Changed the core switches over to the MS250 Meraki Stack last night. Connected them to 8 HP Edge switches without problem. I dint realise the HP switches were such a mess with their trunks, native vlan mismatches unused vlans and some even in unused LACP groups, with all that mess the trunks still all worked. I had read that if your trunks were not configured identical each side you were in for trouble, but not this time. Cleaned up the trunks on the HP side anyway, next will be to implement LACP between Core and each HP Edge. Layer 3 setup is easy as pie, and yes yes yes I love the monitoring!
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