[K12OSN] dhcpd and tftp

Rob Owens hick518 at yahoo.com
Fri Feb 18 19:31:25 UTC 2005

I think the crossover cable will be coming out this
weekend, too...

Thanks for the ideas.

The network cables actually run through both a hub and
a router-acting-as-a-switch.  I've been wondering if
that was a source of my trouble but it was only
superstition because I had no real ideas as to why it
might cause a problem.


--- Les Mikesell <les at futuresource.com> wrote:

> On Fri, 2005-02-18 at 09:21, Rob Owens wrote:
> > I'll try swapping the NIC tonight.  My only other
> > option for a dhcp server is my Linksys router.
> One quirky thing can happen if your switch is slow
> to activate
> a port due to the time it takes to go though
> spanning-tree
> negotiations.  If timing is just right (wrong?) the
> client
> may do its dhcp request while the switch port is
> down, then
> time out and reset its own NIC before the retry,
> triggering
> the switch to run spanning tree again.  You can
> usually tell
> if this is happening by watching the switch port
> lights - or
> plug the client directly into the server nic with a
> crossover
> cable to test. If you have a managed switch you may
> be able
> to set the port to forward during negotiations.
> -- 
>   Les Mikesell
>    les at futuresource.com
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