How does the truenas.local domain work?

Netdewt

Explorer
Joined
Jan 19, 2021
Messages
98
You can chalk this up to me not being smart. But, I've done a bunch of searching and I'm stuck on it.

How does the truenas.local domain work?

This is what is happening.

Mac A:
- wired, DHCP IP
- Go > "Connect to Server..." smb://truenas.local works.
- Go > "Connect to Server..." smb://<static IP> works.

Mac B:
- wireless (Unifi), DHCP IP
- Go > "Connect to Server..." smb://truenas.local does NOT work.
- Go > "Connect to Server..." smb://<static IP> works.

Thoughts on why DNS is not working on Mac B but it is on Mac A?

Screen Shot 2021-03-11 at 9.33.02 PM.png


nslookup:

Screen Shot 2021-03-11 at 9.58.00 PM.png
 
Last edited:

Samuel Tai

Never underestimate your own stupidity
Moderator
Joined
Apr 24, 2020
Messages
5,399
Unless your DNS domain is explicitly set to .local, .local domains use multicast DNS on port 5353, instead of unicast DNS on port 53. For multicast to work in your layer 2 subnet, your wireless bridge needs to grok IGMP on both the wired and wireless sides of the bridge.
 

Netdewt

Explorer
Joined
Jan 19, 2021
Messages
98
I found this (in Unifi) and truenas now shows up in the sidebar (like Bonjour).

Screen Shot 2021-03-11 at 10.06.21 PM.png


truenas.local still doesn't work on the wireless computers.

This looks promising. Does this pane (in Unifi) perhaps need "localdomain" set to "local" and IGMP snooping turned on?

Screen Shot 2021-03-11 at 11.06.09 PM.png
 
Last edited:

ChrisRJ

Wizard
Joined
Oct 23, 2020
Messages
1,919
As sort-of mentioned above, the use of "local" as an internal domain is likely to cause problems, because it interferes with mDNS. Try "localdomain" to confirm or disprove as a next step.
 

Netdewt

Explorer
Joined
Jan 19, 2021
Messages
98
As sort-of mentioned above, the use of "local" as an internal domain is likely to cause problems, because it interferes with mDNS. Try "localdomain" to confirm or disprove as a next step.

Aaah. I see. Looking into that, thanks.
 
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