This is something I have seen for a long time, its annoying but there is a work around that I use. When tagging a switch port via the switch menu I find that the field doesn't auto populate which I think it odd.
To get the field to auto populate you have to add tags via the switch port menu. Examples below
![Screen Shot 2019-06-28 at 8.53.13 AM.png Screen Shot 2019-06-28 at 8.53.13 AM.png](https://community.meraki.com/t5/image/serverpage/image-id/8270iB061153C1642289C/image-size/large?v=v2&px=999)
![Screen Shot 2019-06-28 at 9.00.00 AM.png Screen Shot 2019-06-28 at 9.00.00 AM.png](https://community.meraki.com/t5/image/serverpage/image-id/8271i717319CBECD6AC0F/image-size/large?v=v2&px=999)