我尝试寻找一些关于如何做到这一点的精确信息。但至今仍未奏效。
所以我通过 USB 将我的 Android 手机连接到我的 Ubuntu 16.04 LTS。有一个空闲的以太网卡端口，我想将交换机连接到该端口，以便与连接到它的其他 PC 在 LAN 上共享互联网。
所以我知道我应该使用 Ubuntu 的功能来充当路由器，但我不知道正确的步骤。
有人能帮帮我吗？非常感谢。
大卫
编辑
jean@Jean:~$ ifconfig -a
enp0s25 Link encap:Ethernet HWaddr 00:24:7e:6b:4c:f4
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:1927872 erreurs:0 :0 overruns:0 frame:0
TX packets:9242541 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:138358559 (138.3 MB) Octets transmis:13916091176 (13.9 GB)
Interruption:20 Mémoire:fc000000-fc020000
lo Link encap:Boucle locale
inet adr:127.0.0.1 Masque:255.0.0.0
adr inet6: ::1/128 Scope:Hôte
UP LOOPBACK RUNNING MTU:65536 Metric:1
Packets reçus:29275 erreurs:0 :0 overruns:0 frame:0
TX packets:29275 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:2542001 (2.5 MB) Octets transmis:2542001 (2.5 MB)
wlp3s0 Link encap:Ethernet HWaddr 00:21:6a:48:d6:1c
inet adr:192.168.43.141 Bcast:192.168.43.255 Masque:255.255.255.0
adr inet6: fe80::ca90:4d01:8c81:12d1/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:6669318 erreurs:0 :0 overruns:0 frame:0
TX packets:3355799 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:9380453011 (9.3 GB) Octets transmis:885574119 (885.5 MB)
wwp0s29f7u4i7 Link encap:Ethernet HWaddr 02:80:37:ec:02:00
BROADCAST MULTICAST MTU:1500 Metric:1
Packets reçus:0 erreurs:0 :0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:0 (0.0 B) Octets transmis:0 (0.0 B)
jean@Jean:~$ ip route show
default via 192.168.43.1 dev wlp3s0 proto static metric 600
169.254.0.0/16 dev wlp3s0 scope link metric 1000
192.168.43.0/24 dev wlp3s0 proto kernel scope link src 192.168.43.141 metric 600
jean@Jean:~$ ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp0s25: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 00:24:7e:6b:4c:f4 brd ff:ff:ff:ff:ff:ff
3: wlp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether 00:21:6a:48:d6:1c brd ff:ff:ff:ff:ff:ff
inet 192.168.43.141/24 brd 192.168.43.255 scope global dynamic wlp3s0
valid_lft 3514sec preferred_lft 3514sec
inet6 fe80::ca90:4d01:8c81:12d1/64 scope link
valid_lft forever preferred_lft forever
19: wwp0s29f7u4i7: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 02:80:37:ec:02:00 brd ff:ff:ff:ff:ff:ff