
Customizing IP Services
117356-A Rev. A 4-29
Configuring a Multinet Interface
The multinet capability allows you to assign multiple IP network/subnet addresses
to a single circuit; each IP address represents a separate network interface on the
circuit.
Multinet is commonly used in IP networks as part of a transition strategy. As
networks evolve it is sometimes necessary to consolidate several physical
networks. To avoid renumbering, the physical networks can be consolidated onto
a multinetted router interface. This allows hosts to migrate to the new IP interface
or maintain the old IP address.
In F
igure 4-2, for example, Host A and Host C are located on different subnets.
The router will provide connectivity between Hosts A and C by acting as the
default gateway and routing packets.
Figure 4-2. Multinet Configuration
e21
140.250.150.10
e22
140.250.200.10
140.250.250.10
140.250.150.2
140.250.200.56 140.250.250.3
Router
Host
C
Host
A
Host
B
IP0009A
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