目录
- 关闭docker进程
- 修改/etc/docker/daemon.json
- 关闭docker0网桥
- 删除docker0网桥
- 重新加载docker的配置文件
- 启动docker进程
- 查看docker0的网段
关闭docker进程
systemctl stop docker
修改/etc/docker/daemon.json
{
"bip": "100.96.2.1/24" #改为需要的网段。
}
关闭docker0网桥
ip link set dev docker0 down
删除docker0网桥
brctl delbr docker0
重新加载docker的配置文件
systemctl daemon-reload
启动docker进程
systemctl start docker
查看docker0的网段
[root@lab2 ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
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: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 08:00:27:6c:3e:95 brd ff:ff:ff:ff:ff:ff
inet 10.0.2.15/24 brd 10.0.2.255 scope global dynamic enp0s3
valid_lft 57041sec preferred_lft 57041sec
inet6 fe80::a00:27ff:fe6c:3e95/64 scope link
valid_lft forever preferred_lft forever
3: enp0s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 08:00:27:16:99:25 brd ff:ff:ff:ff:ff:ff
inet 192.168.51.112/24 brd 192.168.51.255 scope global enp0s8
valid_lft forever preferred_lft forever
inet6 fe80::a00:27ff:fe16:9925/64 scope link
valid_lft forever preferred_lft forever
6: docker0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN
link/ether 02:42:8d:ae:32:a2 brd ff:ff:ff:ff:ff:ff
inet 100.96.2.1/24 brd 100.96.2.255 scope global docker0
valid_lft forever preferred_lft forever
inet6 fe80::42:8dff:feae:32a2/64 scope link
valid_lft forever preferred_lft forever
8: vethf240465@if7: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master docker0 state UP
link/ether f6:9a:e4:85:22:b0 brd ff:ff:ff:ff:ff:ff link-netnsid 0
inet6 fe80::f49a:e4ff:fe85:22b0/64 scope link
valid_lft forever preferred_lft forever
docker0的IP段已经修改为100.96.2.1/24