Syslog fails to log messages when a duplicate IP address appears on the network

Solution Verified - Updated -

Issue

  • Syslog fails to log messages when a duplicate IP address appears on the network
  • Why no printk for duplicate IPs?
  • In Solaris the following warning messages are logged whenever the network detects another MAC address using the assigned IP address.
ip: [ID xyz kern.warning] WARNING:IP: Hardware address 'xx:xx:xx:xx:xx' trying to be our address 010.071.000.002!

Why Red Hat Enterprise Linux  systems  doesn't detect when someone steals its IP ?

Environment

  • Red Hat Enterprise Linux 3
  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

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