Wednesday, January 31, 2018

Is 802.3af different from 802.3af/A? UBNT AP-AC-Lite and a Cisco 2960C-8PC-L aren't playing nicely together.

I have some Ubiquiti AP-AC-Lite WAPs and a Cisco Catalyst 2960C-8PC-L PoE switch that I'm trying to get working.

The datasheet for the AP says that it supports 802.3af/A and the switch supports 802.3af source: table 5. Are these two different specs? I haven't been able to find anything on the /A in the Googles. According to the Ubiquiti live cat peeps, "it should work".

Plugging in the AP to the switch results in nothing - not even an attempt to power on from what I can tell.

The switch itself is known to be working - it has 3 others non-UBNT APs connected and powered up.

The UBNT APs are working as well, as they power on just fine with the included PoE injector. The problem is, I only have 1 injector and 6 APs (I thought the Cisco switch would work and wasn't able to test it.)

Some Debugging Info

poe002#show power inline Available:124.0(w) Used:46.2(w) Remaining:77.8(w) Interface Admin Oper Power Device Class Max (Watts) --------- ------ ---------- ------- ------------------- ----- ---- Fa0/1 auto on 15.4 Ieee PD 0 15.4 Fa0/2 auto off 0.0 n/a n/a 15.4 Fa0/3 auto on 15.4 Ieee PD 0 15.4 Fa0/4 auto off 0.0 n/a n/a 15.4 Fa0/5 auto on 15.4 Ieee PD 0 15.4 Fa0/6 auto off 0.0 n/a n/a 15.4 Fa0/7 auto off 0.0 n/a n/a 15.4 Fa0/8 auto off 0.0 n/a n/a 15.4 poe002#show power inline police Available:124.0(w) Used:46.2(w) Remaining:77.8(w) Interface Admin Oper Admin Oper Cutoff Oper State State Police Police Power Power --------- ------ ---------- ---------- ---------- ------ ----- Fa0/1 auto on none n/a n/a 2.3 Fa0/2 auto off none n/a n/a 0.0 Fa0/3 auto on none n/a n/a 2.2 Fa0/4 auto off none n/a n/a 0.0 Fa0/5 auto on none n/a n/a 3.4 Fa0/6 auto off none n/a n/a 0.0 Fa0/7 auto off none n/a n/a 0.0 Fa0/8 auto off none n/a n/a 0.0 --------- ------ ---------- ---------- ---------- ------ ----- Totals: 6.6 


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