Unknown clients may incorrectly receive offers of IP addresses in Red Hat Enterprise Linux 5

Solution Verified - Updated -

Issue

  • There are two dhcpd servers with DHCP failover function. The deny unknown-clients directive is included in /etc/dhcpd.conf. However, unregistered clients' are given IP addresses and that information is written to the dhcpd.leases file.

Environment

  • Red Hat Enterprise Linux 5.4
  • dhcp-3.0.5-23.el5_5.2-i386

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