From 19f372500e6883e1bbcc33ff4826f9a4b6abd23c Mon Sep 17 00:00:00 2001 From: vanhoefm Date: Mon, 16 Aug 2021 22:43:24 +0200 Subject: [PATCH] README: advice to manually set 5GHz channel first --- README.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/README.md b/README.md index 84383288a..53827a9ba 100644 --- a/README.md +++ b/README.md @@ -852,6 +852,10 @@ allowed to send normal frames. This is because in the function `ieee80211_monito to inject frames when `cfg80211_reg_can_beacon` returns false. As a result, Linux may refuse to inject frames even though this is actually allowed. Making `cfg80211_reg_can_beacon` return true 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. ## 9.6. Handling sleep mode