I freely admit to cargo-culting this, but I use the following in POE::Component::DHCP::Monitor to put the sockets into promiscuous mode.

setsockopt( $dhcp_socket, SOL_SOCKET, SO_BROADCAST, 1 );

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In reply to Re: Socket Listen/Send DHCP by bingos
in thread Socket Listen/Send DHCP by maclaren_sg

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