Networking

The following steps explain how to enable network access from RHEL 8 nodes on IAS.

Follow the steps after this to enable network access for RHEL 8 nodes on IAS:
  1. Run the following command and select menu 3 for gateway and static route configuration:
    apnetSetup
  2. Select 1 to view the current configuration. If you have multiple interfaces that are configured, make a note of which one to use the default route (eth0).
  3. Select item 4 to configure the default gateway and use 0.0.0.0 to delete it (IPv4 only, leave IPv6 blank).
  4. To add a static route, select item 5 and enter 0.0.0.0, prefix length "0", and give the GW IP and interface name.
  5. Go to the main menu, then select 7 to save and exit. Don't apply the configuration.
  6. Run the following command to update network configuration on all the nodes:
    /opt/ibm/appliance/platform/comms/tools/apnetApplySetup.py -t node
  7. Ping-different external entities (including the default route IP) to verify that access is working.
Note: This configuration does not need to be saved or applied again.