Thanks to all, I think I finally understand the vlsm. Well the solution sounds as following: 172.25.156.0/25 containing 126 hosts 172.25.156.128/27 172.25.156.160/27 containing both 30 hosts 172.25.156.192/28 containing 14 hosts I just didn't think about the host bits and only considered the net bits, sorry for not thinking _before_ posting... HAND, Frank. -- Frank Brodbeck System administrator apprentice oakenshield@gmx.net University of Karlsruhe - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
