[Soekris] unreliable DHCP with PXEBoot?

[Ioannis Broustis]

Josh,

I haven't tried DHCP, however BOOTP works perfectly for our Soekris  
net4826. If you are interested, have a look at http:// 
networks.cs.ucr.edu/testbed/sw.htm for setup details.

I.

On 18 Jan 2007, at 09:19, Joshua ChaitinPollak wrote:

> Hello,
>
> My Soekris boards are having trouble getting DHCP addresses when PXE
> Booting from our development computers. We have tried both udhcpd and
> dnsmasq as our DHCP servers, and in both cases we seem to get DHCP
> addresses about 2/3 of the time. On one of our computers, only the
> ISC Dhcp server works correctly, but it is heavier weight and harder
> to configure, so we are trying not to use it.
>
> When I look at the DNSMasq logs while a Soekris is trying to acquire
> an address, I see the following:
>
> DHCPDISCOVER(eth1) 00:00:25:c5:0d:48
> DHCPOFFER(eth1) 172.17.1.136 00:00:25:c5:0d:48
> DHCPDISCOVER(eth1) 00:00:25:c5:0d:48
> DHCPOFFER(eth1) 172.17.1.136 00:00:25:c5:0d:48
> DHCPDISCOVER(eth1) 00:00:25:c5:0d:48
> DHCPOFFER(eth1) 172.17.1.136 00:00:25:c5:0d:48
> DHCPDISCOVER(eth1) 00:00:25:c5:0d:48
> DHCPOFFER(eth1) 172.17.1.136 00:00:25:c5:0d:48
> DHCPDISCOVER(eth1) 00:00:25:c5:0d:48
> DHCPOFFER(eth1) 172.17.1.136 00:00:25:c5:0d:48
>
> And then the Soekris gives up trying to get the IP address. It seems
> the DHCP server is sending an offer of an IP, but the Soekris isn't
> 'hearing' it.
>
> On a successful boot, I see the following:
>
> DHCPDISCOVER(eth1) 00:00:25:c5:0d:48
> DHCPOFFER(eth1) 172.17.1.136 00:00:25:c5:0d:48
> DHCPREQUEST(eth1) 172.17.1.136 00:00:25:c5:0d:48
> DHCPACK(eth1) 172.17.1.136 00:00:25:c5:0d:48
>
> Does anyone know why this would happen?
>
> What do people use as their DHCP servers, and how do they make sure
> they work reliably?
>
> Thanks,
>
> Josh
>
> -- 
> Joshua ChaitinPollak
> Software Engineer
> Kiva Systems
>
>
> _______________________________________________
> Soekris-tech mailing list
> Soekris-tech at lists.soekris.com
> http://lists.soekris.com/mailman/listinfo/soekris-tech