WiFi Installation Best Practices Part 2 of 2
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Transcript of WiFi Installation Best Practices Part 2 of 2
![Page 1: WiFi Installation Best Practices Part 2 of 2](https://reader035.fdocuments.in/reader035/viewer/2022062618/551504a5497959021e8b4a5f/html5/thumbnails/1.jpg)
Wireless 802.11g/n
Installation Simplified – Part 2 of 2
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Considerations
Security Simplified Branded Pre-Encryption
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Security Simplified Branded Pre-Encryption
Environment Simplified Channels Wireless Gain
Considerations
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Security Simplified Branded Pre-Encryption
Environment Simplified Channels Wireless Gain
Interop Simplified Device Considerations Finding the “SWEET SPOT”
Considerations
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Security Simplified Branded Pre-Encryption
Environment Simplified Channels Wireless Gain
Interop Simplified Device Considerations Finding the “SWEET SPOT”
TSHOOT Simplified Inspecting AP Saturation Inspecting Channel Saturation Inspecting Performance
Considerations
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802.11x protocol Is it b,g,n Which Frequency Range How many Antennas
LAN Host Interoperability
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802.11x protocol Is it b,g,n Which Frequency Range How many Antennas
Proprietary Config What chipset is used What Parameters are Specified
LAN Host Interoperability
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802.11x protocol Is it b,g,n Which Frequency Range How many Antennas
Proprietary Config What chipset is used What Parameters are Specified
Operating System Manufacturer Frequency of Updates Networking Protocols
LAN Host Interoperability
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802.11x protocol Is it b,g,n Which Frequency Range How many Antennas
Proprietary Config What chipset is used What Parameters are Specified
Operating System Manufacturer Frequency of Updates Networking Protocols
Product Class Handheld Game Mobile Phone PC STB
LAN Host Interoperability
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802.11x Standards
Frequency Range
• 2.4 Ghz
• 5 Ghz
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802.11x Standards
Frequency Range Standard Type
• 2.4 Ghz
• 5 Ghz
• 802.11b 11mbps
• 802.11g 54mbps
• 802.11n 130mbps/ 270mbps 2.4Ghz 600mbps 5Ghz
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802.11x Standards
Frequency Range Standard Type Antennas
• 2.4 Ghz
• 5 Ghz
• 802.11b 11mbps
• 802.11g 54mbps
• 802.11n 130mbps/ 270mbps 2.4Ghz 600mbps 5Ghz
• Number of Antennas
• Sensitivity
• Output Power
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Amplify SignalIncrease Output
Increase Range
High Gain Antennas
2dbi 5dbi 9dbi
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Amplify SignalIncrease Output
Increase Range
Shape Signal
As signal Increases, shape becomes wider and flatter
Green = -2dbi
Blue = -5dbi
Purple = -9dbi
High Gain Antennas
2dbi 5dbi 9dbi
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Amplify SignalIncrease Output
Increase Range
Shape Signal
As signal Increases, shape becomes wider and flatter
Green = -2dbi
Blue = -5dbi
Purple = -9dbi
Radio OutputRadio intensity affects signal output
Increasing signal increase SNR
High Gain Antennas
2dbi 5dbi 9dbi
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Proprietary Configurations
Chipset Manufacturer
• Realtek
• Intel
• Broadcom
• Atheros
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Proprietary Configurations
Chipset Manufacturer Parameters
• Realtek
• Intel
• Broadcom
• Atheros
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Proprietary Configurations
Chipset Manufacturer Parameters Support
• Realtek
• Intel
• Broadcom
• Atheros
• Does the device support AES?
• Is this a mixed environment?
• Does the Client Support WMM?
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Operating System
Network Settings• TCPIP Stack
• IPv6 Support
• Network Topology Sniff
• Retained Settings
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Operating System
Network Settings Drivers• TCPIP Stack
• IPv6 Support
• Network Topology Sniff
• Retained Settings
• Does the device have the correct driver
• Does the device connect to other APs with similar settings
• Does the device periodically disconnect
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Operating System
Network Settings Drivers Support• TCPIP Stack
• IPv6 Support
• Network Topology Sniff
• Retained Settings
• Does the device have the correct driver
• Does the device connect to other APs with similar settings
• Does the device periodically disconnect
• Does the OS support your encryption type
• Does the OS support your speed?
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Device Type
Handheld Gaming
• Some hand-held devices do not support WPA or WPA2
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Device Type
Handheld Gaming Mobile Phones
• Some hand-held devices do not support WPA or WPA2
• Networking Protocols
• Encryption Support
• 802.11x protocols
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Device Type
Handheld Gaming Mobile Phones Other Portables
• Some hand-held devices do not support WPA or WPA2
• Networking Protocols
• Encryption Support
• 802.11x protocols
• Same considerations as mobile phones
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Trouble Shooting
No one can connect…Check Wireless Channel
• Check GUI for Interference
• Check other Aps in area
• Change the Wireless Channel
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Trouble Shooting
No one can connect…Check Wireless Channel Device Flooding Network
• Check GUI for Interference
• Check other Aps in area
• Change the Wireless Channel
• Check GUI for clients
• Disable offending devices
• When located, check settings on device
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Trouble Shooting
No one can connect…Check Wireless Channel Device Flooding Network Other Possibilities
• Check GUI for Interference
• Check other Aps in area
• Change the Wireless Channel
• Check GUI for clients
• Disable offending devices
• When located, check settings on device
• Check WPA PSK Key
• Have devices retained older settings after change
• Change SSID Name and Password before reset
• Enable / Disable Client Isolation
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Trouble Shooting
One Device Cannot ConnectDelete Wireless Account
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Trouble Shooting
One Device Cannot ConnectDelete Wireless Account Verify Settings and Driver
• AP Settings
• Device Settings
• Device Driver
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Trouble Shooting
One Device Cannot ConnectDelete Wireless Account Verify Settings and Driver Reboot Device and Reconnect
• AP Settings
• Device Settings
• Device Driver
• Reboot Device
• Connect and Configure Settings
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Trouble ShootingOther Considerations
WMM Required for Higher Bandwidth
Ensure Device Support WMM
Enable / Disable WMM Advertise
Enable / Disable APSD
Disable Radio Power Save
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Trouble ShootingOther Considerations
WMM Required for Higher Bandwidth
Ensure Device Support WMM
Enable / Disable WMM Advertise
Enable / Disable APSD
Disable Radio Power Save
WMF for Multicasting If you are using Over The Top wireless STBs, then enable WMF
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Trouble ShootingOther Considerations
WMM Required for Higher Bandwidth
Ensure Device Support WMM
Enable / Disable WMM Advertise
Enable / Disable APSD
Disable Radio Power Save
WMF for Multicasting If you are using Over The Top wireless STBs, then enable WMF
Client Isolation Keep infected devices from flooding clients
![Page 34: WiFi Installation Best Practices Part 2 of 2](https://reader035.fdocuments.in/reader035/viewer/2022062618/551504a5497959021e8b4a5f/html5/thumbnails/34.jpg)
Trouble ShootingOther Considerations
WMM Required for Higher Bandwidth
Ensure Device Support WMM
Enable / Disable WMM Advertise
Enable / Disable APSD
Disable Radio Power Save
WMF for Multicasting If you are using Over The Top wireless STBs, then enable WMF
Client Isolation Keep infected devices from flooding clients
LAN Firewall Keep infected devices from flooding LAN
![Page 35: WiFi Installation Best Practices Part 2 of 2](https://reader035.fdocuments.in/reader035/viewer/2022062618/551504a5497959021e8b4a5f/html5/thumbnails/35.jpg)
Trouble ShootingOther Considerations
WMM Required for Higher Bandwidth
Ensure Device Support WMM
Enable / Disable WMM Advertise
Enable / Disable APSD
Disable Radio Power Save
WMF for Multicasting If you are using Over The Top wireless STBs, then enable WMF
Client Isolation Keep infected devices from flooding clients
LAN Firewall Keep infected devices from flooding LAN
Fragmentation Threshold Some devices may have non-standard parameters
![Page 36: WiFi Installation Best Practices Part 2 of 2](https://reader035.fdocuments.in/reader035/viewer/2022062618/551504a5497959021e8b4a5f/html5/thumbnails/36.jpg)
Trouble ShootingOther Considerations
WMM Required for Higher Bandwidth
Ensure Device Support WMM
Enable / Disable WMM Advertise
Enable / Disable APSD
Disable Radio Power Save
WMF for Multicasting If you are using Over The Top wireless STBs, then enable WMF
Client Isolation Keep infected devices from flooding clients
LAN Firewall Keep infected devices from flooding LAN
Fragmentation Threshold Some devices may have non-standard parameters
OBSS Co Existence Can BSSIDs Operate within the same frequency range?
![Page 37: WiFi Installation Best Practices Part 2 of 2](https://reader035.fdocuments.in/reader035/viewer/2022062618/551504a5497959021e8b4a5f/html5/thumbnails/37.jpg)
Trouble ShootingOther Considerations
WMM Required for Higher Bandwidth
Ensure Device Support WMM
Enable / Disable WMM Advertise
Enable / Disable APSD
Disable Radio Power Save
WMF for Multicasting If you are using Over The Top wireless STBs, then enable WMF
Client Isolation Keep infected devices from flooding clients
LAN Firewall Keep infected devices from flooding LAN
Fragmentation Threshold Some devices may have non-standard parameters
OBSS Co Existence Can BSSIDs Operate within the same frequency range?
802.11n Protection Gives Deference to 802.11n devices – may affect G Performance