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Re: DHCPd hanging machine

On Tue, 26 Jun 2001, Hank Wethington wrote:

> Hey guys,
> Having an issue lately. I wanted my gateway machine to provide DHCP info to
> my internal machines. I have successfully run this before on a FreeBSD box,
> so I was excited to get it all set up. I added the RPM to the machine (A RH
> 6.2 box) and it set up the conf file. It all seemed to work great. I brought
> up a winblows machine and it got the right info. Again, I was excited. I
> finished for the day and went inside. Later that night, I went to play a
> game (hey can't work all the time) and I couldn't get out over the internet.
> Tried to SSH to the Linux machine to see what was going on, and no
> connection. Hooked up a Monitor to the RH box, and hit the keyboard a few
> times. Nothing. So I reboot. Everything was fine. The log file showed no
> issues. It happened again about once every 24 hours. I finally disabled
> DHCPd and now the machines runs fine. I'm very confused and mad that I have
> to use my lame Winblows server to offer DHCP to my users.
> Any ideas? Is there a problem with DHCPd on RH 6.2? If you need further
> information let me know. I can provide the conf file and any needed info,
> the logs are long gone as I haven't messed with it in about a month.
> Thanks guys and gals,
> Hank Wethington
I know dhcpd works on 6.2, so I have to ask a couple of dumb questions.
Are you using dhcp on the interface to the internet?
If yes, did you modify /etc/rc.d/init.d/dhcpd and add the interface for
your internel network to the command line?

I am taking a wild guess here, but what I think may have happened is
that your pump and dhcpd started talking to each other, and pump locked
up the system.  But from the information I have, it is only a guess.

I have had dhcpd running for a couple of years here, first on 5.2, then
on 6.2 without problems, but I do not have it running on the firewall,
so I do not have the multipul interface problem.  I have had dhcpd set
up on a machine with 2 NICs, and specifying the interface on the command
line worked well for limmiting the responce to part of the network.


    Do not meddle in the affairs of dragons,
 for you are crunchy and taste good with ketchup.

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