# Docker的網路
Docker 的網路
透過 Linux 的網路命名空間與虛擬網路裝置(Veth pair)實現而成。然而 Docker 的網路支援了不同類型功能，主要分為四大項：
* Bridge Mode (預設)
* Host Mode
* None Mode
* Container Mode
## 檢視目前 Docker Network 狀態
docker network ls
使用 portainer WEBUI檢視:
Bridge Mode的模式如下圖
###
## Host Mode
Host Mode 可以把他想像成建立一個與 Host 擁有同樣的 network interface 的 Container ，使用方式：
```
docker run --net=host -it busybox sh
```
### None Mode
None Mode 是建置最簡潔的 Container ，也就是沒有任何 network interface 的 Container。使用方式是在建立 Container 的同時給與 `--net=none` 的參數
```
docker run --net=none -it busybox sh
```
### Container Mode
先啟動一個 Container，並且使用這個 Container 的 Container ID 建立另外一個 Container容器:
```
docker run --name hello -id busybox sh
docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
5615119a0082 busybox "sh" 5 seconds ago Up 2 seconds hello
```
```
docker run -ti --net=container:(hello | 或5615119a0082) busybox sh
```
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