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Update docker0 default subnet to 172.17.0.0/16

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yeasy
2026-04-25 21:03:39 +00:00
parent 84a801f3ac
commit dad26ccb28
1 changed files with 3 additions and 3 deletions
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12_implementation/12.6_network.md
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@@ -50,7 +50,7 @@ $ sudo ln -s /proc/$pid/ns/net /var/run/netns/$pid
```bash ```bash
$ ip addr show docker0 $ ip addr show docker0
21: docker0: ... 21: docker0: ...
inet 172.17.42.1/16 scope global docker0 inet 172.17.0.1/16 scope global docker0
... ...
``` ```
创建一对 “veth pair” 接口 A 和 B，绑定 A 到网桥 `docker0`，并启用它 创建一对 “veth pair” 接口 A 和 B，绑定 A 到网桥 `docker0`，并启用它
@@ -64,8 +64,8 @@ $ sudo ip link set A up
$ sudo ip link set B netns $pid $ sudo ip link set B netns $pid
$ sudo ip netns exec $pid ip link set dev B name eth0 $ sudo ip netns exec $pid ip link set dev B name eth0
$ sudo ip netns exec $pid ip link set eth0 up $ sudo ip netns exec $pid ip link set eth0 up
$ sudo ip netns exec $pid ip addr add 172.17.42.99/16 dev eth0 $ sudo ip netns exec $pid ip addr add 172.17.0.99/16 dev eth0
$ sudo ip netns exec $pid ip route add default via 172.17.42.1 $ sudo ip netns exec $pid ip route add default via 172.17.0.1
``` ```
以上，就是 Docker 配置网络的具体过程。 以上，就是 Docker 配置网络的具体过程。