Bridge 2 different network with RUT200

Hi I plan to bridge 2 different networks via RUT200. I have read the instructions and we can do it with VLAN. But I am not entirely clear about the settings. Below is my application.

Vlan 1:l I untagged my wire wan(port 1) and off my Lan(port2)
Vlan 2:I off my wire wan(port 1) and untagged my Lan(port2)

Then in my WAN interface i use static (with DHCP server?)
IP: 10.50.15.2
Subnet:255.255.255.0
Default GW: 10.50.15.254

Do I need to bridge my Port 1 & port 2 in the physical settings of WAN?
Or I need to add a static route with unicast for my wan->lan with IP 192.168.1.0 , 255.255.255.0?

Hi,

I can set up two LANs on your RUT200, just like before with the addresses 10.50.15.1 and 192.168.1.1. Since they’ll be in the same LAN zone, the devices on each subnet will still be able to communicate with each other.

Best regards,

Hi Marijus,

Thanks for the reply. I would like to ask, since there only 2 ports on my RUT200, hence I would need to tick use wan as lan option am I correct?

For the 2nd LAN that I have setup, do I still use the same gateway?(10.50.15.254)? Wouldn’t it clash with the network switch gateway?

Also, the IP of the router would have to start with 10.50.15.2 to avoid IP clash with existing network switch right?

Hello,

Yes, you’ll need to configure the WAN port as a LAN port.

For the second LAN, you don’t need to set a gateway because the LAN’s address will act as the gateway for the entire network.

As for the router IP, like any other IP in the network, it should be kept unique.

Best regards,

Hi Marijus,

Currently my setup is slightly different. Can you fact check my setup?
My RUT200 is being assigned a static IP to match clients settings. So my client can access it anywhere within the network.
But In this case, for my controller needs to use which GW? (10.55.11.27-router or 10.55.11.254-clients backbone)

Basically I also need my controller to be able to communicate within the clients network on (10.55.11.254) gateway and also the L2tp VPN(hosted by 10.55.11.27 router)

I have replaced the controller with my PC for testing. I have tried both gateways.
IP: 10.55.11.38
Gw:10.55.11.27(can ping 192.168.1.1)
Gw: 10.55.11.254(cannot ping 192.168.1.1)

So actually in my PC/controller which gateway should I use? Shall I use the routers one which is 10.55.11.27 and the router will automatically transfer to traffic to clients gateway 10.55.11.254 since its connected to the network switch physically?

Hi,

I’m a bit confused about your setup. It seems like your RUT200 (with IP address 10.55.11.27) might be acting as a DHCP relay because the Controller has an IP address from the same subnet and the same gateway address. Additionally, the RUT200 (with IP address 192.168.1.1) seems to have the same IP and gateway. Is that correct? Also, is the client’s switch a managed switch or just a regular one with a router or another DHCP server? How is L2TP configured?

Could you provide more details about the issues you’re experiencing with our devices in this setup?

Best regards,

Hi allow me to elaborate,

Currently our design is as such. My controller is directly connected to client’s backbone network. So they have assigned us the IP and gateways to connect to their network.

But there has been an addition of devices which the client’s back bone does not cover. So we are trying to setup a VPN to try to bridge this networks and get all the devices to talk to each other.

I haven’t changed my controllers IP so it might cause the confusion. So my thought process is now I put RUT200 on the same subnet as the client’s switch. This is because I am confused myself on what IP and gateways I need to set.


Would this explanation be better and is it doable?

The L2TP is configured with basic configurations only. Both RUT200 have fix public IP sim cards. Hence I need to do static route to route to the backend(local network) after VPN is established.

My end goal is for my controller to be able to read moxa and simultaneously still able to accessed thru my client’s network.

Means if my pc is in this network(10.55.11.30), I can ping my controller(192.168.2.100) with this setup.
My controller can ping both my pc(10.55.11.30) & Moxa(192.168.1.20)

The client’s switch is a DHCP enable managed switch. But for our purpose, we usually put in the static IP so our devices can be found within the network.

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