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AIR-AP3802I-B-K9 Power Requirements

Patrick McHenry
Level 3
Level 3

Hi,

just connected a AIR-AP3802I-B-K9 AP to the network. The AP seems to be stuck in a boot cycle. In this doc you can see that the AP requires uPOE. Is this my issue?

Thank you

http://www.cisco.com/c/dam/en/us/td/i/400001-500000/410001-420000/412001-413000/412746.tif/_jcr_content/renditions/412746.jpg

I will be able to ping the AP for a short period...then, it goes down again. Also, I dont see it registering on the Controller either (5508 running version 8.2.100.0)

Reply from 10.20.4.55: bytes=32 time=1ms TTL=64
Reply from 10.20.4.55: bytes=32 time=1ms TTL=64
Reply from 10.20.4.55: bytes=32 time=1ms TTL=64
Reply from 10.20.4.55: bytes=32 time=1ms TTL=64
Reply from 10.20.4.55: bytes=32 time=8ms TTL=64
Reply from 10.20.4.55: bytes=32 time=1ms TTL=64

I see the device on the switch using CDP:

Device ID: AP0042.68C6.0F3A
Entry address(es):
  IP address: 10.20.4.55
Platform: AIR-AP3802I-B-K9,  Capabilities: Router Trans-Bridge
Interface: GigabitEthernet1/0/47,  Port ID (outgoing port): GigabitEthernet0
Holdtime : 133 sec

Version :
Cisco AP Software, AIR-AP3802I-B-K9 Version: 8.2.20.16
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 2014-2015 by Cisco Systems, Inc.

advertisement version: 2
Power drawn: 30.000 Watts
Power request id: 2456, Power management id: 2
Power request levels are:30000 0 0 0 0


Total cdp entries displayed : 1

The switch model is:

NAME: "c38xx Stack", DESCR: "c38xx Stack"
PID: WS-C3850-48P      , VID: V02  , SN: FOC1746X0B1

Show power inline output...notice the last port...that is the AP in question:

sho power inline

Module   Available     Used     Remaining
          (Watts)     (Watts)    (Watts)
------   ---------   --------   ---------
1           390.0      119.4       270.6
Interface Admin  Oper       Power   Device              Class Max
                            (Watts)
--------- ------ ---------- ------- ------------------- ----- ----
Gi1/0/1   auto   off        0.0     n/a                 n/a   30.0
Gi1/0/2   auto   off        0.0     n/a                 n/a   30.0
Gi1/0/3   auto   off        0.0     n/a                 n/a   30.0
Gi1/0/4   auto   off        0.0     n/a                 n/a   30.0
Gi1/0/5   auto   off        0.0     n/a                 n/a   30.0
Gi1/0/6   auto   on         9.5     IP Phone 8961       4     30.0
Gi1/0/7   auto   on         3.8     IP Phone 6945       1     30.0
Gi1/0/8   auto   off        0.0     n/a                 n/a   30.0
Gi1/0/9   auto   off        0.0     n/a                 n/a   30.0
Gi1/0/10  auto   on         9.5     IP Phone 8961       4     30.0
Gi1/0/11  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/12  auto   on         3.8     IP Phone 6945       1     30.0
Gi1/0/13  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/14  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/15  auto   on         3.8     IP Phone 6945       1     30.0
Gi1/0/16  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/17  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/18  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/19  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/20  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/21  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/22  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/23  auto   on         15.4    Ieee PD             0     30.0
Gi1/0/24  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/25  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/26  auto   on         3.8     IP Phone 6945       1     30.0
Gi1/0/27  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/28  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/29  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/30  auto   on         9.5     IP Phone 8961       4     30.0
Gi1/0/31  auto   on         3.8     IP Phone 6945       1     30.0
Gi1/0/32  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/33  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/34  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/35  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/36  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/37  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/38  auto   off        0.0     n/a                 n/a   30.0
Interface Admin  Oper       Power   Device              Class Max
                            (Watts)
--------- ------ ---------- ------- ------------------- ----- ----
Gi1/0/39  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/40  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/41  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/42  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/43  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/44  auto   on         16.8    AIR-CAP3702I-A-K9   4     30.0
Gi1/0/45  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/46  auto   on         9.5     IP Phone 8961       4     30.0
Gi1/0/47  auto   on         30.0    AIR-AP3802I-B-K9    4     30.0

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