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I upgraded from Fedora 14 to 16, recently. I had two static IP v4 addresses configured on my ethernet interface by creating two files in /etc/sysconfig/network-scripts:

  ifcfg-eth0      -> first address
  ifcfg-eth0:1    -> second address

After the upgrade, this resulted in an error message during the boot process and in only the second address being successfully configured on the interface. So, what is the correct way to configure multiple addresses on a single interface on Fedora 16? I could not find anything on this subject in the documentation so far.

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Can you post the error you are talking about? –  Khaled Dec 31 '11 at 13:38
    
you can create multiple addr for an interface by creating network alias only –  Mughil Dec 31 '11 at 18:46

2 Answers 2

The command to configure virtual addresses on your interface in fc16 is:

# ip addr add 192.168.1.10/24 dev eth0

Replace the IP address and device name with apropriate values for your system. Be sure to use CIDR notation, or the system will default to /32

To see the result of the command use:

# ip addr list

To remove an address:

# ip addr del 192.168.1.10/24 dev eth0

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Thanks for your answer! Will addresses added with "ip addr add" still be available after reboot? Do you know where the information is persisted? I currently don't have the opportunity to try it out... –  cg. Jun 27 '12 at 8:28

Just for reference: I'm still not sure what actually caused this problem though I suspect the NetworkManager was somehow to blame. I finally used system-config-network-gui to review, update and save the configuration, unchecking the option "Controlled by NetworkManager". This seems to have solved the issue for me. Thanks for your time!

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