Unable to enable WDS repeater on DFS channels

Installing and Using OpenWrt Network and Wireless Configuration
1

I'm using a wrt1900acs if that matters.

I have it configured as a WDS repeater, but this only works when the channel is set on the main router (a bt home hub 5 also running openwrt) and repeater to 36 (a non DFS channel). When I set the channel on my main router and repeater to "auto", and it selects a DFS frequency, the second interface on the repeater doesn't enable, and I have a lot of errors in my system log that say:
daemon.warn hostapd: Failed to check if DFS is required; ret=-1

Is there any way to fix this? The only non DFS channel my router works on is 36 and it's congested where I am.

2

a better option would be to set a different channel manualy.
like set a specific fixded channel on the two machine, no autochannel.

3

Second what @anon4457646 said, i have a wrt1200 and from everything i've read the dfs implementation is pretty poor on the new wrt series, i've never had a dfs channel work on mine, wds or otherwise.

4

strange, my wrt3200 run on channel 100, never go down.

5

hello, how made you this?

6

i just made a nice pizza.

7

thx, nice :slight_smile:

are you disable DFS?

8

That does seem to have worked, I set both to channel 100 and they seem to be working, thanks.

I do wonder though, if DFS forces the main router to change channel, will the repeater follow?

9

sometime yes sometime no. if you have stable ap, the client will be ok.

10

AP and client at the same time on a DFS channel isn't possible on all drivers. I think ath10k also has this limitation.