This explains it pretty well: http://www.cisco.com/warp/public/104/ospfdb6.html
It's a bit long-winded, but it beats looking at Moi's diagrams! Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=54121&t=54040 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]