Dell Force10 S4820T S4820T Configuration Guide - Page 690

www.dell.com | support.dell.com Figure 33-2gives some examples of the different router designations. Figure 33-2. OSPF Routing Examples Router E Router F Interior Router Router M Interior Router Router K Router L Router D Not So Stubby Area Area 100 Router B Backbone Router Router C Stub Area Area 200 Router G Backbone Area Area 0 Router H Area Border Router Router A Router I Interior Router OSPF AS 9999 Interior Router Router J Area 300 Autonomous System Boundary Router Router K Autonomous System Boundary Router Router 8000 Router 82 Router 81 Interior Router OSPF AS 8888 Backbone Router (BR) A Backbone Router (BR) is part of the OSPF Backbone, Area 0. This includes all Area Border Routers (ABRs). It can also include any routers that connect only to the Backbone and another ABR, but are only part of Area 0, such as Router I in Figure 33-2 above. 690 | Open Shortest Path First (OSPFv2)