>> ahcp-generate -p fde6:20f5:c9ac:358: -P babel -n fde6:20f5:c9ac:358:1 -g 192.168.1.1 > ahcp.dat > > That should be > > ahcp-generate -p fde6:20f5:c9ac:358:: -P babel -n fde6:20f5:c9ac:358::1 > ahcp.dat My bad -- the typo was in the README. All my apologies. Juliusz