Routerboard 951UI 2HnD as wired to wireless bridges

Hallo everyone,

so I am pulling my hair out trying to understand why this Mikrotik device is not playing nice with me. I am an IT guy with lots of network experience but this is my first experience with Mikrotik. I have 4 of these Routerboard 951UI’s. Three of which I have not touched as I inherited them at a small NGO where I am volunteering in Guinea, Conakry. These three Routerboards are connected to another Microtik Router (sorry I forget the model number) via ethernet cable to port 1 and working as wired to wireless repeaters or bridges providing my NGO’s office with wifi. Works great…but due to the type of internet connect that the main router is connected to is ridiculously slow and overpriced, I am trying to improve the network by replacing the connection and ISP.

So I have take one of the 951UI’s and am trying to use it in a similar fashion as a wired to wireless bridge for a Huawei B612 Flybox 4G router. This unfortunately is not working and I have wasted 2 days already. The 951UI’s works fine in Bridge mode when I use ports 2-5 but ether1 refuses to pull DHCP from the Huawei router. My laptop has no problem with the Huawei. All other ports on the 951UI have no problem with the Huawei’s DHCP. But only ether1 refuses to play ball and I have to use ether1 because it is the only POE port and the building is designed only to support POE based access points!

Seems like an easy fix though… But unfortunately I have used every possible “Quick Set” config of the 951UI to no avail. I tried deleting the default config completely and creating a Bridge that has all other interfaces in it including ether1 as I read multiple times on this forum. I have tried so many different possible solutions just to get the port ether1 to pull a DHCP address! I think I am losing my mind and now I am wondering if the port itself is physically broken. But I can’t use one of the other three 951UI’s as they are in “production.”

Hello,

If you have bridged all the ports, you have to add dhcp client on that bridge, and then it will receive an ip address from your Huawei.

Regards,

Just to second the solution and to re-phrase it, as other network experience will not help much.

@Pizzapotamus: Mikrotik devices are like network building blocks (like Lego blocks) , you have to fabricate your solution yourselves. Quick setup is very limited, and the chances are slim that you will find a good solution for your specific setup.

From your normal Quick set, go to the other menu settings (and never touch Quick set again after any modification there)
Connect ALL interfaces to the same bridge. All interfaces are SLAVE interfaces to the bridge now. E.G. ether1 will NOT receive an IP address , but the bridge will be the receiver.
If there is a LAN “interface list”, add the bridge to that LAN list (the rest of the interfaces list entries don’t matter, they are all slaves only.
Remove the DHCP server (all DHCP leases will come from the Flybox)
Add the DHCP client to the bridge (makes no sense to add it to an interface). Flybox will give an IP address to the bridge (this IP address is not used for traffic, only for management)
All ethernet interfaces are equal ( as only the bridge setting matters)