control udp, icmp packets

Hi all I am running zebra in freebsd. but can I have feature like cisco iso? I got the document from cymru about icmp and udp as follows: I tried the dummynet but it is not working properly! If you have this experience about dummynet working fine in router, please share to me. Thank you !

control udp, icmp packets

Hi all I am running zebra in freebsd. but can I have feature like cisco iso? I got the document from cymru about icmp and udp as follows: I tried the dummynet but it is not working properly! If you have this experience about dummynet working fine in router, please share to me. Thank you !