Edit a connection (Docker virtual bridge)

The default IP address space of the Docker virtual bridge is 172.17.0.1/16. To configure a different address space, perform this procedure.
  1. Gain access to the Control Center host, through the console interface of your hypervisor, or through a remote shell utility such as PuTTY.
  2. Log in as the root user.
  3. Select the NetworkManager TUI menu as follows:
    1. In the Appliance Administration menu, select Configure Network and DNS, and then press Enter.
  4. On the NetworkManager TUI menu, select Edit a connection, and then press Enter.
    The TUI displays the connections that are available on this host.
    Figure 140. Example: Available connections
  5. Use the down-arrow key to select docker0, and then press Enter.
    Figure 141. Example: Edit Connection screen

    Use the Tab key and the arrow keys to navigate among options in the Edit Connection screen, and use Enter to toggle an option or to display a menu of options.

  6. If the BRIDGE area is visible, select its display option (<Hide>), and then press Enter.
  7. If the IPv4 CONFIGURATION area is not visible, select its display option (<Show>), and then press Enter.
  8. In the IPv4 CONFIGURATION area, navigate to Adresses, and then enter a new IPv4 address in CIDR notation.
    Figure 142. Example: IPv4 Configuration options
  9. Use Tab or the Down Arrow key to select the <OK> option at the bottom of the Edit Connection screen, and then press Enter.
  10. In the available connections screen, use Tab to select the <Quit> option, and then press Enter.
  11. Reboot the operating system as follows:
    1. In the Appliance Administration menu, select Reboot / Poweroff System.
    2. Press Tab to select OK, and then press Enter.