Got this idea from CU wireless

"We will assign numbers to stations from 10.0/16. The last 16 bits are the XOR of the first two octets of the MAC number, the second two octets, and the third octets, where the bytes are taken in 'reading order.' That is, we produce numbers 10.0.A.B from the MAC numbers. If the MAC produces A = 0, B = 0 or A = 255, B = 255, then A and B are assigned randomly. The netmask is /16. (We compute numbers from the MAC to begin with because in the common case, a station will boot with the same A and B every time, which is useful for diagnostic purposes.) The host networks are assigned from 10/8. We assign to each Ethernet interface, a network 10.A.B.0, where A and B are computed as above from the Ethernet MAC number. If A = 0, we re-assign it randomly. The netmask is /24."

Welcome to the CSIR Meraka Institute's "COIN" Blog

## Wednesday, September 22, 2004

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## 1 comment:

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