我为使我的 Broadcom BCM4360 能够看到我的 5Ghz 信道而遇到了很多麻烦(包括重新安装驱动程序)。现在,我可以看到所有仅在低信道(我猜是 <100)上工作的 5Ghz wifi 网络。但是,我无法连接到 5Ghz wifi 网络 - 即使它启动了身份验证,完成了身份验证,然后 - 没有连接。此外,连接到 2.4 GHz 网络很麻烦,因为我在这里的互联网连接速度非常低 - 速度测试中的最大速度约为 3-5 mbps,有时甚至不到 1 mbps。我尝试了以下步骤:
- 重新安装驱动程序
- 安装 wicd(安装后比网络管理器慢)
阻止 IPv6(有点,我用过这个):
sudo vim /etc/gai.conf
并且取消注释:
precedence ::ffff:0:0/96 100
iwlist 输出:
wlp3s0 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 38 : 5.19 GHz
Channel 40 : 5.2 GHz
Channel 42 : 5.21 GHz
Channel 44 : 5.22 GHz
Channel 46 : 5.23 GHz
Channel 48 : 5.24 GHz
Channel 52 : 5.26 GHz
Channel 54 : 5.27 GHz
Channel 56 : 5.28 GHz
Channel 58 : 5.29 GHz
Channel 60 : 5.3 GHz
Channel 62 : 5.31 GHz
Channel 64 : 5.32 GHz
Channel 100 : 5.5 GHz
Channel 102 : 5.51 GHz
Channel 104 : 5.52 GHz
Channel 106 : 5.53 GHz
Channel 108 : 5.54 GHz
Current Frequency:2.422 GHz (Channel 3)
我的ifconfig:
wlp3s0 IEEE 802.11 ESSID:"my_wifi_24"
Mode:Managed Frequency:2.422 GHz Access Point: 04:92:26:3A:93:F8
Bit Rate=5.5 Mb/s Tx-Power=200 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:on
Link Quality=47/70 Signal level=-63 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
我能做些什么吗?我也查找了 dmesg,但输出显示我的 wlp3s0 卡处于 IPv6 状态:
[ 797.133189] IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready
[ 797.290173] IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready
[ 834.797229] IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready
[ 837.013071] IPv6: ADDRCONF(NETDEV_CHANGE): wlp3s0: link becomes ready
请注意,我还有内置网卡 wlp2s0,它在 dmesg 中显示如下:
[ 980.012074] wlp2s0: deauthenticating from 04:92:26:3a:93:f8 by local choice (Reason: 3=DEAUTH_LEAVING)
我的 arch 是 x64,内核是 4.15.0-47-generic,我正在使用 Xubuntu
Description: Ubuntu 18.04.1 LTS
Release: 18.04
更新:我已经从有关 broadcom 的其他主题中提供的驱动程序表中安装了正确的驱动程序
更新2:添加命令输出:
lspci -knn | grep -A4 -i "Network controller"
出去:
03:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM4360 802.11ac Wireless Network Adapter [14e4:43a0] (rev 03)
Subsystem: Broadcom Inc. and subsidiaries BCM4360 802.11ac Wireless Network Adapter [14e4:0619]
Kernel driver in use: wl
Kernel modules: bcma, wl
和:
sudo lshw -class network
出去:
*-network
description: Wireless interface
product: BCM4360 802.11ac Wireless Network Adapter
vendor: Broadcom Inc. and subsidiaries
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlp3s0
version: 03
serial: 50:3e:aa:d3:60:eb
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=wl0 driverversion=6.30.223.271 (r587334) ip=192.168.1.62 latency=0 multicast=yes wireless=IEEE 802.11
resources: irq:17 memory:f7400000-f7407fff memory:f7200000-f73fffff