[En-Nut-Discussion] DHCP and four Ethernuts, IP conflict

Harald Kipp harald.kipp at egnite.de
Tue Apr 29 16:16:31 CEST 2003

This bug had been reported recently. The problem is, that Ethernut
doesn't use a random XID. With the broadcast method, two Ethernuts
may accept the same response.

One idea was to use the MAC address for creating a random value.


At 10:17 29.04.2003 +0200, you wrote:
>I have tried to set up a network with four ethernuts connected to PC via an
>ethernet switch.
>Now I have some problems with my dhcp sever  running on the PC (I am using
>version 2.54.) The first and the third unit that connect get the same
>IP-number. If I start
>with for the first one, the second gets, the third
>and the fourth unit gets The first and third units always get
>the same IP address.
>Does anyone have a suggestion of how to solve this problem?
>Tom Nyström
>En-Nut-Discussion mailing list
>En-Nut-Discussion at egnite.de

More information about the En-Nut-Discussion mailing list