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Cisco Virtual Wireless Controller Deployment
Guide
Document ID: 113677
Introduction
Prerequisites
Virtual Controller Support
Virtual WLAN Controller Unsupported Features
Single Virtual Controller Resource Requirement
Suggested Hardware Recommendations for Hosting Cisco Virtual Controllers
AP Requirement
Components Used
Topology
Conventions
Release Notes
Virtual Controller Installation
Virtual Controller Virtual Interfaces
Switch Interface Configuration Connected to UCS Server
VMware Promiscuous Mode Definition
Virtual Controller Settings
Virtual Controller Console Port
Start up the vWLC
Virtual Controller Management with Cisco Prime 1.2
Upgrade the Virtual Controller
Troubleshooting
AP Considerations
Time is Incorrect
SSC Hash
Related Information
Introduction
Prior to release 7.3, wireless LAN (WLAN) controller software ran on dedicated hardware you were expected
to purchase. The Virtual Wireless LAN Controller (vWLC) runs on general hardware under an industry
standard virtualization infrastructure. The vWLC is ideal for small and mid−size deployments with a virtual
infrastructure and require an on−premises controller. Distributed branch environments can also benefit with a
centralized virtual controller with fewer branches required (up to 200).
vWLCs are not a replacement of shipping hardware controllers. The function and features of the vWLC offer
deployment advantages and benefits of controller services where data centers with virtualization infrastructure
exist or are considered.
Advantages of the vWLC:
Flexibility in hardware selection based on your requirements.
Reduced cost, space requirements, and other overheads since multiple boxes can be replaced with
single hardware running multiple instances of controllers, network management devices (NCS) and
other servers (ISE, MSE, VSG / firewall).
Independent and mutually exclusive instances allow administrators to use multiple virtual controllers
to manage different campuses (or even to manage multiple customer sites) using the same hardware.
Enable features provided by the virtualization software, including High Availability, failover
protection, and ease of migration.
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Inhaltsverzeichnis

Seite 1 - Introduction

Cisco Virtual Wireless Controller DeploymentGuideDocument ID: 113677IntroductionPrerequisitesVirtual Controller SupportVirtual WLAN Controller Unsuppo

Seite 2 - Prerequisites

The virtual controller software is posted as an .ovf package in the Cisco software center. You candownload the .ova/.ovf package and install to any ot

Seite 3 - Topology

Provide a name for the vWLC or accept the default, and click Next.10. Accept the default Thick Provision Lazy Zeroed setting, and click Next.11. Accep

Seite 4 - Release Notes

Confirm the Deployment settings, and click Finish in order to begin installation.13. Click Close when Deployment is complete.14. Two important things

Seite 5 - switchport mode access

Select Network adapter 1 to vWLC Service Port (vSwitch created in ESX networking).2. Map Network adapter 2 to vWLC Data Port.3. Confirm the correct ma

Seite 6

Physical Serial Port on the Host: The vWLCs virtual serial port is mapped to the hardware serialport on the server. This option is limited to the num

Seite 7

Click Next in order to review the Options, and click Finish.5. Click OK in order to complete the configured settings.In order to enable for the serial

Seite 8

In the Firewall Properties window, select VM serial port connected to vSPC, and click OK.8. Start up the vWLCComplete these steps:Start the vWLC, and

Seite 9

Monitor the progress until the VM console shows that the vWLC has restarted (this is automatic).2. Open a Telnet session to the vWLC as shown here:3.

Seite 10

Note: Only one mode of console can be operational at any time, such as a VM console (bykey−interrupt at startup) or serial console (physical/network).

Seite 11

configuration, which may result in APs not joining in the process.Complete the configuration and allow the vWLC to reset.8. It is suggested that you p

Seite 12 - Virtual Controller Settings

VMware benefits with the vWLC:vSphere: A virtualization infrastructure package from VMware, which includes ESX/ESXihypervisor, vMotion, DRS, HA, Fault

Seite 13

Initially, there are 0 (zero) Access Points Supported. Enable the evaluation license in order to allowthe AP to join.12. Go to Management > Softwar

Seite 14

Click OK, and Accept the EULA in order to continue.14. Click OK, and reset the vWLC in order for the evaluation license to take effect.15. Reboot the

Seite 15

Log back in to the vWLC, and note that the 200 APs are now supported with the evaluation licenseenabled.17. Connect an AP, and monitor for the join me

Seite 16 - Start up the vWLC

It may be useful to consider using the autoconvert function of the controller (for example, any modeAP joining the vWLC will be converted automaticall

Seite 17

In Device Work Center, click Add Device.3. Enter the IP Address and SNMP Community string (Read/Write). By default, the SNMP RW for thecontroller is P

Seite 18

Cisco Prime Infrastructure will discover and synchronize with the virtual controller. Click refresh inorder to update the screen.5. When the virtual c

Seite 19

Navigate to Home for a Summary view (in Lifecycle Theme) of the devices being managed.8. For the remainder of this guide, the Classic Theme is used to

Seite 20

Enter the IP Address, Read/Write SNMP Community string, and click Add.12. Cisco Prime Infrastructure will display this notification:13. Go to Configur

Seite 21 - Reboot the vWLC.16

Upgrade the Virtual ControllerIn the early steps of installation, the Cisco Virtual Controller initially required an OVA file for new virtualappliance

Seite 22

Click Save and Reboot.4. Cisco Prime Infrastructure can also be useful for upgrading one virtual controller or many virtualcontrollers at the same tim

Seite 23

Suggested Hardware Recommendations for Hosting Cisco VirtualControllersUCS R210−2121605W Rack Mount Server (2 RU):2 * Intel Xeon CPU X5670 @ 2.93 GHz♦

Seite 24

This screen is an example of the AES image being transferred to the virtual controllers:7. Cisco Prime Infrastructure will update the status until the

Seite 25

Cisco Prime Infrastructure will prompt for reboot parameters such as save configuration, and so forth.Click OK.10. Cisco Prime Infrastructure will not

Seite 26

The hash validation, which is an extra authorization step, will be performed only if the AP is joining avirtual controller. There will be a knob to tu

Seite 27

The AP may have an older SSC hash, either from an old installation or joining other controllers. It ispossible to configure the WLC to not validate SS

Seite 28

and local access to Internet).ConventionsRefer to Cisco Technical Tips Conventions for more information on document conventions.Release NotesCisco Uni

Seite 29

Virtual Controller Virtual InterfacesManagement Interface• Virtual Interface• Dynamic Interface• AP Manager Interface• Switch Interface Configuration

Seite 30

interface GigabitEthernet1/1/3 description ESXi Trunk switchport trunk encapsulation dot1q switchport mode trunkendComplete these steps:Create two sep

Seite 31 - Troubleshooting

Click Next.7. Here, you see vSwitch1 is created for vWLC Service Port. Click Add Networking in order to repeatfor the Data Port.8. For the new vSwitch

Seite 32 - SSC Hash

Click Next until you complete the steps to add the vSwitch.14. VMware Promiscuous Mode DefinitionPromiscuous mode is a security policy which can be de

Seite 33 - Related Information

In the Properties window, select the Security tab.3. Check the box for Promiscuous Mode, choose Accept from the drop−down list, and click OK.4. Confir

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