On 01/09/2012 10:41 AM, Jeffrey Ross wrote: > I was in the process of working on a F16 system (upgraded from a F15 > system) and had moved it to a new network temporarily and had adjusted > the /etc/sysconfig/network-scripts/ifcfg-em1 file from the console > prior to shutting down the system so that it would be all set with the > new address, gateway etc when it was restarted. > > upon completion of the work I modified the ifcfg-em1 with the > new/final IP address information prior to the shutdown. I was doing > this across a network (ssh) session and as soon as I saved the file I > lost all connectivity to the machine. I logged into the console and > found no IP address information on the em1 interface, didn't think too > much of it since it needed to be restarted anyway and moved it to it > final network location. > > After it was in place I noticed that I needed to correct the entries > for DNS to point to itself since it is running a nameserver, no other > changes were made to the file except to adjust "DNS1=..." saved the > file and again I loose network connectivity with no IP information on > the em1 interface. > > Question is, what is monitoring this file that causes a loss of > connectivity like this? I am looking to simply have a static entry on > the interface and my simple ifcfg-em1 file is as follows: > > Thanks,Jeff > > DEVICE=em1 > HWADDR=00:E0:81:34:85:C2 > NM_CONTROLLED=no > ONBOOT=yes > TYPE=Ethernet > USERCTL=no > # > BOOTPROTO=none > NETMASK=255.255.255.240 > IPADDR=192.168.10.34 > PREFIX=28 > DOMAIN=domain.org > NAME="System em1" > IPV6INIT=yes > NM_CONTROLLED=no > GATEWAY=192.168.10.33 > DNS1=192.168.10.34 > MTU=1500 > PEERDNS=yes > > You have NM_CONTROLLED=no. So, assuming you are not using Network Manager, have you disabled NetworkManager.service and enabled network.service? -- A common mistake that people make when trying to design something completely foolproof was to underestimate the ingenuity of complete fools. -- Douglas Adams in "Mostly Harmless -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org