Adding SMB Share (TrueNas SMB share to Proxmox)

E

egrogg

New Member
Mar 12, 2025
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Hello,

I have been trying to add a SMB share to Proxmox but having issues. I have TrueNAS Scale that is on another network and it will not show any connections. But if Proxmox and TrueNAS is on the same network, it seems to work fine. But I need this to be on another network. I added firewall exceptions to pfSense and I know I can ping and connect to the TrueNAS between the two vLANS. So I know the connections and user works.

I have read that it will connect accross vLANS but in this case it doesn't want to? Not sure if I am missing something or not?
 

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You should perhaps post your pfSense firewall rules. I recently had a similar situation but with TrueNAS backing up to my Synology. Both are on different VLANs and the ordering of the pfSense firewall rules was the issue. Having the right rule is not enough in itself, where it sits in the stack of firewall rules for your VLAN makes a huge difference.
 
Also are you sure you have the correct SMB credentials to enter into Proxmox? You could try it with NFS first, just to see if it connects. You can easily have an NFS share and an SMB share on the same data set in TrueNAS. In fact, I never use SMB for Proxmox.
 
Hello, I have tried the SMB and NFS. Created both types within TrueNAS.

I can connect using the username and password as I have moved the test truenas between 2 vLANs and within the same vLAN it works just not on a separate vLAN?

Firewall rules are simple as this is a test. the allow all should be good to go but I did add. See screenshot...blurred IP. but even went to the other vLAN and have the same. just add the other IP in reverse. Not sure what the issue is?

1741879390465.png
 
egrogg said:
Hello, I have tried the SMB and NFS. Created both types within TrueNAS.

I can connect using the username and password as I have moved the test truenas between 2 vLANs and within the same vLAN it works just not on a separate vLAN?

Firewall rules are simple as this is a test. the allow all should be good to go but I did add. See screenshot...blurred IP. but even went to the other vLAN and have the same. just add the other IP in reverse. Not sure what the issue is?

View attachment 83618
Click to expand...
In pfense there is an option to disable the whole PacketFilter (PF). Try this, so you get a proof if it is a firewall issue or not...
1741879611459.png
 
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