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Forum Discussion
WAX214v2 use POE instead of POE+
Hi,
We have a WAX214v2 access point connected to a Cisco C1000-48P-4X-L switch using POE+, both use POE+ (802.at 25.5 W) but access point indicate "PoE/AF Input power detected. Use POE+ or AT Switch or Power Adapter to power the AP." on the graphical interface.
On the switch (with IOS up to date) :
switch#show power inline gi1/0/47 detail
Interface: Gi1/0/47
Inline Power Mode: auto
Operational status: on
Device Detected: yes
Device Type: Ieee PD
IEEE Class: 4
Discovery mechanism used/configured: Unknown
Police: off
Power Allocated
Admin Value: 30.0
Power drawn from the source: 30.0
Power available to the device: 30.0
Actual consumption
Measured at the port: 5.8
Maximum Power drawn by the device since powered on: 6.3
Absent Counter: 0
Over Current Counter: 0
Short Current Counter: 0
Invalid Signature Counter: 0
Power Denied Counter: 0
Power Negotiation Used: IEEE 802.3at LLDP
LLDP Power Negotiation --Sent to PD-- --Rcvd from PD--
Power Type: Type 2 PSE Type 2 PD
Power Source: Primary PSE
Power Priority: low low
Requested Power(W): 25.5 25.5
Allocated Power(W): 25.5 25.5
Four-Pair PoE Supported: No
Spare Pair Power Enabled: No
Four-Pair PD Architecture: N/A
The "show lldp neighbors" output command show the access point, but several minutes after the access point disappears from the same output.
Could you please help us ?
Regards.
3 Replies
Hi,
Thank you for reaching us.
How many PoE+ devices are connected to Cisco switch?, need to check whether the AP requested power and switch is able to deliver the requested power. Could you please try using different ethernet cable and changing the switch port?.
The log of the switch shows that the device is connected to AT, but the AP actually receives AF input.
When the AF input AP is fully loaded, the power consumption is insufficient.
Can AP be turned on normally when the switch is powered by AT mode? or is there some services running after the AP is powered on normally, causing the switch to stop power supply?.
Because, we use PoE+ switch in our lab and didn't come across power negotiation issue.
Hi,
Thanks for the reply.
Only one device use POE on the switch, this is the access point. The total power of the switch is 370W, we can see on the switch that 802.3at is used by the AP. We already tried to use another cable on another port, same result.
The POE+ negotiation seems to be OK. We received email when configuration changed, and at startup, we received three emails :
- firmware check
- [Configuration Changed]-powerdetection.power.power_recv_pseAllocated='13000'
- [Configuration Changed]-powerdetection.power.power_recv_pseAllocated='25500'
Regards.
Hi,
Thank you!.
I replied you via private message, could you please share AP logs there.
Thanks,
Nivedita
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