if you're looking to spoof a dhcp session you might want to just hack a dhcp server to behave appropriately. on freebsd you can open a bpf device and see what's coming down the line. this is in fact how the dhcp server work iirc - setting up a dhcp packet filter and handling the events appropriately. when last we saw our hero (Sunday, Jun 30, 2002), twakefield at stcloudstate.edu was madly tapping out: > To troubleshoot a network problem, I want to transmit an Ethernet > packet after receiving a specific packet. Basically I will be > simulating a DHCP transaction. The transmitted packet will > be edited versions of a captured packet. What is the easiest way > to do this? > -- steve ulrich sulrich at botwerks.org PGP: 8D0B 0EE9 E700 A6CF ABA7 AE5F 4FD4 07C9 133B FAFC