Because pre-W2K windows didn't automatically try to renew a lease when the ethernet interface comes back up after being down. So...if the old lease hadn't come up for renewal during the time the machine moved from point A to B.....the users don't automatically get connectivity.
Lots of options to teach the helpdesk how to educate users....but since it 'worked before' in Chuck's case it's seen as a (big?) problem(PITA). ""Larry Letterman"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > why is that ? we have segmented avvid network across our campus. The > laptops are all W2K and they work just > fine without any issues on DHCP...The routers are all running hsrp and > work correctly.. > > Chuck's Long Road wrote: > > >I see I should have made this one a "Friday Folly" :-> > > > >In a Big Flat Bridged Network, a mobile user unplugs the laptop at one > >office, drives over to the next office, plugs back in, and no further action > >is required. The Windoze PC has retained it's IP address, and the network > >doesn't care about location, because it is one big flat network. > > > >However, in the brand new ATM based AVVID ready routed network, said mobile > >user is now in a different segment in each location. With Windoze, you have > >to manually intervene. Sometimes you have to release the IP address, reload > >the computer, and then get your new DHCP assignment. Users don't like this. > >After all, now they have to do something, whereas before they did not. Never > >mind the higher speed, the failover capability of the routers, the new 100 > >mbs switches rather than 10mbs. They have to take an extra step or two in > >order to log in. > > > >This is normal behaviour for Windoze machines, and maybe for DHCP clients in > >general. I have had to do this release / renew for years. > > > >But to the customer, who is pretty naive in terms of networking, there is a > >"problem" that was caused by the new routers. To the users, there is a > >problem that never existed before. > > > >Like I said, serves me right. You give a customer a great new network, and > >you break something so rudimentary that it never would have occurred > >otherwise. :-> > > > >-- > > > >www.chuckslongroad.info > >like my web site? > >take the survey! > > > > > > > >""Priscilla Oppenheimer"" wrote in message > >[EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > > >>Spare us the mystery and tell us what you're getting at. :-) Did you > >> > >forget > > > >>to tell the DHCP server to provide the correct default gateway address to > >>the PCs? That's my guess, since you say everything else like helper > >>addresses, etc. is configured correctly. Just a late-night theory, > >> > >waiting > > > >>for Jay Leno to come on..... > >> > >>Thanks, > >> > >>Priscilla > >> > >>Chuck's Long Road wrote: > >> > >>>The AVVID solution I sold a few months ago is gong through > >>>implementation. > >>>This project has been problematic for a lot of reasons, so it > >>>is not unusual > >>>for a round of e-mails from the customer complaining about one > >>>thing or > >>>another. > >>> > >>>Today was a good one, however. Shows to go you have to ask > >>>things you > >>>normally wouldn't think about. > >>> > >>>DHCP - no big deal. Works fine. All of us have probably used it > >>>or > >>>configured it. All of us probably have experience with running > >>>several small > >>>sites off a single DHCP server at a central site. > >>> > >>>So why is the customer complaining about DHCP not working, and > >>>it's because > >>>our routers are screwed up and Microsoft told them that they > >>>would have to > >>>change their network addressing to a single class B rather than > >>>subnets of > >>>/16 space, the way I designed it? > >>> > >>>The routers are configured correctly. The network is designed > >>>correctly - no > >>>overlapping subnets. IP helpering is configured correctly. > >>> > >>>Problem occurs with several users, different NIC's, either > >>>Win2K or WinXP. > >>>No one common factor. Worked just fine before we put the new > >>>routers in. > >>> > >>>Recognizing that Microsoft is full of C**P and their TCP stack > >>>is S**T, > >>>still, why the problem. > >>> > >>>Gee, what happens to DHCP when you go from a single flat > >>>bridged network to > >>>a segmented routed network? Especially to mobile users, who > >>>travel from site > >>>to site for various reasons on a regular basis? > >>> > >>>Serves me right > >>> > >>>Chuck > >>> > >>>-- > >>> > >>>www.chuckslongroad.info > >>>like my web site? > >>>take the survey! > -- > > Larry Letterman > Network Engineer > Cisco Systems Inc. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=54462&t=54402 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
