dhcpd not filtering broadcasts on different VLAN in Red Hat Enterprise Linux

Solution Verified - Updated -

Issue

  • Given two interfaces eth0 and eth1 with eth1 assigned a VLAN and dhcpd configured to only listen on eth0, dhcpd version 4.1.1-38.P1.el6.x86_64 is still seeing and responding to requests over the eth1 VLAN interface when it should not.
  • The dhcpd is not filtering broadcasts on different VLAN in Red Hat Enterprise Linux

Environment

  • Red Hat Enterprise Linux (RHEL) 6
  • dhcp-4.1.1-38.P1.el6.x86_64

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