Eugen Konkov <kes-kes <at> yandex.ru> writes: > ... > So in my vlan I have two DHCP servers. One is mine and > second is on that router. Some users get wrong IPs from that router. > ... > Or s there any other method to prevent such ilegal DHCP servers on LAN? http://www.tcpipguide.com/free/t_DHCPSecurityIssues.htm jb