Search ifcfg file by case-insensitive address.

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/branches/2.8@15292 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

perl-xCAT/xCAT/zvmUtils.pm

@@ -483,7 +483,7 @@ sub getIfcfgByNic {
         foreach (@parms) {
 
             # If the network file contains the NIC address
-            $out = `ssh -o ConnectTimeout=5 $user\@$node "$sudo cat $_" | grep "$nic"`;
+            $out = `ssh -o ConnectTimeout=5 $user\@$node "$sudo cat $_" | egrep -i "$nic"`;
             if ($out) {
 
                 # Return network file path