> For the complete documentation index, see [llms.txt](https://yeasy.gitbook.io/mininet_book/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://yeasy.gitbook.io/mininet_book/basic_usage/information.md).

# 查看信息

查看全部节点：

```
mininet> nodes
available nodes are:
c0 h2 h3 s1
```

查看链路信息：

```
mininet> net
s1 <-> h2-eth0 h3-eth0
```

输出各节点的信息：

```
mininet> dump
c0: IP=127.0.0.1 intfs= pid=1679
s1: IP=None intfs=s1-eth1,s1-eth2 pid=1682
h2: IP=10.0.0.2 intfs=h2-eth0 pid=1680
h3: IP=10.0.0.3 intfs=h3-eth0 pid=1681
```