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Cyclades-PR1000
Chapter 9 - Routing Protocols 64
10.0.0.0
Mask: 255.0.0.0
Router 1
10.0.0.1
10.0.0.2
10.0.0.3
192.168.100.2
192.168.100.3
192.168.100.1
142.10.0.2
142.10.0.1
142.10.0.3
142.10.0.4
Router 2
142.10.0.0
Mask: 255.255.0.0
192.168.100.0
Mask: 255.255.255.0
A
B
E
C
D
F
Network 2
Network 3
Network 1
FIGURE 9.1 STATIC ROUTING EXAMPLE 1
In the first example, three networks are connected by 2 routers. The routing table for router 1 will automatically
include servers A,B,C, and D, as they are direct links. A static route must be created for access to Network 3.
This type of route, a
Gateway
route, tells the router that any message not intended for hosts A, B, C or D should
be sent to Router 2. Details are given in the parameter table that follows.