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Vlan question

LairdyBoyLairdyBoy Newbie ✭
in Mid Range Firewalls

Hi,

We have a customer that is sharing offices with other companies within the group and keeping the network separate on there own switches but sharing the SonicWALL.

Is it possible to have a tagged Vlan on say X0:200 that is also on the same subnet range as X2

So X0 native is 192.168.1.0/24, X2 native is 192.168.200.0/24 and X0:200 is 192.168.200.0/24?

I have tried adding the Vlan on X0 but saying its conflict with X2.


Kind Regards

Category: Mid Range Firewalls
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Answers

  • LairdyBoyLairdyBoy Newbie ✭
    Network.jpg

    Example of the network

  • ArkwrightArkwright Community Legend ✭✭✭✭✭

    Generally speaking, no, you can't configure overlapping IPs on SonicOS. From your diagram it seems like you are wanting to use the Sonicwall as a switch.

    Two possible approaches:

    • Use multiple physical links on the Sonicwall and have a portshield group for each tenant
    • Configure the VLAN subinterface in "Transparent IP Mode". I haven't tried this and can't say if it will work. Scratch that, it only allows choosing objects in WAN zone, otherwise, that could have been useful.
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