On my LAN I currently have three Macs, an M1 iMac, an Intel iMac (2019) and an M1 MBA, all running 13.4.1. I also have a couple of Raspberry Pies, a couple of Apple TVs and an assortment of phones and tablets and IOT devices.
I'm having problems with SMB on the M1 MBA. I can connect via SMB...