Spanning tree disabled on wireless controllers

I have noticed on some Aruba wireless controllers the spanning tree is disabled.  Is there a reason to disable a spanning tree on aruba wifi controllers or on any wireless controllers?
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Tiras25Asked:
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nociSoftware EngineerCommented:
depends, if they are bridges, then you maybe better enable STP,, if they are routers then STP is not needed.
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Tiras25Author Commented:
I see.  So they have to be configured as bridges or routers?  Could be neither?
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nociSoftware EngineerCommented:
Either they are setup as routers or as bridges, you network design determines how you want to use them....
can be either one (not both at the same time)....
With routine they are independant endpoints, with bridging they are more or less wireless connections on the ethernet.
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Sandeep GuptaConsultantCommented:
it is recommended to disable spanning tree for wlan either Aruba or cisco
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nociSoftware EngineerCommented:
@sandeep YMMV,    when WLAN is used with separate WiFi cells (no handoff to the WiFi AP with strongest signal) then there is no risc of network loops so yes then you can disable STP on AP's...
If handoff has been arranged between between AP's then YMMV a lot.....  esp. when multicast is used like mDNS.
(Handoff means there are short periods where you have contact with 2 AP's in the same network with the same credentials )

Therefore it does depend on the network design, and how AP access has been arranged.
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Tiras25Author Commented:
ymmv - your mileage may vary?   Trying to understand the way you explained.
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nociSoftware EngineerCommented:
yes YMM = Your Milage May Vary
in stead of handoff i should have said seamless handoff (more correct way of describing 802.11r  fast bss transfer and related stuff.).

In most cases you can probably run with STP disabled on AP's.
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Tiras25Author Commented:
APs or controllers?  I am asking for STP on wifi controllers.
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nociSoftware EngineerCommented:
If a controller has multiple connections to other controllers/AP's turn STP on.   (if even to err on the safe side)
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