MikroTik + EAP-TLS + Non-Channel 1 / Apple iOS issues

I know a few of you guys are using MikroTik offerings in the enterprise, so
I hope to pick your brain(s). I have many, many RB433UAH's deployed
worldwide as simple WAPs. I've been looking to move to 802.1x EAP-TLS via an
external FreeRadius server. I have our HP Procurves using the FreeRadius
server without issue. Infact, the only devices that seem to have issues are
the MikroTik devices.

For one, only channel 1 seems to work with 802.1x. If I change the channel
to ANYTHING else, clients refuse to auth. Secondly, newer iOS devices (iOS 5
and newer, I believe) refuse to auth entirely. I have an older iPod touch
that is on iOS4 that can authenticate on channel 1.

Have any of you guys seen issues like this? Thanks.

-- Thomas York

We had some issues with apple devices recently on a new MT using WPA2 and preshared key - might not be the same but...

The preamble mode was important plus the auth types needed to drop any older auth options types as apple seems to only accept the latest versions

We had iphones, macbook airs and some macs not connect

These were the settings that made everything spring to life as best I recall

ht-basic-mcs=mcs-0,mcs-1,mcs-2,mcs-3,mcs-4,mcs-5,mcs-6,mcs-7 ht-guard-interval=any ht-rxchains=0,1 ht-txchains=0,1
preamble-mode=long proprietary-extensions=post-2.9.25
eap-methods=passthrough group-ciphers=aes-ccm

Cheers Duncan