Cyclades PR1000 - Manual (Page 68)

Cyclades-PR1000
Chapter 9 - Routing Protocols 68
OSPF
The OSPF (Open Shortest Path First) routing protocol is significantly more complicated than RIP. The determination
of which protocol is better suited to a given network is beyond the scope of this manual. An example network
using OSPF is given in Figure 9.3.
Router 0
Router 1
Router 2
Router 3
AREA 1
AREA 0
(Backbone)
AREA 2
AREA 3
Router 4
Router 5
Virtual
Link
Link 1
To Another
Autonomous System
Router 6
Area Border
Routers:
R3, R6, R8
AS Boundary
Router: R5
Router 7
Router 8
Router 9
AN AUTONOMOUS SYSTEM
FIGURE 9.3 OSPF EXAMPLE