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已解决：配置 ad-hoc 接口后无互联网连接

tag-icon • tag-icon networking internet ethernet 19.04 adhoc
已解决：配置 ad-hoc 接口后无互联网连接

使用 Ubuntu 19.04，我尝试使用 Wi-Fi 卡 (wlo1) 连接到临时网络，并使用以太网 (eno2) 访问互联网。以太网互联网连接本身工作正常。为了连接到临时网络，我的/etc/网络/接口文件如下：

# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback

auto wlo1
iface wlo1 inet static
    wireless-mode ad-hoc
    wireless-channel 1
    wireless-essid AdhocSSID
    address 192.168.1.2
    netmask 255.255.255.0

现在，有了这样的接口文件，我可以正确访问 Ad-Hoc 网络，但我无法再通过以太网访问互联网。这是ifconfig上述接口文件的输出，它向我表明以太网连接仍然有效：

eno2: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.1.129  netmask 255.255.255.0  broadcast 192.168.1.255
        inet6 fe80::9035:712a:baa8:687f  prefixlen 64  scopeid 0x20<link>
        ether b4:2e:99:39:dc:57  txqueuelen 1000  (Ethernet)
        RX packets 30  bytes 7760 (7.7 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 51  bytes 6147 (6.1 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
        device interrupt 16  memory 0x55300000-55320000

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 174  bytes 14210 (14.2 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 174  bytes 14210 (14.2 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

wlo1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.1.2  netmask 255.255.255.0  broadcast 192.168.1.255
        inet6 fe80::aa6d:aaff:fefd:661e  prefixlen 64  scopeid 0x20<link>
        ether a8:6d:aa:fd:66:1e  txqueuelen 1000  (Ethernet)
        RX packets 8  bytes 336 (336.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 53  bytes 6469 (6.4 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

有什么建议么？

编辑：我通过使用 169.254.xx 范围内的 Ad-Hoc IP 地址（而不是 192.168.1.x）解决了我的问题

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