Messages in this thread |  | | Date | Fri, 21 Jun 2002 19:25:08 +0200 | From | Robert Schwebel <> | Subject | ipconfig problems |
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Hi,
[I asked this recently on the linux-net list, but nobody answered. Perhaps I have more luck here.]
is somebody on this list maintaining the ipconfig (bootp/dhcp) stuff? In Documentation/nfsroot.txt should be a hint that for the "autoconf" parameter of "ip=" there is also the possibility to use "dhcp". The documentation differs from the sourcecode in net/ipv4/ipconfig.c here.
Reading the docs I thought that if you want to use DHCP you also have to set "ip=bootp", but this goes terribly wrong. I have the impression that there can be inconsistencies between the compile time- and runtime configuration. For example, if you only enable dhcp in the kernel configuration and put "ip=bootp" on the command line the ip_auto_config_setup function seems to try to interpret the string as an IP address, which results in ic_myaddr being set to something else than INADDR_NONE. Afterwards in ic_bootp_recv this is recognized and the received (correct) DHCPOFFER is silently droped, which is a pain in the ass to debug ... :-)
Cheers, Robert -- +--------------------------------------------------------+ | Dipl.-Ing. Robert Schwebel | http://www.pengutronix.de | | Pengutronix - Linux Solutions for Science and Industry | | Braunschweiger Str. 79, 31134 Hildesheim, Germany | | Phone: +49-5121-28619-0 | Fax: +49-5121-28619-4 | +--------------------------------------------------------+
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