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pcfd
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mikrotik with tplink wds

Mon Jun 10, 2019 6:54 am

HI, i have 2 routers first is Mikrotik RB941-2nD-TC, with ip 192.168.100.1 and MAC address for example A, second is tplink WR641N with ip 192.168.100.2 and MAC address for example B and its connected to first througt WDS. from TPlink router is connected notebook with static IP 192.168.100.5 and MAC address for example C with DHCP off. Static IP is setup on notebook.

Here is my problem
1. devices connected to TPlink dont have assign IP address from DHCP. (Devices with static IP assign have internet access).
2. mikrotik dont see TPlink IP adress in ARP, but see notebook IP wtih TPlink MAC adress. (wtf).

so how i can DHCP protokol work througt WDS on TPlink?
 
luuzzzeer
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Re: mikrotik with tplink wds

Tue Jun 14, 2022 8:21 am

Did anybody find the solution for this question? I have a same problem... :(
 
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mkx
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Re: mikrotik with tplink wds

Tue Jun 14, 2022 8:38 am

Probably it's not possible to solve this problem due to omissions in 802.11 standard. Lack of 4-address mode effectively blocks setting wifi bridge between two LAN islands. Vendors came up with their own proprietary solutions, but those are not compatible between different vendors. So it is possible to create transparent bridge between LAN islands, but only if both wifi devices are from the same vendor.

Read more about how mikrotik handles the problem to get an idea.
 
os11k
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Re: mikrotik with tplink wds

Wed Mar 08, 2023 11:33 am

I was fighting all night to set up WDS with RouterOS 7.6(main router) and TP-link TL-WR740N.

Seems I had same problem. I was able to connect to internet when I connected to LAN port of TL-WR740N, but not when using WiFi. Seems issue was that on WiFi network I was not getting IP via DHCP. I found workaround for that: on my Mikrotik I changed DHCP network to 192.168.8.101-254 and I enabled DHCP on my TL-WR740N - 192.168.8.50-70. TL-WR740N has IP 192.168.8.100. Additionally in DHCP settings of TL-WR740N I put default gateway as Mikrotik(in my case 192.168.8.1) and google and cloudflare DNS servers. And now it works.

Here is manual what I used for TP-Link(I did everything as is there, besides DHCP):

https://www.tp-link.com/us/support/faq/227/

Additionally I configured manually on Mikrotik to use channel 1(2412MHz), same channel what is configured on TP-LINK. TP-LINK should detect channel automatically when you press "survey", but I'm afraid that after reboot of Mikrotik it might pickup different channel and in this case theoretically TP-LINK will stop connecting to it, because it has channel 1 in configuration. So I set-up channel 1 manually on Mikrotik.

I did some additional configuration on my Mikrotik in hope to make it work without DHCP on TP-LINK, but seems it should work with default config on Mikrotik, so those changes were unnecessary(besides channel, but I'm not sure about it too).

My Mikrotik Router is RBD53G-5HacD2HnD&EG18-EA or one with LTE modem and what is distributed by LMT.
Last edited by os11k on Wed Mar 08, 2023 12:10 pm, edited 1 time in total.

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