I’ve got my first AX device having stuck to RouterOS v6 and AC until now. Quick question about authentication. I notice that in RouterOS v7, settings that used to only be in wireless profile are now duplicated/available on the wireless configuration, e.g. passphrase, authentication types. I’ve created a profile and set up passphrase and authentication methods:
I then added this to the wireless settings, removed the passphrase and authentication types:
The passphrase is working as expected - picked up from the profile. However, because I’ve unchecked authentication types, I’ve created an open network.
So am I right in saying with RouterOS v7/Wave2, the authentication settings in the wireless profile are not used and you must specify in the wireless settings screen?
See that little triangle on the left of authentication types? It is not for cosmetics, clicking it actually toggles between configured/non-configured. If you configure anything on the interface, you are overwriting whatever is configured for the same setting in the selected profile.
tl;dr: You did not remove authentication types configuration, but overwrote it to empty/none. Check export in terminal to see the difference.
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Well that was obvious - not 
I assumed that the arrow simply collapsed/revealed the panels to allow more on screen at once. But indeed it does. With the panel displayed and nothing checked you get security.authentication-types=“” but collapse the panel and that parameter disappears.
Whilst I’m asking dumb v7 newbie questions, why do some parameters in export have a full-stop in front of them?
set [ find default-name=wifi2 ] channel.band=2ghz-ax .skip-dfs-channels=10min-cac .width=20/40mhz configuration.country=“United Kingdom” .mode=ap .ssid=Middle-Earth-2G disabled=no name=private-2g security=middle-earth
I did try as search on full-stop but didn’t get very far, or rather got hundreds of hits.
LATER: ahh, I’ve twigged. It’s a shorthand so above channel.band=2ghz-ax .skip-dfs-channels=10min-cac is shorthand for channel.band=2ghz-ax channel.skip-dfs-channels=10min-cac, a dot means used the last prefix, e.g. channel
It’s an abbreviation to use the same namespace(?) as the previous parameter. In your example “.width” is short for “channel.width”, “.mode” is short for “configuration.mode”, etc.
Thanks for clarification. I worked it out as you explained it 
Don’t suppose there is a "Introduction to v7 for v6 users tutorial is there to stop me asking more simple questions.
The triangle/arrow thing is not specific to ROS7, it is the same in ROS6.