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I would like to request your help to understand whether my diagram is correct, at least conceptually. Im trying to set a network environment from almost scratch.

We have a fixed IP provided by ISP. Behind it, I have placed a Mikrotik router firewall. Behind the Mikrotik, I have added an ASUS wireless router.

I have internet from the Mikrotik to the internet (meaning, from the 19.168.209.0 to the internet), but not from the ASUS router (not from the 10.0.0.0/24). Im not understanding how the setup of the ASUS has to be done.

In the mikrotik, what I have done is:

  • to configure the ether1 as WAN with IP 192.168.1.2, and plug there the cable that goes to the ISP router.
  • to configure the ether2 as LAN, with IP 192.168.209.1
  • to add a route for the 10.0.0.0/24

In the ASUS wifi router, what I have done is:

to configure the WAN IP as 192.168.209.2 to configure the LAN as 10.0.0.1 enable DHCP The traffic from the ASUS is not even reaching the Mikrotik. It keeps saying unreachable. I tried to add a default route towards the gateway 192.168.209.1 but it did not work.

Im missing something basic here, hope you can give a hand.

enter image description here

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  • Hi @sawesa, Can you add some info? what is the asus operation mode (Administration / Operation mode)? can you ping from the mikrotik to the 192.168.209.2? Can you show the Mikrotik NAT table? Is the ASUS set to NAT the traffic to the Mikrotik? Thanks
    – Jorge Valentini
    Nov 29, 2018 at 17:16
  • Also both routers have a huge variety of models, if you can add the model for the asus and the routerboard
    – Jorge Valentini
    Nov 29, 2018 at 17:24
  • Hi, thanks. First I tried to set it as AP so my wireless devices will also belong to the 192.168.209.0/24 but did not know how to properly configure it in the Mirkotik. So I changed it for router mode, setting up this 10.0.0.0/24 network. No, I cannot ping the ASUS from the Mikrotik, I dont understand why. It is directly connected, eth2 Mikrotik 192.168.209.1 to WAN ASUS port 192.168.209.2, I send the ping from the MKT through eth2 and it timeout. But in the addresses table it says the network is reachable. I cannot access the NAT table now, I will post that asap
    – sawesa
    Nov 29, 2018 at 17:24
  • You are right, sorry. Mikrotik rb3011 ASUS RTAC51u (pretty simple model)
    – sawesa
    Nov 29, 2018 at 17:30
  • Please, can you check on the ASUS firewall configuration, it has a Respond ping request from WAN, enable it so that you can better debug the connection between the rb3911 and the asus
    – Jorge Valentini
    Nov 29, 2018 at 18:00

1 Answer 1

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We solved the problem setting the ASUS as Wireless Bridge mode. From the ASUS:

Wireless setting / Bridge Tab / WDS only / Connect to AP in list: yes

Thank you all for the help provided.

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