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| [vagrant@docker-node1 ~]$ docker network create -d bridge my-bridge
7cbd844d6e4cf262eba12277a3e8b4c475a1fb6aa73b9ea312d113d6c519284a
[vagrant@docker-node1 ~]$ docker network ls
NETWORK ID NAME DRIVER SCOPE
36c9fe545daf bridge bridge local
39385556d8cd host host local
7cbd844d6e4c my-bridge bridge local
7828c2433efd none null local
[vagrant@docker-node1 ~]$ brctl show
bridge name bridge id STP enabled interfaces
br-7cbd844d6e4c 8000.02425dd71cb3 no
docker0 8000.0242428b4b10 no veth2657408
veth7687c87
[vagrant@docker-node1 ~]$ docker run -d --name test3 --network my-bridge busybox /bin/sh -c "while true; do sleep 3600; done"
[vagrant@docker-node1 ~]$ brctl show
bridge name bridge id STP enabled interfaces
br-7cbd844d6e4c 8000.02425dd71cb3 no vetha530f6b
docker0 8000.0242428b4b10 no veth2657408
veth7687c87
[vagrant@docker-node1 ~]$ docker network ls
NETWORK ID NAME DRIVER SCOPE
36c9fe545daf bridge bridge local
39385556d8cd host host local
7cbd844d6e4c my-bridge bridge local
7828c2433efd none null local
[vagrant@docker-node1 ~]$ docker network inspect 7cbd844d6e4c
[
{
"Name": "my-bridge",
"Id": "7cbd844d6e4cf262eba12277a3e8b4c475a1fb6aa73b9ea312d113d6c519284a",
"Created": "2018-12-16T13:17:25.765613424Z",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": {},
"Config": [
{
"Subnet": "172.18.0.0/16",
"Gateway": "172.18.0.1"
}
]
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {
"5adef860247e056b8f8d2fab89892e10573daff5ea598482f53cefe3152700e0": {
"Name": "test3",
"EndpointID": "19f5d575ad3ff8602c7342f036f024e88c4b97c33a68efa206bd810128b82ddc",
"MacAddress": "02:42:ac:12:00:02",
"IPv4Address": "172.18.0.2/16",
"IPv6Address": ""
}
},
"Options": {},
"Labels": {}
}
]
连接到test2上
[vagrant@docker-node1 ~]$ docker network connect my-bridge test2
[vagrant@docker-node1 ~]$ docker network inspect 7cbd844d6e4c
[
{
"Name": "my-bridge",
"Id": "7cbd844d6e4cf262eba12277a3e8b4c475a1fb6aa73b9ea312d113d6c519284a",
"Created": "2018-12-16T13:17:25.765613424Z",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": {},
"Config": [
{
"Subnet": "172.18.0.0/16",
"Gateway": "172.18.0.1"
}
]
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {
"4b7db28e2a457ea6102fd8f06b512041e502dcf54c6d7c362fc5e39f7a0cdf23": {
"Name": "test2",
"EndpointID": "cf4a07fff8a8684cd179ae747630ceeef32ebd38b2fb5eb9db4d2d35759970fb",
"MacAddress": "02:42:ac:12:00:03",
"IPv4Address": "172.18.0.3/16",
"IPv6Address": ""
},
"5adef860247e056b8f8d2fab89892e10573daff5ea598482f53cefe3152700e0": {
"Name": "test3",
"EndpointID": "19f5d575ad3ff8602c7342f036f024e88c4b97c33a68efa206bd810128b82ddc",
"MacAddress": "02:42:ac:12:00:02",
"IPv4Address": "172.18.0.2/16",
"IPv6Address": ""
}
},
"Options": {},
"Labels": {}
}
]
查看默认的bridge，都有test2，说明test2 Container及连到了默认的bridge又连到了my-bridge。
[vagrant@docker-node1 ~]$ docker network ls
NETWORK ID NAME DRIVER SCOPE
36c9fe545daf bridge bridge local
39385556d8cd host host local
7cbd844d6e4c my-bridge bridge local
7828c2433efd none null local
[vagrant@docker-node1 ~]$ docker network inspect 36c9fe545daf
[
{
"Name": "bridge",
"Id": "36c9fe545daf2ab0917fce9b1a8edee5ebdd4cb375b1083439212506f3fe179c",
"Created": "2018-12-15T19:24:36.985544361Z",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": [
{
"Subnet": "172.17.0.0/16",
"Gateway": "172.17.0.1"
}
]
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {
"4b7db28e2a457ea6102fd8f06b512041e502dcf54c6d7c362fc5e39f7a0cdf23": {
"Name": "test2",
"EndpointID": "4ba2bbe1ee63a797b528e25533fd09dda8921cf5f688d4a5a24db4efed7410e2",
"MacAddress": "02:42:ac:11:00:03",
"IPv4Address": "172.17.0.3/16",
"IPv6Address": ""
},
"f6c6d9b55defc79cf5a39feff1dde1da336f3aa29e68a7577428aefab0196f6b": {
"Name": "test1",
"EndpointID": "12a9fa5786c42c486e46bb058e44eb811f8d293ca4a89e1203df134c393d0254",
"MacAddress": "02:42:ac:11:00:02",
"IPv4Address": "172.17.0.2/16",
"IPv6Address": ""
}
},
"Options": {
"com.docker.network.bridge.default_bridge": "true",
"com.docker.network.bridge.enable_icc": "true",
"com.docker.network.bridge.enable_ip_masquerade": "true",
"com.docker.network.bridge.host_binding_ipv4": "0.0.0.0",
"com.docker.network.bridge.name": "docker0",
"com.docker.network.driver.mtu": "1500"
},
"Labels": {}
}
]
[vagrant@docker-node1 ~]$ docker exec test2 ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue 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
9: eth0@if10: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1500 qdisc noqueue
link/ether 02:42:ac:11:00:03 brd ff:ff:ff:ff:ff:ff
inet 172.17.0.3/16 brd 172.17.255.255 scope global eth0
valid_lft forever preferred_lft forever
14: eth1@if15: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1500 qdisc noqueue
link/ether 02:42:ac:12:00:03 brd ff:ff:ff:ff:ff:ff
inet 172.18.0.3/16 brd 172.18.255.255 scope global eth1
valid_lft forever preferred_lft forever
[vagrant@docker-node1 ~]$ docker exec -it test3 /bin/sh
/ # ping 172.18.0.3
PING 172.18.0.3 (172.18.0.3): 56 data bytes
64 bytes from 172.18.0.3: seq=0 ttl=64 time=0.727 ms
/ # ping test2
PING test2 (172.18.0.3): 56 data bytes
64 bytes from 172.18.0.3: seq=0 ttl=64 time=0.058 ms
Container连接到用户自己创建的bridge上，默认是link好的。所以使用Container name也能通。如果连接到docker0则不是。
|