From 1753765862578f0e10cc85a67c8bf6d258d62f4e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Deronne?= <sebastien.deronne@gmail.com>
Date: Fri, 4 Sep 2020 12:51:05 +0200
Subject: [PATCH] wifi: Do not send VHT capabilities when operating in 2.4 GHz
 band

---
 src/wifi/helper/wifi-helper.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/wifi/helper/wifi-helper.cc b/src/wifi/helper/wifi-helper.cc
index ec4285353..6a1f2137c 100644
--- a/src/wifi/helper/wifi-helper.cc
+++ b/src/wifi/helper/wifi-helper.cc
@@ -765,7 +765,7 @@ WifiHelper::Install (const WifiPhyHelper &phyHelper,
           Ptr<HtConfiguration> htConfiguration = CreateObject<HtConfiguration> ();
           device->SetHtConfiguration (htConfiguration);
         }
-      if (it->second.phyStandard >= WIFI_PHY_STANDARD_80211ac)
+      if ((it->second.phyStandard >= WIFI_PHY_STANDARD_80211ac) && (it->second.phyBand != WIFI_PHY_BAND_2_4GHZ))
         {
           Ptr<VhtConfiguration> vhtConfiguration = CreateObject<VhtConfiguration> ();
           device->SetVhtConfiguration (vhtConfiguration);