README: advice to manually set 5GHz channel first

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vanhoefm 2021-08-16 22:43:24 +02:00 committed by GitHub
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@ -853,6 +853,10 @@ to inject frames when `cfg80211_reg_can_beacon` returns false. As a result, Linu
inject frames even though this is actually allowed. Making `cfg80211_reg_can_beacon` return true inject frames even though this is actually allowed. Making `cfg80211_reg_can_beacon` return true
under the correct conditions prevents this bug. under the correct conditions prevents this bug.
In practice, some people have found that you must first manually set the wireless network card to
the 5GHz channel that the AP is operating on. See [this GitHub issue](https://github.com/vanhoefm/fragattacks/issues/33#issuecomment-898712082)
for details.
<a id="id-handling-sleep"></a> <a id="id-handling-sleep"></a>
## 9.6. Handling sleep mode ## 9.6. Handling sleep mode