SMB access problem from two different ip classes

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popdms
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SMB access problem from two different ip classes

Post by popdms » Fri Oct 09, 2020 10:14 pm

Hello!

I'm stuck in trouble.
I have a network that has been running a QNAP as a file server for a long time.
Now I made a network in another location, connected with the first one over a VLAN with Mikrotik routers.

The first network is in the class 192.168.0.1/24 and the second network in 192.168.15.1/24.
QNAP has ip on NIC1 192.168.0.55, gateway 192.168.0.1 and NIC2 is not used.
In network 1, 192.168.0.1/24 all devices can access Qnap both web and SMB.

From a computer in the network 2 ex. 192.168.15.123 ping goes ok to 192.168.0.55 (Qnap) and I can access the web interface of Qnap. If I want to access the SMB folder, it doesn't work.

Where is the problem?
I tried many options but I couldn't find a solution. Traffic works well between networks because I have database servers that can be accessed, but Qnap as a file server does not.
Please help me with a tip or a solution.
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OneCD
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Re: SMB access problem from two different ip classes

Post by OneCD » Sat Oct 10, 2020 6:31 am

Hi and welcome to the forum. :)

Hope this helps: https://www.reddit.com/r/networking/com ... &context=3

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popdms
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Re: SMB access problem from two different ip classes

Post by popdms » Thu Oct 15, 2020 4:03 am

It seems to be a problem similar to mine but I don't know how to solve it this way for me.
Is the solution in qnap settings or on mikrotik routers?
Maybe you can give me a suggestion on how to apply this solution to me.

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OneCD
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Re: SMB access problem from two different ip classes

Post by OneCD » Thu Oct 15, 2020 9:56 am

popdms wrote:
Thu Oct 15, 2020 4:03 am
Maybe you can give me a suggestion on how to apply this solution to me.
Sorry, no I can't. I was hoping it would mean more to you than me.

Maybe someone else has an idea?

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dawsonkm
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Re: SMB access problem from two different ip classes

Post by dawsonkm » Sat Oct 17, 2020 1:37 am

I'm not going to be super helpful. I would have to assume it has something with the routers. Maybe the firewall isnt letting the smb through on a specific port. Works with computers on the same subnet and the 2 vlans can see each other. I would look in the router to see if it's blocking something. I am pretty network dumb
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