Linux: ifdown eth0:0 brings down all other virtual network interfaces

Posted on in Categories , , , , , , last updated December 4, 2008

Q. Why do the other virtual network interfaces go down when I bring down eth0:0 under CentOS Linux?

A. There is well known bug is glibc – the GNU C Library, commonly known as glibc, is the C standard library released by the GNU Project.

To fix this problem upgrade glibc version using up2date or yum command:
# yum update
OR
# up2date -u
Upgrading to the latest version of glibc should fix this issue.

Posted by: Vivek Gite

The author is the creator of nixCraft and a seasoned sysadmin and a trainer for the Linux operating system/Unix shell scripting. He has worked with global clients and in various industries, including IT, education, defense and space research, and the nonprofit sector. Follow him on Twitter, Facebook, Google+.

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