![]() I have noticed that my Network Adapter switches between these two frequencies. My router is configured for IPv4 (not IPv6), and supports channels in 2 GHz and 5 GHz band. ![]() anyway I don't think this is the problem.īut nothing was soft or hard blocked to start with so no differences. SET failed on device wlan0 Operation not supported.īut I keep getting this error. I've tried to enable power management and then turn it off (even though it shows it is already turned off): sudo modprobe rtl8821ae sudo iwconfig wlan0 power offĮrror for wireless request "Set Power Management" (8B2C) : Tx excessive retries:0 Invalid misc:1 Missed beacon:0 Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Retry short limit:7 RTS thr=2347 B Fragment thr:off Wlan0 IEEE 802.11abgn ESSID:"Bravotelecom_9947" RTL8821AE 802.11ac PCIe Wireless Network Adapter sudo iwconfig #1 SMP Debian 3.16.7-ckt20-1+deb8u3 lspci -vnn | grep NetworkĠ4:00.0 Network controller : Realtek Semiconductor Co., Ltd. I can stay connected for hours (as long as 6 hours) and then sometimes it just crashes and doesn't work on reboot. I've been having problems with my wifi connection (rtl8821ae driver).
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