Re: ip=dhcp problem...

[Charles-Henri Collin]

Jan Engelhardt a écrit :

> > I've got the following problem with linux 2.6.8.1:
> > I'm nfs-rooting a diskless client with kernel parameter ip=dhcp.
> > My dhcpd.conf  has a "option domain-name-servers X.X.X.X;" statement and
> > "get-lease-hostnames true;"
> > Now when the diskless clients boot, no name-server configured and they cant
> > resolv.
> > dmesg gives me, for instance:
> >    
>
> What happens if you put
> 	option domain-name-servers 192.168.222.1;
> in your dhcpd.conf, i.e. an IP number rather than a host?
>
>
>
>
> Jan Engelhardt
>  
i do put IP in this field (192.168.0.254) in fact, but this doesnt work.
i'm looking for a reason why it desnt work.. i've just setup:
#define  IPCONFIG_DEBUG
in linux/net/ipv4/ipconfig.c, and this is what i get at boottime:

DHCP:   Get message type 2
DHCP:   Offered address 192.168.0.237 by server 192.168.0.254
DHCP/BOOTP:    Got extension   53: 02
DHCP/BOOTP:    Got extension   54: c0 a8 00 fe
DHCP/BOOTP:    Got extension   51: 00 01 19 40
DHCP/BOOTP:    Got extension   1: ff ff ff 00
DHCP/BOOTP:    Got extension   3: c0 a8 00 fe
DHCP/BOOTP:    Got extension   12: 63 6c 69 65 6e 74 46 53 42 2d 32 33 
37 2e 66 73 62 2e 6e 65 74 00
DHCP/BOOTP:    Got extension   15: 66 73 62 2e 6e 65 74
DHCP/BOOTP:    Got extension   40: 46 53 42 6e 69 73
,DHCP:   sending message type 3
DHCP: Got message type 5
DHCP/BOOTP:    Got extension   53: 05
DHCP/BOOTP:    Got extension   54: c0 a8 00 fe
DHCP/BOOTP:    Got extension   51: 00 01 19 40
DHCP/BOOTP:    Got extension   1: ff ff ff 00
DHCP/BOOTP:    Got extension   3: c0 a8 00 fe
DHCP/BOOTP:    Got extension   12: 63 6c 69 65 6e 74 46 53 42 2d 32 33 
37 2e 66 73 62 2e 6e 65 74 00
DHCP/BOOTP:    Got extension   15: 66 73 62 2e 6e 65 74
DHCP/BOOTP:    Got extension   40: 46 53 42 6e 69 73

Extension 6 is the nameserver (see config.c for more details) and it is 
set as you can see. that is strange....
i'm looking for more hints. hope this will help.
regards,

C COLLIN


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