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RE: [K12OSN] dhcpd failed



I don't have access to the other DHCP server.
Two out of the three systems boot fine with out fail every time.
The only difference between the 3 systems is the client hardware.

-----Original Message-----
From: k12osn-bounces redhat com [mailto:k12osn-bounces redhat com] On Behalf Of John Lucas
Sent: Wednesday, May 28, 2008 11:14 AM
To: Support list for open source software in schools.
Subject: Re: [K12OSN] dhcpd failed

Marc Fromm wrote:
> There is another dhcp server on the network for windows machines to get
> an IP that is why I am running the ltsp by assigning MAC addresses to
> IPs.
> 

What may be happening is that *both* DHCP servers are attempting to 
respond to the request from this machine, but only one of them (the LTSP 
-based DHCP server) has all the needed boot information. You have 
restricted on DHCP server, but how have you restricted the other?

> The client is connecting to my ltsp server since I see the mac address
> in the message log using tail -f.
> 
> I just tried a third system and it works just fine like the first.
> 
> I am assuming it is the NIC in th system that fails, even though the NIC
> worked fine when the box was a windows system.
> 
> -----Original Message-----
> From: k12osn-bounces redhat com [mailto:k12osn-bounces redhat com] On
> Behalf Of Rob Owens
> Sent: Wednesday, May 28, 2008 10:09 AM
> To: Support list for open source software in schools.
> Subject: Re: [K12OSN] dhcpd failed
> 
> Are you sure there's not another DHCP server on the network?  And are 
> you sure you want to be assigning public IP addresses to these machines?
> 
> -Rob
> 
> Marc Fromm wrote:
>> I am experiencing limited success with K12LTSP.
>> I installed K12LTSP Cent OS 5 EL from the ISO download.
>> In the dhcpd-k12ltsp.conf file I commented the range line and I am
>> setting up systems by Mac address and fixed IP address.
>>
>> This system boots with no problems
>> host finaid70 {
>>   hardware ethernet 00:B0:D0:C3:0C:A6;
>>   fixed-address 140.160.216.111;
>>   filename "/lts/pxe/pxelinux.0";
>> }
>>
>> This system begins booting.
>> Tail -f /var/log/messages states a "dhcpoffer" to the mac address
>> 00:50:70:76:25:EA.
>> The client eventually displays ERROR! dhcpd failed!
>> host finaid71 {
>>   hardware ethernet 00:50:70:76:25:EA;
>>   fixed-address 140.160.216.228;
>>   filename "/lts/pxe/pxelinux.0";
>> }
>>
>> The failed systems NIC as reported on during the client boot is a
> Rhine
>> II fast Ethernet. But since it is communicating with the ltsp server,
> I
>> assume the NIC is fine.
>>
>> How can dhcpd fail on one system and work on the other?
>>
>> Marc
>>
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>> For more info see <http://www.k12os.org>
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-- 
         "History doesn't repeat itself; at best it rhymes."
                         - Mark Twain

| John Lucas                MrJohnLucas gmail com               |
| St. Thomas, VI 00802      http://mrjohnlucas.googlepages.com/ |
| 18.3°N, 65°W              AST (UTC-4)                         |

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