Post on 26-Mar-2015
description
Wireless 802.11g/n
Installation Simplified – Part 2 of 2
Considerations
Security Simplified Branded Pre-Encryption
Security Simplified Branded Pre-Encryption
Environment Simplified Channels Wireless Gain
Considerations
Security Simplified Branded Pre-Encryption
Environment Simplified Channels Wireless Gain
Interop Simplified Device Considerations Finding the “SWEET SPOT”
Considerations
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
802.11x protocol Is it b,g,n Which Frequency Range How many Antennas
LAN Host Interoperability
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
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
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
802.11x Standards
Frequency Range
• 2.4 Ghz
• 5 Ghz
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
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
Amplify SignalIncrease Output
Increase Range
High Gain Antennas
2dbi 5dbi 9dbi
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
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
Proprietary Configurations
Chipset Manufacturer
• Realtek
• Intel
• Broadcom
• Atheros
Proprietary Configurations
Chipset Manufacturer Parameters
• Realtek
• Intel
• Broadcom
• Atheros
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?
Operating System
Network Settings• TCPIP Stack
• IPv6 Support
• Network Topology Sniff
• Retained Settings
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
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?
Device Type
Handheld Gaming
• Some hand-held devices do not support WPA or WPA2
Device Type
Handheld Gaming Mobile Phones
• Some hand-held devices do not support WPA or WPA2
• Networking Protocols
• Encryption Support
• 802.11x protocols
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
Trouble Shooting
No one can connect…Check Wireless Channel
• Check GUI for Interference
• Check other Aps in area
• Change the Wireless Channel
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
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
Trouble Shooting
One Device Cannot ConnectDelete Wireless Account
Trouble Shooting
One Device Cannot ConnectDelete Wireless Account Verify Settings and Driver
• AP Settings
• Device Settings
• Device Driver
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
Trouble ShootingOther Considerations
WMM Required for Higher Bandwidth
Ensure Device Support WMM
Enable / Disable WMM Advertise
Enable / Disable APSD
Disable Radio Power Save
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
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
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
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
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?
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