!tCyGickeVqkHsYjWnh:nixos.org

NixOS Networking

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Declaratively manage your switching, routing, wireless, tunneling and more. | Don't rely on `networking.*` use systemd-networkd and NetworkManager instead. | Set `SYSTEMD_LOG_LEVEL=debug` to debug networking issues with networkd | No bad nft puns, please. | Room recommendations: #sysops:nixos.org248 Servers

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1 Nov 2025
@k900:0upti.meK900 * Anything in dmesg | grep mt7 maybe? 22:11:10
@crushing-smite:matrix.orgcrushing-smite
╰─❯ dmesg | grep mt7
[    4.692938] mt7921e 0000:05:00.0: ASIC revision: 79220010
[    4.768676] mt7921e 0000:05:00.0: HW/SW Version: 0x8a108a10, Build Time: 20250903123148a
[    4.785309] mt7921e 0000:05:00.0: WM Firmware Version: ____000000, Build Time: 20250903123243
[    4.997376] usbcore: registered new interface driver mt7921u
[    4.999834] mt7921u 1-7.1.1:1.3: HW/SW Version: 0x8a108a10, Build Time: 20250625153620a
[    5.015635] mt7921u 1-7.1.1:1.3: WM Firmware Version: ____010000, Build Time: 20250625153703
[    5.912608] mt7921e 0000:05:00.0 wlp5s0: renamed from wlan0
[   93.172491] mt7921e 0000:05:00.0 wlp5s0: entered allmulticast mode
[   93.172665] mt7921e 0000:05:00.0 wlp5s0: entered promiscuous mode
[   93.177269] mt7921e 0000:05:00.0 wlp5s0: left allmulticast mode
[   93.177303] mt7921e 0000:05:00.0 wlp5s0: left promiscuous mode
[   93.551527] mt7921e 0000:05:00.0 wlp5s0: entered allmulticast mode
[   93.552388] mt7921e 0000:05:00.0 wlp5s0: entered promiscuous mode
[   93.554463] mt7921e 0000:05:00.0 wlp5s0: left allmulticast mode
[   93.554486] mt7921e 0000:05:00.0 wlp5s0: left promiscuous mode
[   94.120763] mt7921e 0000:05:00.0 wlp5s0: entered allmulticast mode
[   94.121633] mt7921e 0000:05:00.0 wlp5s0: entered promiscuous mode
[   94.123950] mt7921e 0000:05:00.0 wlp5s0: left allmulticast mode
[   94.123972] mt7921e 0000:05:00.0 wlp5s0: left promiscuous mode
[   94.611620] mt7921e 0000:05:00.0 wlp5s0: entered allmulticast mode
[   94.612456] mt7921e 0000:05:00.0 wlp5s0: entered promiscuous mode
[   94.614752] mt7921e 0000:05:00.0 wlp5s0: left allmulticast mode
[   94.614777] mt7921e 0000:05:00.0 wlp5s0: left promiscuous mode
[   95.119282] mt7921e 0000:05:00.0 wlp5s0: entered allmulticast mode
[   95.120179] mt7921e 0000:05:00.0 wlp5s0: entered promiscuous mode
[   95.122213] mt7921e 0000:05:00.0 wlp5s0: left allmulticast mode
[   95.122234] mt7921e 0000:05:00.0 wlp5s0: left promiscuous mode
22:11:42
@crushing-smite:matrix.orgcrushing-smite(the wifi usb dongle which provides connectivity to internet is near the same (same?) chipset - u VS e difference)22:12:25
@k900:0upti.meK900 Well it working in STA mode is not surprising 22:14:19
@k900:0upti.meK900 What is surprising is it behaving this badly in AP mode 22:14:27
@k900:0upti.meK900 And seemingly not providing a reason 22:14:46
@k900:0upti.meK900 Actually, what kernel version is that? 22:15:09
@crushing-smite:matrix.orgcrushing-smite Linux nixos 6.12.53 22:15:33
@k900:0upti.meK900Try linuxPackages_latest22:16:37
@crushing-smite:matrix.orgcrushing-smite

There's also this warning each time I rebuild:

evaluation warning: The combination of `systemd.network.enable = true`, `networking.useDHCP = true` and `networking.useNetworkd = false` can cause both networkd and dhcpcd to manage the same interfaces. This can lead to loss of networking. It is recommended you choose only one of networkd (by also enabling `networking.useNetworkd`) or scripting (by disabling `systemd.network.enable`)
22:18:16
@crushing-smite:matrix.orgcrushing-smite *

There's also this warning each time I rebuild:

"""
evaluation warning: The combination of systemd.network.enable = true, networking.useDHCP = true and networking.useNetworkd = false can cause both networkd and dhcpcd to manage the same interfaces. This can lead to loss of networking. It is recommended you choose only one of networkd (by also enabling networking.useNetworkd) or scripting (by disabling systemd.network.enable)
"""

22:18:26
@k900:0upti.meK900 This is fine for your particular setup 22:18:37
@k900:0upti.meK900 Though you may want to fix it 22:18:41
@crushing-smite:matrix.orgcrushing-smite
╰─❯ uname -a
Linux nixos 6.17.3 #1-NixOS SMP PREEMPT_DYNAMIC Wed Oct 15 10:04:23 UTC 2025 x86_64 GNU/Linux
22:21:30
@crushing-smite:matrix.orgcrushing-smite
...skipping...
Nov 01 22:20:33 nixos hostapd[962]: nl80211: deinit ifname=wlp5s0 disabled_11b_rates=0
Nov 01 22:20:33 nixos hostapd[962]: nl80211: Failed to remove interface wlp5s0 from bridge br0: Invalid argument
Nov 01 22:20:33 nixos systemd[1]: hostapd.service: Main process exited, code=exited, status=1/FAILURE
Nov 01 22:20:33 nixos systemd[1]: hostapd.service: Failed with result 'exit-code'.
Nov 01 22:20:34 nixos systemd[1]: hostapd.service: Scheduled restart job, restart counter is at 3.
Nov 01 22:20:34 nixos systemd[1]: Starting IEEE 802.11 Host Access-Point Daemon...
Nov 01 22:20:34 nixos systemd[1]: Started IEEE 802.11 Host Access-Point Daemon.
Nov 01 22:20:34 nixos hostapd[978]: wlp5s0: interface state UNINITIALIZED->COUNTRY_UPDATE
Nov 01 22:20:34 nixos hostapd[978]: Interface initialization failed
Nov 01 22:20:34 nixos hostapd[978]: wlp5s0: interface state COUNTRY_UPDATE->DISABLED
Nov 01 22:20:34 nixos hostapd[978]: wlp5s0: AP-DISABLED
Nov 01 22:20:34 nixos hostapd[978]: wlp5s0: Unable to setup interface.
Nov 01 22:20:34 nixos hostapd[978]: wlp5s0: interface state DISABLED->DISABLED
Nov 01 22:20:34 nixos hostapd[978]: wlp5s0: AP-DISABLED
Nov 01 22:20:34 nixos hostapd[978]: wlp5s0: CTRL-EVENT-TERMINATING
Nov 01 22:20:34 nixos hostapd[978]: rmdir[ctrl_interface=/run/hostapd]: Device or resource busy
Nov 01 22:20:34 nixos hostapd[978]: hostapd_free_hapd_data: Interface wlp5s0 wasn't started
Nov 01 22:20:34 nixos hostapd[978]: nl80211: deinit ifname=wlp5s0 disabled_11b_rates=0
Nov 01 22:20:34 nixos hostapd[978]: nl80211: Failed to remove interface wlp5s0 from bridge br0: Invalid argument
Nov 01 22:20:34 nixos systemd[1]: hostapd.service: Main process exited, code=exited, status=1/FAILURE
Nov 01 22:20:34 nixos systemd[1]: hostapd.service: Failed with result 'exit-code'.
Nov 01 22:20:34 nixos systemd[1]: hostapd.service: Scheduled restart job, restart counter is at 4.
Nov 01 22:20:34 nixos systemd[1]: Starting IEEE 802.11 Host Access-Point Daemon...
Nov 01 22:20:34 nixos systemd[1]: Started IEEE 802.11 Host Access-Point Daemon.
Nov 01 22:20:34 nixos hostapd[994]: wlp5s0: interface state UNINITIALIZED->COUNTRY_UPDATE
Nov 01 22:20:34 nixos hostapd[994]: Interface initialization failed
Nov 01 22:20:34 nixos hostapd[994]: wlp5s0: interface state COUNTRY_UPDATE->DISABLED
Nov 01 22:20:34 nixos hostapd[994]: wlp5s0: AP-DISABLED
Nov 01 22:20:34 nixos hostapd[994]: wlp5s0: Unable to setup interface.
Nov 01 22:20:34 nixos hostapd[994]: wlp5s0: interface state DISABLED->DISABLED
Nov 01 22:20:34 nixos hostapd[994]: wlp5s0: AP-DISABLED
Nov 01 22:20:34 nixos hostapd[994]: wlp5s0: CTRL-EVENT-TERMINATING
Nov 01 22:20:34 nixos hostapd[994]: rmdir[ctrl_interface=/run/hostapd]: Device or resource busy
Nov 01 22:20:34 nixos hostapd[994]: hostapd_free_hapd_data: Interface wlp5s0 wasn't started
Nov 01 22:20:34 nixos hostapd[994]: nl80211: deinit ifname=wlp5s0 disabled_11b_rates=0
Nov 01 22:20:34 nixos hostapd[994]: nl80211: Failed to remove interface wlp5s0 from bridge br0: Invalid argument
Nov 01 22:20:34 nixos systemd[1]: hostapd.service: Main process exited, code=exited, status=1/FAILURE
Nov 01 22:20:34 nixos systemd[1]: hostapd.service: Failed with result 'exit-code'.
Nov 01 22:20:35 nixos systemd[1]: hostapd.service: Scheduled restart job, restart counter is at 5.
Nov 01 22:20:35 nixos systemd[1]: hostapd.service: Start request repeated too quickly.
Nov 01 22:20:35 nixos systemd[1]: hostapd.service: Failed with result 'exit-code'.
Nov 01 22:20:35 nixos systemd[1]: Failed to start IEEE 802.11 Host Access-Point Daemon.
22:21:49
@crushing-smite:matrix.orgcrushing-smiteSame22:21:53
@k900:0upti.meK900 Try removing the forced regulatory domain on cfg80211 and adding it to the hostapd config instead? 22:24:08
@crushing-smite:matrix.orgcrushing-smitehow to?22:25:01
@k900:0upti.meK900 Honestly for starters just remove the boot.extraModprobeConfig 22:27:57
2 Nov 2025
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3 Nov 2025
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