Thank you to all who replied. I have a raspberry pi board that's been waiting for an application -=20 this might be the best approach. It's a bit larger than I hoped for but=20 might still work. On 5/3/2013 5:56 AM, Charles Craft wrote: > http://www.irongeek.com/i.php?page=3Dsecurity/raspberry-pi-recipes#Making= _a_EtherLogger_to_log_Ethernet_packets_with_the_Raspberry_Pi=20 > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .