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i can run my wifi card (rtl8188eu) in ap mode in windows by using Realtek Wireless LAN Utility or Connectify.. But When i tried in ubuntu i got an error saying..

(32) Access Point (AP) mode is not supported by this device

How to fix this?

UPDATE: How did i try to set up an ap..

I used Network manager to create an wifi infrastructure network "Wi-Fi connection 1" and change the field mode=infrastructure to mode=ap in file /etc/NetworkManager/system-connections/Wi-Fi connection 1. and tried connecting to that network via connect to hidden network.

Edit: i just need to share my Wired Internet to other wifi deviecs through my wifi card.. not to connectify...

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6
  • Please edit your question and describe what you did to setup AP. It should support it.
    – Pilot6
    May 30, 2015 at 11:04
  • @Pilot6.... edited
    – Sijin T V
    May 30, 2015 at 12:53
  • possible duplicate of How do I create a WiFi hotspot sharing wireless internet connection (single adapter)?
    – Pilot6
    May 30, 2015 at 12:54
  • @Pilot6.. It is not... i dont need to run ap and get Internet from wifi simultaneously.. i just need to run my wifi card as ap alone.. and share my wired connection..
    – Sijin T V
    May 30, 2015 at 12:57
  • But still read the answer. It gives directions how to setup AP. And also I met that realtek needs a custom hostapd. Anyway you won't set it in NM.
    – Pilot6
    May 30, 2015 at 12:59

2 Answers 2

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It is possible.

I only know the method with hostapd to create an AP.

And to use hostapd with rtl8188, you need to use a patched version of hostapd. There are several version floating around. Look for rtl8188 and raspbian and hostapd in your favorite search engine.

For example here or here

But extra step is needed to make the bridge to share internet connection.

To ease things, I recommend to use create_ap that will do it in one step. See https://github.com/oblique/create_ap

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0

you have to install new modules, then AP will works fine:

philipp@d3pi2:~ $ modinfo r8188eu
filename:       /lib/modules/5.4.51-v7l+/kernel/drivers/staging/rtl8188eu/r8188eu.ko
firmware:       rtlwifi/rtl8188eufw.bin
version:        v4.1.4_6773.20130222
author:         Realtek Semiconductor Corp.
description:    Realtek Wireless Lan Driver
license:        GPL

philipp@d3pi2:~ $ sudo su -
root@d3pi2:~/rtl_drw# mkdir rtl_drw; cd rtl_drw;  
root@d3pi2:~/rtl_drw# wget http://downloads.fars-robotics.net/wifi-drivers/8188eu-drivers/8188eu-5.4.51-v7l-1333.tar.gz
root@d3pi2:~/rtl_drw# tar -xzf 8188eu-5.4.51-v7l-1333.tar.gz
root@d3pi2:~/rtl_drw# ./install.sh
root@d3pi2:~/rtl_drw# reboot

philipp@d3pi2:~ $ modinfo 8188eu
filename:       /lib/modules/5.4.51-v7l+/kernel/drivers/net/wireless/8188eu.ko
version:        v5.3.9_28540.20180627
author:         Realtek Semiconductor Corp.
description:    Realtek Wireless Lan Driver
license:        GPL

philipp@d3pi2:~ $ sudo iwconfig wlan1
wlan1     IEEE 802.11bgn  ESSID:"PUTIN_KHUILO"  Nickname:"putinkhuilo"
          Mode:Master  Frequency:2.412 GHz  Access Point: 20:0D:C0:21:EC:E8
          Bit Rate:72.2 Mb/s   Sensitivity:0/0
          Retry:off   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality:0  Signal level:0  Noise level:0
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0
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