Thanks Alan. Yeah, we do have a maintenance window for this so rebooting is not really a problem except I'm targeting 104 weeks of uptime!!! :-) Guess that'll have to wait another 104 weeks I'll give the 1st 2 ideas a try first and hopefully that fixes their problem. Thanks for the help, you guys have been great!!! Kenneth ""W. Alan Robertson"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Kenneth, > > It sounds to me like a bug... Have you checked the Cisco bug > database? > > Short of that, here's what I'd do: > > First, remove the ip helper-address from the interface, and then add > it again... See what happpens. It's possible that the ip > helper-address function checks the interfaces primary IP address when > the command is added, but has no mechanism to check it again after > being initialized. > > If that doesn't work, I'd remove it again, shut down the interface, > bring the interface back up, and then add the help address again. > > As a last resort, reloading the router should clear the problem, but I > understand your reluctance to do so... 100% uptime is a noble > pursuit, but there's no avoiding maintenance. I don't suppose you > have a maintenance window, do you? > > Hope this helps... > > Alan > > ----- Original Message ----- > From: "Kenneth" > To: > Sent: Thursday, May 31, 2001 9:10 PM > Subject: Repost: GIADDR and Secondary Interface problems - help > [7:6695] > > > > Hi, guys. It's been a while since I've posted something here but I'm > pretty > > stumped with this problem somehow. Anyway, here's my problem: > > > > Remote office subnet: 192.168.5.0 255.255.255.0 > > Plan to change subnet into 192.168.19.0 255.255.255.0 > > Router relaying dhcp requests to 192.168.1.11 (DHCP Server in > Central site) > > Current fa0/0 interface on LAN: 192.168.5.1 255.255.255.0 > > > > I recently configured the interface to have > > 192.168.19.1 as its primary address > > 192.168.5.1 as its secondary address > > > > On the DHCP Server, I've deleted the 192.168.5.0 scope and activated > the > > 192.168.19.0 scope > > > > The reason I have 2 ip addresses on the FastEthernet interface of > the router > > is to allow people who haven't rebooted their computer to still be > able to > > access email and services at the central site and print to their > local LAN > > LPR printers... > > > > The problem I'm having is that once the computers have rebooted, and > I did a > > debug ip dhcp server events, packets, linkage, I keep seeing the > router > > still setting the GIADDR of the request as 192.168.5.1 ... since > it's > > forwarding this information, the DHCP server on the central site > wasn't > > responding because of the non-existence of the 192.168.5.0 scope > > > > Reading Cisco's documentation, I thought the router uses the primary > ip > > address of the interface as its GIADDR? > > > > I have read something about ip dhcp smart-relay but I doubt it > applies to > > this problem... > > > > BTW, this is the way that it should be done and I know a lot of > people hate > > the "secondary" ip address but I'm really trying to make this change > as > > transparent to the users as possible! > > > > Thanks guys! > > > > Kenneth > [EMAIL PROTECTED] Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=6741&t=6741 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

