2 Replies Latest reply on Feb 13, 2018 9:52 AM by Intel Corporation

    Max clients on wifi access point with 7265

    MikaP

      Hi,

       

      I use a Intel Dual Band Wireless-N 7265 on a Intel NUC NUC5CPYH. The OS is Linux Debian 8.

       

      I create an access point with HostAPD in b/g/n mode.

       

      Do you know the limit of the number of users connected at the same time on the wifi? Works fine with 14 connected devices but not more

      How to increase it?

      This limit is hardware?

      I can't find information about this.

       

      Thanks.

       

       

        • 1. Re: Max clients on wifi access point with 7265
          MikaP

          iw list

           

          Wiphy phy0

                  max # scan SSIDs: 20

                  max scan IEs length: 393 bytes

                  Retry short limit: 7

                  Retry long limit: 4

                  Coverage class: 0 (up to 0m)

                  Device supports RSN-IBSS.

                  Device supports AP-side u-APSD.

                  Supported Ciphers:

                          * CCMP (00-0f-ac:4)

                          * TKIP (00-0f-ac:2)

                          * WEP40 (00-0f-ac:1)

                          * WEP104 (00-0f-ac:5)

                          * CMAC (00-0f-ac:6)

                          * WPI-SMS4 (00-14-72:1)

                  Available Antennas: TX 0 RX 0

                  Supported interface modes:

                           * IBSS

                           * managed

                           * AP

                           * AP/VLAN

                           * monitor

                           * P2P-client

                           * P2P-GO

                           * P2P-device

                  Band 1:

                          Capabilities: 0x11e2

                                  HT20/HT40

                                  Static SM Power Save

                                  RX HT20 SGI

                                  RX HT40 SGI

                                  TX STBC

                                  RX STBC 1-stream

                                  Max AMSDU length: 3839 bytes

                                  DSSS/CCK HT40

                          Maximum RX AMPDU length 65535 bytes (exponent: 0x003)

                          Minimum RX AMPDU time spacing: 4 usec (0x05)

                          HT TX/RX MCS rate indexes supported: 0-15, 32

                          Bitrates (non-HT):

                                  * 1.0 Mbps

                                  * 2.0 Mbps (short preamble supported)

                                  * 5.5 Mbps (short preamble supported)

                                  * 11.0 Mbps (short preamble supported)

                                  * 6.0 Mbps

                                  * 9.0 Mbps

                                  * 12.0 Mbps

                                  * 18.0 Mbps

                                  * 24.0 Mbps

                                  * 36.0 Mbps

                                  * 48.0 Mbps

                                  * 54.0 Mbps

                          Frequencies:

                                  * 2412 MHz [1] (20.0 dBm)

                                  * 2417 MHz [2] (20.0 dBm)

                                  * 2422 MHz [3] (20.0 dBm)

                                  * 2427 MHz [4] (20.0 dBm)

                                  * 2432 MHz [5] (20.0 dBm)

                                  * 2437 MHz [6] (20.0 dBm)

                                  * 2442 MHz [7] (20.0 dBm)

                                  * 2447 MHz [8] (20.0 dBm)

                                  * 2452 MHz [9] (20.0 dBm)

                                  * 2457 MHz [10] (20.0 dBm)

                                  * 2462 MHz [11] (20.0 dBm)

                                  * 2467 MHz [12] (20.0 dBm) (no IR)

                                  * 2472 MHz [13] (20.0 dBm) (no IR)

                  Band 2:

                          Capabilities: 0x11e2

                                  HT20/HT40

                                  Static SM Power Save

                                  RX HT20 SGI

                                  RX HT40 SGI

                                  TX STBC

                                  RX STBC 1-stream

                                  Max AMSDU length: 3839 bytes

                                  DSSS/CCK HT40

                          Maximum RX AMPDU length 65535 bytes (exponent: 0x003)

                          Minimum RX AMPDU time spacing: 4 usec (0x05)

                          HT TX/RX MCS rate indexes supported: 0-15, 32

                          VHT Capabilities (0x038071a0):

                                  Max MPDU length: 3895

                                  Supported Channel Width: neither 160 nor 80+80

                                  short GI (80 MHz)

                                  TX STBC

                                  SU Beamformee

                          VHT RX MCS set:

                                  1 streams: MCS 0-9

                                  2 streams: MCS 0-9

                                  3 streams: not supported

                                  4 streams: not supported

                                  5 streams: not supported

                                  6 streams: not supported

                                  7 streams: not supported

                                  8 streams: not supported

                          VHT RX highest supported: 0 Mbps

                          VHT TX MCS set:

                                  1 streams: MCS 0-9

                                  2 streams: MCS 0-9

                                  3 streams: not supported

                                  4 streams: not supported

                                  5 streams: not supported

                                  6 streams: not supported

                                  7 streams: not supported

                                  8 streams: not supported

                          VHT TX highest supported: 0 Mbps

                          Bitrates (non-HT):

                                  * 6.0 Mbps

                                  * 9.0 Mbps

                                  * 12.0 Mbps

                                  * 18.0 Mbps

                                  * 24.0 Mbps

                                  * 36.0 Mbps

                                  * 48.0 Mbps

                                  * 54.0 Mbps

                          Frequencies:

                                  * 5180 MHz [36] (20.0 dBm) (no IR)

                                  * 5200 MHz [40] (20.0 dBm) (no IR)

                                  * 5220 MHz [44] (20.0 dBm) (no IR)

                                  * 5240 MHz [48] (20.0 dBm) (no IR)

                                  * 5260 MHz [52] (20.0 dBm) (no IR, radar detection)

                                    DFS state: usable (for 544 sec)

                                    DFS CAC time: 60000 ms

                                  * 5280 MHz [56] (20.0 dBm) (no IR, radar detection)

                                    DFS state: usable (for 544 sec)

                                    DFS CAC time: 60000 ms

                                  * 5300 MHz [60] (20.0 dBm) (no IR, radar detection)

                                    DFS state: usable (for 544 sec)

                                    DFS CAC time: 60000 ms

                                  * 5320 MHz [64] (20.0 dBm) (no IR, radar detection)

                                    DFS state: usable (for 544 sec)

                                    DFS CAC time: 60000 ms

                                  * 5500 MHz [100] (22.0 dBm) (no IR, radar detection)

                                    DFS state: usable (for 544 sec)

                                    DFS CAC time: 60000 ms

                                  * 5520 MHz [104] (22.0 dBm) (no IR, radar detection)

                                    DFS state: usable (for 544 sec)

                                    DFS CAC time: 60000 ms

                                  * 5540 MHz [108] (22.0 dBm) (no IR, radar detection)

                                    DFS state: usable (for 544 sec)

                                    DFS CAC time: 60000 ms

                                  * 5560 MHz [112] (22.0 dBm) (no IR, radar detection)

                                    DFS state: usable (for 544 sec)

                                    DFS CAC time: 60000 ms

                                  * 5580 MHz [116] (22.0 dBm) (no IR, radar detection)

                                    DFS state: usable (for 544 sec)

                                    DFS CAC time: 60000 ms

                                  * 5600 MHz [120] (22.0 dBm) (no IR, radar detection)

                                    DFS state: usable (for 544 sec)

                                    DFS CAC time: 60000 ms

                                  * 5620 MHz [124] (22.0 dBm) (no IR, radar detection)

                                    DFS state: usable (for 544 sec)

                                    DFS CAC time: 60000 ms

                                  * 5640 MHz [128] (22.0 dBm) (no IR, radar detection)

                                    DFS state: usable (for 544 sec)

                                    DFS CAC time: 60000 ms

                                  * 5660 MHz [132] (22.0 dBm) (no IR, radar detection)

                                    DFS state: usable (for 544 sec)

                                    DFS CAC time: 60000 ms

                                  * 5680 MHz [136] (22.0 dBm) (no IR, radar detection)

                                    DFS state: usable (for 544 sec)

                                    DFS CAC time: 60000 ms

                                  * 5700 MHz [140] (22.0 dBm) (no IR, radar detection)

                                    DFS state: usable (for 544 sec)

                                    DFS CAC time: 60000 ms

                                  * 5720 MHz [144] (disabled)

                                  * 5745 MHz [149] (disabled)

                                  * 5765 MHz [153] (disabled)

                                  * 5785 MHz [157] (disabled)

                                  * 5805 MHz [161] (disabled)

                                  * 5825 MHz [165] (disabled)

                  Supported commands:

                           * new_interface

                           * set_interface

                           * new_key

                           * start_ap

                           * new_station

                           * new_mpath

                           * set_mesh_config

                           * set_bss

                           * authenticate

                           * associate

                           * deauthenticate

                           * disassociate

                           * join_ibss

                           * join_mesh

                           * remain_on_channel

                           * set_tx_bitrate_mask

                           * frame

                           * frame_wait_cancel

                           * set_wiphy_netns

                           * set_channel

                           * set_wds_peer

                           * start_sched_scan

                           * probe_client

                           * set_noack_map

                           * register_beacons

                           * start_p2p_device

                           * set_mcast_rate

                           * Unknown command (104)

                           * connect

                           * disconnect

                  Supported TX frame types:

                           * IBSS: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0

                           * managed: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0

                           * AP: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0

                           * AP/VLAN: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0

                           * mesh point: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0

                           * P2P-client: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0

                           * P2P-GO: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0

                           * P2P-device: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0

                  Supported RX frame types:

                           * IBSS: 0x40 0xb0 0xc0 0xd0

                           * managed: 0x40 0xd0

                           * AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0

                           * AP/VLAN: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0

                           * mesh point: 0xb0 0xc0 0xd0

                           * P2P-client: 0x40 0xd0

                           * P2P-GO: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0

                           * P2P-device: 0x40 0xd0

                  WoWLAN support:

                           * wake up on disconnect

                           * wake up on magic packet

                           * wake up on pattern match, up to 20 patterns of 16-128 bytes,

                             maximum packet offset 0 bytes

                           * can do GTK rekeying

                           * wake up on GTK rekey failure

                           * wake up on EAP identity request

                           * wake up on 4-way handshake

                           * wake up on rfkill release

                           * wake up on TCP connection

                  software interface modes (can always be added):

                           * AP/VLAN

                           * monitor

                  valid interface combinations:

                           * #{ managed } <= 1, #{ AP, P2P-client, P2P-GO } <= 1, #{ P2P-device } <= 1,

                             total <= 3, #channels <= 1

                  HT Capability overrides:

                           * MCS: ff ff ff ff ff ff ff ff ff ff

                           * maximum A-MSDU length

                           * supported channel width

                           * short GI for 40 MHz

                           * max A-MPDU length exponent

                           * min MPDU start spacing

                  Device supports TX status socket option.

                  Device supports HT-IBSS.

                  Device supports SAE with AUTHENTICATE command

                  Device supports scan flush.

                  Device supports per-vif TX power setting

                  P2P GO supports CT window setting

                  P2P GO supports opportunistic powersave setting

                  Driver supports a userspace MPM

           

          lspci | grep "Network"

           

          02:00.0 Network controller: Intel Corporation Wireless 7265 (rev 61)

           

          nano /etc/hostapd/hostapd.conf

           

          country_code=FR

          driver=nl80211

          ssid=SSID-TEST

          interface=wlan0

          hw_mode=g

          channel=5

          wmm_enabled=1

          auth_algs=1

          ieee80211n=1

          ht_capab=[SHORT-GI-40][HT40+][HT40-][DSSS_CCK-40][SHORT-GI-20][SHORT-GI-40]

          • 2. Re: Max clients on wifi access point with 7265
            Intel Corporation
            This message was posted on behalf of Intel Corporation

            Hello MikaP,

            There's not an established number for the maximum number of clients that can connect to a  system with an Intel® Wireless adapter when used as an access point (with HostAPD or similar applications). This is defined by other factors such as the device driver and the application itself.

            The Linux* Intel® Wireless adapters are developed through the Linux* community. You may contact the Linux* driver support or your distribution support for further assistance.

            NOTE: Links to third party sites are being offered for your convenience and should not be viewed as an endorsement by Intel of the content, products, or services offered there.

            Best regards,
            Eugenio F.