How to setup OpenWrt as a WiFi bridge and then use it as a WiFi Access point to connect wireless devices?

Installing and Using OpenWrt Network and Wireless Configuration
1

I used this video to make a WiFi bridge and I did it:

https://www.youtube.com/watch?v=TdKTAHtKA1M

In this video you can make a WiFi client and bridge it to LAN ports.

Now I want to share internet (which is now accessible by LAN ports) to other devices by WiFi. On the other words, I also want this Modem (which is a WiFi bridge now) to act as an Access point too.

Could you please help me how can I do this?

2

(This is the default OpenWrt config, did you keep a copy before altering?)

Just setup another SSID and select lan as the the network. Simple.

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3

There is a guide about that exact scenario:

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4

did you managed to do it ? i want to know too, i have tp-link router which has better wireless connectivity but lack of cpu and memory, and have another device which has better cpu and memory but lack wireless connectivity, i want the tp-link STA wireless to be used as wan of the other device while tp-link AP wireless as the LAN from the other device. in short, tp-link is used as "wireless sta(wan) and ap(lan)" of other device

5

If both devices are running OpenWrt, you can possibly run WDS or even mesh (802.11s). Otherwise, follow the guide linked above from @eduperez -- relayd is the solution if your other device isn't OpenWrt.

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something like this, i want TP-LINK wireless AP to serve connections from SBC rather than TENDA, while SBC get internet connections from TENDA through TP-LINK wireless STA, currently i'm able to do this by disable dhcp on TP-LINK and create macvlan on SBC based on br-lan to be used as WAN device with static ip from TP-LINK subnet

i just want the wireless of TP-LINK and everything else from SBC

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So, the traffic goes from LAN to TP-Link, then to SBC and back to TP-Link, then to Tenda, and finally to internet?

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yes, since TP-LINK is good on wireless but can't handle heavy process like docker, adblocking, IP bans, etc.

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i want to know if there's a way to make TP-LINK only act as wireless of the SBC, nothing more.
just like how dumbAP works which basically act as nothing than extending the range.

10

Yes, I think this can be done. The major roadblock is going to be the Tenda router, however: I guess you cannot create a WDS connection from the TP-Link router, can you? Also, does it allow to disable the DNS and DHCP services?