From 7251ee586675227e712a98a3c70f283912d94f07 Mon Sep 17 00:00:00 2001 From: kennethXia <37970750+kennethXia@users.noreply.github.com> Date: Sun, 1 Apr 2018 16:22:53 +0800 Subject: [PATCH] Update 20180128 How to add network bridge with nmcli (NetworkManager) on Linux.md --- ...ge with nmcli (NetworkManager) on Linux.md | 60 +++++++++---------- 1 file changed, 30 insertions(+), 30 deletions(-) diff --git a/sources/tech/20180128 How to add network bridge with nmcli (NetworkManager) on Linux.md b/sources/tech/20180128 How to add network bridge with nmcli (NetworkManager) on Linux.md index 7fbfec4573..bb8be19602 100644 --- a/sources/tech/20180128 How to add network bridge with nmcli (NetworkManager) on Linux.md +++ b/sources/tech/20180128 How to add network bridge with nmcli (NetworkManager) on Linux.md @@ -1,51 +1,51 @@ Translating by kennethXia -How to add network bridge with nmcli (NetworkManager) on Linux +如何在Linux里使用nmcli （NetworkManager） 添加网桥 ====== -I am using Debian Linux 9 "stretch" on the desktop. I would like to create network bridge with NetworkManager. But, I am unable to find the option to add br0. How can I create or add network bridge with nmcli for NetworkManager on Linux? +我正在电脑上使用Debian Linux 9 “stretch”。 我想用NetworkManager 来建网桥。但是根本就没有添加br0的选项。我该如何在Linux里使用nmcli 来为 NetworkManager 创建或者添加网桥呢？ -A bridge is nothing but a device which joins two local networks into one network. It works at the data link layer, i.e., layer 2 of the OSI model. Network bridge often used with virtualization and other software. Disabling NetworkManager for a simple bridge especially on Linux Laptop/desktop doesn't make any sense. The nmcli tool can create Persistent bridge configuration without editing any files. **This page shows how to create a bridge interface using the Network Manager command line tool called nmcli**. +网桥没什么特别的，只是把两个网络连在一起。它工作在数据链路层，例如OSI模型的第二层。网桥经常被虚拟机和别的一些软件使用。为了使用网桥而关闭桌面Linux上的NetworkManager 显然是不明智的。nmcli可以创建一个永久的网桥而不编辑任何文件。**本文将展示如何使用NetworkManager 的命令行工具nmcli来创建网桥。** -### How to create/add network bridge with nmcli +### 如何使用nmcli来创建/添加网桥 -The procedure to add a bridge interface on Linux is as follows when you want to use Network Manager: +使用NetworkManager 在Linux上添加网桥接口的步骤如下： -1. Open the Terminal app -2. Get info about the current connection: +1. 打开terminal +2. 获取当前连接状态： ``` nmcli con show ``` -3. Add a new bridge: +3. 添加新的网桥: ``` nmcli con add type bridge ifname br0 ``` -4. Create a slave interface: +4. 创建子网卡: ``` nmcli con add type bridge-slave ifname eno1 master br0 ``` -5. Turn on br0: +5. br0上线: ``` nmcli con up br0 ``` -Let us see how to create a bridge, named br0 in details. +让我们从细节层面看看如何创建一个叫br0的网桥。 -### Get current network config +### 获取当前网络配置 -You can view connection from the Network Manager GUI in settings: +你可以通过NetworkManager的图像界面来了解本机的网络连接: [![Getting Network Info on Linux][1]][1] -Another option is to type the following command: +也可以使用如下命令行来查看: ``` $ nmcli con show $ nmcli connection show --active ``` [![View the connections with nmcli][2]][2] -I have a "Wired connection 1" which uses the eno1 Ethernet interface. My system has a VPN interface too. I am going to setup a bridge interface named br0 and add, (or enslave) an interface to eno1. +我有一个使用eno1网卡的“有线连接”。我的系统还有一个VPN接口。我将要创建一个名为br0的网桥，并连接一个网卡到eno1. -### How to create a bridge, named br0 +### 如何创建一个名为br0的网桥 ``` $ sudo nmcli con add ifname br0 type bridge con-name br0 @@ -53,13 +53,13 @@ $ sudo nmcli con add type bridge-slave ifname eno1 master br0 $ nmcli connection show ``` [![Create bridge interface using nmcli on Linux][3]][3] -You can disable STP too: +你也可以禁用STP: ``` $ sudo nmcli con modify br0 bridge.stp no $ nmcli con show $ nmcli -f bridge con show br0 ``` -The last command shows the bridge settings including disabled STP: +最后一条命令展示了禁用STP后的网桥参数: ``` bridge.mac-address: -- bridge.stp: no @@ -72,26 +72,26 @@ bridge.multicast-snooping: yes ``` -### How to turn on bridge interface +### 如何打开网桥 -You must turn off "Wired connection 1" and turn on br0: +你必须先关闭"Wired connection 1" ，然后打开br0: ``` $ sudo nmcli con down "Wired connection 1" $ sudo nmcli con up br0 $ nmcli con show ``` -Use [ip command][4] to view the IP settings: +使用 [ip command][4] 来查看IP地址: ``` $ ip a s $ ip a s br0 ``` [![Build a network bridge with nmcli on Linux][5]][5] -### Optional: How to use br0 with KVM +### 附录: 如何在KVM上使用br0 -Now you can connect VMs (virtual machine) created with KVM/VirtualBox/VMware workstation to a network directly without using NAT. Create a file named br0.xml for KVM using vi command or [cat command][6]: +现在你可以使用KVM/VirtualBox/VMware workstation创建的VM（虚拟机）来直接连接网络而非通过NAT。使用vi或者cat命令[cat command][6]为虚拟机创建一个名为br0.xml的文件: `$ cat /tmp/br0.xml` -Append the following code: +添加以下代码: ``` br0 @@ -100,14 +100,14 @@ Append the following code: ``` -Run virsh command as follows: +如下所示运行virsh命令: ``` # virsh net-define /tmp/br0.xml # virsh net-start br0 # virsh net-autostart br0 # virsh net-list --all ``` -Sample outputs: +输出样例: ``` Name State Autostart Persistent ---------------------------------------------------------- @@ -116,22 +116,22 @@ Sample outputs: ``` -For more info read the following man page: +阅读man页面获取更多信息: ``` $ man ip $ man nmcli ``` -### about the author +### 关于作者 -The author is the creator of nixCraft and a seasoned sysadmin and a trainer for the Linux operating system/Unix shell scripting. He has worked with global clients and in various industries, including IT, education, defense and space research, and the nonprofit sector. Follow him on [Twitter][7], [Facebook][8], [Google+][9]. +作者是nixCraft的创建者，老练的系统管理员和一个Linux/Unix shell脚本编程培训师。他为全球客户和各种公司工作，包括IT，教育，国防，空间研究以及非营利组织。 他的联系方式[Twitter][7], [Facebook][8], [Google+][9]. -------------------------------------------------------------------------------- via: https://www.cyberciti.biz/faq/how-to-add-network-bridge-with-nmcli-networkmanager-on-linux/ 作者：[Vivek Gite][a] -译者：[译者ID](https://github.com/译者ID) +译者：[kennethXia](https://github.com/kennethXia) 校对：[校对者ID](https://github.com/校对者ID) 本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出