Unable to get DHCP server to restart after restart - Ubuntu 12.04

[PageTown]

I am using a standard Cat5e cable. I used the same cable to upload and deploy images before the restart so I don’t think it’s the issue.

Here’s what’s in my etc/dhcp/dhcpd.conf file:

DHCP Server Configuration file.

see /usr/share/doc/dhcp*/dhcpd.conf.sample

This file was created by FOG

use-host-decl-names on;
ddns-update-style interim;
ignore client-updates;
next-server 10.1.0.185;

subnet 10.1.0.0 netmask 255.255.254.0 {
option subnet-mask 255.255.254.0;
range dynamic-bootp 10.1.0.10 10.1.0.254;
default-lease-time 21600;
max-lease-time 43200;
option domain-name-servers 127.0.0.1;
option routers 10.1.0.185;
filename “undionly.kpxe”;
}

[Wayne Workman]

[quote=“PageTown, post: 46443, member: 29454”]I am using a standard Cat5e cable. I used the same cable to upload and deploy images before the restart so I don’t think it’s the issue.
[/quote]

What is the standard Cat5e cable connected to? one end goes to the target-machine… the other end goes to what? What device?

[PageTown]

I am running Fog on an Asus K50I laptop. One end of my cable is plugged into its ethernet port. The other, the target computer.

[Wayne Workman]

Then you need a cross over cable, sir. [url]http://en.wikipedia.org/wiki/Ethernet_crossover_cable[/url]

[PageTown]

I didn’t need one before. Everything worked fine until I powered the server off. What’s changed?

[Wayne Workman]

[quote=“PageTown, post: 46457, member: 29454”]I didn’t need one before. Everything worked fine until I powered the server off. What’s changed?[/quote]

The [U]only[/U] way that setup would have worked before is if you were using a crossover cable.

So, assuming this is a cross over cable, and after the reboot, then some service must not have started up, or some other service that you don’t want DID start up… like firewall.

[PageTown]

I disabled the firewall per Joseph Hale’s suggestion. I’ll go ahead and try a crossover cable.

[PageTown]

Using a crossover cable didn’t make any difference. I’m still getting the “No DHCP or ProxyDHCP offers were received” on the PXE boot screen.

Any other ideas?

[Tom Elliott]

My guess is tftp isn’t running. Try [code]sudo service tftpd-hpa restart[/code]

[PageTown]

[quote=“Tom Elliott, post: 46461, member: 7271”]My guess is tftp isn’t running. Try [code]sudo service tftpd-hpa restart[/code][/quote]

Hi Tom. Unfortunately, this didn’t solve my issue. I have attached the logs you have mentioned in your sig if you’d like to take a look at them.

I am running [FONT=Tahoma]Fog 1.2.0 on Ubuntu 12.04. [/FONT]

[url=“/_imported_xf_attachments/1/1935_PageTown Fog logs.zip?:”]PageTown Fog logs.zip[/url]

[Wayne Workman]

I remember reading something about how DHCP needs to see that the port it should be operating on is indeed connected/active… Maybe I’m wrong… maybe that applies to dnsmasq I don’t remember.

Do you have an old switch? or hub or mini switch to test with?

[Wayne Workman]

What is the exact output when you try to restart DHCP?
[CODE]sudo service isc-dhcp-server restart[/CODE]

And, let us know the output of this (after running the above line):
[CODE]sudo service isc-dhcp-server status[/CODE]

And, I’d [B]still[/B] recommend using a mini switch and some regular straight-through patch cables to test this with…

[PageTown]

I tried the switch idea with a few different configurations, some using a crossover cable, some not. It didn’t change anything.

However, running the [I]sudo service isc-dhcp-server restart[/I] command followed by the [I]sudo service tftpd-hpa restart[/I] [B]got me going again![/B] I ran both of those commands previously and they didn’t get me running, not sure how or why they worked this time. I am afraid to shut down and restart to test them out now that I have Fog up and running again. I’m just going to avoid powering the machine off for as long as I can!

Thanks for all the help everyone!

[Wayne Workman]

Well,

I’d strongly recommend figuring out why. Eventually the machine will go down, whether you want it to or not. A storm could knock power out for hours, some jack— could hit a power pole with a garbage truck or something… and I’m willing to bet that none of us have more than some server-grade backup batteries that can hold out for hours…

It’s better to fix it now on YOUR time, rather than fix it later on CHANCE’s time.