我的有线互联网连接无法正常工作,我无法访问网络设置的有线部分。我的问题与网络设置中缺少有线选项以及许多其他情况,但我尝试了针对这些情况提出的所有解决方案,但它们对我来说不起作用。
我使用的是没有以太网端口的 Dell XPS-15-9500。因此,我必须使用 Dell DA200 适配器来连接有线连接。这个适配器在很长一段时间内都运行良好。突然间它不再工作了,我甚至在设置中找不到“有线”连接。(无线连接仍在工作。)
一些可能有用的信息:
$ifconfig
docker0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
inet 172.17.0.1 netmask 255.255.0.0 broadcast 172.17.255.255
ether 02:42:ce:34:e6:4e txqueuelen 0 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 23784 bytes 2711203 (2.7 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 23784 bytes 2711203 (2.7 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlp0s20f3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 129.104.107.227 netmask 255.255.255.0 broadcast 129.104.107.255
inet6 fe80::5727:c7c6:79ce:d6f3 prefixlen 64 scopeid 0x20<link>
ether dc:41:a9:a9:eb:e2 txqueuelen 1000 (Ethernet)
RX packets 214538 bytes 230570417 (230.5 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 110262 bytes 39170210 (39.1 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
$ ip link show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: wlp0s20f3: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DORMANT group default qlen 1000
link/ether dc:41:a9:a9:eb:e2 brd ff:ff:ff:ff:ff:ff
3: gpd0: <POINTOPOINT,MULTICAST,NOARP> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 500
link/none
4: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DEFAULT group default
link/ether 02:42:ce:34:e6:4e brd ff:ff:ff:ff:ff:ff
$sudo lshw -c net
*-network
description: Wireless interface
product: Wi-Fi 6 AX201
vendor: Intel Corporation
physical id: 14.3
bus info: pci@0000:00:14.3
logical name: wlp0s20f3
version: 00
serial: dc:41:a9:a9:eb:e2
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=5.13.0-44-generic firmware=63.c04f3485.0 QuZ-a0-hr-b0-63.u ip=129.104.107.227 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: iomemory:600-5ff irq:16 memory:604b11c000-604b11ffff
我还想找到 MAC 地址,因为网络连接是通过某种白名单管理的,所以我想确保问题不在这里(我无法访问任何其他有线连接来测试这一点。)
问题似乎出在 Dell DA200 适配器上。使用另一个适配器,我成功连接到互联网。我仍然有兴趣了解如何让旧适配器重新工作(如果可能)。或者找到一个明确的测试,确定适配器是否存在硬件问题。(在 Mac 上也检测不到。我开始认为存在硬件问题。这有点奇怪,因为适配器的 USB 部分仍在工作。)