How to configure network bridge with NetworkManager on Almalinux 9?

Question

How to configure network bridge with Network Manager on Almalinux 9 ?

Answer

1. Create a bridge interface: 

   # nmcli con add ifname br0 type bridge con-name br0 

2. Add the active interface to the bridge: 

   # nmcli con add type bridge-slave ifname eno1 master br0 

3. Modify the bridge interface settings: 

   # nmcli conn modify br0 ipv4.addresses 'IPADDRESS/24' 
   nmcli conn modify br0 ipv4.gateway 'GATEWAY' 
   nmcli conn modify br0 ipv4.dns '8.8.8.8,8.8.4.4' 
   nmcli conn modify br0 ipv4.method 

4. Manually replace IPADDRESS and GATEWAY accordingly. 

5. Run the command: 

   # nmcli conn down eno1; nmcli conn up br0