On Tue, Feb 01, 2005 at 10:03:24PM +0100, Alpt wrote: > 192.168.1.45 = c0a8012d > 192.168.1.45 + 688 = c0a803dd = 192.168.3.221 This remains a very strange request. Routing is designed to work with CIDR blocks. No operating system can do what you want directly, because it's hard to make it fast and it's easier to simply setup your network so you don't have this problem. That said, you don't need to make a route for each destination. For example, the minimum set is: 192.168.1.45/32 192.168.1.46/31 192.168.1.48/28 192.168.1.64/26 192.168.1.128/25 192.168.2.0/24 192.168.3.0/25 192.168.3.128/26 192.168.3.192/28 192.168.3.208/29 192.168.3.216/30 192.168.3.220/31 The more you align the beginning and end with powers of two, the shorter the list becomes. But I'm still confused what possible network setup you could have that would require such a strange setup. -- Martijn van Oosterhout <kleptog@xxxxxxxxx> http://svana.org/kleptog/ > Patent. n. Genius is 5% inspiration and 95% perspiration. A patent is a > tool for doing 5% of the work and then sitting around waiting for someone > else to do the other 95% so you can sue them.
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