dn: cn=ng,cn=compat,dc=example,dc=com
objectClass: extensibleObject
cn: ng

dn: cn=ng1,cn=ng,cn=compat,dc=example,dc=com
objectClass: nisNetgroup
objectClass: top
nisNetgroupTriple: (external.example.com,tuser1,example.com)
nisNetgroupTriple: (-,tuser2,example.com)
nisNetgroupTriple: (external.example.com,-,example.com)
cn: ng1