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Old 03-11-2005, 08:20 PM   #1
kubugam
LQ Newbie
 
Registered: Jun 2004
Posts: 5

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Thin Client PXE Boot


At the moment I'm having difficulty getting a thin-client to boot using PXE. Here's the setup:

Server: I have a server running Redhat 9 at 192.168.1.1. It has a D-link DGE-530T card in it.

Client: The thin client is an ancient Pentium-133 with 16 MB RAM and a 3com 3C905CX-TX-M card.

Both the client and server are plugged into a Linksys EG005W gigabit switch.

When I try to boot the client, it fails with a PXE-E51 error: No DHCP or BOOTP offers received. For some reason the client is not "hearing" the DHCP offers broadcast by the server. The following session illustrates the setup for my DHCP server. /var/log/messages shows that the server hears a DHCP request and broadcasts an offer, but the client is not picking it up. I don't think the cabling can be bad since the server hears the request. The communication is working one-way. Why can't the client hear the server? Any help would be greatly appreciated.



[root@kubugam:~]# uname -a
Linux kubugam 2.4.20-8 #1 Thu Mar 13 16:42:56 EST 2003 i586 i586 i386 GNU/Linux

[root@kubugam:~]# tail /var/log/messages
Mar 11 20:35:21 kubugam dhcpd: DHCPDISCOVER from 00:04:75:ad:4d:7c via eth0
Mar 11 20:35:21 kubugam dhcpd: DHCPOFFER on 192.168.1.3 to 00:04:75:ad:4d:7c via eth0
Mar 11 20:35:23 kubugam dhcpd: DHCPDISCOVER from 00:04:75:ad:4d:7c via eth0
Mar 11 20:35:23 kubugam dhcpd: DHCPOFFER on 192.168.1.3 to 00:04:75:ad:4d:7c via eth0
Mar 11 20:35:27 kubugam dhcpd: DHCPDISCOVER from 00:04:75:ad:4d:7c via eth0
Mar 11 20:35:27 kubugam dhcpd: DHCPOFFER on 192.168.1.3 to 00:04:75:ad:4d:7c via eth0
Mar 11 20:35:35 kubugam dhcpd: DHCPDISCOVER from 00:04:75:ad:4d:7c via eth0
Mar 11 20:35:35 kubugam dhcpd: DHCPOFFER on 192.168.1.3 to 00:04:75:ad:4d:7c via eth0
Mar 11 20:47:35 kubugam sshd(pam_unix)[30450]: session opened for user cwh by (uid=500)
Mar 11 20:47:43 kubugam su(pam_unix)[30486]: session opened for user root by cwh(uid=500)

[root@kubugam:~]# cat /etc/dhcpd.conf
ddns-update-style ad-hoc;

subnet 192.168.1.0 netmask 255.255.255.0 {

}

host pxeclient {
hardware ethernet 00:04:75:ad:4d:7c;
fixed-address 192.168.1.3;
option subnet-mask 255.255.255.0;
option broadcast-address 192.168.1.255;
option routers 192.168.1.254;
filename "pxelinux.0";
}

[root@kubugam:~]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:0F:3D:F0:B8:BC
inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.0.0.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Interrupt:10

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:7362 errors:0 dropped:0 overruns:0 frame:0
TX packets:7362 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:646220 (631.0 Kb) TX bytes:646220 (631.0 Kb)

[root@kubugam:~]# netstat -anp | egrep -w 67
udp 0 0 0.0.0.0:67 0.0.0.0:* 16445/dhcpd
 
Old 03-13-2005, 01:37 AM   #2
mohammedt
LQ Newbie
 
Registered: Mar 2005
Posts: 1

Rep: Reputation: 0
Hi,

try this link, perhaps u will get the clue.

http://www.quepublishing.com/article...&seqNum=1&rl=1


thanks
 
Old 03-14-2005, 01:38 PM   #3
kubugam
LQ Newbie
 
Registered: Jun 2004
Posts: 5

Original Poster
Rep: Reputation: 0
What in the world?

Thanks, but no thanks. I fail to see the connection between my problem and installing Fedora Core 3.
 
Old 03-20-2005, 08:43 PM   #4
dragoncity99
Member
 
Registered: Dec 2004
Location: Malaysia
Distribution: Redhat/Fedora Core, Slackware, Ubuntu, Knoppix, Gentoo, SUSE, Ubuntu
Posts: 40

Rep: Reputation: 15
Hi there, try to use my dhcpd.conf and see if it works. Change the hosts and server ip to suite u.:
NOTE: Pls make sure that, the /tftpboot is your "/" directory. So all ur files such as "pxelinux.0", kernel image, ramdisk and "pxelinux.cfg" folder should be there.
Quote:
# dhcpd.conf
#
# Configuration file for ISC dhcpd (see 'man dhcpd.conf')
#

default-lease-time 600;
max-lease-time 7200;
ddns-update-style none;

option subnet-mask 255.255.255.0;
option broadcast-address 192.168.0.255;
option domain-name "richardaik.com";
option domain-name-servers 192.168.0.254;
option routers 192.168.0.254;

subnet 192.168.0.0 netmask 255.255.255.0 {
}

group {
# use-host-decl-names on;
# option log-servers 192.168.0.254;

host ws002 {
hardware ethernet 00:50:8D:72:93:73;
fixed-address 192.168.0.2;
filename "/pxelinux.0";
}

host ws003 {
hardware ethernet 00:118:4D8D;
fixed-address 192.168.0.3;
filename "/pxelinux.0";
}
}

Last edited by dragoncity99; 03-20-2005 at 08:47 PM.
 
  


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