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Cisco Aironet Series 2700/3700 Access Points Deployment Guide
Cisco Aironet Series 3700 Access Point
• Module is not screwed down tightly.
• Not enough PoE power (requires 802.3at) 18 W.
• Not configured correctly.
• Not understanding that the radios operate “together” so you need to configure the radio in slot 1 (5
GHz internal) first.
• Not understanding SSIDs’ for both 5 GHz need to be the same and all .11ac clients are sent to the
.11ac module.
Figure 79 Both Thumbscrews Need to be Tight or Power is Not Applied
Things to look for if the module is not found
• If the module is present, you will see the following message in the console: “module radio found
and ok”
• Console’s CDP message for Power “Power ok – HIGH POWER inline power source”.
• Perhaps, remove the module and verify if the AP is “ok” and then reinstall.
• Module should show up as “slot-2”.
• If you suspect PoE (try AIR-PWRB or AIR-PWR-INJ4).
• Module not designed to work with AIR-PWR-INJ5.
Some caveats regarding clients connecting to the module
• 802.11ac clients need same type of security as 802.11n to connect.
–
WPA/WPA2 with AES or Open.
–
CCKM is not supported in this release.
• The module radio supports 50 clients in hardware.
• 8 keys for multicast traffic, one per SSID–8 keys for 8 SSIDs maximum on 11ac radio.
• 42 keys for the client unicast traffic.
• If more than 42 clients are associated, clients will be connected, but throughput for some clients will
degrade because encryption/decryption is done in software.
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