireless > All APs

  33. Wireless > All APs > AP Detail

  34. Wireless > All APs > AP Detail (Cont.)

  35. Access Points > 802.11b/g Radios

  36. Access Points > 802.11b/g > Configure

  37. Management

  38. Commands

  39. Summary • Autonomous access points can be configured via console, CLI, Web browser and management system. • An autonomous access points can act as a bridge, repeater, access point, or scanner. • Autonomous access points can be configured easily via a web browser. • Wireless LAN controllers can be initialized via CLI or Web browser. • Wireless LAN controllers can be configured via CLI or Web browser. • Wireless LAN configuration include SSIDs, VLANs, access points, security, and management.

  40. Resources • Lightweight Access Point FAQs (Requires CCO login) http://cisco.com/en/US/partner/products/ps6306/products_qanda_item09186a00806a4da3.shtml • Cisco Wireless LAN Controllers Q&A (Requires CCO login) http://cisco.com/en/US/partner/products/ps6366/products_qanda_item0900aecd802570be.shtml • Wireless LAN Controller (WLC) Troubleshoot FAQ (Requires CCO login) http://cisco.com/en/US/partner/products/ps6366/products_qanda_item09186a008064a991.shtml

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