diff --git a/perl-xCAT/xCAT/NodeRange.pm b/perl-xCAT/xCAT/NodeRange.pm
index 1a34b912b..f03a47518 100644
--- a/perl-xCAT/xCAT/NodeRange.pm
+++ b/perl-xCAT/xCAT/NodeRange.pm
@@ -149,7 +149,7 @@ sub nodesbycriteria {
 	 }
 	 if ($neednewcache) {
 	   if ($nodelist) { 
-	     $nodelist->_clear_cache(); 
+	     #$nodelist->_clear_cache(); 
 	     $nodelist->_build_cache(\@cachedcolumns);
 	   }
 	  }
diff --git a/xCAT/postscripts/confignics b/xCAT/postscripts/confignics
index 0b2d607dd..79f88d867 100755
--- a/xCAT/postscripts/confignics
+++ b/xCAT/postscripts/confignics
@@ -282,7 +282,7 @@ do
     else
         if [ `echo $key | grep -E '(eth|en)[0-9]+'` ];then
             str_nic_type="ethernet"
-        elif [ `echo $KEY | grep -E 'ib[0-9]+'` ];then
+        elif [ `echo $key | grep -E 'ib[0-9]+'` ];then
             str_nic_type="infiniband"
         else
             logger -t xcat -p local4.info "confignics: unknown nic type for $key: $str_value ."