diff --git a/perl-xCAT/xCAT/Schema.pm b/perl-xCAT/xCAT/Schema.pm
index 2d43643b1..d2d5ba332 100644
--- a/perl-xCAT/xCAT/Schema.pm
+++ b/perl-xCAT/xCAT/Schema.pm
@@ -1444,6 +1444,14 @@ push(@{$defspec{node}->{'attrs'}}, @nodeattrs);
                  tabentry => 'nodegroup.wherevals',
                  access_tabentry => 'nodegroup.groupname=attr:groupname',
                  },
+ {attr_name => 'ip',
+                 tabentry => 'hosts.ip',
+                 access_tabentry => 'hosts.node=attr:node',
+                },
+ {attr_name => 'hostnames',
+                 tabentry => 'hosts.hostnames',
+                 access_tabentry => 'hosts.node=attr:node',
+                },
  {attr_name => 'usercomment',
                  tabentry => 'nodegroup.comments',
                  access_tabentry => 'nodegroup.groupname=attr:groupname',