V2EX 18小时前
Intel AX201网卡直通OpenWrt后AP模式开启失败问题
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用户在将Intel AX201网卡直通给OpenWrt后,遇到无法开启AP模式的问题。经排查发现,网卡可能处于“self-managed”监管域模式,国家区域代码显示为“00”。`iw reg get`命令的输出显示,全局区域代码为CN,但物理设备(phy#0)处于自管理模式,且仅支持有限的频段和带宽配置,特别是限制了160MHz和320MHz的带宽,并且在某些频段强制使用了DFS。这可能是导致AP模式无法正常工作的原因。

📶 **网卡监管域问题**: Intel AX201网卡在直通给OpenWrt后,出现了“self-managed”监管域模式,导致国家区域代码为“00”,这限制了其正常的Wi-Fi功能。

⚙️ **频段与带宽限制**: `iw reg get`的输出显示,该网卡在自管理模式下,对2.4GHz和5GHz频段的带宽支持存在限制,特别是禁用了160MHz和320MHz的带宽,并且在部分频段强制启用了DFS(动态频率选择),这可能影响AP模式的稳定性和兼容性。

💡 **潜在解决方案**: 尝试通过修改OpenWrt的配置或固件,强制设置正确的国家区域代码,或者寻找针对该网卡在Linux环境下解除“self-managed”模式或强制启用所有可用频段和带宽的方法,以解决AP模式无法开启的问题。


Intel(R) Wi-Fi 6 AX201 160MHz 网卡直通给 OpenWrt,死活无法开启 AP ,有懂哥吗?

查了一下 AI ,说是使用了 self-managed 监管域模式,国家区域始终是 00.

$iw reg get globalcountry CN: DFS-FCC        (2400 - 2483 @ 40), (N/A, 20), (N/A)        (5150 - 5250 @ 80), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW        (5250 - 5350 @ 80), (N/A, 20), (0 ms), NO-OUTDOOR, DFS, AUTO-BW        (5725 - 5850 @ 80), (N/A, 33), (N/A)        (57240 - 59400 @ 2160), (N/A, 28), (N/A)        (59400 - 63720 @ 2160), (N/A, 44), (N/A)        (63720 - 65880 @ 2160), (N/A, 28), (N/A)phy#0 (self-managed)country 00: DFS-UNSET        (2402 - 2437 @ 40), (6, 22), (N/A), AUTO-BW, NO-HT40MINUS, NO-80MHZ, NO-160MHZ        (2422 - 2462 @ 40), (6, 22), (N/A), AUTO-BW, NO-80MHZ, NO-160MHZ        (2447 - 2482 @ 40), (6, 22), (N/A), AUTO-BW, NO-HT40PLUS, NO-80MHZ, NO-160MHZ        (5170 - 5190 @ 160), (6, 22), (N/A), NO-OUTDOOR, AUTO-BW, IR-CONCURRENT, NO-HT40MINUS, NO-320MHZ, PASSIVE-SCAN        (5190 - 5210 @ 160), (6, 22), (N/A), NO-OUTDOOR, AUTO-BW, IR-CONCURRENT, NO-HT40PLUS, NO-320MHZ, PASSIVE-SCAN        (5210 - 5230 @ 160), (6, 22), (N/A), NO-OUTDOOR, AUTO-BW, IR-CONCURRENT, NO-HT40MINUS, NO-320MHZ, PASSIVE-SCAN        (5230 - 5250 @ 160), (6, 22), (N/A), NO-OUTDOOR, AUTO-BW, IR-CONCURRENT, NO-HT40PLUS, NO-320MHZ, PASSIVE-SCAN        (5250 - 5270 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40MINUS, NO-320MHZ, PASSIVE-SCAN        (5270 - 5290 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40PLUS, NO-320MHZ, PASSIVE-SCAN        (5290 - 5310 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40MINUS, NO-320MHZ, PASSIVE-SCAN        (5310 - 5330 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40PLUS, NO-320MHZ, PASSIVE-SCAN        (5490 - 5510 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40MINUS, NO-320MHZ, PASSIVE-SCAN        (5510 - 5530 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40PLUS, NO-320MHZ, PASSIVE-SCAN        (5530 - 5550 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40MINUS, NO-320MHZ, PASSIVE-SCAN        (5550 - 5570 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40PLUS, NO-320MHZ, PASSIVE-SCAN        (5570 - 5590 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40MINUS, NO-320MHZ, PASSIVE-SCAN        (5590 - 5610 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40PLUS, NO-320MHZ, PASSIVE-SCAN        (5610 - 5630 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40MINUS, NO-320MHZ, PASSIVE-SCAN        (5630 - 5650 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40PLUS, NO-320MHZ, PASSIVE-SCAN        (5650 - 5670 @ 80), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40MINUS, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN        (5670 - 5690 @ 80), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40PLUS, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN        (5690 - 5710 @ 80), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40MINUS, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN        (5710 - 5730 @ 80), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40PLUS, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN        (5735 - 5755 @ 80), (6, 22), (N/A), AUTO-BW, IR-CONCURRENT, NO-HT40MINUS, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN        (5755 - 5775 @ 80), (6, 22), (N/A), AUTO-BW, IR-CONCURRENT, NO-HT40PLUS, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN        (5775 - 5795 @ 80), (6, 22), (N/A), AUTO-BW, IR-CONCURRENT, NO-HT40MINUS, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN        (5795 - 5815 @ 80), (6, 22), (N/A), AUTO-BW, IR-CONCURRENT, NO-HT40PLUS, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN        (5815 - 5835 @ 20), (6, 22), (N/A), AUTO-BW, IR-CONCURRENT, NO-HT40MINUS, NO-HT40PLUS, NO-80MHZ, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN

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Intel AX201 OpenWrt AP模式 网卡直通 监管域 Wi-Fi DFS Intel AX201 OpenWrt AP Mode NIC Passthrough Regulatory Domain Wi-Fi DFS
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