Linux : IPv6 addrconf prefix with wrong length 126

By | August 29, 2012

You may experience this error shown on “dmesg” or system logs (/var/log/messages) :

IPv6 addrconf: prefix with wrong length 126

This actually indicate a device on your network trying to broadcast IPv6 information that dosen’t match your network configuration.

To get rid and disable this, simply run the following commands as root :