Thanks, I'm not able to change the parser. Is there a problem to use the comments with the comma like this ? FreeRadius may think that #test is an attribute as it follows a comma ? Switchs NAS-IP-Address == 10.195.132.7 ,# test Can I use it like this ? Or maybe a ";" or "//" will work ? Thomas ********************************************************************** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. **********************************************************************