Description of problem: When editing a network device, system-config-network will use the value given for the "Default gateway address" field and put it in the "Subnet mask" field. Version-Release number of selected component (if applicable): 1.5.93-2.fc10 How reproducible: Consistently Steps to Reproduce: 1. Go to the Devices tab and select a device. 2. Click on the Edit button. 3. Note the value of the "Subnet mask" field; click "OK". 4. Click on the Edit button again. Note the value of the "Subnet mask" field: now it matches the value for the "Default gateway address" field.
*** This bug has been marked as a duplicate of bug 469434 ***