Hi All, I am installing 11.2.0.2 grid infrastrcuture on three node rhel 5 machines (x86_64). Root.sh is failing while adding nodeapps and vips. rootcrs logfile clearly showing that rootcrs.pl is not parsing netmask of public interface as it is leaving it blank hence rootcrs.pl is failing. I could not find any known bug or workaround to resolve this. Any pointer to resolve this would be highly appreciated. Here is error stack from rootcrs logfile. 2010-11-03 17:19:08: Invoking "/u02/11.2.0/grid/bin/srvctl add vip -n tulwaurp102 -k 1 -A "tulwaurp102-oravip//bond0" " 2010-11-03 17:19:08: trace file=/u02/11.2.0/grid/cfgtoollogs/crsconfig/srvmcfg0.log 2010-11-03 17:19:08: Executing /u02/11.2.0/grid/bin/srvctl add vip -n tulwaurp102 -k 1 -A "tulwaurp102-oravip//bond0" 2010-11-03 17:19:08: Executing cmd: /u02/11.2.0/grid/bin/srvctl add vip -n tulwaurp102 -k 1 -A "tulwaurp102-oravip//bond0" 2010-11-03 17:19:09: Command output: > PRKC-1024 : Invalid netmask: bond0 >End Command output 2010-11-03 17:19:09: "/u02/11.2.0/grid/bin/srvctl add vip -n tulwaurp102 -k 1 -A "tulwaurp102-oravip//bond0" " failed with status 1. 2010-11-03 17:19:09: add vip -n tulwaurp102 -k 1 -A tulwaurp102-oravip//bond0 on node=tulwaurp102 ... failed -- Harish Kumar Database Consultant