If you cannot use the Operations Console to change the appliance network settings, you might have to change the IPv4 subnet mask on the appliance.
The following procedure uses the eth0 interface as an example. You can update the eth1 interface by replacing eth0 with eth1.
Before you begin
This procedure assumes that you know how to use the vi editor.
Log on to the appliance with the user name rsaadmin and the operating system password.
Update the ifcg-eth0 file with the correct subnet mask:
Use vi to open the ifcg-eth0 file at /etc/sysconfig/network/ifcg-eth0.
Change the line NETMASK=subnet mask to the correct subnet mask.
Save and close the ifcg-eth0 file.
Restart the network services. Type:
sudo /sbin/service network restart
and press ENTER.
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