Changing virtual network settings

You can change the virtual network settings that are specified in a system template and overwrite the template or save the changes in a new template by using the Hardware Management Console (HMC). You can change the virtual switches or the properties of the network bridge. You can also add or remove virtual networks.

1. In the navigation pane, click System resources.
2. Click Templates and OS Images.
3. Click the System tab and select the system template that you want to change.
4. Click Action > Edit.
   The Template Detail page is displayed.
5. Click the Virtual Networks tab.
6. In the Virtual Networks area, right-click the virtual network that you want to change.
   You can change virtual network name, and the Load Balance Group. You can also delete the virtual network.
7. In the Virtual Switches area, right-click the virtual network that you want to change.
   You can change virtual switch name and specify whether the switching mode is Virtual Ethernet Bridging (VEB) or Virtual Ethernet Port Aggregator (VEPA).
8. In the Virtual Bridges area, right-click the network bridge that you want to change.
   You can change the network bridge name, specify whether failover and load balancing is enabled, and specify the VIOS that are associated with the network bridge.
9. In the Advanced Settings area, you can specify the Quality of Service (QoS) Priority, and enable Jumbo Frame and Large Send.
10. Click OK.
11. To add a virtual network, complete the following steps:
    1. Click Add Virtual Network.
    2. Click the Network Name tab.
    3. In the Virtual Network Settings area, enter a value for the virtual network in the Virtual Network Name field.
    4. Select a value for the Virtual Network Type.
       If you selected Internal Network for the Virtual Network Type field, enter a value in the Virtual Network ID field. Optionally, if you selected Bridged Network, you must select a value for the IEEE 802.1q Tagging.
    5. Select the Add new virtual network to all Virtual I/O Servers check box to assign the virtual network to all the Virtual I/O Servers that are specified in the template.
    6. In the Virtual Switch Settings area, click Use an existing virtual switch to use existing virtual switches, or click Create a new virtual switch.
       If you clicked Create a new virtual switch, enter a value for the name of the virtual switch in the Virtual Switch Name field.
    7. Click Next.
    8. If the template had any existing virtual network bridges, you can click Select existing Virtual Network Bridge. Optionally, you can also click Create a New Virtual Network Bridge.
    9. In the Virtual Network Bridge Settings area, enter a value for the Virtual Network Bridge PVID (PowerVM) field.
    10. Select a value for the Failover field. If you choose to use failover for VIOS, you must also select a value for the Secondary VIOS and the Load Sharing fields.
    11. Select a value for the Primary VIOS field.
    12. In the Optional Settings area, select values for the Jumbo Frame, Large Send, and QoS fields.
    13. Click Next to view and edit values in the Load Sharing tab only if you are using an existing virtual network bridge.
        Clicking Next will allow you Otherwise, clicking Next will display the Summary tab.
    14. In the Load Sharing tab, click Use an existing Load Sharing Group to use an existing load sharing group, or click Create a new Load Sharing Group.
    15. If you select Create a new Load Sharing Group, enter a value for the New Load Group PVID field.
    16. Click Next.
    17. In the summary tab, a summary of the configuration that was selected for the virtual network is displayed. You can review the configuration details and click Finish to add the virtual network to the VIOS specified in the template.
12. Click Save and Exit to overwrite the changes that are made in the template, or click Save As to save the changes in a new template.