THanks very much for this report! I can always rely on you to find bugs. :) I've fixed it, I hope; try ipsumdump 1.17, from the same place (www.aciri.org/kohler/ipsumdump). Also, btw, in any Click program, you can combine short options that don't take arguments. So instead of ipsumdump -l -L -s -d -S -D -p -i eth1 you can say ipsumdump -lLsdSDp -i eth1 l,d