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Wi-Fi Card Connects to Other Networks, But Not One of Mine
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Nirbodha
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PostPosted: Fri May 27, 2022 10:04 pm    Post subject: Wi-Fi Card Connects to Other Networks, But Not One of Mine Reply with quote

Hello everyone. It's been nearly half a year since my last post, so if I get something wrong, my apologies beforehand.

I have two routers in my house to provide a strong Wi-Fi signal in different locations. The problem is that my laptop can't connect to the router with the strongest network. It's detected by iw wlo1 scan, but nmcli and even wpa_supplicant cannot see or connect to it. Here is the results of the iw wlo1 scan, if needed.
Code:

BSS 10:9f:a9:3c:18:cb(on wlo1)
        last seen: 1791.794s [boottime]
        TSF: 7118131748584 usec (82d, 09:15:31)
        freq: 2412
        beacon interval: 100 TUs
        capability: ESS Privacy ShortSlotTime (0x0411)
        signal: -66.00 dBm
        last seen: 946 ms ago
        Information elements from Probe Response frame:
        SSID: REDACTED1679 (not part of iw itself, I just don't want to leak the SSID)
        Supported rates: 1.0* 2.0* 5.5* 11.0* 6.0 9.0 12.0 18.0
        DS Parameter set: channel 1
        ERP: <no flags>
        Extended supported rates: 24.0 36.0 48.0 54.0
        HT capabilities:
                Capabilities: 0x19ac
                        HT20
                        SM Power Save disabled
                        RX HT20 SGI
                        TX STBC
                        RX STBC 1-stream
                        Max AMSDU length: 7935 bytes
                        DSSS/CCK HT40
                Maximum RX AMPDU length 32767 bytes (exponent: 0x002)
                Minimum RX AMPDU time spacing: 16 usec (0x07)
                HT RX MCS rate indexes supported: 0-15
                HT TX MCS rate indexes are undefined
        HT operation:
                 * primary channel: 1
                 * secondary channel offset: no secondary
                 * STA channel width: 20 MHz
                 * RIFS: 0
                 * HT protection: non-HT mixed
                 * non-GF present: 0
                 * OBSS non-GF present: 0
                 * dual beacon: 0
                 * dual CTS protection: 0
                 * STBC beacon: 0
                 * L-SIG TXOP Prot: 0
                 * PCO active: 0
                 * PCO phase: 0
        WPA:     * Version: 1
                 * Group cipher: TKIP
                 * Pairwise ciphers: TKIP CCMP
                 * Authentication suites: PSK
        RSN:     * Version: 1
                 * Group cipher: TKIP
                 * Pairwise ciphers: TKIP CCMP
                 * Authentication suites: PSK
                 * Capabilities: 1-PTKSA-RC 1-GTKSA-RC (0x0000)
        WMM:     * Parameter version 1
                 * u-APSD
                 * BE: CW 15-1023, AIFSN 3
                 * BK: CW 15-1023, AIFSN 7
                 * VI: CW 7-15, AIFSN 2, TXOP 3008 usec
                 * VO: CW 3-7, AIFSN 2, TXOP 1504 usec
        WPS:     * Version: 1.0
                 * Wi-Fi Protected Setup State: 2 (Configured)
                 * Response Type: 3 (AP)
                 * UUID: 11223344-5566-7788-99aa-109fa93c18c4
                 * Manufacturer: Realtek Semiconductor Corp.
                 * Model: RTL8xxx
                 * Model Number: EV-2010-09-20
                 * Serial Number: 123456789012347
                 * Primary Device Type: 6-0050f204-1
                 * Device name: RTL8196c
                 * Config methods: Display
                 * RF Bands: 0x3
                 * Version2: 2.0


And here's the iwlist wlo1 channel, if needed.
Code:

wlo1      32 channels in total; available frequencies :
          Channel 01 : 2.412 GHz
          Channel 02 : 2.417 GHz
          Channel 03 : 2.422 GHz
          Channel 04 : 2.427 GHz
          Channel 05 : 2.432 GHz
          Channel 06 : 2.437 GHz
          Channel 07 : 2.442 GHz
          Channel 08 : 2.447 GHz
          Channel 09 : 2.452 GHz
          Channel 10 : 2.457 GHz
          Channel 11 : 2.462 GHz
          Channel 12 : 2.467 GHz
          Channel 13 : 2.472 GHz
          Channel 36 : 5.18 GHz
          Channel 40 : 5.2 GHz
          Channel 44 : 5.22 GHz
          Channel 48 : 5.24 GHz
          Channel 52 : 5.26 GHz
          Channel 56 : 5.28 GHz
          Channel 60 : 5.3 GHz
          Channel 64 : 5.32 GHz
          Channel 100 : 5.5 GHz
          Channel 104 : 5.52 GHz
          Channel 108 : 5.54 GHz
          Channel 112 : 5.56 GHz
          Channel 116 : 5.58 GHz
          Channel 120 : 5.6 GHz
          Channel 124 : 5.62 GHz
          Channel 128 : 5.64 GHz
          Channel 132 : 5.66 GHz
          Channel 136 : 5.68 GHz
          Channel 140 : 5.7 GHz
          Current Frequency:5.68 GHz (Channel 136)


My Wi-Fi card is an Intel Corporation Dual Band Wireless-AC 3168NGW [Stone Peak] (rev 10) , and it uses iwlwifi.

Everything else regarding the Wi-Fi card works great, if not slow.

Thank you in advance for reading this somewhat long post.
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jburns
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PostPosted: Fri May 27, 2022 10:14 pm    Post subject: Reply with quote

There are 2 choices. 1. Change the router settings to disable wpa or 2. rebuild wpa_supplicant with the TKIP USE flag.
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Nirbodha
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PostPosted: Fri May 27, 2022 10:29 pm    Post subject: Reply with quote

Quote:
There are 2 choices. 1. Change the router settings to disable wpa or 2. rebuild wpa_supplicant with the TKIP USE flag.

Thank you for the response.

Unfortunately, the rebuild of wpa_supplicant hasn't changed anything for my laptop.
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MrRoy3
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PostPosted: Fri May 27, 2022 11:01 pm    Post subject: Reply with quote

You could try Iwd if wpa_supplicant isn't working
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Nirbodha
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PostPosted: Sat May 28, 2022 12:15 am    Post subject: Reply with quote

MrRoy3 wrote:
You could try Iwd if wpa_supplicant isn't working

This worked for me. Thank you very much.
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