#134 "Auto" wifi channel option caused router to select congested channel

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opened 2 weeks ago by greenrd · 1 comments
greenrd commented 2 weeks ago

I had very slow wifi speeds today and I found that it was due to contention with multiple neighbours also using the same 2.5GHz wifi channel, channel 11.

I was under the impression that the Auto option should do a scan of the other wifi networks in range and choose an unused / lesser-used channel. However, it chose channel 11 which had become very contended, and rebooting the router did not fix the issue. Only manually setting the 2.5GHz wifi channel to channel 9 fixed the issue.

I had very slow wifi speeds today and I found that it was due to contention with multiple neighbours also using the same 2.5GHz wifi channel, channel 11. I was under the impression that the Auto option should do a scan of the other wifi networks in range and choose an unused / lesser-used channel. However, it chose channel 11 which had become very contended, and rebooting the router did not fix the issue. Only manually setting the 2.5GHz wifi channel to channel 9 fixed the issue.
lenzj commented 2 weeks ago

I had the same impression initially regarding how the auto channel selection algorithm works. Unfortunately from what I've read it's not a very smart algorithm and I don't think it even scans the bands. You are almost always better off selecting a channel manually after reviewing the congestion and available channels yourself.

I had the same impression initially regarding how the auto channel selection algorithm works. Unfortunately from what I've read it's not a very smart algorithm and I don't think it even scans the bands. You are almost always better off selecting a channel manually after reviewing the congestion and available channels yourself.
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