> 1) You have a router that is answering the DHCP query or
>   
The server goes to a switch and the clients are connecting through the 
switch to the server with a private network.
The server answers the dhcp query. ltsp4.2 works with this setup.


> 2) tftp is not running. You need to setup that with Admin->services
>   
but the clients get the kernel and the kernel boots.


> 3) Your DHCP is not configured correctly:
>   
Maybe here is the problem. Let us see:

>
> subnet 192.168.5.0 netmask 255.255.255.0 {
>     range   192.168.5.121   192.168.5.125;
>     if substring (option vendor-class-identifier, 0, 9) = "PXEClient" {
>         filename "/ltsp/i386/pxelinux.0";
>     }
>     else{
>         filename "/ltsp/vmlinuz-2.6.20.9-ltsp-1";
>     }
>
>   
The previous part is identical (I believe to mine. Please see below.)
But the last filename is different. I have
 

else{
        filename "/ltsp/i386/nbi.img";
    }

I got this from the ubuntu documentation. And indeed this file exists. 
Your setup suggests a file that does not exist in the rpms

------------------------------------------------------------------
[EMAIL PROTECTED] etc]# ls /tftpboot/ltsp/
i386
[EMAIL PROTECTED] etc]# ls /tftpboot/ltsp/i386/
abi-2.6.22-14-386                     
lts.conf                              System.map-2.6.22-14-386
config-2.6.22-14-386               nbi.img                              
vmlinuz
initrd.img                                     nbi.img-2.6.22-14-386  
vmlinuz-2.6.22-14-386
initrd.img-2.6.22-14-386         pxelinux.0
initrd.img-2.6.22-14-386.bak  pxelinux.cfg
[EMAIL PROTECTED] etc]#
------------------------------------------------------------------

nbi.img is a link to nbi.img-2.6.22-14-386. Is this wrong?




> ---- my xinetd.d/tftp
>   
I think that mine tftp is practically the same with yours. I copy tftp 
and dhcpd.conf below:

yours,

Antonis.


########################################
# dhcpd.conf

ddns-update-style             ad-hoc;

option subnet-mask            255.255.255.0;
option broadcast-address      10.0.0.255;
option routers                10.0.0.1;
option domain-name-servers 195.251.160.5;
option domain-name            "math.aegean.gr";   # You really should 
fix this
option option-128 code 128 = string;
option option-129 code 129 = text;


get-lease-hostnames           true;

next-server                   10.0.0.1;
option root-path              "10.0.0.1:/opt/ltsp/i386";

subnet 10.0.0.0 netmask 255.255.255.0 {
    range   10.0.0.5   10.0.0.199;
    if substring (option vendor-class-identifier, 0, 9) = "PXEClient" {
        filename "/ltsp/i386/pxelinux.0";
    }
    else{
        filename "/ltsp/i386/nbi.img";
    }
}


########################################
#tftp
service tftp
{
        disable = no
        socket_type             = dgram
        protocol                = udp
        wait                    = yes
        user                    = root
        server                  = /usr/sbin/in.tftpd
        server_args             = -s /tftpboot
        per_source              = 11
        cps                     = 100 3
        flags                   = IPv4
}


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