dn:cn=schema
changetype:modify
add:objectclasses
objectclasses:( 1.3.6.1.4.1.42.2.27.1.2.5 NAME 'nisMailAlias' SUP 'top' MUST ( cn ) MAY ( rfc822mailMember ) )

dn:cn=schema
changetype:modify
add:objectclasses
objectclasses:( 1.3.6.1.4.1.42.2.27.1.2.6 NAME 'nisNetId' SUP 'top' MUST ( cn ) MAY ( nisNetIdUser $ nisNetIdGroup $ nisNetIdHost ) )

dn:cn=schema
changetype:modify
add:objectclasses
objectclasses:( 1.3.6.1.4.1.42.2.27.1.2.4 NAME 'nisSunObject' SUP 'top' MUST ( nisMapname ) MAY ( cn $ nisMapEntry $ sunNisKey $ description ) )

dn:cn=schema
changetype:modify
add:objectclasses
objectclasses:( 1.3.6.1.4.1.42.2.27.1.2.3 NAME 'sunNisMap' SUP 'top' MUST ( sunNisMapFullName $ sunNisDomain $ sunNisMaster $ sunNisSecurityMode $ sunNisMapState ) MAY ( sunNisDbmcache $ sunNisDnsForwarding $ sunNisInputFile $ sunNisOutputName $ sunNisLoadMap $ sunNisLastModified $ seeAlso $ description ) )

dn:cn=schema
changetype:modify
add:objectclasses
objectclasses:( 1.3.6.1.4.1.42.2.27.1.2.2 NAME 'sunNisServer' SUP 'top' MUST ( cn ) MAY ( description $ sunNisLoadMapping ) )