Frank you say it definately works, I wish it would have worked for me on Friday :) But you are correct in saying it is for more than DHCP and BOOTP by default there are 8 ports that are forwarded. I guess the only thing I can do is put a sniffer in and see what is going on, but of course when you got 800 some people yelling and screaming they do not care about what is causing it they just want it fixed especially if one of those individuals happen to be the CEO :). With my luck the DHCP server will never crash again just because I got the sniffer in place now. In the lab I did see on sniffer traces that a unicast was sent to each dhcp server, so what was going on Friday is still sort of a mystery to me.Thanks for all the replies.
>> >> OTOH, that still does not explain why 250 computers in eight >> different >> offices were all hitting the same DHCP server. The reason I >> know it to be >> true is that I had different scopes on each of the two servers. >> For example >> 192.168.4.50 through 150 on one server and 192.168.4.151 >> through 250 on the >> other. >> > > It is almost definite that one box will, for various reasons, be > 'faster' in responding, and hence be the machine that is handing out > the leases because the client will except the offer from the first > server that makes said offer. This could be due to network > connectivity, cpu utilization, internal bus speed differences (minor > ones at that!), etc, etc. One machine will always be faster even if it > is a minor bit. > > I am very familiar with exactly such scenarios, and it has always been > my experience that it will still continue to function properly. > If the first server runs out of addresses in it's scope that it can > offer, then he won't offer anymore, but the second one will, and that > range will then begin to get used. > > As far as the 'ip helper-address' issue. If you have numerous (host > specific or not) such 'ip helper-address' statements, a DHCP broadcast > received on an interface will be then sent to each and every one of > them. This definitely works. (hint: ip helper-address is NOT just for > DHCP/BOOTP) > > Good Luck! > Nondisclosure violations to [EMAIL PROTECTED] Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=45078&t=45045 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
