You may not get link/activity until the AP's interface comes up, but the AP may
still be requesting power and booting. I'd get one attached to a console cable
and see what happens. If you're using a Cisco switch, the "show power inline"
command will tell you if power is being supplied/requested.
Jeff
On 8/17/18, 11:17 AM, "The EDUCAUSE Wireless Issues Constituent Group Listserv
on behalf of Sam Ziadeh" <WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU on behalf of
szia...@lsu.edu> wrote:
POE switch (non cisco). We did take some of the failed units and plugged
them into a Cisco POE switch to rule out a switch issue.
We did not check the console port of the AP, but the port on the switch was
not lighting up either.
-Sam
-----Original Message-----
From: The EDUCAUSE Wireless Issues Constituent Group Listserv
<WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU> On Behalf Of Jeffrey D. Sessler
Sent: Thursday, August 16, 2018 7:59 PM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: Re: [WIRELESS-LAN] Cisco AP2800 failure rate
I’ve got a metric ton of 3800’s and 2800’s spanning FCS (first customer
ship) to less than a month old and have had zero failures.
I agree with one of the other posters that even with no lights displayed,
there can be action on the console port.
Was the initial failure when connected to a POE switch or using an
injector? Cisco switches/injectors or third-party?
Jeff
From: "wireless-lan@listserv.educause.edu"
<WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU> on behalf of Sam Ziadeh <szia...@lsu.edu>
Reply-To: "wireless-lan@listserv.educause.edu"
<WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>
Date: Thursday, August 16, 2018 at 7:39 AM
To: "wireless-lan@listserv.educause.edu"
<WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>
Subject: [WIRELESS-LAN] Cisco AP2800 failure rate
Is anyone else seeing a high rate of Cisco AP 2800 failures? Out of a batch
of ~500 recently installed Aps, we have had roughly 70 fail. Some were online
for a month, but some only a few days.
Typically they will fail after a powercycle or loss of power.
We are working with Cisco on this, but I’m curious if this is a more wide
spread problem.
-------------------------------------------------------------
Sam Ziadeh
Manager, Network Engineering & Architecture
University Networking & Infrastructure
Information Technology Services
Louisiana State University
(225) 578-0074
szia...@lsu.edu <mailto:szia...@lsu.edu>
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