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stbch's avatar
stbch
Aspirant
Jul 13, 2024
Solved

4 independent networks in one XS728T

Hi! I want to set up 4 independent networks on one XS728T. (In fact I have two of them. I have four separate networks and I would like to overcome longer distances by fiber cables.) I therefore conf...
stbch's avatar
stbch
Aspirant
Jul 15, 2024

Hello Kurt

 

Thank you very much for your answer! 

I see now the fault with the PVIDs... - see the attached screenshot with the corrected settings.

Regarding the ports being untagged: May I understand it not correctly, but I selected untagged as I do not have traffic from other VLANs on each of the VLAN configured. Behind the switch are only end nodes and switches that are not VLAN aware.

 

I have no LAGs.

 

Regarding the STP/RSTP problem: I was not aware of this and think that I currently do not oversee the impact on our network stability when I keep RSTP turned on in the two XS728Ts. When I turn it off, there just will be no more RSTP between the two network setups I currently have, and I overcome the problems you mentioned, right? - With "two" I mean the two networks environments with four networks each I connect with the two XS728T.

 

May a bad idea to use the two XS728Ts just to establish four independent networks and better use 8 media converters and other simple switches...

 

Best regards
Stephan

schumaku's avatar
schumaku
Guru - Experienced User
Jul 15, 2024

Stephan,

 

As long as you aware of the STP/RSTP and it's potential problems...a true global network wide STP or RSTP requires some careful design and planning.

 

If you think RSTP would be sufficient, and have no larger scale network admins to deal with, you better consider configure MSTP for each of your VLANs.

 

VLAN and PVID config looks ok now.

 

Of course, you can combine two XS7xxT and run a trunk with all VLANs, if more bandwidth is required have an eye into the LAG config possibilities. In case these are XS7xxT only, go for dynamic LACPs, nd don't forget to configure the LAG similar to the single ports.

 

Enjoy, and keep asking - always happy to help here! 

 

-Kurt.

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