Docker之修改docker0网桥

[[email protected]_Node-172_30_7_233 ~]# systemctl stop docker.service 
[[email protected]_Node-172_30_7_233 ~]# ip link set docker0 down 
[[email protected]_Node-172_30_7_233 ~]# brctl delbr docker0
[[email protected]_Node-172_30_7_233 ~]# iptables -t nat -F POSTROUTING

[[email protected]_Node-172_30_7_233 ~]# brctl addbr docker0
[[email protected]_Node-172_30_7_233 ~]# ip addr add 172.31.248.1/21 dev docker0              
[[email protected]_Node-172_30_7_233 ~]# ip link set docker0 up
[[email protected]_Node-172_30_7_233 ~]# cat /etc/docker/daemon.json
{
  "bip": "172.31.248.1/16"
}
[[email protected]_Node-172_30_7_233 ~]# systemctl restart docker.service