@KHC_Limited The PADI error is a loss of communication over the PPPoE link, so definitely on the BT side of the demarc. The only local issue might be some dodgy power plugs or wall modules, if you...

Are they both configured with exactly the same WLAN configuration profile--in particular the encryption standard?

@mwo Agree, the controller update seems excessively invasive/impactful. We already know that the controller can detect config inconsistencies between the controller DB and the device config (you get...

Have you tried an SNMPWALK yet just to see if the OID is exposed?

Looks good. Does it test out ok?

@SteveHeathfield Keen to hear how this progresses. One other tactic you can use is in the Row2-Row3 links by joining the ethernet ports of the 225's (is this your 'reduced back-boan'?) with a cable...