GrabBag/Tools/ubuntu桥接.md

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2026-01-16 01:04:43 +08:00
# ubuntu 网卡间桥接
目的是对ubuntu的两个网卡进行桥接使得连接在连个不同的网卡的设备进行互通。首先保证设备有两个网卡
# 配置网卡信息
## 临时配置网卡
* eth0
```
ifconfig eth0 192.168.10.100/24
```
* eth1
```
ifconfig eth1 192.168.20.100/24
```
## 长期有效
* 通过ubuntu桌面配置
* nmcli配置[参考链接](https://blog.csdn.net/u013012082/article/details/149013734?fromshare=blogdetail&sharetype=blogdetail&sharerId=149013734&sharerefer=PC&sharesource=u013012082&sharefrom=from_link)
* nmtui 配置
备注:
```
# 查看IP
ifconfig
# 查看路由
route
```
# 创建桥接网卡
* 创建桥接点
```
sudo nmcli connection add type bridge ifname br0 stp no
```
* 物理网卡连接桥接
```
sudo nmcli connection add type bridge-slave ifname eth0 master br0
sudo nmcli connection add type bridge-slave ifname eth1 master br0
```
# 启动桥接
```
sudo nmcli connection up bridge-br0
sudo nmcli connection up bridge-slave-eth0
sudo nmcli connection up bridge-slave-eth1
```