Cisco AIR-WLC2006-K9 - Wireless LAN Controller 2006 Guía de usuario descargar pdf (Pagina 166)

9-18

Cisco Wireless LAN Solution Product Guide

OL-7955-01

Chapter 9 Using Cisco WCS

Monitoring WLANs with Cisco WCS

Finding Coverage Holes

Coverage holes are areas where clients cannot receive a signal from the wireless network. The Operating

System Radio Resource Management (RRM) identifies these coverage hole areas and reports them to

Cisco WCS, allowing the IT manager to fill holes based on user demand. Follow these steps to find

coverage holes on your WLANs:

Step 1 When Cisco WCS displays the Top 5 Coverage Holes, click the Coverage indicator on the bottom left

of the Cisco WCS User Interface page (or click MONITOR/Alarms and search for Alarm Category

Coverage) to display the Coverage Hole Alarms page.

Step 2 On the Coverage Hole Alarms page, click MONITOR/Maps and search for Access Points by Name

(this search tool is case-sensitive). Cisco WCS displays the Maps > Search Results page, which lists the

Floor or Outdoor Area where the access point is located.

Step 3 Click the floor or area link to display the related Maps > Building name > Floor name page.

Step 4 Look for areas of low signal strength near the access point that reported the coverage hole--those areas

are the most likely locations of coverage holes. If there do not appear to be any areas of weak signal

strength, make sure that the floor plan map is accurate, and if you have used the Floor Plan Editor to

create .FPE files, that you have not left out any metal obstructions, such as walls, elevator shafts,

stairwells, or bookcases. If so, add them to the .FPE floor plan file and replace the old floor plan with

the new floor plan.

Pinging a Network Device from a Controller

Follow these steps to ping other devices from a controller:

Step 1 Click the Configure tab.

Step 2 Select Controllers and click an IP address under the IP Address column to display the

IP address > Controller Properties page.

Step 3 In the left sidebar select System/Commands to display the IP address > Controller Commands page.

Step 4 Select Administrative Commands/Ping from Switch and click GO.

Step 5 In the Enter an IP Address (x.x.x.x) to Ping window, enter the IP address of the network device that you

want the controller to ping and click OK.

Cisco WCS displays the Ping Results window showing the packets sent and received. Click Restart to

ping the network device again, or click Close to stop pinging the network device and close the Ping

Results window.

Viewing Current Controller Status and Configurations

After you add controllers and lightweight access points to the Cisco WCS database you can view the

Cisco WLAN Solution status. To view the system status, click the Monitor tab and select Network to

display the Network Summary page. Figure 9-8 shows the Network Summary page.

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Cisco AIR-WLC2006-K9 - Wireless LAN Controller 2006 Guía de usuario Pagina 166