Cisco C910AXI-S Access point Setup and COnsole Access Issue

[Bo Bo]

Hi Everyone

I’m currently working on a project that involves setting up several Cisco C910AXI-S access points, and I’ve run into a few issues that I hope someone here can help me with.

Setup Details:

• The AP is connected to a Netgear PoE switch.

• The AP successfully obtains an IP address via DHCP.

• My configuration PC and the AP are on the same subnet.

• I can ping the AP’s IP successfully.

• However, I cannot access the AP’s web GUI through a browser.

• The CiscoAirProvision SSID does not show up in the Wi-Fi list on my PC.

Console Access Attempt:

• I’m trying to access the AP via the console using a USB Type-C cable.

• I’ve used PuTTY and selected the appropriate COM port.

• I tried baud rates 9600 and 115200.

• PuTTY only shows a blinking cursor, and nothing appears even after pressing Enter.

LED Status on the AP:

• The AP’s LED is alternating between green and red.

Thanks in advance for any help or suggestions.

[Leo Laohoo]

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@Bo Bo  wrote:

• The AP is connected to a Netgear PoE switch.
• The AP’s LED is alternating between green and red.

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Catalyst 9130 requires a minimum of 30.0wac PoE port and I do not believe the Netgear switch can support 30.0wac.  

LED blinking green & red usually means not enough power.  

Either get a switch can can support 802.3bt (uPoE) or get a power inject from Cisco's OEM for power injector, Phihong.

[Rich R]

Please confirm what the AP model is? (C910AXI-S is missing a digit - it could be 9105, 9120, 9130 for example)

As Leo says power might be an issue. 
The switch must also support CDP (unlikely on Netgear) or LLDP for power to be negotiated by the AP.
Check the AP data sheet for specific power requirements.

Regarding the console - that should work even if the AP doesn't have enough power to operate the radios.
Cisco APs are very "fussy" about console cables - many do not work with Cisco APs even if they work with other Cisco devices.
Generally speaking cables based on genuine FTDI chipsets will work - fake/counterfeit FTDIs and others vary.  Try a different cable.  Always check reviews before buying to confirm whether the product has been tested with Cisco Access Points.