I just saw your username lol.
If you look up the MAC on core1/mdf1a first it will show you the ae interface of the correct access switch. If it shows up on ae0.0 there it means it’s being learned from core2/mdf1b–so check there next.
If you look up the MAC on core1/mdf1a first it will show you the ae interface of the correct access switch. If it shows up on ae0.0 there it means it’s being learned from core2/mdf1b–so check there next.