On Wed, 2006-09-13 at 14:06 -0400, Alfred von Campe wrote: > I recently reconfigured some CentOS 4.3 systems that were using DHCP > to use static IP addresses. At the same time, the systems were moved > to a new VLAN. Here is the approximate sequence of events that took > place: > > 1. ifdown eth0 > 2. edit /etc/sysconfig/network-scripts/ifcfg-eth0 with static IP > address > 3. wait for network folks to reconfigure switch > 4. ifup eth0 > > I may have reversed steps 1 and 2 on some of the systems. > > The problem was that the dhclient process didn't go away, and kept > renewing the old lease. Our DHCP server is configured to contact the > DNS server and update the entry for each host it serves. So the DNS > entries for these systems were pointing to the old address in the old > VLAN. The eth0 interface itself just kept the static IP address for > which it was configured. It took me a while to figure out what was > going on. > > My question is, what could I have done to avoid this (other than > killing the dhclient process)? Is there a better way to reconfigure > an interface to use a static address? I am not interested in > solutions that involve using a GUI (i.e., only command line solutions). > > Thanks, > Alfred > _______________________________________________ I do: service network restart (or: /etc/init.d/network restart) Not necessarily better, but it should make the dhcp process go away (if the ifcfg file is correctly edited). Thanks, Johnny Hughes
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