How do I configure my CentOS 8 and add network bridge (br0) with the nmcli command? How can I create a Linux network bridge on CentOS Linux 8 server for KVM (Kernel-based Virtual Machine)?

A network bridge is nothing but a device that joins two local networks into one network. It works at the data link layer (layer 2 of the OSI model). Network bridges often used with virtualization software. For example, popular software such as KVM, LXD, or Docker users can configure bridges instead of NAT-based networking. The nmcli command-line tool can create a 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 on CentOS 8 Enterprise Linux** .

Tutorial requirementsOperating system/appCentOS Linux 8 serverRoot privileges requiredYesDifficultyEasy (rss)Estimated completion time5mTable of contents

• » Adding network bridge
• » Prerequisite
• » Creating a Linux network bridge
• » Disable or enable STP
• » Set up static or DHCP based IP address
• » Enable br0 network bridge interface
• » Verification network bridge
• » Conclusion

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