CWNA Summary Notes: Site Survey Tools

Indoor Site Surveys Tools Spectrum analyzer for RF spectrum analysis Blueprints or floor plans of the facility Received signal strength measurement tool 802.11 client card - prefer the vendor that will be deployed AP - preferably 2. Battery pack for AP and for the laptop Binoculars to view distant objects ( eg high ceiling and in … Continue reading CWNA Summary Notes: Site Survey Tools →

CWNA Summary Notes: Spectrum and Coverage Analysis

Spectrum Analysis A noisy environment can cause the data in 802.11 transmissions to become corrupted -> the cyclic redundancy check (CRC) will fail -> the receiving 802.11 radio will not send an ACK frame to the transmitting 802.11 radio -> the unicast frame is not acknowledged and will have to be re-transmitted. Wi-Fi data networks can handle a retransmission rate … Continue reading CWNA Summary Notes: Spectrum and Coverage Analysis →

CWNA Summary Notes: Vertical Market Considerations

A vertical market is a particular industry or group of businesses in which similar products or services are developed and marketed. Outdoor Surveys Weather proof APs (eg ruggedized) may need to be deployed. Site Survey kits with Mesh APs may be needed. Consider the weather conditions. Most appliances will need to be protected from weather elements … Continue reading CWNA Summary Notes: Vertical Market Considerations →

CWNA Summary Notes: Capacity and Coverage Requirements

Capacity and Coverage Requirements Factors that should be considered when planning for Capacity: Data applications. For 802.11b/g network, 12 to 15 data users per AP ForVoWiFi SpectraLink recommends max of 12 calls per 11 Mbps cell (with 1 call needing 4.5 % of AP bandwidth), 7 calls per 2 Mbps (with 1 call needing 12% … Continue reading CWNA Summary Notes: Capacity and Coverage Requirements →

CWNA Summary Notes: Procedures for Performing a Site Survey

Gather background data for the site survey Examine business requirements Why do they need a WLAN is mobility required What devices will be connecting What apps will be used What is the amount of bandwidth required by the user Conduct interviews with personnel One-on-one interviews Group interviews Facilitated sessions - a much larger group consisting of … Continue reading CWNA Summary Notes: Procedures for Performing a Site Survey →

CWNA Summary Notes: Specialized Site Survey Tools

These tools include: dedicated site survey applications spectrum analyzers protocol analyzers documentation tools Voice over WiFi (VoWiFi) Tools and Surveys Dedicated Applications eg. Site Survey Analyzer These applications can send packets and then analyze both transmitting and receiving data. Settings included in dedicated applications include: Destination MAC Address of the AP that will be tested Continuous Link Test … Continue reading CWNA Summary Notes: Specialized Site Survey Tools →

Cisco Wireless: Upgrading Cisco Prime Infrastructure (CPI) 2.0 to 2.1

Situation I hate it when Cisco comes up with a feature or new release of the WLC or the APs, and we have to wait forever to get support for MSE, CPI etc!! How are they supposed to function in the meantime?? The issue is that I have the new 3700 APs and now that … Continue reading Cisco Wireless: Upgrading Cisco Prime Infrastructure (CPI) 2.0 to 2.1 →

CWNA Summary Notes: What is a Site Survey

A Site Survey is an in-depth examination and analysis of a WLAN site. Purpose of a Site Survey Achieve the best possible performance from the WLAN Certify that the installation will operate as promised Determine the best location for APs Develop networks optimized for a variety of applications Ensure that the coverage will fulfill the … Continue reading CWNA Summary Notes: What is a Site Survey →

Cisco Wireless: Troubleshooting Lightweight AP Connectivity Issues

I have been having an issue with a Cisco AP 2600 rebooting every time (sometimes after 30 minutes, other times after 1 - 2 hours ). Troubleshooting the error using debugs did not provide any good leads. Opened a Case with Cisco TAC, and they also could not see what the issue was. The only … Continue reading Cisco Wireless: Troubleshooting Lightweight AP Connectivity Issues →

Cisco Wireless: Cisco WLC Customized Webauth files

Spent the better part of the day trying to get upload webauth files for several SSIDs to our Cisco 5500 Controller but ran into issues. I have since solved these issues, so this is basically a - how to - blogpost. The error that I kept hitting was this: This error basically means that there … Continue reading Cisco Wireless: Cisco WLC Customized Webauth files →