On 04/04/2012 12:18 PM, Jerry Geis wrote: > If a machine with centos 6.2 is set for DHCP and it looses power and the > switch > looses power for a long time. lets say a day. so the switch really goes > off even with batter backup. > > Now power comes on, the machine asks for a DHCP address before the > switch is read > as its not back up yet. there is no response and the machine does not > get an address. > Finally the switch comes back up , the machine has already posted that it > Network got an error as there was no DHCP server. > > Does the machine ever ask again???? or do I have to manually do a server > network restart > or reboot the machine again. > > It seems to never ask again. > > jerry > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos Hi Jerry, I think what you are looking for can be found with: $man dhclient.conf There is a retry option that specifically sets the delay between successive dhcp client broadcasts when a dhcp server can't be found. paul